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1 Traffic Measurement
DN9813827Issue 11 en25/03/2008
# Nokia Siemens Networks 1 (339)
BSC3153Nokia GSM/EDGE BSS, Rel. BSS13, BSC andTCSM, Rel. S13, Product Documentation, v.1
The information in this document is subject to change without notice and describes only theproduct defined in the introduction of this documentation. This documentation is intended for theuse of Nokia Siemens Networks customers only for the purposes of the agreement under whichthe document is submitted, and no part of it may be used, reproduced, modified or transmitted inany form or means without the prior written permission of Nokia Siemens Networks. Thedocumentation has been prepared to be used by professional and properly trained personnel,and the customer assumes full responsibility when using it. Nokia Siemens Networks welcomescustomer comments as part of the process of continuous development and improvement of thedocumentation.
The information or statements given in this documentation concerning the suitability, capacity, orperformance of the mentioned hardware or software products are given “as is” and all liabilityarising in connection with such hardware or software products shall be defined conclusively andfinally in a separate agreement between Nokia Siemens Networks and the customer. However,Nokia Siemens Networks has made all reasonable efforts to ensure that the instructionscontained in the document are adequate and free of material errors and omissions. NokiaSiemens Networks will, if deemed necessary by Nokia Siemens Networks, explain issues whichmay not be covered by the document.
Nokia Siemens Networks will correct errors in this documentation as soon as possible. IN NOEVENT WILL NOKIA SIEMENS NETWORKS BE LIABLE FOR ERRORS IN THISDOCUMENTATION OR FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO SPECIAL,DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL OR ANY LOSSES, SUCH AS BUTNOT LIMITED TO LOSS OF PROFIT, REVENUE, BUSINESS INTERRUPTION, BUSINESSOPPORTUNITY OR DATA, THAT MAYARISE FROM THE USE OF THIS DOCUMENT OR THEINFORMATION IN IT.
This documentation and the product it describes are considered protected by copyrights andother intellectual property rights according to the applicable laws.
The wave logo is a trademark of Nokia Siemens Networks Oy. Nokia is a registered trademark ofNokia Corporation. Siemens is a registered trademark of Siemens AG.
Other product names mentioned in this document may be trademarks of their respective owners,and they are mentioned for identification purposes only.
Copyright © Nokia Siemens Networks 2008. All rights reserved.
2 (339) # Nokia Siemens Networks DN9813827Issue 11 en25/03/2008
1 Traffic Measurement
Contents
Contents 3
List of tables 9
List of figures 10
Summary of changes 15
1 1 Traffic Measurement 17
2 Counters of Traffic Measurement 312.1 001000 / SEIZURE ATTEMPTS 312.2 001001 / SEIZURE ATTEMPTS WITH BUSY SDCCH 322.3 001002 / TRANSACTIONS FAIL DUE TO BSS FAIL 322.4 001003 / TRANSACTIONS FAIL DUE TO RADIO FAIL 332.5 001004 / TRANSACTIONS FAIL DUE RADIO ON SOURCE CHANNEL
DURING HO 342.6 001005 / TRANSACTIONS FAIL DUE RADIO ON TARGET
CHANNEL 352.7 001006 / SUCCESS SEIZURE FOR HO 362.8 001007 / SUCCESS SEIZURE FOR IMMEDIATE ASSIGNMENT 372.9 001008 / SUCCESS TCH SEIZURE FOR HO 372.10 001009 / SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT 382.11 001010 / TCH REQUEST SUCCESS AND UNSUCCESS 392.12 001011 / TCH REQUEST REJECTED DUE TO LACK 402.13 001012 / TRANSACTIONS ENDED DUE TO BSS PROBLEM 412.14 001013 / TRANSACTIONS ENDED DUE RADIO FAIL 422.15 001014 / TRANSACTIONS ENDED DUE SOURCE CHANNEL FAIL
DURING HO 432.16 001015 / TRANSACTIONS ENDED DUE TARGET CHANNEL FAIL 442.17 001016 / CALL ATTEMPTS IN THE QUEUE 452.18 001017 / HANDOVER ATTEMPTS IN THE QUEUE 452.19 001018 / AVE QUEUE LENGTH FOR CHANNEL SEIZURE
REQUEST 462.20 001019 / QUEUE DENOMINATOR 1 472.21 001020 / AVE QUEUE TIME OF CALL ATTEMPTS 482.22 001021 / QUEUE DENOMINATOR 2 492.23 001022 / AVE QUEUE TIME OF HO ATTEMPTS 492.24 001023 / QUEUE DENOMINATOR 3 502.25 001024 / NOT SERVED QUEUED CALL ATTEMPTS 512.26 001025 / NOT SERVED QUEUED HO ATTEMPTS 522.27 001026 / TCH CALL REQ 532.28 001027 / SDCCH ACT FAIL 542.29 001028 / TCH ACT FAIL 552.30 001029 / TCH TR FAIL 562.31 001030 / TCH TR FAIL SOURCE 562.32 001031 / TCH TR FAIL TARGET 572.33 001032 / NOT RELEVANT 58
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Contents
2.34 001033 / SDCCH ABIS PROBL 592.35 001034 / SDCCH A IF PROBL 602.36 001035 / SDCCH LAPD FAIL 602.37 001036 / SDCCH BTS FAIL 612.38 001037 / SDCCH USER ACT 622.39 001038 / SDCCH BCSU RESET 632.40 001039 / SDCCH NETW ACT 632.41 001040 / TRUNK RES INVOC 642.42 001041 / SUCC TRUNK RES INVOC 652.43 001042 / TRUNK RES INVOC RES REFUSED 662.44 001043 / TCH REQ FACCH CALLSET 662.45 001044 / TCH SEIZ FACCH CALL SET 672.46 001045 / TCH ABIS PROBL 682.47 001046 / TCH LAPD FAIL 692.48 001047 / TCH BTS FAIL 702.49 001048 / TCH USER ACT 712.50 001049 / TCH BCSU RESET 712.51 001050 / TCH NETW ACT 722.52 001051 / TCH A IF PROBL 732.53 001052 / TRHO REQ 742.54 001053 / TRHO ENQUIRIES 742.55 001054 / FOR REL ASSIGN REQ ATT 752.56 001055 / FOR HO ASSIGN REQ ATT 762.57 001056 / QUE ALL ASSIGN REQ ATT 772.58 001057 / QUE NALL ASSIGN REQ ATT 782.59 001058 / FOR REL ASSIGN REQ FAIL 792.60 001059 / FOR HO ASSIGN REQ FAIL 802.61 001060 / QUE ALL ASSIGN REQ FAIL 812.62 001061 / QUE NALL ASSIGN REQ FAIL 812.63 001062 / FOR REL HO REQ ATT 822.64 001063 / FOR HO HO REQ ATT 832.65 001064 / QUE ALL HO REQ ATT 842.66 001065 / QUE NALL HO REQ ATT 852.67 001066 / FOR REL HO REQ FAIL 862.68 001067 / FOR HO HO REQ FAIL 872.69 001068 / QUE ALL HO REQ FAIL 882.70 001069 / QUE NALL HO REQ FAIL 882.71 001070 / FORCED RELEASES 892.72 001071 / FORCED HANDOVERS 902.73 001072 / SDCCH ACT FAIL CALL 912.74 001073 / NOT RELEVANT 922.75 001074 / SDCCH ACT FAIL TARGET 922.76 001075 / SDCCH ABIS FAIL CALL 932.77 001076 / SDCCH ABIS FAIL SOURCE 942.78 001077 / SDCCH ABIS FAIL TARGET 952.79 001078 / SDCCH A IF FAIL CALL 962.80 001079 / SDCCH A IF FAIL SOURCE 972.81 001080 / SDCCH A IF FAIL TARGET 972.82 001081 / TCH ACT FAIL CALL 982.83 001082 / NOT RELEVANT 992.84 001083 / TCH ACT FAIL TARGET 1002.85 001084 / TCH ABIS FAIL CALL 101
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2.86 001085 / TCH ABIS FAIL SOURCE 1022.87 001086 / TCH ABIS FAIL NEW 1022.88 001087 / TCH A IF FAIL CALL 1032.89 001088 / TCH A IF FAIL SOURCE 1042.90 001089 / TCH A IF FAIL NEW 1052.91 001090 / TCH REQ UND OVER 1062.92 001091 / TCH SEIZ UND OVER 1072.93 001092 / TCH REJ REQ UND OVE 1072.94 001093 / SUCC MOC TEST CALL 1082.95 001094 / FAIL MOC TEST CALL 1092.96 001095 / PRI SUBSCR TCH REQ 1102.97 001096 / PRI SUBSCR SUCC TCH SEIZ 1112.98 001097 / NO PRI SUBSCR REFUSED TCH REQ 1112.99 001098 / TCH SEIZ ATT DUE SDCCH CON 1122.100 001099 / TCH SEIZ DUE SDCCH CON 1132.101 001100 / TRUNK TCH REJECTED FR REQ 1142.102 001101 / TRUNK TCH REJECTED HR REQ 1152.103 001102 / FULL TCH REQ SUCC UNSUCC 1162.104 001103 / HALF TCH REQ SUCC UNSUCC 1172.105 001104 / TCH REQ FULL PREFERRED 1182.106 001105 / TCH REQ HALF PREFERRED 1202.107 001106 / SUCC FULL TCH SEIZ 1212.108 001107 / SUCC HALF TCH SEIZ 1222.109 001108 / FULL TCH SEIZ SPEECH VER 1 1232.110 001109 / FULL TCH SEIZ SPEECH VER 2 1242.111 001110 / FULL TCH SEIZ SPEECH VER 3 1252.112 001111 / HALF TCH SEIZ SPEECH VER 1 1262.113 001112 / HALF TCH SEIZ SPEECH VER 2 1272.114 001113 / HALF TCH SEIZ SPEECH VER 3 1282.115 001114 / FULL TCH SEIZ NORM ASSIGNMENT 1292.116 001115 / HALF TCH SEIZ NORM ASSIGNMENT 1292.117 001116 / FULL TCH SEIZ INT HO CH RATE 1302.118 001117 / HALF TCH SEIZ INT HO CH RATE 1312.119 001118 / REJ TCH REQ DUE LACK FR 1322.120 001119 / REJ TCH REQ DUE LACK HR 1332.121 001120 / FULL TCH REJ DUE HR TRAF 1342.122 001121 / HALF TCH REJ DUE FR TRAF 1352.123 001122 / TCH REJ DUE REQ CH A IF CRC 1362.124 001123 / FULL TCH REQ FACCH CALL 1372.125 001124 / TCH FACCH CALL CH RATE NOT DEF 1382.126 001125 / SUCC FULL TCH SEIZ FACCH CALL 1392.127 001126 / SUCC HALF TCH SEIZ FACCH CALL 1402.128 001127 / ENDED DUE TRANSC FR RATE 1 1412.129 001128 / ENDED DUE TRANSC FR RATE 2 1412.130 001129 / ENDED DUE TRANSC FR RATE 3 1422.131 001130 / ENDED DUE TRANSC HR RATE 1 1432.132 001131 / ENDED DUE TRANSC HR RATE 2 1442.133 001132 / ENDED DUE TRANSC HR RATE 3 1452.134 001133 / FULL TCH TR FAIL 1452.135 001134 / HALF TCH TR FAIL 1462.136 001135 / SDCCH SEIZ ATT FOR MOC 1472.137 001136 / SDCCH SEIZ ATT FOR MTC 148
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Contents
2.138 001137 / TCH SEIZ ATT FOR MOC 1492.139 001138 / TCH SEIZ ATT FOR MTC 1512.140 001139 / TCH REL BECAUSE OF RADIO FAIL 1522.141 001140 / TCH REL DUE TO BSS FAIL 1522.142 001141 / TCH SEIZ FAILS DUE TO CONG 1532.143 001142 / QUEUED URGENT HANDOVER ATTEMPTS 1542.144 001143 / AVE QUE TIME OF URGENT HO ATTEMPTS 1552.145 001144 / QUE DENOMINATOR 4 1562.146 001145 / AVE QUE TIME OF NON URGENT HO ATTEMPTS 1572.147 001146 / QUE DENOMINATOR 5 1582.148 001147 / QUEUED URG HO ATTS NOT SERVED 1592.149 001148 / MS SUCC TCH SEIZURE FOR ASSIGNMENT
COMPLETE 1602.150 001149 / CALLS ENDED BY USER DURING DADL/B SETUP 1612.151 001150 / SUCC TCH SEIZ WHEN GOOD QUAL IN ADJACENTS 1622.152 001151 / TCH REQ REJ DUE TO BAD QUALITY IN ADJACENT 1632.153 001152 / SUCC TCH SEIZ WHEN QUAL BETW GOOD AND BAD IN
ADJACENT 1632.154 001153 / TCH REQ REJ WHEN QUAL BETW GOOD AND BAD IN
ADJACENT 1642.155 001154 / DYNAMIC SDCCH RECONFIGURATION ATTEMPT 1652.156 001155 / UNSUCC IMM ASS SDCCH ATTEMPT 1662.157 001156 / HSCSD TCH REQ WITH 14,4 1672.158 001157 / HSCSD SUCC TCH SEIZ WITH 14,4 1682.159 001158 / HSCSD TRANSP TCH REQ 1682.160 001159 / HSCSD SUCC TRANSP TCH SEIZ 1692.161 001160 / HSCSD REQ FOR CALL SETUP 1702.162 001161 / HSCSD TCH REQ FOR HO 1712.163 001162 / HSCSD SUCC TCH SEIZ FOR CALL SETUP 1722.164 001163 / HSCSD SUCC TCH SEIZ FOR HO 1732.165 001164 / HSCSD CON REL DUE TO FAIL 1742.166 001165 / SUCCESS TCH SEIZURE FOR DIRECT ACCESS 1742.167 001166 / TCH REQUEST FOR DIRECT ACCESS REJECTED DUE TO
LACK 1752.168 001167 / TCH REQUEST FOR A BSC CONTROLLED TRHO
PROCEDURE 1762.169 001168 / SUCC TCH SEIZ FOR A BSC CONTROLLED TRHO 1772.170 001169 / REJ TCH SEIZ FOR A BSC CONTROLLED TRHO DUE LACK
OF RESOURCES 1782.171 001170 / SUCCESSFUL TCH SEIZURES FOR DADLB HO 1792.172 001171 / TCH REQUEST IN DADLB HO REJECTED 1802.173 001172 / DADLB START DUE TO EXCEEDED LOAD 1802.174 001173 / REMOVAL FROM QUE DUE TO DR 1812.175 001174 / GPRS TER UPGRD REQ 1822.176 001175 / INCOMPL SERV GPRS TER UPGR REQ 1832.177 001176 / GPRS TER UG REJ DUE CSW TR 1842.178 001177 / GPRS TER UG REJ DUE LACK PSW RES 1842.179 001178 / GPRS TER UG REJ DUE LACK PCU CAP 1852.180 001179 / GPRS TER DG DUE INC IN CSW TR 1862.181 001180 / GPRS TER UG DUE DEC CSW TR 1872.182 001181 / GPRS TER DOWNGRADE REQ 1882.183 001182 / FULL TCH SEIZ INTRA AMR HO 188
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2.184 001183 / HALF TCH SEIZ INTRA AMR HO 1892.185 001184 / TCH CALL REQ FOR AMR 1902.186 001185 / SUCCESSFUL AMR CODEC SET DOWNGRADES 1912.187 001186 / UNSUCCESSFUL AMR CODEC SET DOWNGRADES 1922.188 001187 / SUCCESSFUL AMR CODEC SET UPGRADES 1932.189 001188 / UNSUCCESSFUL AMR CODEC SET UPGRADES 1942.190 001189 / TCH REQ FOR 96 DAT CALL 1952.191 001190 / SUCC TCH SEIZ FOR 96 DAT CALL 1952.192 001191 / SPARE001191 1962.193 001192 / TCH REQUESTS FOR CALL ATTEMPT 1972.194 001193 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT 1972.195 001194 / TCH ACCESS REJECTED DUE LOW RX 1982.196 001195 / MSC O HO CMD 1992.197 001196 / BSC O HO CMD 2002.198 001197 / BTS HO ASSGN 2002.199 001198 / TCH REL DUE TO RADIO FAIL PH 9-11 2012.200 001199 / TCH REL DUE TO BSS FAIL PH 2-3 2022.201 001200 / TCH REL DUE TO BSS FAIL PH 9-11 2032.202 001201 / SDCCH FAIL PH 3 2032.203 001202 / DROP AFTER TCH ASSIGN 2042.204 001203 / ERROR IND DURING LU 2052.205 001204 / DROP TCH ASSCOMPL TO RFCH REL 2062.206 001205 / TCH REL DUE RAD FAIL PH 2-3 2082.207 001206 / TCH REL DUE RAD FAIL PH 12-14 2092.208 001207 / TCH REL DUE BSS FAIL PH 12-14 2092.209 001208 / A IF CRC MISMATCH CALL SETUP 2102.210 001209 / GPRS TER DG REJ DUE STREAMING 2112.211 001210 / GPRS TER DG REQ WHEN EQOS ON 2122.212 001211 / TCH REL BSC BSC CONFLICT CALL 2122.213 001212 / TCH REL BSC BSC CONFLICT TARG 2132.214 001213 / GPRS TER UG REQ FROM CSW 2142.215 001214 / GPRS TER UG FROM CSW PARTIAL 2152.216 001215 / GPRS TER UG FROM CSW FAILED 2162.217 001216 / TCH REQ REJ DUE TO LACK OF RES PER BCSU 2162.218 001217 / INTERNAL TO EXTERNAL HO 2172.219 001218 / NOT CHANGED INTERNAL HO 2182.220 001219 / SPARE001219 2192.221 001220 / SPARE001220 2202.222 001221 / SPARE001221 2202.223 001222 / SPARE001222 2212.224 001223 / SPARE001223 2222.225 001224 / SPARE001224 2222.226 001225 / SPARE001225 2232.227 001226 / SPARE001226 2242.228 001227 / SPARE001227 2242.229 001228 / SPARE001228 2252.230 001229 / SPARE001229 2262.231 001230 / SPARE001230 2262.232 001231 / SDCCH LU ATTEMPTS 2272.233 001232 / SDCCH LU ATTEMPTS FAIL 2282.234 001233 / DROPS AFTER DTM CS TCH ASSIGNMENT 2292.235 001234 / DTM CS TCH DROPS BETWEEN ASSCOMPL AND RFCH REL
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Contents
ACK 2292.236 001235 / FORCED RELEASE AFTER FORCED HO 2302.237 001236 / CLASS 2 SUBSCRIBER FORCED RELEASE 2312.238 001237 / TCH REQUESTS FOR CALL ATTEMPT CLASS 1 2322.239 001238 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT CLASS
1 2332.240 001239 / TCH REQUESTS FOR CALL ATTEMPT CLASS 2 2342.241 001240 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT CLASS
2 2342.242 001241 / TCH REQUESTS FOR CALL ATTEMPT CLASS 3 2352.243 001242 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT CLASS
3 2362.244 001243 / DR TRAU DOWNGRADE ATTEMPTED IN AMR HO 2372.245 001244 / DR TRAU DOWNGRADE ATTEMPT FAILED 2382.246 001245 / DR TRAU UPGRADE ATTEMPTED IN AMR HO 2392.247 001246 / DR TRAU UPGRADE ATTEMPT FAILED 2392.248 001247 / SEIZURE IN AMR FR TO HR HO 2402.249 001248 / SEIZURE IN AMR HR TO FR HO 2412.250 001249 / INTERNAL AMR HO TO EXTERNAL 2422.251 001250 / SUCCESSFUL LRTCH SEIZURES 242
3 Signalling charts of Traffic Measurement 245
4 Signalling charts of Dual Transfer Mode 317
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List of tables
Table 1. Measurement description of Traffic Measurement 17
Table 2. SDCCH attempts counters 17
Table 3. SDCCH success counters 18
Table 4. SDCCH failure counters 18
Table 5. TCH requests and attempts counters 19
Table 6. TCH success counters 21
Table 7. TCH failure counters 22
Table 8. Other counters 25
Table 9. GPRS counters 26
Table 10. Spare counters 27
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List of tables
List of figures
Figure 1. Basic call without counters 246
Figure 2. Basic call with counters 247
Figure 3. Basic call with priority subscriber 248
Figure 4. FACCH call setup due to SDCCH congestion without counters 249
Figure 5. FACCH call setup due to SDCCH congestion with counters 250
Figure 6. FACCH call setup due to SDCCH congestion, no free TCH channel.Optional software directed retry is not activated 251
Figure 7. Normal release 252
Figure 8. Basic call, no free TCH and queuing or directed retry is not allowed 253
Figure 9. Successful TCH queuing 254
Figure 10. Basic call, no free TCHs, unsuccessful queuing and directed retry notactivated 255
Figure 11. TCH assignment failure with cause switch_circuit_pool, queuing anddirected retry not allowed 256
Figure 12. Unsuccessful TCH activation 257
Figure 13. Unsuccessful TCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message 258
Figure 14. TCH assignment failure 259
Figure 15. TCH assignment failure, MSC sends CLEAR_COMMAND message 260
Figure 16. CONNECTION_FAILURE message with cause transcoder_failure duringa call 261
Figure 17. TRX or TSL is blocked with different causes during a call 262
Figure 18. SDCCH congestion, FACCH call setup is not activated 263
Figure 19. Unsuccessful SDCCH activation 264
Figure 20. Unsuccessful SDCCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message 265
Figure 21. Connection failure during SDCCH assignment 266
Figure 22. SDCCH assignment failure 267
Figure 23. Unsuccessful SDCCH activation, timer expires while waiting forPHYSICAL_CONTEXT_CONFIRM message 268
Figure 24. TRX/TSL is blocked with different causes during an SDCCH channel
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activation 269
Figure 25. Successful trunk reservation. Counters updated: 001040, 001041 andbasic call counters, see Figure 2. 270
Figure 26. Unsuccessful trunk reservation 271
Figure 27. Successful internal intra-cell handover. Counters 001090 and 001091 areupdated only with underlay overlay handover. 272
Figure 28. Internal intra-cell HO, successful TCH queuing 273
Figure 29. Unsuccessful internal intra-cell handover, timer expires while waiting forCHANNEL_ACTIVATION_ACK message 275
Figure 30. Unsuccessful internal intra-cell handover, CONNECTION_FAILUREmessage with cause remote_transcoder_failure comes to the targetchannel 276
Figure 31. Unsuccessful internal intra-cell handover, timer expires on the sourcechannel, call cleared 277
Figure 32. Unsuccessful underlay overlay internal intra-cell handover, queuing notallowed 278
Figure 33. Internal intra-cell handover, unsuccessful TCH queuing 279
Figure 34. Internal directed retry 281
Figure 35. Successful internal inter-cell handover 282
Figure 36. Unsuccessful internal inter-cell handover 283
Figure 37. Successful external handover, target 284
Figure 38. Successful external handover, source 285
Figure 39. Unsuccessful external handover, source BSC, timer expires while waitingfor CLEAR_COMMAND message 286
Figure 40. Unsuccessful external handover, MS sends a handover failure 287
Figure 41. Successful traffic reason handover, source 288
Figure 42. Successful SDCCH internal intra-cell handover 289
Figure 43. Unsuccessful SDCCH internal intra-cell handover, timer expires whilewaiting for CHANNEL_ACTIVATION_ACK message 290
Figure 44. Unsuccessful SDCCH internal intra-cell handover, unsuccessful channelactivation 291
Figure 45. Unsuccessful SDCCH internal intra-cell handover,CONNECTION_FAILURE message comes to the target channel duringhandover 292
Figure 46. Successful SDCCH internal inter-cell handover 293
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List of figures
Figure 47. Unsuccessful SDCCH internal inter-cell handover, BTS sendsCONNECTION_FAILURE message 294
Figure 48. Successful SDCCH external handover target 295
Figure 49. Successful SDCCH external handover source. No countersupdating. 295
Figure 50. Unsuccessful SDCCH external handover, timer expires while waiting forCLEAR_COMMAND message 296
Figure 51. Successful forced release 297
Figure 52. Unsuccessful forced release 298
Figure 53. Unsuccessful forced release with external handover 299
Figure 54. Successful forced handover 300
Figure 55. Unsuccessful forced handover 301
Figure 56. Unsuccessful forced handover with external handover 302
Figure 57. Reconfiguration from TCH to SDCCH 303
Figure 58. Normal call 304
Figure 59. Mobile originated HSCSD call setup 305
Figure 60. Successful internal inter-cell handover for HSCSD, target cell allocationsand activations for three channels 306
Figure 61. A CONNECTION_FAILURE message which comes during anHSCSD 307
Figure 62. Internal intra-cell direct access from a regular DCCH to the super-reuseTRX. Optional software direct access to super-reuse TRX in IUOactivated. 308
Figure 63. Unsuccessful internal intra-cell direct access from regular DCCH to thesuper-reuse TRX due to lack of resources. Optional software directaccess to super-reuse TRX in IUO activated. 309
Figure 64. Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage 310
Figure 65. Average counter updating 311
Figure 66. Successful handover due to DADL/B 311
Figure 67. Unsuccessful DADL/B handover due to lack of resources 312
Figure 68. Successful BSC controlled TRHO 312
Figure 69. Unsuccessful BSC controlled TRHO 313
Figure 70. Dropped call between ASSIGNMENT COMPLETE and
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DISCONNECT 314
Figure 71. Dropped call between ASSIGNMENT COMPLETE and RF CHANNELRELEASE ACK 315
Figure 72. MO DTM call establishment 318
Figure 73. MT DTM call establishment 319
Figure 74. DTM call reallocation; too high CS connection interference 320
Figure 75. DTM call reallocation; inadequate PS connection quality 321
Figure 76. DTM call; internal inter-cell handover; CS connection power budget 322
Figure 77. DTM call; internal inter-cell handover; lack of resources in the PSterritory 323
Figure 78. DTM call; external handover, source BSC 324
Figure 79. DTM call; external handover, target BSC 325
Figure 80. DTM call release initiated by the MS 326
Figure 81. DTM call release; packet data transfer end 327
Figure 82. DTM REQUEST rejected when IMSI data not available 328
Figure 83. Unsuccessful MO DTM; activation of a CS TCH in the PS territory fails,timer expires while waiting for CHANNEL ACTIVATION ACK 329
Figure 84. Unsuccessful MT DTM; activation of a CS TCH in the PS territory fails,timer expires while waiting for CHANNEL ACTIVATION ACK 330
Figure 85. Unsuccessful MT DTM; DTM ASSIGNMENT FAILURE received 331
Figure 86. Timer T3107 expires while waiting for ASSIGNMENT COMPLETE 332
Figure 87. DTM call reallocation failure; DTM ASSIGNMENT FAILURE received 333
Figure 88. DTM CS connection drops after ASSIGNMENT COMPLETE;CONNECTION FAILURE received 334
Figure 89. DTM CS connection drops after ASSIGNMENT COMPLETE; RELEASEINDICATION not received 335
Figure 90. Unsuccessful DTM call reallocation; timer T3107 expires while waiting forASSIGNMENT COMPLETE 336
Figure 91. DTM TBF assignment failure; UL RLC block not received 337
Figure 92. DTM-capable MS paging 338
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List of figures
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Summary of changes
Changes between document issues are cumulative. Therefore, the latestdocument issue contains all changes made to previous issues.
Changes made between issues 11-0 and 10-0
New counters 001235 - 001242 related to BSS20869: Market ExpansionToolkit added.
New counters 001243 - 001249 related to BSS20588: TRAU Bicasting inAMR FR/HR Handover added.
New counter 001250 related to BSS21274: Long Reach TSL (Flexi EDGEBTS) added.
Object level information updated in chapter 1.
Counter table format changed.
The signalling chart 'TCH assignment failure, MSC sendsCLEAR_COMMAND message' updated.
Signalling charts of Dual Transfer Mode updated. For detailed informationon the updates, see Summary of changes in 106 CS DTM Measurement.
Changes made between issues 10-0 and 9-1
New counters 001231 – 001234 added. Spare counters 001192, 001193,001217 and 001218 changed to real counters. Counters 001184, 001196,001198, 001199, and 001204 – 001207 modified.
Counters 001150 – 001153 changed to be no longer in use and signallingchart 66 removed because Dynamic Hot Spot is no longer supported.
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Summary of changes
Counters 001209 and 001210 changed to be not in use becauseEnhanced Quality of Service is not supported in S12. Enhanced Quality ofService will be available in S13.
New signalling charts 70 and 71 added, and signalling charts 13, 15, 16,17, 27, 29, 34, 35, 38, 42, 46, and 64 updated in Chapter 3.
Signalling charts of Dual Transfer Mode,which contains some signallingcharts related to counters 001233 and 001234, has been added.
Editorial changes made.
Changes made between issues 9-1 and 9-0
Spare counter 001216 taken into use.
Signalling charts of Traffic Measurement counters 1086 and 1089 havebeen updated. Counter names of 1086 and 1089 have been updated.
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1 1 Traffic Measurement
The BSC traffic measurement registers information related to the standalone dedicated control channel (SDCCH) and traffic channels (TCH). TheBSC traffic measurement counters are divided into seven different classes.There are counters regarding the number of attempts to seize TCHs andSDCCHs, successful calls, lengths of the queue, and the reasons forfailures. This measurement collects one set of results for each BTS.Signalling charts are drawn with the accuracy of message interface.
Measurement description
Table 1. Measurement description of Traffic Measurement
Measurement
Measurement ID
Measurement abbreviation
Traffic Measurement
1
TRAFFIC
Product BSC
Product software release S1
Target name BTS
Measurement counters
. SDCCH attempts counters
Table 2. SDCCH attempts counters
Counter Counter number
Seizure attempts 001000
SDCCH seizure attempts for MOC 001135
SDCCH seizure attempts for MTC 001136
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Table 2. SDCCH attempts counters (cont.)
Counter Counter number
Dynamic SDCCH reconfiguration attempt 001154
SDCCH LU attempts 001231
. SDCCH success counters
Table 3. SDCCH success counters
Counter Counter number
Success seizure for HO 001006
Success seizure for immediate assignment 001007
. SDCCH failure counters
Table 4. SDCCH failure counters
Counter Counter number
Seizure attempts with busy SDCCH 001001
Transactions failed due to BSS failure 001002
Transactions failed due to radio failure 001003
Transact. failed due radio on source channel duringHO
001004
Transact. failed due radio on target channel duringHO
001005
SDCCH activation failure 001027
SDCCH Abis problems 001033
SDCCH A interface problems 001034
SDCCH LAPD failure 001035
SDCCH BTS failure 001036
SDCCH user actions 001037
SDCCH BCSU reset 001038
SDCCH network actions 001039
SDCCH activation failure call 001072
SDCCH activation failure target 001074
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Table 4. SDCCH failure counters (cont.)
Counter Counter number
SDCCH Abis failure call 001075
SDCCH Abis failure source 001076
SDCCH Abis failure target 001077
SDCCH A interface failure call 001078
SDCCH A interface failure source 001079
SDCCH A interface failure target 001080
Unsuccess immediate assignment SDCCH attempt 001155
SDCCH failures in phase 3 001201
Error indication messages during Location Update 001203
SDCCH LU attempts fail 001232
. TCH requests and attempts counters
Table 5. TCH requests and attempts counters
Counter Counter number
TCH request success and unsuccess 001010
Call attempts in the queue 001016
Handover attempts in the queue 001017
TCH call request 001026
Trunk reservation invocations 001040
TCH requests FACCH call setup 001043
Traffic reason HO requests 001052
Traffic reason HO enquiries 001053
Forced release assign request attempts 001054
Forced HO assign request attempts 001055
Queuing allowed assign request attempts 001056
Queuing not allowed assign request attempts 001057
Forced release HO request attempts 001062
Forced HO HO request attempts 001063
Queuing allowed HO request attempts 001064
Queuing not allowed HO request attempts 001065
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Table 5. TCH requests and attempts counters (cont.)
Counter Counter number
TCH requests underlay overlay 001090
TCH seizure underlay overlay 001091
Priority subscriber TCH requests 001095
TCH seizure attempt due SDCCH congestion 001098
Full TCH requests success unsuccess 001102
Half TCH requests success unsuccess 001103
TCH requests full preferred 001104
TCH requests half preferred 001105
Full TCH requests FACCH call 001123
TCH FACCH call channel rate not defined 001124
TCH seizure attempts for MOC 001137
TCH seizure attempts for MTC 001138
Queued urgent handover attempts 001142
TCH requests for 14.4k data calls 001156
HSCSD transparent TCH request 001158
HSCSD request for call setup 001160
HSCSD TCH request for HO 001161
TCH request for a BSC controlled TRHO procedure 001167
DADLB start due to exceeded load 001172
TCH requests for AMR call 001184
TCH requests for 9.6k data calls 001189
TCH requests for call attempt 001192
HO commands in outgoing MSC-controlled handover 001195
HO commands in outgoing BSC–controlled handover 001196
Assignment commands in intra-BTS handover 001197
TCH requests for call attempt class 1 001237
TCH requests for call attempt class 2 001239
TCH requests for call attempt class 3 001241
. TCH success counters
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Table 6. TCH success counters
Counter Counter number
Success TCH seizure for HO 001008
Success TCH seizure for normal assignment 001009
Success trunk reservation invocations 001041
TCH seizure FACCH call setup 001044
Forced releases 001070
Forced handovers 001071
Priority subscriber success TCH seizure 001096
TCH seizure due SDCCH congestion 001099
Success full TCH seizure 001106
Success half TCH seizure 001107
Full TCH seizure speech ver 1 001108
Full TCH seizure speech ver 2 001109
Full TCH seizure speech ver 3 001110
Half TCH seizure speech ver 1 001111
Half TCH seizure speech ver 2 001112
Half TCH seizure speech ver 3 001113
Full TCH seizure normal assignment 001114
Half TCH seizure normal assignment 001115
Full TCH seizure internal HO channel rate 001116
Half TCH seizure internal HO channel rate 001117
Success full TCH seizure FACCH call 001125
Success half TCH seizure FACCH call 001126
MS success TCH seizure for assignment complete 001148
Calls ended by user during DADL/B setup 001149
Success TCH seizure when good quality in adjacents 001150
Succ TCH seiz when qual betw good and bad in adj 001152
HSCSD success TCH seizure with 14.4 001157
HSCSD success transparent TCH seizure 001159
HSCSD success TCH seizure for call setup 001162
HSCSD success TCH seizure for HO 001163
Success TCH seizure for direct access 001165
Succ TCH seiz for a controlled TRHO 001168
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Table 6. TCH success counters (cont.)
Counter Counter number
Successful TCH seizures for DADLB HO 001170
Removal from queue due to DR 001173
Successful FR TCH seizures with AMR codecs forHO
001182
Successful HR TCH seizures with AMR codecs forHO
001183
Successful TCH seizures for call attempt 001193
Successful TCH seizures for call attempt class1 001238
Successful TCH seizures for call attempt class2 001240
Successful TCH seizures for call attempt class3 001242
Seizure in AMR FR to HR HO 001247
Seizure in AMR HR to FR HO 001248
Successful LRTCH seizures 001250
. TCH failure counters
Table 7. TCH failure counters
Counter Counter number
TCH request rejected due to lack 001011
Transactions ended due to BSS problem 001012
Transactions ended due to radio failure 001013
Transact. ended due source channel failure duringHO
001014
Transact. ended due target channel failure during HO 001015
Not served queued call attempts 001024
Not served queued HO attempts 001025
TCH activation failure 001028
TCH transcoder failure 001029
TCH transcoder failure source 001030
TCH transcoder failure target 001031
Trunk reservation invocations result refused 001042
TCH Abis problems 001045
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Table 7. TCH failure counters (cont.)
Counter Counter number
TCH LAPD failure 001046
TCH BTS failure 001047
TCH user actions 001048
TCH BCSU reset 001049
TCH network actions 001050
TCH A interface problems 001051
Forced release assign request failed 001058
Forced HO assign request failed 001059
Queuing allowed assign request failed 001060
Queuing not allowed assign request failed 001061
Forced release HO request failed 001066
Forced HO HO request failed 001067
Queuing allowed HO request failed 001068
Queuing not allowed HO request failed 001069
TCH activation failure call 001081
TCH activation failure target 001083
TCH Abis failure call 001084
TCH Abis failure source 001085
TCH Abis failure new 001086
TCH A interface failure call 001087
TCH A interface failure source 001088
TCH A interface failure new 001089
TCH rejected requests underlay overlay 001092
Non-priority subscriber refused TCH requests 001097
Trunk TCH rejected FR requests 001100
Trunk TCH rejected HR requests 001101
Rejected TCH requests due lack FR 001118
Rejected TCH requests due lack HR 001119
Full TCH rejected requests due HR traffic 001120
Half TCH rejected requests due FR traffic 001121
TCH rejected due requested channel A interfacecircuit
001122
Ended due transcoder FR rate 1 001127
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Table 7. TCH failure counters (cont.)
Counter Counter number
Ended due transcoder FR rate 2 001128
Ended due transcoder FR rate 3 001129
Ended due transcoder HR rate 1 001130
Ended due transcoder HR rate 2 001131
Ended due transcoder HR rate 3 001132
Full TCH transaction failures 001133
Half TCH transaction failures 001134
TCH release due to radio failure 001139
TCH release due to BSS failure 001140
TCH seizure failure due to congestion 001141
Queued urgent HO attempts not served 001147
TCH request rejected due to bad quality in adjacents 001151
TCH req rej when qual betw good and bad in adj 001153
HSCSD connection releases due to failure 001164
TCH request for direct access rejected due to lack 001166
Rej TCH seiz for BSC contr TRHO due lack of res 001169
TCH request in DADLB HO rejected 001171
TCH drop due to too low RX level 001194
TCH releases due to radio failures, updated inphases 9-11
001198
TCH releases due to BSS failures, updated in phases2-3
001199
TCH releases due to BSS failures, updated in phases9-11
001200
Dropped calls after TCH assignment 001202
Number of TCH drops between Assignment Completeand RF Channel Release messages
001204
Number of TCH releases due to radio failures,updated only in phases 2-3
001205
Number of TCH releases due to radio failures,updated only in phases 12-14
001206
Number of TCH releases due to BSS failures,updated only in phases 12-14
001207
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Table 7. TCH failure counters (cont.)
Counter Counter number
Number of TCH requests rejected due to themismatch between the types of the requestedchannel and the A interface circuit, updated only incall setup phase
001208
Number of TCH releases due to BSC-BSC conflict incall setup
001211
Number of TCH releases due to BSC-BSC conflict fortarget channel
001212
Number of TCH requests rejected due to lack ofresources per BCSU
001216
Drops after DTM CS TCH assignment 001233
DTM CS TCH drops between ASSCOMPL and RFCHREL ACK
001234
. Other counters
Table 8. Other counters
Counter Counter number
Average queue length for channel seizure request 001018
Queue denominator 1 001019
Average queue time of call attempts 001020
Queue denominator 2 001021
Average queue time of HO attempts 001022
Queue denominator 3 001023
Not relevant 001032
Not relevant 001073
Not relevant 001082
Successful MOC test call 001093
Unsuccessful MOC test call 001094
Average queuing time of urgent HO attempts 001143
Queue denominator 4 001144
Average queuing time of non-urgent HO attempts 001145
Queue denominator 5 001146
Successful AMR codec set downgrades 001185
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Table 8. Other counters (cont.)
Counter Counter number
Unsuccessful AMR codec set downgrades 001186
Successful AMR codec set upgrades 001187
Unsuccessful AMR codec set upgrades 001188
Internal to external HO 001217
Not changed internal HO 001218
Forced release after forced HO 001235
Class 2 subscriber forced release 001236
DR TRAU downgrade attempted in AMR HO 001243
DR TRAU downgrade attempt failed 001244
DR TRAU upgrade attempted in AMR HO 001245
DR TRAU upgrade attempt failed 001246
Internal AMR HO to external 001249
. GPRS counters
Table 9. GPRS counters
Counter Counter number
GPRS territory upgrade requests 001174
Incompletely served GPRS territory upgrade requests 001175
GPRS upgrade requests rejected due to CSW traffic 001176
GPRS upgrade requests rejected due to lack of PSW 001177
GPRS upgrade requests rejected due to to lack ofPCU
001178
GPRS downgrades due to increase in CSW traffic 001179
GPRS upgrades due to decrease in CSW traffic 001180
GPRS territory downgrade requests 001181
GPRS territory downgrade rejected due to streamingtraffic
001209
GPRS territory downgrade rejected due to need ofCS resources.
001210
Number of GPRS territory upgrade requestes fromCSW
001213
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Table 9. GPRS counters (cont.)
Counter Counter number
Number of GPRS territory upgrade requests fromCSW, partially successful
001214
Number of GPRS territory upgrade requests fromCSW, failed
011215
. Spare counters
Table 10. Spare counters
Counter Counter number
Spare001191 001191
Spare001219 001219
Spare001220 001220
Spare001221 001221
Spare001222 001222
Spare001223 001223
Spare001224 001224
Spare001225 001225
Spare001227 001227
Spare001228 001228
Spare001229 001229
Spare001230 001230
Related topics
. Counters of Traffic Measurement
. Signalling charts of Traffic Measurement
. Signalling charts of Dual Transfer Mode
Instructions
. BSC Statistics Administration
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For information on using this measurement to test the activation ofrelated software, see the testing instructions in:
. Activating and Testing BSS6071: EFR
. Activating and Testing BSS6115: Half Rate
. Activating and Testing BSS7003 and BSS7037: HSCSD and 14.4kbit/s Data Services
. Activating and Testing BSS7036: Dynamic SDCCH
. Activating and Testing BSS9006: GPRS
. Activating and Testing BSS10004: AMR
. Activating and Testing BSC3910: Pre-emption and BSS20869:Market Expansion Toolkit
. Activating and Testing BSS21274: Long Reach TSL (Flexi EDGEBTS)
Reference
. BSC Measurement Counters Displaying Program (FOXMEA)
. Performance Measurements
Descriptions
. Advanced Multilayer Handling
. Direct Access to Desired Layer/Band
. Directed Retry in BSC
. Dual Transfer Mode in BSC
. Dynamic Abis
. Dynamic Frequency and Channel Allocation in BSC
. Dynamic SDCCH in Radio Channel Allocation
. GPRS/EDGE System Feature Description
. Enhanced Coverage by Frequency Hopping
. Enhanced Speech Codecs: AMR and EFR
. Extended Cell Range
. FACCH Call Set-up
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. Half Rate in BSC
. Handover Support for Coverage Enhancements
. HSCSD and 14.4 kbit/s Data Services in BSC
. Intelligent Underlay-Overlay
. Multi BCF Control in BSC
. Radio Resource Pre-emption and Queuing in BSC
. Traffic Reason Handover in BSC
. Trunk Reservation
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2 Counters of Traffic Measurement
2.1 001000 / SEIZURE ATTEMPTS
CounterID: 001000
Networkelement name: SEIZURE ATTEMPTS
Version: 2.1 NetAct name: SDCCH_SEIZ_ATT
Description:Number of times when an MS attempts to seize an SDCCH.
Updated:When the RRM receives requests for SDCCH from an MS as the MS needs a channelfor either a call or a HO. See figures: - Basic call with counters - FACCHcall setup due to SDCCH congestion with counters - FACCH call setup due toSDCCH congestion, no free TCH channel - SDCCH congestion, FACCH call setupis not activated - Successful SDCCH internal intra-cell handover - SuccessfulSDCCH internal inter-cell handover - Successful SDCCH external handover target- Reconfiguration from TCH to SDCCH
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
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2.2 001001 / SEIZURE ATTEMPTS WITH BUSY SDCCH
CounterID: 001001
Networkelement name: SEIZURE ATTEMPTS WITH BUSY SDCCH
Version: 2.1 NetAct name: SDCCH_BUSY_ATT
Description:Number of times when an MS attempts to seize an SDCCH but the attempt is unsuccessfulbecause all SDCCHs are busy. This counter does not necessarily mean that thecall attempt is lost, because the call may be established as an FACCH callsetup using TCH instead of SDCCH. This counter is not triggered when theTCH reconfiguration is attempted because of dynamic SDCCH allocation. If theattempt fails, the SDCCH_busy_attempt is triggered together with 1155UNSUCC_IMM_ASS_SDCCH_ATTEMPT.
Updated:When the RRM has no SDCCHs to allocate for a call or HO attempts. See figures:- FACCH call setup due to SDCCH congestion with counters - FACCH call setupbecause of SDCCH congestion - SDCCH congestion, FACCH call setup is not activated
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20003:CS Statistics Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.3 001002 / TRANSACTIONS FAIL DUE TO BSS FAIL
CounterID: 001002
Networkelement name: TRANSACTIONS FAIL DUE TO BSS FAIL
Version: 2.1 NetAct name: SDCCH_BSS_FAIL
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Description:Number of SDCCH transactions ended because of a BSS failure. Impact: Seefield descriptions of the counters 001033, 001034, 001035, and 001036.
Updated:When one of the counters 001033, 001034, 001035, or 001036 is updated. Thiscounter represents their sum. See figures: - Unsuccessful SDCCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - SDCCH assignmentfailure - Unsuccessful SDCCH activation, timer expires while waiting forPHYSICAL_CONTEXT_CONFIRM message - TRX/TSL is blocked with different causesduring an SDCCH channel activation - Unsuccessful SDCCH internal intra-cellhandover, timer expires while waiting for CHANNEL_ACTIVATION_ACK message- Unsuccessful SDCCH external handover, timer expires while waiting for CLEAR_COMMANDmessage
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.4 001003 / TRANSACTIONS FAIL DUE TO RADIOFAIL
CounterID: 001003
Networkelement name: TRANSACTIONS FAIL DUE TO RADIO FAIL
Version: 2.1 NetAct name: SDCCH_RADIO_FAIL
Description:Number of SDCCH transactions ended because of a radio failure. Impact: Callcleared Reason for the Impact: External / Abis Interface
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Updated:When an SDCCH transaction ends because of a radio failure (radio link timeout)and the RRM releases the SDCCH. This counter is updated in call phases 1-8only. See figures: - TCH assignment failure - Connection failure duringSDCCH assignment
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.5 001004 / TRANSACTIONS FAIL DUE RADIO ONSOURCE CHANNEL DURING HO
CounterID: 001004
Networkelement name: TRANSACTIONS FAIL DUE RADIO ONSOURCE CHANNEL DURING HO
Version: 2.1 NetAct name: SDCCH_RF_OLD_HO
Description:Number of SDCCH transactions ended because of a radio failure on the sourcechannel during a handover between SDCCH-SDCCH or SDCCH-TCH. It is this counterin the source cell that is updated. If the target cell lies within the sameBSC, also counter 001005 in the target cell is updated along with this counter.Impact: HO failure and call cleared
Updated:When an SDCCH transaction ends because of a radio failure (HO failure) onthe source channel during a handover attempt and the RRM releases the SDCCH.This counter is updated in call phases 9-11 only. See figure UnsuccessfulSDCCH internal inter-cell handover, BTS sends CONNECTION_FAILURE message.
Logicaltype: Sum
Trigger type: Event Sampling interval:
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Unit: Integer number Range: Example values:
Dependencies withother counters:
001005:TRANSACTIONS FAIL DUE RADIO ON TARGET CHANNEL
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.6 001005 / TRANSACTIONS FAIL DUE RADIO ONTARGET CHANNEL
CounterID: 001005
Networkelement name: TRANSACTIONS FAIL DUE RADIO ONTARGET CHANNEL
Version: 2.1 NetAct name: SDCCH_RF_NEW_HO
Description:Number of SDCCH transactions ended because of a radio failure on the targetchannel during an SDCCH HO. Impact: HO failure, the call may possibly becleared Reason for the impact: Since the MS cannot access the target channel,a radio failure occurs. The unsuccessful seizure may have been caused by amissing indication of call establishment, missing detection of HO, missingindication of the HO completed, or corrupted messages related to the HO.
Updated:When an SDCCH transaction ends because of a radio failure on the target channelduring a handover attempt and the RRM releases the SDCCH. This counter isupdated in call phases 12-14 only. See figure Unsuccessful SDCCH internalintra-cell handover, CONNECTION_FAILURE message comes to the target channelduring handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.7 001006 / SUCCESS SEIZURE FOR HO
CounterID: 001006
Networkelement name: SUCCESS SEIZURE FOR HO
Version: 2.1 NetAct name: SDCCH_HO_SEIZ
Description:Number of successful SDCCH seizures for a handover.
Updated:When the RRM allocates an SDCCH as a response to an SDCCH request in a handoverattempt. See figures: - Successful SDCCH internal intra-cell handover - SuccessfulSDCCH internal inter-cell handover - Successful SDCCH external handover target
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
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2.8 001007 / SUCCESS SEIZURE FOR IMMEDIATEASSIGNMENT
CounterID: 001007
Networkelement name: SUCCESS SEIZURE FOR IMMEDIATEASSIGNMENT
Version: 2.1 NetAct name: SDCCH_ASSIGN
Description:Number of successful seizures of SDCCH for an immediate assignment.
Updated:When the RRM allocates an SDCCH for an immediate assignment in a call attempt.See figures: - Basic call with counters - Reconfiguration from TCH to SDCCH
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.9 001008 / SUCCESS TCH SEIZURE FOR HO
CounterID: 001008
Networkelement name: SUCCESS TCH SEIZURE FOR HO
Version: 2.1 NetAct name: TCH_HO_SEIZ
Description:Number of successful requests for a TCH in a handover.
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Updated:When the RRM allocates a TCH as a response to a TCH request in a handoverattempt. The channel is reserved by the RRM, but the success of the HO isnot known in this phase. See figures: - Successful internal intra-cell handover- Internal intra-cell HO, successful TCH queuing - Successful internal inter-cellhandover - Successful external handover, target
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.10 001009 / SUCCESS TCH SEIZURE FOR NORMALASSIGNMENT
CounterID: 001009
Networkelement name: SUCCESS TCH SEIZURE FOR NORMALASSIGNMENT
Version: 2.1 NetAct name: TCH_NORM_SEIZ
Description:Number of successful requests for a TCH in a normal assignment.
Updated:When the RRM allocates a TCH as a response to a TCH request in a call attempt.See figures: - Basic call with counters - Basic call with priority subscriber- Successful TCH queuing - Successful forced release - Successful forced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.11 001010 / TCH REQUEST SUCCESS ANDUNSUCCESS
CounterID: 001010
Networkelement name: TCH REQUEST SUCCESS ANDUNSUCCESS
Version: 2.1 NetAct name: TCH_REQUEST
Description:Total number of requests for a TCH (successful and unsuccessful).
Updated:When the RRM receives a request for a TCH either in a call or a handover attempt.See figures: - Basic call with counters - Basic call with priority subscriber- FACCH call setup due to SDCCH congestion with counters - FACCH call setupbecause of SDCCH congestion - Basic call, no free TCH and queuing or directedretry is not allowed - Successful TCH queuing - Basic call, no free TCHs,unsuccessful queuing and directed retry not activated - TCH assignment failurewith cause switch_circuit_pool, queuing and directed retry not allowed -Unsuccessful trunk reservation - Successful internal intra-cell handover- Internal intra-cell HO, successful TCH queuing - Unsuccessful underlayoverlay internal intra-cell handover, queuing not allowed - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry - Successfulinternal inter-cell handover - Successful external handover, target - Successfulforced release - Unsuccessful forced release - Unsuccessful forced releasewith external handover - Successful forced handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release:
2.12 001011 / TCH REQUEST REJECTED DUE TO LACK
CounterID: 001011
Networkelement name: TCH REQUEST REJECTED DUE TO LACK
Version: 2.1 NetAct name: TCH_REQ_REJ_LACK
Description:Number of requests for TCHs that are rejected because there are no radio resourcesavailable. This counter is also updated when a request for TCH is rejectedbecause of a mismatch between the types of the requested channel and the Ainterface circuit. See also counter 004079.
Updated:When the RRM has no TCHs available for either call or HO attempt requests,or the RRM changes the A interface circuit pool before the TCH allocation.This counter may be updated immediately after a TCH request or, in case ofqueuing, when the queuing timer expires. NOTE! In case of DR this counteris updated as follows: 1) When a call is removed from the queue becauseof a DR attempt, this counter is NOT updated on the SOURCE side, instead counter001173 is updated. 2) If queuing is not used or the queuing timer expiresbefore a DR attempt, this counter is updated on the SOURCE side. 3) On theTARGET side, this counter is updated in case of congestion (blocking). Seefigures: - Basic call without counters - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - TCH assignment failure with causeswitch_circuit_pool, queuing and directed retry not allowed - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Unsuccessful forced release- Unsuccessful forced release with external handover - Unsuccessful forcedhandover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
004079:CAUSE DIR RETRY
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Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release: S11
2.13 001012 / TRANSACTIONS ENDED DUE TO BSSPROBLEM
CounterID: 001012
Networkelement name: TRANSACTIONS ENDED DUE TO BSSPROBLEM
Version: 2.1 NetAct name: TCH_BSS_FAIL
Description:Number of TCH transactions ended because of BSS problems. Impact: See descriptionsof counters 001045, 001046, 001047 and 001051.
Updated:When one of the counters 001045, 001046, 001047, or 001051 is updated. Thiscounter represents their sum. See figures: - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure, MSC sends CLEAR_COMMAND message - TRX or TSL is blocked with differentcauses during a call - Unsuccessful internal intra-cell handover, timer expireswhile waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessful externalhandover, source BSC, timer expires while waiting for CLEAR_COMMAND message- Unsuccessful external handover, MS sends a handover failure - Dropped callbetween ASSIGNMENT COMPLETE and DISCONNECT
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
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Definition updatedin release:
2.14 001013 / TRANSACTIONS ENDED DUE RADIO FAIL
CounterID: 001013
Networkelement name: TRANSACTIONS ENDED DUE RADIO FAIL
Version: 2.1 NetAct name: TCH_RADIO_FAIL
Description:Number of TCH transactions ended because of a radio failure. Impact: Callcleared
Updated:When a TCH transaction ends because of a radio failure and the RRM releasesthe TCH. This counter is typical in connection with coverage problems. ERRORINDICATION is sent by the BTS to the BSC in the following cases: - Sequenceerror in a received message (the case where retransmission is not possible).- Timer T200 has expired N200 +1 times (MS does not respond any more). -Unsolicited DM response when link is established. This counter is updatedin call phases 1-8 or 15 only. See figures: - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
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Exceptionsto related standard:
Usedfrom release: S1
Definition updatedin release: S11
2.15 001014 / TRANSACTIONS ENDED DUE SOURCECHANNEL FAIL DURING HO
CounterID: 001014
Networkelement name: TRANSACTIONS ENDED DUE SOURCECHANNEL FAIL DURING HO
Version: 2.1 NetAct name: TCH_RF_OLD_HO
Description:Number of TCH transactions ended because of a radio failure on the sourcechannel during a handover attempt. Impact: HO failure and call cleared
Updated:When a TCH transaction ends because of a radio failure (HO failure) on thesource channel during a handover attempt. This counter is updated in callphases 9-11 only. See figure Unsuccessful internal intra-cell handover, timerexpires on the source channel, call cleared.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Definition updatedin release:
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2.16 001015 / TRANSACTIONS ENDED DUE TARGETCHANNEL FAIL
CounterID: 001015
Networkelement name: TRANSACTIONS ENDED DUE TARGETCHANNEL FAIL
Version: 2.1 NetAct name: TCH_RF_NEW_HO
Description:A TCH transaction ends because of a radio failure (HO failure) on the targetchannel during a handover attempt. Counter 001088 is also updated along withthis counter if the MS fails to return to the old channel during an inter-BSChandover. Impact: HO failure, the call may possibly be cleared Reason forthe impact: Since the MS cannot access the target channel, a radio failureoccurs. It may be caused by missing indication of call establishment, missingdetection of HO, missing indication of the HO completed or corrupted messagesrelated to HO.
Updated:When a TCH transaction ends because of a radio failure on the target channelduring a handover attempt. This counter is updated in call phases 12-14 only.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001088:TCH A IF FAIL SOURCE
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Definition updatedin release:
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2.17 001016 / CALL ATTEMPTS IN THE QUEUE
CounterID: 001016
Networkelement name: CALL ATTEMPTS IN THE QUEUE
Version: 2.1 NetAct name: TCH_QD_CALL_ATT
Description:Number of call attempts set in the queue for a TCH. Counter 001010 is updatedalong with this counter.
Updated:When the RRM puts a TCH request for call attempt in the queue since it hasno TCHs of the requested kind available. See figures: - Successful TCHqueuing - Basic call, no free TCHs, unsuccessful queuing and directed retrynot activated
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
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2.18 001017 / HANDOVER ATTEMPTS IN THE QUEUE
CounterID: 001017
Networkelement name: HANDOVER ATTEMPTS IN THE QUEUE
Version: 2.1 NetAct name: TCH_QD_HO_ATT
Description:Number of HO attempts set in the queue for a TCH. Counter 001010 is updatedalong with this counter.
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Updated:When the RRM sets a TCH request for a handover attempt in the queue sinceit has no TCHs of the requested kind available. See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessful TCHqueuing - Internal directed retry
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
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Definition updatedin release:
2.19 001018 / AVE QUEUE LENGTH FOR CHANNELSEIZURE REQUEST
CounterID: 001018
Networkelement name: AVE QUEUE LENGTH FOR CHANNELSEIZURE REQUEST
Version: 2.1 NetAct name: AVE_Q_SEIZ_REQ
Description:Average number of requests for channel seizure in the queue.
Updated:Every 20 seconds, as averaging takes place once in the measurement period.The sample counter is updated when a request is set in the queue or removedfrom it. Updated only to normal TRX record, not to extended TRX record.See figure Average counter updating.
Logicaltype: Sum
Trigger type: Sample Sampling interval:20 s
Unit: Integer number Range: Example values:
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Definition updatedin release:
2.20 001019 / QUEUE DENOMINATOR 1
CounterID: 001019
Networkelement name: QUEUE DENOMINATOR 1
Version: 2.1 NetAct name: QUEUE_DENOM1
Description:Denominator of the average number of requests for channel seizure (always> 0).
Updated:
Logicaltype: Sum
Trigger type: Sample Sampling interval:20 s
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Definition updatedin release:
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2.21 001020 / AVE QUEUE TIME OF CALL ATTEMPTS
CounterID: 001020
Networkelement name: AVE QUEUE TIME OF CALL ATTEMPTS
Version: 2.1 NetAct name: AVE_Q_TIM_CALL_ATT
Description:The average time for which call attempts are kept in the queue (the unit ofthe value is 10 ms). In a successful case counters 001009 and 001021 areupdated along with this counter. In an unsuccessful case counters 001021,001024 and 001060 are updated along with this counter.
Updated:When a TCH request for a call attempt is removed from the queue (both in asuccessful and unsuccessful case). See figures: - Successful TCH queuing- Basic call, no free TCHs, unsuccessful queuing and directed retry not activated
Logicaltype: Sum
Trigger type: Duration Sampling interval:
Unit: 10 ms Range: Example values:
Dependencies withother counters:
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
001021:QUEUE DENOMINATOR 2
001024:NOT SERVED QUEUED CALL ATTEMPTS
001060:QUE ALL ASSIGN REQ FAIL
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Definition updatedin release:
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2.22 001021 / QUEUE DENOMINATOR 2
CounterID: 001021
Networkelement name: QUEUE DENOMINATOR 2
Version: 2.1 NetAct name: QUEUE_DENOM2
Description:Denominator of the average time for which call attempts are kept in the queue(always > 0).
Updated:See figures: - Successful TCH queuing - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Definition updatedin release:
2.23 001022 / AVE QUEUE TIME OF HO ATTEMPTS
CounterID: 001022
Networkelement name: AVE QUEUE TIME OF HO ATTEMPTS
Version: 2.1 NetAct name: AVE_Q_TIM_HO_ATT
Description:The average time for which HO attempts are kept in the queue (the unit ofthe value is 10 ms). In a successful case counters 001008 and 001023 areupdated along with this counter. In an unsuccessful case counters 001023,001025 and 001068 are updated along with this counter.
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Updated:When a TCH request for a handover attempt is removed from the queue (bothin a successful and unsuccessful case). See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessful TCHqueuing - Internal directed retry
Logicaltype: Sum
Trigger type: Duration Sampling interval:
Unit: 10 ms Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001023:QUEUE DENOMINATOR 3
001025:NOT SERVED QUEUED HO ATTEMPTS
001068:QUE ALL HO REQ FAIL
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2.24 001023 / QUEUE DENOMINATOR 3
CounterID: 001023
Networkelement name: QUEUE DENOMINATOR 3
Version: 2.1 NetAct name: QUEUE_DENOM3
Description:Denominator of the average time for which HO attempts are kept in the queue(always > 0).
Updated:See figures: - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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2.25 001024 / NOT SERVED QUEUED CALL ATTEMPTS
CounterID: 001024
Networkelement name: NOT SERVED QUEUED CALL ATTEMPTS
Version: 2.1 NetAct name: UNSRV_QD_CALL_ATT
Description:Number of call attempts in the queue which were not served. Counters 001020,001021 and 001060 are updated along with this counter.
Updated:When a call attempt is removed from the queue because a timer expires, orthe call attempt is substituted by another attempt of higher priority. NOTE!This counter is not updated in DR (neither in a successful or unsuccessfulDR). See figure Basic call, no free TCHs, unsuccessful queuing and directedretry not activated.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001020:AVE QUEUE TIME OF CALL ATTEMPTS
001021:QUEUE DENOMINATOR 2
001060:QUE ALL ASSIGN REQ FAIL
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2.26 001025 / NOT SERVED QUEUED HO ATTEMPTS
CounterID: 001025
Networkelement name: NOT SERVED QUEUED HO ATTEMPTS
Version: 2.1 NetAct name: UNSRV_QD_HO_ATT
Description:Number of HO attempts in the queue which were not served. Counters 001022,001023 and 001068 are updated along with this counter.
Updated:When a handover attempt is removed from the queue because a timer expires,or the HO attempt is substituted by another attempt of higher priority.See figure Internal intra-cell handover, unsuccessful TCH queuing.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001022:AVE QUEUE TIME OF HO ATTEMPTS
001023:QUEUE DENOMINATOR 3
001068:QUE ALL HO REQ FAIL
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Definition updatedin release:
2.27 001026 / TCH CALL REQ
CounterID: 001026
Networkelement name: TCH CALL REQ
Version: 2.1 NetAct name: TCH_CALL_REQ
Description:Number of TCH requests for a normal assignment (both successful and unsuccessful).Counter 001010 is updated along with this counter.
Updated:When the RRM receives a TCH request in a call attempt. See figures: - Basiccall with counters - Basic call with priority subscriber - Successful TCHqueuing - Basic call, no free TCHs, unsuccessful queuing and directed retrynot activated - TCH assignment failure with cause switch_circuit_pool, queuingand directed retry not allowed - Unsuccessful trunk reservation - Internaldirected retry - Successful forced release - Unsuccessful forced release- Successful forced handover - Unsuccessful forced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
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3GPPMeasurement name (Clause header):
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Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.28 001027 / SDCCH ACT FAIL
CounterID: 001027
Networkelement name: SDCCH ACT FAIL
Version: 2.1 NetAct name: SDCCH_ACT_FAIL
Description:Number of SDCCH transactions that are ended because of a failure in the activationof a channel either during a call or HO attempt. Impact: - Call cleared -HO failure Reason for the impact: External / Abis interface
Updated:When either of the counters 001072 and 001074 is updated. This counter representstheir sum. See figures: - Unsuccessful SDCCH activation - Unsuccessful SDCCHinternal intra-cell handover, unsuccessful channel activation
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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2.29 001028 / TCH ACT FAIL
CounterID: 001028
Networkelement name: TCH ACT FAIL
Version: 2.1 NetAct name: TCH_ACT_FAIL
Description:Number of TCH transactions that are ended because of a failure in the activationof a channel either during a call or HO attempt. Impact: - Call cleared -HO failure Reason for the impact: Abis Interface
Updated:When either of the counters 001081 and 001083 is updated. This counter representstheir sum. See figures: - Unsuccessful TCH activation - Unsuccessful internalinter-cell handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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2.30 001029 / TCH TR FAIL
CounterID: 001029
Networkelement name: TCH TR FAIL
Version: 2.1 NetAct name: TCH_TR_FAIL
Description:Number of TCH transactions that are ended because of a transcoder failure.Impact: Call cleared
Updated:When a TCH transaction ends because of a transcoder failure during a callattempt and the RRM releases the TCH. These failures can also contain situationswhen the timer T3109 expires in a BSC in call release phase while waitingfor the Release Indication. The MS subscriber does not see these failurescaused by the T3109 expiry as real drop calls. This counter is updated incall phases 1-8 or 15 only. See figure CONNECTION_FAILURE message with causetranscoder_failure during a call.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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2.31 001030 / TCH TR FAIL SOURCE
CounterID: 001030
Networkelement name: TCH TR FAIL SOURCE
Version: 2.1 NetAct name: TCH_TR_FAIL_OLD
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Description:Number of TCH transactions that are ended because of a transcoder failureon the source channel during a handover on a TCH. Impact: HO failure andcall cleared
Updated:When a TCH transaction ends because of a transcoder failure on the sourcechannel during a handover attempt and the RRM releases the TCH. This happensbefore the RRM receives a message from the MS stating that the HO or assignmentis completed. This counter is updated in call phases 9-11 only.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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2.32 001031 / TCH TR FAIL TARGET
CounterID: 001031
Networkelement name: TCH TR FAIL TARGET
Version: 2.1 NetAct name: TCH_TR_FAIL_NEW
Description:Number of TCH transactions that are ended because of a transcoder failureon the target channel during a handover on a TCH. Impact: HO failure, thecall may possibly be cleared
Updated:When a TCH transaction ends because of a transcoder failure on the targetchannel during a handover attempt and the RRM releases the TCH. This happensbefore the RRM receives a message from the MS stating that the HO or assignmentis completed. This counter is updated in call phases 12-14 only. See figureUnsuccessful internal intra-cell handover, CONNECTION_FAILURE message withcause remote_transcoder_failure comes to the target channel.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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2.33 001032 / NOT RELEVANT
CounterID: 001032
Networkelement name: NOT RELEVANT
Version: 2.0 NetAct name: SDCCH_FAST_SEIZ
Description:Not in use
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
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2.34 001033 / SDCCH ABIS PROBL
CounterID: 001033
Networkelement name: SDCCH ABIS PROBL
Version: 2.1 NetAct name: SDCCH_ABIS_FAIL
Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface. Impact: - Call cleared - HO failure Reason for the impact: External/ Abis interface
Updated:When any of the counters 001075, 001076 or 001077 is updated. This counterrepresents their sum. See figures: - Unsuccessful SDCCH activation, timerexpires while waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessful SDCCHactivation, timer expires while waiting for PHYSICAL_CONTEXT_CONFIRM message- TRX/TSL is blocked with different causes during an SDCCH channel activation- Unsuccessful SDCCH internal intra-cell handover, timer expires while waitingfor CHANNEL_ACTIVATION_ACK message
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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2.35 001034 / SDCCH A IF PROBL
CounterID: 001034
Networkelement name: SDCCH A IF PROBL
Version: 2.1 NetAct name: SDCCH_A_IF_FAIL
Description:Number of SDCCH transactions that are ended because of a failure in the Ainterface. Impact: - Call cleared - HO failure Reason for the impact: External/ A interface
Updated:When any of the counters 001078, 001079, and 001080 is updated. This counterrepresents their sum. See figures: - SDCCH assignment failure - UnsuccessfulSDCCH external handover, timer expires while waiting for CLEAR_COMMAND message
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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2.36 001035 / SDCCH LAPD FAIL
CounterID: 001035
Networkelement name: SDCCH LAPD FAIL
Version: 2.1 NetAct name: SDCCH_LAPD_FAIL
Description:Number of SDCCH transactions that are ended because of an LAPD failure. (Theblocked TRX is in one of these substates: signalling link fault or PCM fault.)Impact: - Call cleared - HO failure Reason for the impact: External / Abisinterface
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Updated:When an SDCCH transaction ends because of a TRX blocked by an LAPD failureand the RRM releases the SDCCH. See figure TRX/TSL is blocked with differentcauses during an SDCCH channel activation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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2.37 001036 / SDCCH BTS FAIL
CounterID: 001036
Networkelement name: SDCCH BTS FAIL
Version: 2.1 NetAct name: SDCCH_BTS_FAIL
Description:Number of SDCCH transactions that are ended because of a BTS failure. (Theblocked TRX is in one of these substates: FU fault, CU fault, BTS reset, BCFreset, both CU and FU fault, BCF fault.) Impact: Call cleared
Updated:When an SDCCH transaction ends because of a TRX being blocked by a BTS failureand the RRM releases the SDCCH. See figure TRX/TSL is blocked with differentcauses during an SDCCH channel activation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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2.38 001037 / SDCCH USER ACT
CounterID: 001037
Networkelement name: SDCCH USER ACT
Version: 2.1 NetAct name: SDCCH_USER_ACT
Description:Number of SDCCH transactions that are ended because of user actions. (TheTRX/TSL is in substate blocked by the user.) Impact: - Call cleared - HOfailure
Updated:When the user disconnects a busy SDCCH by blocking the TSL/TRX with an MMLcommand. The transaction ends and the SDCCH is released. See figure TRX/TSLis blocked with different causes during an SDCCH channel activation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
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2.39 001038 / SDCCH BCSU RESET
CounterID: 001038
Networkelement name: SDCCH BCSU RESET
Version: 2.1 NetAct name: SDCCH_BCSU_RESET
Description:Number of SDCCH transactions that are ended because of a BCSU restart. Impact:- Call cleared - HO failure Reason for the impact: BCSU restart
Updated:When an SDCCH transaction ends because of a TRX blocked by a BCSU restartand the RRM releases the SDCCH.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.40 001039 / SDCCH NETW ACT
CounterID: 001039
Networkelement name: SDCCH NETW ACT
Version: 2.1 NetAct name: SDCCH_NETW_ACT
Description:Number of SDCCH transactions ended because of a reconfiguration of the radionetwork. (The TRX blocked is in substate blocked by the system.) Impact:- Call cleared - HO failure Reason for the impact: See Radio Network Management,Service Block Description, for radio network reconfiguration.
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Updated:When an SDCCH transaction ends because of a TRX blocked by a failure whichleads to TRX reconfiguration. The failure may occur both during call and HOattempts. See figure TRX/TSL is blocked with different causes during anSDCCH channel activation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.41 001040 / TRUNK RES INVOC
CounterID: 001040
Networkelement name: TRUNK RES INVOC
Version: 2.1 NetAct name: TRUNK_RES_INVOC
Description:Total number of Trunk Reservation function invocations.
Updated:When Trunk Reservation is applied during call setup or handover in Radio ResourceManagement. See figures: - Successful trunk reservation - Unsuccessful trunkreservation
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
BSC1006:Trunk Reservation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.42 001041 / SUCC TRUNK RES INVOC
CounterID: 001041
Networkelement name: SUCC TRUNK RES INVOC
Version: 2.1 NetAct name: TRUNK_RES_INVOC_SUCC
Description:Number of successful Trunk Reservation function invocations.
Updated:When Trunk Reservation allows resources to be allocated in call setup or handoverin Radio Resource Management. See figure Successful trunk reservation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1006:Trunk Reservation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S2
Definition updatedin release:
2.43 001042 / TRUNK RES INVOC RES REFUSED
CounterID: 001042
Networkelement name: TRUNK RES INVOC RES REFUSED
Version: 2.1 NetAct name: TRUNK_RES_INVOC_REFUSED
Description:Number of Trunk Reservation function invocations that result in resource allocationbeing refused.
Updated:When Trunk Reservation denies access and does not allow resources to be allocatedin call setup or handover in Radio Resource Management. See figure Unsuccessfultrunk reservation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1006:Trunk Reservation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.44 001043 / TCH REQ FACCH CALLSET
CounterID: 001043
Networkelement name: TCH REQ FACCH CALLSET
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Version: 2.1 NetAct name: TCH_FAST_REQ
Description:Number of TCH requests for FACCH call setup during SDCCH congestion (bothsuccessful and unsuccessful). Counters 001010 and 001098 are updated alongwith this counter.
Updated:When the RRM receives a request for an SDCCH but there are no SDCCHs idleand a TCH is tried to be allocated as part of the FACCH call setup. It isindicated in the received SDCCH request whether a FACCH setup is allowed ornot. See figures: - FACCH call setup due to SDCCH congestion with counters- FACCH call setup because of SDCCH congestion
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
001098:TCH SEIZ ATT DUE SDCCH CON
Operability class:
Relatedto feature:
BSS5290:FACCH Call Setup due to SDCCH Congestion
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release: S5
2.45 001044 / TCH SEIZ FACCH CALL SET
CounterID: 001044
Networkelement name: TCH SEIZ FACCH CALL SET
Version: 2.1 NetAct name: TCH_FAST_SEIZ
Description:Number of successful seizures of TCHs in FACCH call setup. Counter 001099is updated along with this counter.
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Updated:When the RRM allocates a TCH as a response to an SDCCH request as part ofthe FACCH call setup because of no SDCCHs being idle. See figure FACCH callsetup due to SDCCH congestion with counters.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001099:TCH SEIZ DUE SDCCH CON
Operability class:
Relatedto feature:
BSS5290:FACCH Call Setup due to SDCCH Congestion
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release: S5
2.46 001045 / TCH ABIS PROBL
CounterID: 001045
Networkelement name: TCH ABIS PROBL
Version: 2.1 NetAct name: TCH_ABIS_FAIL
Description:Number of TCH transactions that are ended because of a failure in the Abisinterface. Impact: - The call may possibly be cleared - HO failure Reasonfor the impact: External / Abis Interface
Updated:When any of the counters 001084, 001085, and 001086 is updated. This counterrepresents their sum. See figures: - Unsuccessful TCH activation, timerexpires while waiting for CHANNEL_ACTIVATION_ACK message - TRX or TSL isblocked with different causes during a call - Unsuccessful internal intra-cellhandover, timer expires while waiting for CHANNEL_ACTIVATION_ACK message- Dropped call between ASSIGNMENT COMPLETE and DISCONNECT
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.47 001046 / TCH LAPD FAIL
CounterID: 001046
Networkelement name: TCH LAPD FAIL
Version: 2.1 NetAct name: TCH_LAPD_FAIL
Description:Number of TCH transactions that are ended because of an LAPD failure. (Theblocked TRX is in one of these substates: signalling link fault or PCM fault.)Impact: - Call cleared - HO failure
Updated:When a TCH transaction ends because of a TRX blocked by an LAPD failure andthe RRM releases the TCH. See figure TRX or TSL is blocked with differentcauses during a call.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.48 001047 / TCH BTS FAIL
CounterID: 001047
Networkelement name: TCH BTS FAIL
Version: 2.1 NetAct name: TCH_BTS_FAIL
Description:Number of TCH transactions that are ended because of a BTS failure. (The blockedTRX is in one of these substates: FU fault, CU fault, BTS reset, BCF reset,both CU and FU fault, BCF fault.) Impact: Call cleared
Updated:When a TCH transaction ends because of a TRX blocked by a BTS failure andthe RRM releases the TCH. See figure TRX or TSL is blocked with differentcauses during a call.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
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2.49 001048 / TCH USER ACT
CounterID: 001048
Networkelement name: TCH USER ACT
Version: 2.1 NetAct name: TCH_USER_ACT
Description:Number of TCH transactions that are ended because of user actions. (The TRX/TSLis in substate blocked by the user.) Impact: - Call cleared - HO failure
Updated:When the user disconnects a busy TCH by blocking the TSL/TRX with an MML command.The transaction ends and the TCH is released. See figure TRX or TSL is blockedwith different causes during a call.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.50 001049 / TCH BCSU RESET
CounterID: 001049
Networkelement name: TCH BCSU RESET
Version: 2.1 NetAct name: TCH_BCSU_RESET
Description:Number of TCH transactions that are ended because of a BCSU restart. Impact:- Call cleared - HO failure Reason for the impact: BCSU restart
Updated:When a TCH transaction ends because of a TRX blocked by a BCSU restart andthe RRM releases the TCH.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.51 001050 / TCH NETW ACT
CounterID: 001050
Networkelement name: TCH NETW ACT
Version: 2.1 NetAct name: TCH_NETW_ACT
Description:Number of TCH transactions ended because of a reconfiguration of the radionetwork. (The blocked TRX is in substate blocked by the system.) Reason forthe impact: See Radio Network Management for radio network reconfiguration.
Updated:When a TCH transaction ends because of a TRX blocked by a failure which leadsto TRX reconfiguration. See figure TRX or TSL is blocked with differentcauses during a call.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.52 001051 / TCH A IF PROBL
CounterID: 001051
Networkelement name: TCH A IF PROBL
Version: 2.1 NetAct name: TCH_A_IF_FAIL
Description:Number of TCH transactions that are ended because of a failure in the A interface.Impact: - Call is possibly cleared - HO failure Reason for the impact: External/ A interface
Updated:When any of the counters 001087, 001088 or 001089 is updated. This counterrepresents their sum. See figures: - TCH assignment failure, MSC sendsCLEAR_COMMAND message - Unsuccessful external handover, source BSC, timerexpires while waiting for CLEAR_COMMAND message - Unsuccessful external handover,MS sends a handover failure
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
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2.53 001052 / TRHO REQ
CounterID: 001052
Networkelement name: TRHO REQ
Version: 2.1 NetAct name: TRHO_REQ
Description:Number of HOs because of traffic reasons.
Updated:When a handover, under the control of the MSC and because of a traffic reasonprocedure, is started as a response to the TRAFFIC_REASON_HO_CANDIDATE_ENQUIRYmessage from the A interface. The counter tells the number of mobiles, determinedby the MSC to be handed over. Updated only to normal TRX record, not to extendedTRX record. See figure Successful traffic reason handover, source.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1005:Traffic Reason Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.54 001053 / TRHO ENQUIRIES
CounterID: 001053
Networkelement name: TRHO ENQUIRIES
Version: 2.1 NetAct name: TRHO_ENQ
Description:Number of enquiries about traffic reason HO.
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Updated:When the RRM starts a handover by sending a message enquiring about the trafficreason to the Abis interface. See figure Successful traffic reason handover,source.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1005:Traffic Reason Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S2
Definition updatedin release:
2.55 001054 / FOR REL ASSIGN REQ ATT
CounterID: 001054
Networkelement name: FOR REL ASSIGN REQ ATT
Version: 2.1 NetAct name: FOR_REL_ASS_REQ_ATT
Description:Number of call attempt requests capable of doing a forced release for a callin progress. Counter 001010 is updated along with this counter.
Updated:When the RRM receives a TCH request for a call attempt which is capable ofdoing a forced release for a call in progress. See figures: - Basic callwith priority subscriber - Successful forced release - Unsuccessful forcedrelease
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.56 001055 / FOR HO ASSIGN REQ ATT
CounterID: 001055
Networkelement name: FOR HO ASSIGN REQ ATT
Version: 2.1 NetAct name: FOR_HO_ASS_REQ_ATT
Description:Number of call attempt requests capable of doing a forced HO for a call inprogress. Counter 001010 is updated along with this counter.
Updated:When the RRM receives a TCH request for a call attempt which is capable ofdoing a forced HO for a call in progress. See figures: - Basic call withpriority subscriber - Successful forced handover - Unsuccessful forced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
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Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.57 001056 / QUE ALL ASSIGN REQ ATT
CounterID: 001056
Networkelement name: QUE ALL ASSIGN REQ ATT
Version: 2.1 NetAct name: QUE_ALL_ASS_REQ_ATT
Description:Number of requests for a call attempt with queuing allowed. Counter 001010is updated along with this counter.
Updated:When the RRM receives a TCH request for a call attempt which is allowed toqueue for channels. See figures: - Basic call with counters - SuccessfulTCH queuing - Basic call, no free TCHs, unsuccessful queuing and directedretry not activated - Unsuccessful trunk reservation
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.58 001057 / QUE NALL ASSIGN REQ ATT
CounterID: 001057
Networkelement name: QUE NALL ASSIGN REQ ATT
Version: 2.1 NetAct name: QUE_NALL_ASS_REQ_ATT
Description:Number of requests for a call attempt with queuing not allowed. Counter 001010is updated along with this counter.
Updated:When the RRM receives a TCH request for a call attempt which is not allowedto queue for channels. See figures: - Basic call with counters - Basiccall, no free TCH and queuing or directed retry is not allowed - TCH assignmentfailure with cause switch_circuit_pool, queuing and directed retry not allowed- Unsuccessful trunk reservation
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.59 001058 / FOR REL ASSIGN REQ FAIL
CounterID: 001058
Networkelement name: FOR REL ASSIGN REQ FAIL
Version: 2.1 NetAct name: FOR_REL_ASS_REQ_FAIL
Description:Number of rejected call attempt requests capable of doing a forced releasefor a call in progress. Counters 001011 and 001141 are updated along withthis counter. Reason for the impact: There is no suitable call for releasein the cell or the pre-emption software is not in use in the BSC.
Updated:When the RRM rejects a TCH request for a call attempt which is capable ofdoing a forced release for a call in progress. The high priority TCH requestis rejected because of lack of a suitable call for release or because pre-emptionsoftware is not in use in the BSC. See figure Unsuccessful forced release.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
001141:TCH SEIZ FAILS DUE TO CONG
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.60 001059 / FOR HO ASSIGN REQ FAIL
CounterID: 001059
Networkelement name: FOR HO ASSIGN REQ FAIL
Version: 2.1 NetAct name: FOR_HO_ASS_REQ_FAIL
Description:Number of rejected call attempt requests capable of doing a forced HO fora call in progress. Counters 001011 and 001141 are updated along with thiscounter. Reason for the impact: There is no suitable call for a forced handoverin the cell or the pre-emption software is not in use in the BSC.
Updated:When the RRM rejects a TCH request for a call attempt which is capable ofdoing a forced handover for a call in progress. The high priority TCH requestis rejected because of a lack of suitable calls for a forced handover or becausethe pre-emption software is not in use in the BSC. See figure Unsuccessfulforced handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
001141:TCH SEIZ FAILS DUE TO CONG
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.61 001060 / QUE ALL ASSIGN REQ FAIL
CounterID: 001060
Networkelement name: QUE ALL ASSIGN REQ FAIL
Version: 2.1 NetAct name: QUE_ALL_ASS_REQ_FAIL
Description:Number of rejected call attempt requests with queuing allowed. Counters 001011and 001141 are updated along with this counter. Reason for the impact: Thismay be because of queuing is not allowed in the BTS, or the request is removedfrom the queue because of expiry of a timer, or the request is replaced bya request with higher priority.
Updated:When the RRM rejects a TCH request for a call attempt which is allowed toqueue. See figures: - Basic call, no free TCHs, unsuccessful queuing anddirected retry not activated - Unsuccessful trunk reservation
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.62 001061 / QUE NALL ASSIGN REQ FAIL
CounterID: 001061
Networkelement name: QUE NALL ASSIGN REQ FAIL
Version: 2.1 NetAct name: QUE_NALL_ASS_REQ_FAIL
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Description:Number of rejected call attempt requests with queuing not allowed. Counters001011 and 001141 are updated along with this counter. Reason for the impact:There are no radio resources available.
Updated:When the RRM rejects a TCH request for a call attempt which is not allowedto queue. See figures: - Basic call, no free TCH and queuing or directedretry is not allowed - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful trunk reservation
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
001141:TCH SEIZ FAILS DUE TO CONG
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.63 001062 / FOR REL HO REQ ATT
CounterID: 001062
Networkelement name: FOR REL HO REQ ATT
Version: 2.1 NetAct name: FOR_REL_HO_REQ_ATT
Description:Number of requests for a handover capable of doing a forced release for acall in progress. Counter 001010 is updated along with this counter.
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Updated:When the RRM receives a TCH request for a handover attempt which is capableof doing a forced release for a call in progress. See figure Unsuccessfulforced release with external handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.64 001063 / FOR HO HO REQ ATT
CounterID: 001063
Networkelement name: FOR HO HO REQ ATT
Version: 2.1 NetAct name: FOR_HO_HO_REQ_ATT
Description:Number of requests for a handover capable of doing a forced HO for a callin progress. Counter 001010 is updated along with this counter.
Updated:When the RRM receives a TCH request for a handover attempt which is capableof doing a forced HO for a call in progress. See figure Unsuccessful forcedhandover with external handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.65 001064 / QUE ALL HO REQ ATT
CounterID: 001064
Networkelement name: QUE ALL HO REQ ATT
Version: 2.1 NetAct name: QUE_ALL_HO_REQ_ATT
Description:Number of requests for a handover with queuing allowed. Counter 001010 isupdated along with this counter.
Updated:When the RRM receives a TCH request for a handover attempt which is allowedto queue for radio resources. See figures: - Successful internal intra-cellhandover - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry - Successfulinternal inter-cell handover - Successful external handover, target
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
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Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.66 001065 / QUE NALL HO REQ ATT
CounterID: 001065
Networkelement name: QUE NALL HO REQ ATT
Version: 2.1 NetAct name: QUE_NALL_HO_REQ_ATT
Description:Number of requests for HO with queuing not allowed. Counter 001010 is updatedalong with this counter.
Updated:When the RRM receives a TCH request for a handover attempt which is not allowedto queue for radio resources. See figures: - Successful internal intra-cellhandover - Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed - Successful internal inter-cell handover - Successful externalhandover, target
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.67 001066 / FOR REL HO REQ FAIL
CounterID: 001066
Networkelement name: FOR REL HO REQ FAIL
Version: 2.1 NetAct name: FOR_REL_HO_REQ_FAIL
Description:Number of rejected requests for a handover capable of doing a forced releasefor a call in progress. Counter 001011 is updated along with this counter.Reason for the impact: There is no suitable call for release in the cellor the pre-emption software is not in use in BSC.
Updated:When the RRM rejects a TCH request for a handover attempt which is capableof doing a forced release for a call in progress. The high priority TCH requestis rejected because of a lack of suitable calls for release or because thepre-emption software is not in use in the BSC. See figure Unsuccessful forcedrelease with external handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S3
Definition updatedin release:
2.68 001067 / FOR HO HO REQ FAIL
CounterID: 001067
Networkelement name: FOR HO HO REQ FAIL
Version: 2.1 NetAct name: FOR_HO_HO_REQ_FAIL
Description:Number of rejected requests for a handover capable of doing a forced HO fora call in progress. Counter 001011 is updated along with this counter. Reasonfor the impact: There is no suitable call for a forced handover in the cellor the pre-emption software is not in use in the BSC.
Updated:When the RRM rejects a TCH request for a handover attempt which is capableof doing a forced handover for a call in progress. The high priority TCH requestis rejected because of a lack of suitable calls for a forced handover or becausethe pre-emption software is not in use in the BSC. See figure Unsuccessfulforced handover with external handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.69 001068 / QUE ALL HO REQ FAIL
CounterID: 001068
Networkelement name: QUE ALL HO REQ FAIL
Version: 2.1 NetAct name: QUE_ALL_HO_REQ_FAIL
Description:Number of the rejected requests for a handover with queuing allowed. Counter001011 is updated along with this counter. Reason for the impact: This maybe because queuing is not allowed in the BTS, or the request is removed fromthe queue because of expiry of a timer, or the request is replaced by anotherwith higher priority.
Updated:When the RRM rejects a TCH request for a handover attempt which is allowedto queue. See figure Internal intra-cell handover, unsuccessful TCH queuing.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.70 001069 / QUE NALL HO REQ FAIL
CounterID: 001069
Networkelement name: QUE NALL HO REQ FAIL
Version: 2.1 NetAct name: QUE_NALL_HO_REQ_FAIL
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Description:Number of rejected requests for a handover with queuing not allowed. Counter001011 is updated along with this counter. Reason for the impact: There areno radio resources available.
Updated:When the RRM rejects a TCH request for a handover attempt which is not allowedto queue. See figure Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.71 001070 / FORCED RELEASES
CounterID: 001070
Networkelement name: FORCED RELEASES
Version: 2.1 NetAct name: FORCED_RELEASES
Description:Number of forced releases.
Updated:When the RRM starts to terminate a call in progress forcefully by sendinga release request to the Abis interface. See figure Successful forced release.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.72 001071 / FORCED HANDOVERS
CounterID: 001071
Networkelement name: FORCED HANDOVERS
Version: 2.1 NetAct name: FORCED_HANDOVERS
Description:Number of forced HOs.
Updated:When the RRM receives an acknowledgement from the Handover Attempt Supervisorof the Abis interface to its request for a forced HO. See figure Successfulforced handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC3910:Queuing and Priority
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.73 001072 / SDCCH ACT FAIL CALL
CounterID: 001072
Networkelement name: SDCCH ACT FAIL CALL
Version: 2.1 NetAct name: SDCCH_ACT_FAIL_CALL
Description:Number of SDCCH transactions that are ended because of a failure in the activationof a channel during a call. Impact: Call cleared Reason for the impact:Abis Interface
Updated:When an SDCCH transaction ends because of a failure to activate a channelin the BTS and the RRM releases the SDCCH. This counter is updated in callphases 1-8 only. See figure Unsuccessful SDCCH activation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.74 001073 / NOT RELEVANT
CounterID: 001073
Networkelement name: NOT RELEVANT
Version: 2.0 NetAct name:
Description:Not in use
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.75 001074 / SDCCH ACT FAIL TARGET
CounterID: 001074
Networkelement name: SDCCH ACT FAIL TARGET
Version: 2.1 NetAct name: SDCCH_ACT_FAIL_NEW
Description:Number of SDCCH transactions that are ended because of a failure to activatethe target channel during an SDCCH HO. Impact: HO failure and possibly callcleared Reason for the impact: External / Abis Interface
Updated:When an SDCCH transaction ends because of a failure to activate the targetchannel during a handover attempt and the RRM releases the SDCCH. This counteris updated in call phases 12-14 only. See figure Unsuccessful SDCCH internalintra-cell handover, unsuccessful channel activation.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1003:SDCCH Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.76 001075 / SDCCH ABIS FAIL CALL
CounterID: 001075
Networkelement name: SDCCH ABIS FAIL CALL
Version: 2.1 NetAct name: SDCCH_ABIS_FAIL_CALL
Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface during a call in progress. There is no acknowledgement of channelactivation, no indication of call establishment received, i.e., ghosts. Impact:Call cleared Reason for the impact: External / Abis interface
Updated:When an SDCCH transaction ends because of signalling problems in the Abisinterface and the RRM releases the SDCCH. This counter is updated in callphases 1-8 only. Reasons that trigger the counter: - Phantom RACHs thathave a valid establishment cause. - The BTS can hear the MS, but the MS cannothear the BTS, and so the MS does not respond to the IMMEDIATE ASSIGNMENT messagewith a SABM. - MS is accessing the network at the limit of sensitivity andmessages are lost. - Poor Radio conditions. - MS is accessing network throughanother BTS (co-channel, co-BSIC interference). See figures: - UnsuccessfulSDCCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACK message- Unsuccessful SDCCH activation, timer expires while waiting for PHYSICAL_CONTEXT_CONFIRMmessage - TRX/TSL is blocked with different causes during an SDCCH channelactivation
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.77 001076 / SDCCH ABIS FAIL SOURCE
CounterID: 001076
Networkelement name: SDCCH ABIS FAIL SOURCE
Version: 2.1 NetAct name: SDCCH_ABIS_FAIL_OLD
Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface on the source channel during SDCCH-SDCCH or SDCCH-TCH HO. Impact:HO failure and call cleared Reason for the impact: External / Abis interface.
Updated:When an SDCCH transaction ends because of a failure in the Abis interfaceon the source channel during a handover and the RRM releases the SDCCH.This counter is updated in call phases 9-11 only.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
BSS6115:Radio Channel Allocation Enhancements
BSC1003:SDCCH Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.78 001077 / SDCCH ABIS FAIL TARGET
CounterID: 001077
Networkelement name: SDCCH ABIS FAIL TARGET
Version: 2.1 NetAct name: SDCCH_ABIS_FAIL_NEW
Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface on the target channel during a handover. Impact: HO failure andpossibly call cleared Reason for the impact: External / Abis interface
Updated:When an SDCCH transaction ends because of a failure in the Abis interfaceon the target channel during a handover and the RRM releases the SDCCH.This counter is updated in call phases 12-14 only. See figure UnsuccessfulSDCCH internal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1003:SDCCH Handover
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.79 001078 / SDCCH A IF FAIL CALL
CounterID: 001078
Networkelement name: SDCCH A IF FAIL CALL
Version: 2.1 NetAct name: SDCCH_A_IF_FAIL_CALL
Description:Number of SDCCH transactions ended because of a failure in the A interfaceduring a call attempt. Impact: Call cleared Reason for the impact: External/ A interface. There may be a failure in the SDCCH signalling connection.
Updated:When an SDCCH transaction ends because of signalling problems in the A interfaceduring a call attempt and the RRM releases the SDCCH. This counter is updatedin call phases 1-8 only. See figure SDCCH assignment failure.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.80 001079 / SDCCH A IF FAIL SOURCE
CounterID: 001079
Networkelement name: SDCCH A IF FAIL SOURCE
Version: 2.1 NetAct name: SDCCH_A_IF_FAIL_OLD
Description:Number of SDCCH transactions ended because of a failure in the A interfaceon the source channel during an SDCCH-SDCCH or SDCCH-TCH HO. Impact: HO failureand call cleared Reason for the impact: External / A interface. There maybe a failure in the SDCCH signalling connection.
Updated:When an SDCCH transaction ends because of signalling problems in the A interfaceduring an SDCCH-SDCCH or SDCCH-TCH HO and the RRM releases the SDCCH. Thiscounter is updated in call phases 9-11 only. See figure Unsuccessful SDCCHexternal handover, timer expires while waiting for CLEAR_COMMAND message.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1003:SDCCH Handover
BSC1004:Directed Retry
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.81 001080 / SDCCH A IF FAIL TARGET
CounterID: 001080
Networkelement name: SDCCH A IF FAIL TARGET
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Version: 2.1 NetAct name: SDCCH_A_IF_FAIL_NEW
Description:Number of SDCCH transactions ended because of a failure in the A interfaceon the target channel during an SDCCH HO. Impact: HO failure and call clearedReason for the impact: External / A interface. There may be a failure inthe SDCCH signalling connection.
Updated:When an SDCCH transaction ends because of signalling problems in the A interfaceduring an SDCCH HO and the RRM releases the SDCCH. This counter is updatedin call phases 12-14 only. See figure Unsuccessful SDCCH external handover,timer expires while waiting for CLEAR_COMMAND message
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC1003:SDCCH Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.82 001081 / TCH ACT FAIL CALL
CounterID: 001081
Networkelement name: TCH ACT FAIL CALL
Version: 2.1 NetAct name: TCH_ACT_FAIL_CALL
Description:Number of TCH transactions that are ended because of a failure to activatea channel during a call attempt. Impact: Call cleared
Updated:When a TCH transaction ends because of a failure to activate a channel inthe BTS and the RRM releases the TCH. This counter is updated in call phases1-8 only. See figure Unsuccessful TCH activation.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.83 001082 / NOT RELEVANT
CounterID: 001082
Networkelement name: NOT RELEVANT
Version: 2.0 NetAct name:
Description:Not in use
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S3
Definition updatedin release:
2.84 001083 / TCH ACT FAIL TARGET
CounterID: 001083
Networkelement name: TCH ACT FAIL TARGET
Version: 2.1 NetAct name: TCH_ACT_FAIL_NEW
Description:Number of TCH transactions that are ended because of a failure to activatethe target channel during an SDCCH-TCH or TCH-TCH HO. Impact: HO failureand possibly call cleared Reason for the impact: The RRM receives theCHANNEL_ACTIVATION_NACKmessage.
Updated:When a TCH transaction ends because of a failure to activate the target channelduring a TCH HO attempt and the RRM releases the TCH. This counter is updatedin call phases 12-14 only. See figure Unsuccessful internal inter-cell handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.85 001084 / TCH ABIS FAIL CALL
CounterID: 001084
Networkelement name: TCH ABIS FAIL CALL
Version: 2.1 NetAct name: TCH_ABIS_FAIL_CALL
Description:Number of TCH transactions ended because of a failure in the Abis interfaceduring a call in progress. Impact: Call cleared Reason for the impact: External/ Abis Interface The signalling problems may include missing acknowledgementof channel activation, missing indication of call establishment, receipt ofan error indication, corrupted messages, missing measurement results fromthe BTS, excessive timing advance or some internal reasons. These failurescan also contain situations when the timer T3109 expires in a BSC in callrelease phase while waiting for the Release Indication. The MS subscriberdoes not see these failures caused by the T3109 expiry as real drop calls.
Updated:When a TCH transaction ends because of signalling problems in the Abis interfaceand the RRM releases the TCH. This counter is updated in call phases 1-8or 15 only. See figures: - Unsuccessful TCH activation, timer expires whilewaiting for CHANNEL_ACTIVATION_ACK message - TRX or TSL is blocked with differentcauses during a call - Dropped call between ASSIGNMENT COMPLETE and RF CHANNELRELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.86 001085 / TCH ABIS FAIL SOURCE
CounterID: 001085
Networkelement name: TCH ABIS FAIL SOURCE
Version: 2.1 NetAct name: TCH_ABIS_FAIL_OLD
Description:Number of TCH transactions ended because of a failure in the Abis interfaceon the source channel during a TCH HO. Impact: HO failure and call clearedReason for the impact: External / Abis Interface
Updated:When a TCH transaction ends because of a failure in the Abis interface onthe source channel during a TCH HO and the RRM releases the TCH. This counteris updated in call phases 9-11 only.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.87 001086 / TCH ABIS FAIL NEW
CounterID: 001086
Networkelement name: TCH ABIS FAIL NEW
Version: 2.1 NetAct name: TCH_ABIS_FAIL_NEW
Description:Number of TCH transactions ended because of a failure in the Abis interfaceon the new channel during a TCH handover. Impact: HO failure and possiblycall cleared Reason for the impact: External / Abis Interface
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Updated:When a TCH transaction ends because of a failure in the Abis interface onthe new channel during a TCH handover and the RRM releases the TCH. Thiscounter is updated in call phases 12-14 only. See figure Unsuccessful internalintra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.88 001087 / TCH A IF FAIL CALL
CounterID: 001087
Networkelement name: TCH A IF FAIL CALL
Version: 2.1 NetAct name: TCH_A_IF_FAIL_CALL
Description:Number of TCH transactions ended because of a failure in the A interface duringa call in progress. Impact: Call cleared Reason for the impact: External/ A interface. The signalling problems may include the CLEAR_COMMAND messagefrom the MSC during the call setup phase before the MSC receives an indicationof the completion of the assignment from the MS and the ABNORMAL_CLEAR_RECEIVED_DUE_TO_A_INTERFACEmessage (reset circuit, SCCP cleared by RLSD).
Updated:When a TCH transaction ends because of signalling problems in the A interfaceduring a call and the RRM releases the TCH. This counter is updated in callphases 1-8 or 15 only. See figure TCH assignment failure, MSC sends CLEAR_COMMANDmessage.
Logicaltype: Sum
Trigger type: Event Sampling interval:
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Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.89 001088 / TCH A IF FAIL SOURCE
CounterID: 001088
Networkelement name: TCH A IF FAIL SOURCE
Version: 2.1 NetAct name: TCH_A_IF_FAIL_OLD
Description:Number of TCH transactions ended because of a failure in the A interface onthe source channel during a handover attempt. Impact: HO failure and callcleared Reason for the impact: External / A interface
Updated:When a TCH transaction ends because of an A interface failure (HO failure)on the source channel during a TCH HO attempt and the RRM releases the TCH.This counter is updated in the source cell. If the target cell lies withinthe same BSC, also counter 001015 in the target cell is updated along withthis counter. This counter is also updated if the MS fails to return tothe old channel during an inter-BSC handover. This counter is updated inphases 9-11 only. See figure Unsuccessful external handover, source BSC,timer expires while waiting for CLEAR_COMMAND message.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001015:TRANSACTIONS ENDED DUE TARGET CHANNEL FAIL
Operability class:
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Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
2.90 001089 / TCH A IF FAIL NEW
CounterID: 001089
Networkelement name: TCH A IF FAIL NEW
Version: 2.1 NetAct name: TCH_A_IF_FAIL_NEW
Description:Number of TCH transactions ended because of a failure in the A interface onthe new channel during a handover attempt. Impact: HO failure, the callmay possibly be cleared Reason for the impact: External / A interface
Updated:When a TCH transaction ends because of a failure in the A interface (HO failure)on the new channel during a handover attempt and the RRM releases the TCH.This counter is updated in call phases 12-14 only. See figure Unsuccessfulexternal handover, MS sends a handover failure.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S3
Definition updatedin release:
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2.91 001090 / TCH REQ UND OVER
CounterID: 001090
Networkelement name: TCH REQ UND OVER
Version: 2.1 NetAct name: TCH_REQUEST_UND_OVER
Description:Number of TCH requests for an underlay overlay HO. Updated only to normalTRX record, not to extended TRX record. Counter 001010 is updated along withthis counter.
Updated:When the RRM receives a TCH request for an underlay overlay HO. See figures:- Successful internal intra-cell handover - Internal intra-cell HO, successfulTCH queuing - Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed - Internal directed retry - Successful internal inter-cellhandover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSC4016:Intelligent Underlay-Overlay
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S4
Definition updatedin release:
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2.92 001091 / TCH SEIZ UND OVER
CounterID: 001091
Networkelement name: TCH SEIZ UND OVER
Version: 2.1 NetAct name: TCH_SEIZ_UND_OVER
Description:Number of TCH seizures for an underlay overlay HO. Counter 001008 is updatedalong with this counter.
Updated:When the RRM allocates a TCH as a response to a TCH request for an underlayoverlay HO. Updated only to normal TRX record, not to extended TRX record.See figures: - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Successful internal inter-cell handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
Operability class:
Relatedto feature:
BSC4016:Intelligent Underlay-Overlay
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S4
Definition updatedin release:
2.93 001092 / TCH REJ REQ UND OVE
CounterID: 001092
Networkelement name: TCH REJ REQ UND OVE
Version: 2.1 NetAct name: TCH_REJ_UND_OVER
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Description:Number of TCH requests for an underlay overlay HO rejected because of a lackof resources. Counter 001011 is updated along with this counter.
Updated:When the RRM rejects a TCH request for an underlay overlay HO because of lackof resources. Updated only to normal TRX record, not to extended TRX record.See figure Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
Operability class:
Relatedto feature:
BSC4016:Intelligent Underlay-Overlay
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S4
Definition updatedin release:
2.94 001093 / SUCC MOC TEST CALL
CounterID: 001093
Networkelement name: SUCC MOC TEST CALL
Version: 2.1 NetAct name: SUCC_MOC_TEST_CALL
Description:Number of successful MOC test calls during a scheduled test.
Updated:When the RRM receives a message from the BTTEST.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
Operability class:
Relatedto feature:
BSC4531:BTS Testing: Scheduled MOC
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S4
Definition updatedin release:
2.95 001094 / FAIL MOC TEST CALL
CounterID: 001094
Networkelement name: FAIL MOC TEST CALL
Version: 2.1 NetAct name: FAIL_MOC_TEST_CALL
Description:Number of unsuccessful MOC test calls during a scheduled test.
Updated:When the RRM receives a message from the BTTEST.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSC4531:BTS Testing: Scheduled MOC
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Exceptionsto related standard:
Usedfrom release: S4
Definition updatedin release:
2.96 001095 / PRI SUBSCR TCH REQ
CounterID: 001095
Networkelement name: PRI SUBSCR TCH REQ
Version: 2.1 NetAct name: TCH_PRI_SUBSCR_REQ
Description:Number of TCH requests of the type priority subscriber. Counter 001010 isupdated along with this counter.
Updated:When the RRM receives a TCH request either in a call or HO attempt and theMS priority level in the priority information element (PIE) indicates thatthe MS is a priority subscriber. See figures: - Basic call with prioritysubscriber - Unsuccessful forced release - Unsuccessful forced release withexternal handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSS5190:Enhanced Trunk Reservation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.97 001096 / PRI SUBSCR SUCC TCH SEIZ
CounterID: 001096
Networkelement name: PRI SUBSCR SUCC TCH SEIZ
Version: 2.1 NetAct name: TCH_PRI_SUBSCR_SUCC_SEIZ
Description:Number of successful TCH seizures of the type priority subscriber. Counter001008 or 001009 is updated along with this counter.
Updated:When the RRM allocates a TCH as a response to a TCH request in either a callor HO attempt and the MS priority level in the priority information element(PIE) indicates that the MS is a priority subscriber. See figure Basic callwith priority subscriber.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
Operability class:
Relatedto feature:
BSS5190:Enhanced Trunk Reservation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.98 001097 / NO PRI SUBSCR REFUSED TCH REQ
CounterID: 001097
Networkelement name: NO PRI SUBSCR REFUSED TCH REQ
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Version: 2.1 NetAct name: TCH_NO_PRI_SUBSCR_REFUSED_REQ
Description:Number of TCH requests of the type non-priority subscriber that are rejectedbecause there are no resources available to subscribers other than prioritysubscribers. Counter 001042 is updated along with this counter.
Updated:When the RRM rejects a TCH request because of no resources available to subscribersother than priority subscribers. See figure Unsuccessful trunk reservation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001042:TRUNK RES INVOC RES REFUSED
Operability class:
Relatedto feature:
BSS5190:Enhanced Trunk Reservation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.99 001098 / TCH SEIZ ATT DUE SDCCH CON
CounterID: 001098
Networkelement name: TCH SEIZ ATT DUE SDCCH CON
Version: 2.1 NetAct name: TCH_SEIZ_ATT_DUE_SDCCH_CON
Description:Number of attempts to seize a TCH because of SDCCH congestion. Counters 001010and 001043 are updated along with this counter.
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Updated:When the RRM attempts to allocate a TCH as a response to a request for anSDCCH seizure during SDCCH congestion. The RRM does this if the TCH allocation(=FACCH setup) is allowed in the message carrying the request for the SDCCHseizure. See figures: - FACCH call setup due to SDCCH congestion with counters- FACCH call setup because of SDCCH congestion
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
001043:TCH REQ FACCH CALLSET
Operability class:
Relatedto feature:
BSS5290:FACCH Call Setup due to SDCCH Congestion
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.100 001099 / TCH SEIZ DUE SDCCH CON
CounterID: 001099
Networkelement name: TCH SEIZ DUE SDCCH CON
Version: 2.1 NetAct name: TCH_SEIZ_DUE_SDCCH_CON
Description:Number of successful TCH seizures because of congestion on the SDCCH. Thiscounter is updated along with counter 001044.
Updated:When the RRM allocates a TCH as a response to a request for SDCCH seizureduring congestion on the SDCCHs. The RRM allocates a TCH if the TCH allocation(=FACCH setup) is allowed in the message carrying the request for the SDCCHseizure. See figure FACCH call setup due to SDCCH congestion with counters.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001044:TCH SEIZ FACCH CALL SET
Operability class:
Relatedto feature:
BSS5290:FACCH Call Setup due to SDCCH Congestion
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.101 001100 / TRUNK TCH REJECTED FR REQ
CounterID: 001100
Networkelement name: TRUNK TCH REJECTED FR REQ
Version: 2.1 NetAct name: TCH_TRUNK_REFUSED_FR_REQ
Description:Number of requests for trunk reservation function that result in the rejectionof TCH allocation when FR or preferred FR TCH has been requested. Counter001042 is updated along with this counter.
Updated:When the RRM denies access by applying the trunk reservation function andFR or preferred FR TCH has been requested. See figure Unsuccessful trunkreservation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001042:TRUNK RES INVOC RES REFUSED
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Operability class:
Relatedto feature:
BSS5190:Enhanced Trunk Reservation
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.102 001101 / TRUNK TCH REJECTED HR REQ
CounterID: 001101
Networkelement name: TRUNK TCH REJECTED HR REQ
Version: 2.1 NetAct name: TCH_TRUNK_REFUSED_HR_REQ
Description:Number of requests for trunk reservation function that result in rejectionof TCH allocation when HR or preferred HR TCH has been requested. Counter001042 is updated along with this counter.
Updated:When the RRM denies access by applying the trunk reservation function andHR or preferred HR TCH has been requested. See figure Unsuccessful trunkreservation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001042:TRUNK RES INVOC RES REFUSED
Operability class:
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Relatedto feature:
BSS5190:Enhanced Trunk Reservation
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.103 001102 / FULL TCH REQ SUCC UNSUCC
CounterID: 001102
Networkelement name: FULL TCH REQ SUCC UNSUCC
Version: 2.1 NetAct name: TCH_FULL_REQ_SUCC_UNSUCC
Description:Number of requests for FR TCH (both successful and unsuccessful). Counter001010 is updated along with this counter.
Updated:When the RRM receives a TCH request either in a call or in a handover attemptand FR TCH channel is requested. NOTE! This counter is updated when thechannel rate of the requested TCH is defined to be FR only; the type of theTCH may be limited either by an assignment request or a handover request fromthe A interface, or it may be because of the BSC restricting the selectionof channel type in TCH allocation. See figures: - Basic call with counters- Basic call with priority subscriber - Basic call, no free TCH and queuingor directed retry is not allowed - Successful TCH queuing - Basic call,no free TCHs, unsuccessful queuing and directed retry not activated - Unsuccessfultrunk reservation - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Unsuccessful underlay overlay internal intra-cellhandover, queuing not allowed - Internal intra-cell handover, unsuccessfulTCH queuing - Internal directed retry - Successful internal inter-cell handover- Successful external handover, target - Successful forced release - Unsuccessfulforced release - Unsuccessful forced release with external handover - Successfulforced handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.104 001103 / HALF TCH REQ SUCC UNSUCC
CounterID: 001103
Networkelement name: HALF TCH REQ SUCC UNSUCC
Version: 2.1 NetAct name: TCH_HALF_REQ_SUCC_UNSUCC
Description:Number of requests for HR TCH requests (both successful and unsuccessful).Counter 001010 is updated along with this counter.
Updated:When the RRM receives a TCH request either in a call or HO attempt and HRTCH channel is requested. NOTE! This counter is updated when the channel rateof the requested TCH is defined to be HR only; the type of the TCH may belimited either by an assignment request or a handover request from the A interface,or it may be because of the BSC restricting the selection of channel typein TCH allocation. See figures: - Basic call with counters - Basic callwith priority subscriber - Basic call, no free TCH and queuing or directedretry is not allowed - Successful TCH queuing - Basic call, no free TCHs,unsuccessful queuing and directed retry not activated - Unsuccessful trunkreservation - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Unsuccessful underlay overlay internal intra-cellhandover, queuing not allowed - Internal intra-cell handover, unsuccessfulTCH queuing - Internal directed retry - Successful internal inter-cell handover- Successful external handover, target - Successful forced release - Unsuccessfulforced release - Unsuccessful forced release with external handover - Successfulforced handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.105 001104 / TCH REQ FULL PREFERRED
CounterID: 001104
Networkelement name: TCH REQ FULL PREFERRED
Version: 2.1 NetAct name: TCH_FULL_REQ_PREFERRED
Description:Number of TCH requests with FR preferred (both successful and unsuccessful).Counter 001010 is updated along with this counter.
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Updated:When the RRM receives a TCH request either in a call or HO attempt and FRor HR TCH channel is requested alternatively with FR preferred. NOTE! Thepreferred channel rate can be defined either by an assignment request or HOrequest received from the A interface or by software which is activated onthe BSC for controlling the selection of the channel type in TCH allocation.In the latter case the preferred channel type can be quite the opposite tothe one initially set by the MSC. See figures: - Basic call with counters- Basic call with priority subscriber - Basic call, no free TCH and queuingor directed retry is not allowed - Successful TCH queuing - Basic call,no free TCHs, unsuccessful queuing and directed retry not activated - TCHassignment failure with cause switch_circuit_pool, queuing and directed retrynot allowed - Unsuccessful trunk reservation - Successful internal intra-cellhandover - Internal intra-cell HO, successful TCH queuing - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Internal directed retry- Successful internal inter-cell handover - Successful external handover,target - Successful forced release - Unsuccessful forced release - Unsuccessfulforced release with external handover - Successful forced handover - Unsuccessfulforced handover - Unsuccessful forced handover with external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.106 001105 / TCH REQ HALF PREFERRED
CounterID: 001105
Networkelement name: TCH REQ HALF PREFERRED
Version: 2.1 NetAct name: TCH_HALF_REQ_PREFERRED
Description:Number of TCH requests with HR preferred (both successful and unsuccessful).Counter 001010 is updated along with this counter.
Updated:When the RRM receives a TCH request either in a call or HO attempt and FRor HR TCH channel is requested alternatively with HR preferred. NOTE! Thepreferred channel rate can be defined either by assignment request or HO requestreceived from the A interface or by softwares which are activated on the BSCfor controlling the selection of the channel type in TCH allocation. In thelatter case the preferred channel type can be quite the opposite to the oneinitially set by the MSC. See figures: - Basic call with counters - Basiccall with priority subscriber - Basic call, no free TCH and queuing or directedretry is not allowed - Successful TCH queuing - Basic call, no free TCHs,unsuccessful queuing and directed retry not activated - TCH assignment failurewith cause switch_circuit_pool, queuing and directed retry not allowed -Unsuccessful trunk reservation - Successful internal intra-cell handover- Internal intra-cell HO, successful TCH queuing - Unsuccessful underlayoverlay internal intra-cell handover, queuing not allowed - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry - Successfulinternal inter-cell handover - Successful external handover, target - Successfulforced release - Unsuccessful forced release - Unsuccessful forced releasewith external handover - Successful forced handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S5
Definition updatedin release:
2.107 001106 / SUCC FULL TCH SEIZ
CounterID: 001106
Networkelement name: SUCC FULL TCH SEIZ
Version: 2.1 NetAct name: TCH_FULL_SUCC_SEIZ
Description:Number of successful FR TCH seizures. Either counter 001008 or counter 001009is updated along with this counter.
Updated:When the RRM allocates an FR TCH as a response to a TCH request. See figures:- Basic call with counters - Basic call with priority subscriber - SuccessfulTCH queuing - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Successful internal inter-cell handover - Successfulexternal handover, target - Successful forced release - Successful forcedhandover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.108 001107 / SUCC HALF TCH SEIZ
CounterID: 001107
Networkelement name: SUCC HALF TCH SEIZ
Version: 2.1 NetAct name: TCH_HALF_SUCC_SEIZ
Description:Number of successful HR TCH seizures. Either counter 001008 or counter 001009is updated along with this counter.
Updated:When the RRM allocates an HR TCH as a response to a TCH request. See figures:- Basic call with counters - Basic call with priority subscriber - SuccessfulTCH queuing - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Successful internal inter-cell handover - Successfulexternal handover, target - Successful forced release - Successful forcedhandover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.109 001108 / FULL TCH SEIZ SPEECH VER 1
CounterID: 001108
Networkelement name: FULL TCH SEIZ SPEECH VER 1
Version: 2.1 NetAct name: TCH_FULL_SEIZ_SPEECH_VER1
Description:Number of successful FR TCH seizures when speech FR version 1 is in use.
Updated:When an FR TCH allocated for speech is released and the FR codec version 1is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.110 001109 / FULL TCH SEIZ SPEECH VER 2
CounterID: 001109
Networkelement name: FULL TCH SEIZ SPEECH VER 2
Version: 2.1 NetAct name: TCH_FULL_SEIZ_SPEECH_VER2
Description:Number of successful FR TCH seizures when speech FR version 2 is in use.
Updated:When an FR TCH allocated for speech is released and the FR codec version 2is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.111 001110 / FULL TCH SEIZ SPEECH VER 3
CounterID: 001110
Networkelement name: FULL TCH SEIZ SPEECH VER 3
Version: 2.1 NetAct name: TCH_FULL_SEIZ_SPEECH_VER3
Description:Number of successful FR TCH seizures when speech FR version 3 is in use.
Updated:When an FR TCH allocated for speech is released and the FR codec version 3is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.112 001111 / HALF TCH SEIZ SPEECH VER 1
CounterID: 001111
Networkelement name: HALF TCH SEIZ SPEECH VER 1
Version: 2.1 NetAct name: TCH_HALF_SEIZ_SPEECH_VER1
Description:Number of successful HR TCH seizures when speech FR version 1 is in use.
Updated:When an HR TCH allocated for speech is released and the HR codec version 1is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.113 001112 / HALF TCH SEIZ SPEECH VER 2
CounterID: 001112
Networkelement name: HALF TCH SEIZ SPEECH VER 2
Version: 2.1 NetAct name: TCH_HALF_SEIZ_SPEECH_VER2
Description:Number of successful HR TCH seizures when speech FR version 2 is in use.
Updated:When an HR TCH allocated for speech is released and the HR codec version 2is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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Counters of Traffic Measurement
2.114 001113 / HALF TCH SEIZ SPEECH VER 3
CounterID: 001113
Networkelement name: HALF TCH SEIZ SPEECH VER 3
Version: 2.1 NetAct name: TCH_HALF_SEIZ_SPEECH_VER3
Description:Number of successful HR TCH seizures when speech FR version 3 is in use.
Updated:When an HR TCH allocated for speech is released and the HR codec version 3is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.115 001114 / FULL TCH SEIZ NORM ASSIGNMENT
CounterID: 001114
Networkelement name: FULL TCH SEIZ NORM ASSIGNMENT
Version: 2.1 NetAct name: TCH_FULL_SEIZ_NORM_ASS
Description:Number of successful FR TCH seizures for a normal assignment. Counter 001009is updated along with this counter.
Updated:When the RRM allocates an FR TCH as a response to a TCH request in a callattempt. See figures: - Basic call with counters - Basic call with prioritysubscriber - Successful TCH queuing - Successful forced release - Successfulforced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.116 001115 / HALF TCH SEIZ NORM ASSIGNMENT
CounterID: 001115
Networkelement name: HALF TCH SEIZ NORM ASSIGNMENT
Version: 2.1 NetAct name: TCH_HALF_SEIZ_NORM_ASS
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Description:Number of successful HR TCH seizures for a normal assignment. Counter 001009is updated along with this counter.
Updated:When the RRM allocates an HR TCH as a response to a TCH request in a callattempt. See figures: - Basic call with counters - Basic call with prioritysubscriber - Successful TCH queuing - Successful forced release - Successfulforced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.117 001116 / FULL TCH SEIZ INT HO CH RATE
CounterID: 001116
Networkelement name: FULL TCH SEIZ INT HO CH RATE
Version: 2.1 NetAct name: TCH_FULL_SEIZ_INT_HO_CH_RATE
Description:Number of successful FR TCH seizures for an internal HO when the channel ratechanges. Counters 001008 and 001106 are updated along with this counter.
Updated:When the RRM allocates an FR TCH for an internal HO as a response to a TCHrequest and the channel rate is changed from HR to FR. See figures: - Successfulinternal intra-cell handover - Internal intra-cell HO, successful TCH queuing- Successful internal inter-cell handover
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001106:SUCC FULL TCH SEIZ
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.118 001117 / HALF TCH SEIZ INT HO CH RATE
CounterID: 001117
Networkelement name: HALF TCH SEIZ INT HO CH RATE
Version: 2.1 NetAct name: TCH_HALF_SEIZ_INT_HO_CH_RATE
Description:Number of successful HR TCH seizures for an internal HO when the channel ratechanges. Counters 001008 and 001107 are updated along with this counter.
Updated:When the RRM allocates an HR TCH for an internal HO as a response to a TCHrequest and the channel rate is changed from FR to HR. See figures: - Successfulinternal intra-cell handover - Internal intra-cell HO, successful TCH queuing- Successful internal inter-cell handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Counters of Traffic Measurement
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001107:SUCC HALF TCH SEIZ
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.119 001118 / REJ TCH REQ DUE LACK FR
CounterID: 001118
Networkelement name: REJ TCH REQ DUE LACK FR
Version: 2.1 NetAct name: TCH_REJ_REQ_DUE_LACK_FR
Description:Number of TCH requests that are rejected because of a lack of resources whenFR or preferred FR TCH is requested. Counter 001011 is updated along withthis counter.
Updated:When no TCHs are available when requested from the RRM either in a call orHO attempt and either FR or preferred FR TCH was requested. The counter maybe updated immediately after the TCH request or, in case of queuing, afterthe queuing timer expires. See figures: - Basic call, no free TCH and queuingor directed retry is not allowed - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - TCH assignment failure with causeswitch_circuit_pool, queuing and directed retry not allowed - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Unsuccessful forced release- Unsuccessful forced release with external handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
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Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.120 001119 / REJ TCH REQ DUE LACK HR
CounterID: 001119
Networkelement name: REJ TCH REQ DUE LACK HR
Version: 2.1 NetAct name: TCH_REJ_REQ_DUE_LACK_HR
Description:Number of TCH requests that are rejected because of a lack of resources, whenHR or preferred HR TCH is requested. Counter 001011 is updated along withthis counter.
Updated:When no TCHs are available when requested from the RRM either in a call orHO attempt and either HR or preferred HR TCH was requested. The counter maybe updated immediately after the TCH request or, in case of queuing afterthe queuing, timer expires. See figures: - Basic call, no free TCH andqueuing or directed retry is not allowed - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - TCH assignment failure with causeswitch_circuit_pool, queuing and directed retry not allowed - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Unsuccessful forced release- Unsuccessful forced release with external handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Counters of Traffic Measurement
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.121 001120 / FULL TCH REJ DUE HR TRAF
CounterID: 001120
Networkelement name: FULL TCH REJ DUE HR TRAF
Version: 2.1 NetAct name: TCH_FULL_REJ_DUE_HR_TRAF
Description:Number of requests for FR TCHs that are rejected because of HR traffic, whetherqueuing occurred or not.
Updated:When no FR TCH is available in a situation where HR calls are being maintainedin DR TSLs and there are free HR TCHs among the DR or permanent HR resourcesfor at least two HR calls. NOTE! The counter is incremented on receipt ofthe request for the FR TCH, regardless of whether the request is set in thequeue, pre-empted, subjected to directed retry or some other procedure ofthe kind. See figures: - FACCH call setup due to SDCCH congestion, no freeTCH channel - Basic call, no free TCH and queuing or directed retry is notallowed - Successful TCH queuing - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - Unsuccessful trunk reservation- Internal intra-cell HO, successful TCH queuing - Unsuccessful underlayoverlay internal intra-cell handover, queuing not allowed - Internal intra-cellhandover, unsuccessful TCH queuing - Successful forced release - Unsuccessfulforced release - Unsuccessful forced release with external handover - Successfulforced handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
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Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.122 001121 / HALF TCH REJ DUE FR TRAF
CounterID: 001121
Networkelement name: HALF TCH REJ DUE FR TRAF
Version: 2.1 NetAct name: TCH_HALF_REJ_DUE_FR_TRAF
Description:Number of requests for HR TCHs that are rejected because of FR traffic, whetherqueuing occurred or not.
Updated:When no HR TCH is available in a situation where a FR call is being maintainedin a DR TSL and at the same time there is a permanent FR type TSL free.NOTE! The counter is incremented on receipt of the request for HR TCH, regardlessof whether the request is set in the queue, pre-empted, subjected to directedretry or some other procedure of the kind See figures: - FACCH call setupdue to SDCCH congestion, no free TCH channel - Basic call, no free TCH andqueuing or directed retry is not allowed - Successful TCH queuing - Basiccall, no free TCHs, unsuccessful queuing and directed retry not activated- Unsuccessful trunk reservation - Internal intra-cell HO, successful TCHqueuing - Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed - Internal intra-cell handover, unsuccessful TCH queuing - Successfulforced release - Unsuccessful forced release - Unsuccessful forced releasewith external handover - Successful forced handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Counters of Traffic Measurement
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.123 001122 / TCH REJ DUE REQ CH A IF CRC
CounterID: 001122
Networkelement name: TCH REJ DUE REQ CH A IF CRC
Version: 2.1 NetAct name: TCH_REJ_DUE_REQ_CH_A_IF_CRC
Description:Number of requests for TCHs that are rejected because of a mismatch betweenthe types of the requested channel and the A interface circuit, whether queuingoccurred or not. Counter 001011 and counter 001118 or 001119 are updatedalong with this counter.
Updated:When the RRM changes the A interface circuit pool before TCH allocation.See figure TCH assignment failure with cause switch_circuit_pool, queuingand directed retry not allowed.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
001118:REJ TCH REQ DUE LACK FR
001119:REJ TCH REQ DUE LACK HR
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Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.124 001123 / FULL TCH REQ FACCH CALL
CounterID: 001123
Networkelement name: FULL TCH REQ FACCH CALL
Version: 2.1 NetAct name: TCH_FULL_REQ_FAST_CALL
Description:Number of requests for FR TCH in FACCH call setup during SDCCH congestion(both successful and unsuccessful). Counters 001010, 001043 and 001098 areupdated along with this counter.
Updated:When the RRM receives a request for SDCCH allocation but no idle SDCCHs existand TCH allocation (=FACCH call setup) is allowed in the request which alsoindicates that the TCH rate should be FR. See figures: - FACCH call setupdue to SDCCH congestion with counters - FACCH call setup due to SDCCH congestion,no free TCH channel
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
001043:TCH REQ FACCH CALLSET
001098:TCH SEIZ ATT DUE SDCCH CON
Operability class:
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Counters of Traffic Measurement
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.125 001124 / TCH FACCH CALL CH RATE NOT DEF
CounterID: 001124
Networkelement name: TCH FACCH CALL CH RATE NOT DEF
Version: 2.1 NetAct name: TCH_FAST_CALL_CH_RATE_NOT_DET
Description:Number of requests for TCHs in FACCH call setup during SDCCH congestion whenthe TCH rate is not defined to be uniquely FR or HR (both successful and unsuccessful).Counters 001010, 001043 and 001098 are updated along with this counter.
Updated:When the RRM receives a request for SDCCH allocation but no idle SDCCHs existand TCH allocation (=FACCH call setup) is allowed in the request which alsoindicates that either of the two possible channel rates is accepted to beallocated. See figures: - FACCH call setup due to SDCCH congestion withcounters - FACCH call setup due to SDCCH congestion, no free TCH channel
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
001043:TCH REQ FACCH CALLSET
001098:TCH SEIZ ATT DUE SDCCH CON
Operability class:
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Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.126 001125 / SUCC FULL TCH SEIZ FACCH CALL
CounterID: 001125
Networkelement name: SUCC FULL TCH SEIZ FACCH CALL
Version: 2.1 NetAct name: TCH_SUCC_FULL_SEIZ_FAST_CALL
Description:Number of successful FR TCHs seizures for a FACCH call setup. Counter 001044is updated along with this counter.
Updated:When the RRM allocates an FR TCH as a response to an SDCCH request as partof the FACCH call setup during SDCCH congestion. See figure FACCH call setupdue to SDCCH congestion with counters.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001044:TCH SEIZ FACCH CALL SET
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Counters of Traffic Measurement
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.127 001126 / SUCC HALF TCH SEIZ FACCH CALL
CounterID: 001126
Networkelement name: SUCC HALF TCH SEIZ FACCH CALL
Version: 2.1 NetAct name: TCH_SUCC_HALF_SEIZ_FAST_CALL
Description:Number of successful HR TCHs seizures for a FACCH call setup. Counter 001044is updated along with this counter.
Updated:When the RRM allocates an HR TCH as a response to an SDCCH request as partof the FACCH call setup during SDCCH congestion. See figure FACCH call setupdue to SDCCH congestion with counters.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001044:TCH SEIZ FACCH CALL SET
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.128 001127 / ENDED DUE TRANSC FR RATE 1
CounterID: 001127
Networkelement name: ENDED DUE TRANSC FR RATE 1
Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_FR_RATE1
Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech FR version 1 is in use.
Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the FR codec version 1 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.129 001128 / ENDED DUE TRANSC FR RATE 2
CounterID: 001128
Networkelement name: ENDED DUE TRANSC FR RATE 2
Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_FR_RATE2
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Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech FR version 2 is in use.
Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the FR codec version 2 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.130 001129 / ENDED DUE TRANSC FR RATE 3
CounterID: 001129
Networkelement name: ENDED DUE TRANSC FR RATE 3
Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_FR_RATE3
Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech FR version 3 is in use.
Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the FR codec version 3 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.131 001130 / ENDED DUE TRANSC HR RATE 1
CounterID: 001130
Networkelement name: ENDED DUE TRANSC HR RATE 1
Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_HR_RATE1
Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech HR version 1 is in use.
Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the HR codec version 1 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
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Counters of Traffic Measurement
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.132 001131 / ENDED DUE TRANSC HR RATE 2
CounterID: 001131
Networkelement name: ENDED DUE TRANSC HR RATE 2
Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_HR_RATE2
Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech HR version 2 is in use.
Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the HR codec version 2 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
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2.133 001132 / ENDED DUE TRANSC HR RATE 3
CounterID: 001132
Networkelement name: ENDED DUE TRANSC HR RATE 3
Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_HR_RATE3
Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech HR version 3 is in use.
Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the HR codec version 3 is in use. See figures: - CONNECTION_FAILURE messagewith cause transcoder_failure during a call - Unsuccessful internal intra-cellhandover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.134 001133 / FULL TCH TR FAIL
CounterID: 001133
Networkelement name: FULL TCH TR FAIL
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Version: 2.1 NetAct name: TCH_FULL_TR_FAIL
Description:Total number of FR TCH transaction failures.
Updated:When an FR TCH transaction ends because of any abnormal reason, that is, somespecific failure counter has been updated, and the RRM releases the FR TCH.See figures: - Unsuccessful TCH activation - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure - TCH assignment failure, MSC sends CLEAR_COMMAND message -CONNECTION_FAILUREmessage with cause transcoder_failure during a call - TRX or TSL is blockedwith different causes during a call - Unsuccessful internal intra-cell handover,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessfulinternal intra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel - Unsuccessful internal intra-cell handover,timer expires on the source channel, call cleared - Unsuccessful internalinter-cell handover - Unsuccessful external handover, source BSC, timer expireswhile waiting for CLEAR_COMMAND message - Unsuccessful external handover,MS sends a handover failure - Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.135 001134 / HALF TCH TR FAIL
CounterID: 001134
Networkelement name: HALF TCH TR FAIL
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Version: 2.1 NetAct name: TCH_HALF_TR_FAIL
Description:Total number of HR TCH transaction failures.
Updated:When an HR TCH transaction ends because of any abnormal reason, that is, somespecific failure counter has been updated, and the RRM releases the HR TCH.See figures: - Unsuccessful TCH activation - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure - TCH assignment failure, MSC sends CLEAR_COMMAND message -CONNECTION_FAILUREmessage with cause transcoder_failure during a call - TRX or TSL is blockedwith different causes during a call - Unsuccessful internal intra-cell handover,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessfulinternal intra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel - Unsuccessful internal intra-cell handover,timer expires on the source channel, call cleared - Unsuccessful internalinter-cell handover - Unsuccessful external handover, source BSC, timer expireswhile waiting for CLEAR_COMMAND message - Unsuccessful external handover,MS sends a handover failure - Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS5010:Half Rate
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S5
Definition updatedin release:
2.136 001135 / SDCCH SEIZ ATT FOR MOC
CounterID: 001135
Networkelement name: SDCCH SEIZ ATT FOR MOC
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Version: 2.1 NetAct name: SDCCH_MOC_SEIZ_ATT
Description:Number of SDCCH seizure attempts for an MOC. In case of an external handoverand handovers after external handover this counter is not incremented. Incase of an intra-cell or inter-cell (SDCCH to SDCCH) handover this counteris updated. Counter 001000 is updated along with this counter.
Updated:When the RRM receives a request for a SDCCH from an MS because the MS needsa channel for an MOC. Note that this counter contains all requests for anSDCCH in originating direction, for example Mobile Originating calls, LocationUpdates, Supplementary Service requests and SMS on SDCCH. In case of an SMSthis counter is triggered even if the SMS would eventually be sent on TCHinstead of SDCCH. See figures: - Basic call with counters - FACCH callsetup due to SDCCH congestion with counters - FACCH call setup due to SDCCHcongestion, no free TCH channel - SDCCH congestion, FACCH call setup is notactivated - Successful SDCCH internal intra-cell handover - Successful SDCCHinternal inter-cell handover - Reconfiguration from TCH to SDCCH
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001000:SEIZURE ATTEMPTS
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.137 001136 / SDCCH SEIZ ATT FOR MTC
CounterID: 001136
Networkelement name: SDCCH SEIZ ATT FOR MTC
Version: 2.1 NetAct name: SDCCH_MTC_SEIZ_ATT
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Description:Number of SDCCH seizure attempts for an MTC. In case of an external handoverand handovers after external handover this counter is not incremented. Incase of an intra-cell or inter-cell (SDCCH to SDCCH) handover this counteris updated. Counter 001000 is updated along with this counter.
Updated:When the RRM receives a request for a SDCCH from an MS as the MS needs a channelfor an MTC. Note that this counter contains all requests for an SDCCH in terminatingdirection, for example Mobile Terminating calls and SMS on SDCCH. In caseof an SMS this counter is triggered even if the SMS would eventually be senton TCH instead of SDCCH. See figures: - Basic call with counters - FACCHcall setup due to SDCCH congestion with counters - FACCH call setup due toSDCCH congestion, no free TCH channel - SDCCH congestion, FACCH call setupis not activated - Successful SDCCH internal intra-cell handover - SuccessfulSDCCH internal inter-cell handover - Reconfiguration from TCH to SDCCH
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001000:SEIZURE ATTEMPTS
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.138 001137 / TCH SEIZ ATT FOR MOC
CounterID: 001137
Networkelement name: TCH SEIZ ATT FOR MOC
Version: 2.1 NetAct name: TCH_MOC_SEIZ_ATT
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Description:Number of TCH seizure attempts during an MOC, in call setup phase before connectionacknowledgement. In case of an external handover and handovers after externalhandover this counter is not incremented. In case of an intra-cell or inter-cell(TCH to TCH or SDCCH to TCH) handover this counter is updated. Counter 001010is updated along with this counter.
Updated:When RRM receives requests for a TCH for an MOC. In FACCH call setup RRM attemptsto allocate a TCH as a response to a request for an SDCCH seizure during SDCCHcongestion. See figures: - Basic call with counters - Basic call withpriority subscriber - FACCH call setup due to SDCCH congestion with counters- FACCH call setup due to SDCCH congestion, no free TCH channel - Basiccall, no free TCH and queuing or directed retry is not allowed - SuccessfulTCH queuing - Basic call, no free TCHs, unsuccessful queuing and directedretry not activated - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful trunk reservation- Successful internal intra-cell handover - Internal intra-cell HO, successfulTCH queuing - Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed - Internal intra-cell handover, unsuccessful TCH queuing- Internal directed retry - Successful internal inter-cell handover - Successfulforced release - Unsuccessful forced release - Successful forced handover- Unsuccessful forced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
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2.139 001138 / TCH SEIZ ATT FOR MTC
CounterID: 001138
Networkelement name: TCH SEIZ ATT FOR MTC
Version: 2.1 NetAct name: TCH_MTC_SEIZ_ATT
Description:Number of TCH seizure attempts during an MTC, in call setup phase before connectionacknowledgement. In case of an external handover and handovers after externalhandover this counter is not incremented. In case of an intra-cell or inter-cell(TCH to TCH or SDCCH to TCH) handover this counter is updated. Counter 001010is updated along with this counter.
Updated:When RRM receives requests for a TCH for an MTC. In FACCH call setup RRM attemptsto allocate a TCH as a response to a request for an SDCCH seizure during SDCCHcongestion. See figures: - Basic call with counters - Basic call withpriority subscriber - FACCH call setup due to SDCCH congestion with counters- FACCH call setup due to SDCCH congestion, no free TCH channel - Basiccall, no free TCH and queuing or directed retry is not allowed - SuccessfulTCH queuing - Basic call, no free TCHs, unsuccessful queuing and directedretry not activated - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful trunk reservation- Successful internal intra-cell handover - Internal intra-cell HO, successfulTCH queuing - Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed - Internal intra-cell handover, unsuccessful TCH queuing- Internal directed retry - Successful internal inter-cell handover - Successfulforced release - Unsuccessful forced release - Successful forced handover- Unsuccessful forced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
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2.140 001139 / TCH REL BECAUSE OF RADIO FAIL
CounterID: 001139
Networkelement name: TCH REL BECAUSE OF RADIO FAIL
Version: 2.1 NetAct name: TCH_REL_DUE_RADIO_FAIL
Description:Number of TCH releases because of radio failures, in call setup phase beforeconnection acknowledgement. This counter is also updated in an intra-cellor inter-cell handover, if the TCH is released because of a radio failurebefore the conversation phase (handover is started and it fails before a connectionacknowledgement message is received). Counter 001013 is updated along withthis counter.
Updated:When a TCH is released because of a radio failure. This counter is updatedin call phases 2, 3, 5, or 8-14 only. See figure Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001013:TRANSACTIONS ENDED DUE RADIO FAIL
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.141 001140 / TCH REL DUE TO BSS FAIL
CounterID: 001140
Networkelement name: TCH REL DUE TO BSS FAIL
Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL
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Description:Number of TCH releases because of BSS failures, in call setup phase beforeconnection acknowledgement. This counter is also updated in intra-cell orinter-cell handover, if the TCH is released because of BSS problems beforeconversation phase (handover is started and fails before connection acknowledgementmessage is received). Counter 001012 is updated along with this counter.
Updated:When a TCH is released because of BSS problems. This counter is updatedin call phases 2, 3, 5, or 8-14 only. See figures: - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure, MSC sends CLEAR_COMMAND message
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001012:TRANSACTIONS ENDED DUE TO BSS PROBLEM
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.142 001141 / TCH SEIZ FAILS DUE TO CONG
CounterID: 001141
Networkelement name: TCH SEIZ FAILS DUE TO CONG
Version: 2.1 NetAct name: TCH_SEIZ_FAILS_DUE_CONG
Description:Number of TCH seizure failures because of congestion during call setup beforeconnection acknowledgement. This counter is also updated in intra-cell orinter-cell handover, if the TCH attempt fails because of congestion beforeconversation phase (handover is started and fails before connection acknowledgementmessage is received). In case of an external handover and handovers afterexternal handover this counter is not incremented. Counter 001011 is updatedalong with this counter.
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Updated:When RRM rejects a TCH request because of congestion. This counter is updatedin phases 2, 3, 5, or 8 only. See figures: - FACCH call setup due to SDCCHcongestion, no free TCH channel - Basic call, no free TCH and queuing ordirected retry is not allowed - Basic call, no free TCHs, unsuccessful queuingand directed retry not activated - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful forced release - Unsuccessfulforced handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.143 001142 / QUEUED URGENT HANDOVERATTEMPTS
CounterID: 001142
Networkelement name: QUEUED URGENT HANDOVER ATTEMPTS
Version: 2.1 NetAct name: QUE_URG_HO_ATT
Description:Number of queued urgent handover attempts. Counters 001010 and 001064 areupdated along with this counter.
Updated:When a TCH request for an urgent handover attempt is put to the queue becauseof a lack of available TCH resources requested. See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessfulTCHqueuing
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
001064:QUE ALL HO REQ ATT
Operability class:
Relatedto feature:
BSS6115:Radio Channel Allocation Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.144 001143 / AVE QUE TIME OF URGENT HOATTEMPTS
CounterID: 001143
Networkelement name: AVE QUE TIME OF URGENT HOATTEMPTS
Version: 2.1 NetAct name: AVE_QUE_TIME_URG_HO_ATT
Description:Numerator of average queuing time of queued urgent handover attempts (unitof the value is 10 ms). In a successful case counters 001008, 001022 and001144 are updated along with this counter. In an unsuccessful case counters001022, 001025, 001068 and 001144 are updated along with this counter.
Updated:When a TCH request for an urgent handover attempt is removed from the queue(both in a successful and an unsuccessful case). See figures: - Internalintra-cell HO, successful TCH queuing - Internal intra-cell handover, unsuccessfulTCH queuing
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Logicaltype: Sum
Trigger type: Duration Sampling interval:
Unit: 10 ms Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001022:AVE QUEUE TIME OF HO ATTEMPTS
001025:NOT SERVED QUEUED HO ATTEMPTS
001144:QUE DENOMINATOR 4
001068:QUE ALL HO REQ FAIL
Operability class:
Relatedto feature:
BSS6115:Radio Channel Allocation Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.145 001144 / QUE DENOMINATOR 4
CounterID: 001144
Networkelement name: QUE DENOMINATOR 4
Version: 2.1 NetAct name:
Description:Denominator of average queuing time of queued urgent handover attempts. Counter001143 is updated along with this counter.
Updated:See figures: - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001143:AVE QUE TIME OF URGENT HO ATTEMPTS
Operability class:
Relatedto feature:
BSS6115:Radio Channel Allocation Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.146 001145 / AVE QUE TIME OF NON URGENT HOATTEMPTS
CounterID: 001145
Networkelement name: AVE QUE TIME OF NON URGENT HOATTEMPTS
Version: 2.1 NetAct name: AVE_QUE_TIME_NON_URG_HO_ATT
Description:Numerator of average queuing time of queued non-urgent handover attempts.In a successful case counters 001008, 001022 and 001146 are updated alongwith this counter. In an unsuccessful case counters 001022, 001025, 001068and 001146 are updated along with this counter.
Updated:When a TCH request for a non-urgent HO attempt is removed from the queue (bothin a successful and unsuccessful case). See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessful TCHqueuing
Logicaltype: Sum
Trigger type: Duration Sampling interval:
Unit: 10 ms Range: Example values:
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Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
001022:AVE QUEUE TIME OF HO ATTEMPTS
001025:NOT SERVED QUEUED HO ATTEMPTS
001146:QUE DENOMINATOR 5
001068:QUE ALL HO REQ FAIL
Operability class:
Relatedto feature:
BSS6115:Radio Channel Allocation Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.147 001146 / QUE DENOMINATOR 5
CounterID: 001146
Networkelement name: QUE DENOMINATOR 5
Version: 2.1 NetAct name:
Description:Denominator of average queuing time of queued urgent HO attempts. Counter001145 is updated along with this counter.
Updated:See figures: - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001145:AVE QUE TIME OF NON URGENT HO ATTEMPTS
Operability class:
Relatedto feature:
BSS6115:Radio Channel Allocation Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.148 001147 / QUEUED URG HO ATTS NOT SERVED
CounterID: 001147
Networkelement name: QUEUED URG HO ATTS NOT SERVED
Version: 2.1 NetAct name: QUE_URG_HO_ATT_NOT_SERVED
Description:Number of queued urgent handover attempts not served. Counters 001022, 001025,001068 and 001143 are updated along with this counter.
Updated:When the urgent HO attempt is removed from the queue because of queuing timerexpiry or substitution by a higher priority queuing item. See figure Internalintra-cell handover, unsuccessful TCH queuing.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001022:AVE QUEUE TIME OF HO ATTEMPTS
001025:NOT SERVED QUEUED HO ATTEMPTS
001143:AVE QUE TIME OF URGENT HO ATTEMPTS
001068:QUE ALL HO REQ FAIL
Operability class:
Relatedto feature:
BSS6115:Radio Channel Allocation Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S6
Definition updatedin release:
2.149 001148 / MS SUCC TCH SEIZURE FORASSIGNMENT COMPLETE
CounterID: 001148
Networkelement name: MS SUCC TCH SEIZURE FORASSIGNMENT COMPLETE
Version: 2.1 NetAct name: MS_TCH_SUCC_SEIZ_ASSIGN_CMPLT
Description:Number of times when a MS is successfully on the TCH after an ASSIGNMENT_COMPLETEmessage.
Updated:When an ASSIGNMENT_COMPLETE message is received from the MS via BTS to TCH.The TCH is reserved and the MS is moved from the SDCCH to the TCH. Thiscounter is updated only when a call is established for the first time, notduring handovers. This counter is not updated with softwares FACCH call setupbecause of SDCCH congestion, directed retry procedure in BSC, TCH assignmentto super reuse TRX in IUO and direct access to super re-use TRX in IUO.See figure Normal call.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.150 001149 / CALLS ENDED BY USER DURING DADL/BSETUP
CounterID: 001149
Networkelement name: CALLS ENDED BY USER DURING DADL/BSETUP
Version: 2.1 NetAct name: CALLS_ENDED_USER_DADLB_SETUP
Description:Number of CALLS RELEASED BY USER in a call setup phase during DADL/B handover.
Updated:When the user releases the call in call setup phase and BSC has started toevaluate the potential target cells for DADL/B handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
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3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release: S11.5
2.151 001150 / SUCC TCH SEIZ WHEN GOOD QUAL INADJACENTS
CounterID: 001150
Networkelement name: SUCC TCH SEIZ WHEN GOOD QUAL INADJACENTS
Version: 2.0 NetAct name: TCH_SUCC_SEIZ_GOOD_QUAL_ADJ
Description:This counter is no longer in use.
Updated:Not updated
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release: S12
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2.152 001151 / TCH REQ REJ DUE TO BAD QUALITY INADJACENT
CounterID: 001151
Networkelement name: TCH REQ REJ DUE TO BAD QUALITY INADJACENT
Version: 2.0 NetAct name: TCH_REQ_REJ_BAD_QUAL_ADJ
Description:This counter is no longer in use.
Updated:Not updated
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release: S12
2.153 001152 / SUCC TCH SEIZ WHEN QUAL BETWGOOD AND BAD IN ADJACENT
CounterID: 001152
Networkelement name: SUCC TCH SEIZ WHEN QUAL BETWGOOD AND BAD IN ADJACENT
Version: 2.0 NetAct name: TCH_SUCC_SEIZ_BETW_QUAL_ADJ
Description:This counter is no longer in use.
Updated:Not updated
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Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release: S12
2.154 001153 / TCH REQ REJ WHEN QUAL BETW GOODAND BAD IN ADJACENT
CounterID: 001153
Networkelement name: TCH REQ REJ WHEN QUAL BETW GOODAND BAD IN ADJACENT
Version: 2.0 NetAct name: TCH_REQ_REJ_BETW_QUAL_ADJ
Description:This counter is no longer in use.
Updated:Not updated
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release: S12
2.155 001154 / DYNAMIC SDCCH RECONFIGURATIONATTEMPT
CounterID: 001154
Networkelement name: DYNAMIC SDCCH RECONFIGURATIONATTEMPT
Version: 2.1 NetAct name: SDCCH_DYNAMIC_RECONF_ATT
Description:Number of SDCCH reconfiguration attempts for immediate assignment. Counters001000 and 001007 are updated along with this counter.
Updated:When an SDCCH channel is needed for an immediate assignment and no free SDCCHsare available and the request is sent for reconfiguring a TCH channel to anSDCCH channel. This counter is not updated if reconfiguration is done fromSDCCH to TCH channel. See figure Reconfiguration from TCH to SDCCH.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001000:SEIZURE ATTEMPTS
001007:SUCCESS SEIZURE FOR IMMEDIATE ASSIGNMENT
Operability class:
Relatedto feature:
BSS7036:Dynamic SDCCH Allocation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S7
Definition updatedin release:
2.156 001155 / UNSUCC IMM ASS SDCCH ATTEMPT
CounterID: 001155
Networkelement name: UNSUCC IMM ASS SDCCH ATTEMPT
Version: 2.1 NetAct name: SDCCH_UNSUCC_IMM_ASSIGN_ATT
Description:Number of unsuccessful SDCCH allocation attempts for immediate assignment.Counter 001001 is updated along with this counter.
Updated:When the SDCCH channel allocation does not succeed because of a lack of SDCCHresources at the time of the immediate assignment. When SDCCH is releasedwith the dx-cause rtsl_reconf_fail_c. Triggered for example when a dynamicSDCCH allocation (1154 DYNAMIC_SDCCH_RECONFIGURATION_ATTEMPT) is tried butit fails. Failure can be caused for example by the following situations.- In the BCSU there cannot be more SDCCH allocated. - All TCHs are busyand cannot be reallocated. - RRM has reconfigured a TCH to SDCCH but ABIcannot do the same. In this case the dynamic SDCCH seized by RRM is releasedwith cause rtsl_reconf_fail and the call attempt fails (blocking). See figureFACCH call setup because of SDCCH congestion with counters.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001001:SEIZURE ATTEMPTS WITH BUSY SDCCH
Operability class:
Relatedto feature:
BSS7036:Dynamic SDCCH Allocation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
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2.157 001156 / HSCSD TCH REQ WITH 14,4
CounterID: 001156
Networkelement name: HSCSD TCH REQ WITH 14,4
Version: 2.1 NetAct name: HSCSD_TCH_REQ_14400
Description:Number of TCH requests for 14.4 kbit/s data. NOTE! Despite its name, thiscounter is not related to High Speed Circuit Switched Data (HSCSD), but thesingle slot 14.4 kbit/s data services. Dependencies: Counters for a TCH request.
Updated:When the RRM receives a TCH request for a single slot 14.4 kbit/s data connectionin a call or a handover attempt. See figures: - Mobile originated HSCSDcall setup - Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
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2.158 001157 / HSCSD SUCC TCH SEIZ WITH 14,4
CounterID: 001157
Networkelement name: HSCSD SUCC TCH SEIZ WITH 14,4
Version: 2.1 NetAct name: HSCSD_TCH_SUCC_SEIZ_14400
Description:Number of successful TCH seizures for 14.4 kbit/s data. NOTE! Despite ofits name, this counter is not related to High Speed Circuit Switched Data(HSCSD), but the single slot 14.4 kbit/s data services. Dependencies: Countersfor a successful TCH seizures.
Updated:When the RRM allocates a TCH/F as a response to a single slot 14.4 kbit/srequest in a call or handover attempt. See figures: - Mobile originatedHSCSD call setup - Successful internal inter-cell handover for HSCSD, targetcell allocations and activations for three channels
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.159 001158 / HSCSD TRANSP TCH REQ
CounterID: 001158
Networkelement name: HSCSD TRANSP TCH REQ
Version: 2.1 NetAct name: HSCSD_TRANSP_TCH_REQ
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Description:Number of transparent HSCSD TCH requests. Counter 001160 or 001161 is updatedalong with this counter.
Updated:When TCH/F(s) is / are requested for a transparent HSCSD service from theRRM in a call or a handover attempt. See figures: - Mobile originated HSCSDcall setup - Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001160:HSCSD REQ FOR CALL SETUP
001161:HSCSD TCH REQ FOR HO
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.160 001159 / HSCSD SUCC TRANSP TCH SEIZ
CounterID: 001159
Networkelement name: HSCSD SUCC TRANSP TCH SEIZ
Version: 2.1 NetAct name: HSCSD_TRANSP_TCH_SUCC_SEIZ
Description:Number of successful transparent HSCSD TCH seizures. Counter 001162 or 001163is updated along with this counter.
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Updated:When TCH/F has been successfully allocated for transparent HSCSD service byRRM. Incrementation is made only by the HSCSD main channel allocation. Seefigures: - Mobile originated HSCSD call setup - Successful internal inter-cellhandover for HSCSD, target cell allocations and activations for three channels
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001162:HSCSD SUCC TCH SEIZ FOR CALL SETUP
001163:HSCSD SUCC TCH SEIZ FOR HO
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.161 001160 / HSCSD REQ FOR CALL SETUP
CounterID: 001160
Networkelement name: HSCSD REQ FOR CALL SETUP
Version: 2.1 NetAct name: HSCSD_REQ_CALL_SETUP
Description:Number of HSCSD TCH requests for a call set-up. Counter 001010 is updatedalong with this counter.
Updated:When the HSCSD data connection is requested from the RRM in a call attempt.See figure Mobile originated HSCSD call setup.
Logicaltype: Sum
Trigger type: Event Sampling interval:
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Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.162 001161 / HSCSD TCH REQ FOR HO
CounterID: 001161
Networkelement name: HSCSD TCH REQ FOR HO
Version: 2.1 NetAct name: HSCSD_TCH_REQ_HO
Description:Number of HSCSD TCH requests for a HO. Counter 001010 is updated along withthis counter.
Updated:When the HSCSD data connection is requested from the RRM in a handover attempt.See figure Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001010:TCH REQUEST SUCCESS AND UNSUCCESS
Operability class:
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Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.163 001162 / HSCSD SUCC TCH SEIZ FOR CALL SETUP
CounterID: 001162
Networkelement name: HSCSD SUCC TCH SEIZ FOR CALLSETUP
Version: 2.1 NetAct name: HSCSD_TCH_SUCC_SEIZ_CALL_SETUP
Description:Number of successful HSCSD TCH seizures for a call set-up. Counter 001009is updated along with this counter.
Updated:When the RRM allocates a main HSCSD TCH/F as a response to an HSCSD call attempt.See figure Mobile originated HSCSD call setup.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.164 001163 / HSCSD SUCC TCH SEIZ FOR HO
CounterID: 001163
Networkelement name: HSCSD SUCC TCH SEIZ FOR HO
Version: 2.1 NetAct name: HSCSD_TCH_SUCC_SEIZ_HO
Description:Number of successful HSCSD TCH seizures for a HO. Counter 001008 is updatedalong with this counter.
Updated:When the RRM allocates a main HSCSD TCH/F as a response to a handover attempt.See figure Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001008:SUCCESS TCH SEIZURE FOR HO
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
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2.165 001164 / HSCSD CON REL DUE TO FAIL
CounterID: 001164
Networkelement name: HSCSD CON REL DUE TO FAIL
Version: 2.1 NetAct name: HSCSD_CON_REL_DUE_FAIL
Description:Number of HSCSD connection releases because of a failure. Impact: HO failure,Call cleared
Updated:When the HSCSD main TCH/F is released with dx_cause indicating a failure.See figure A CONNECTION_FAILURE message which comes during an HSCSD.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS7003:High Speed Circuit Switched Data (HSCSD)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.166 001165 / SUCCESS TCH SEIZURE FOR DIRECTACCESS
CounterID: 001165
Networkelement name: SUCCESS TCH SEIZURE FOR DIRECTACCESS
Version: 2.1 NetAct name: TCH_SUCC_SEIZ_FOR_DIR_ACC
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Description:Number of successful seizures for a TCH in direct accesses to a super-reuseTRX during the call setup phase. Counters 001009 and 001091 are updated alongwith this counter.
Updated:When the RRM allocates a TCH as a response to a TCH request in a call attemptusing direct access to a super-reuse TRX procedure. See figure Internalintra-cell direct access from a regular DCCH to the super-reuse TRX.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT
001091:TCH SEIZ UND OVER
Operability class:
Relatedto feature:
BSS7057:Direct Access to Super Re-use TRX in IUO
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.167 001166 / TCH REQUEST FOR DIRECT ACCESSREJECTED DUE TO LACK
CounterID: 001166
Networkelement name: TCH REQUEST FOR DIRECT ACCESSREJECTED DUE TO LACK
Version: 2.1 NetAct name: TCH_REQ_DIR_ACC_REJ_DUE_LACK
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Description:Number of requests for a direct access to a super-reuse TRX that are rejectedbecause of a lack of resources during the call setup phase. Counters 001011and 001092 are updated along with this counter.
Updated:When the RRM has no TCHs available for assignment requests in a direct accessattempt to a super-reuse TRX. See figure Unsuccessful internal intra-celldirect access from regular DCCH to the super-reuse TRX due to lack of resources.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001011:TCH REQUEST REJECTED DUE TO LACK
001092:TCH REJ REQ UND OVE
Operability class:
Relatedto feature:
BSS7057:Direct Access to Super Re-use TRX in IUO
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S7
Definition updatedin release:
2.168 001167 / TCH REQUEST FOR A BSC CONTROLLEDTRHO PROCEDURE
CounterID: 001167
Networkelement name: TCH REQUEST FOR A BSC CONTROLLEDTRHO PROCEDURE
Version: 2.1 NetAct name: TCH_REQ_BSC_TRHO
Description:Number of TCH requests for a BSC-controlled TRHO procedure.
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Updated:When the RRM receives a TCH request in a BSC-controlled TRHO attempt. Seefigure Successful BSC controlled TRHO.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS8123:Advanced Multilayer Handling
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release:
2.169 001168 / SUCC TCH SEIZ FOR A BSCCONTROLLED TRHO
CounterID: 001168
Networkelement name: SUCC TCH SEIZ FOR A BSCCONTROLLED TRHO
Version: 2.1 NetAct name: TCH_SUCC_SEIZ_BSC_TRHO
Description:Number of successful TCH seizures for a BSC-controlled TRHO
Updated:When the RRM allocates a TCH as a response to a TCH request in a BSC-controlledTRHO attempt. See figure Successful BSC controlled TRHO.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
BSS8123:Advanced Multilayer Handling
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release:
2.170 001169 / REJ TCH SEIZ FOR A BSC CONTROLLEDTRHO DUE LACK OF RESOURCES
CounterID: 001169
Networkelement name: REJ TCH SEIZ FOR A BSC CONTROLLEDTRHO DUE LACK OF RESOURCES
Version: 2.1 NetAct name: TCH_REQ_REJ_BSC_TRHO_DUE_LACK
Description:Number of rejected TCH requests for a BSC-controlled TRHO procedure becauseof exceeded load in the target cell.
Updated:When the RRM rejects traffic channel allocation because of exceeded load inthe target cell in a BSC-controlled TRHO. See figure Unsuccessful BSC controlledTRHO.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S8
Definition updatedin release:
2.171 001170 / SUCCESSFUL TCH SEIZURES FORDADLB HO
CounterID: 001170
Networkelement name: SUCCESSFUL TCH SEIZURES FOR DADLBHO
Version: 2.1 NetAct name: TCH_SUCC_SEIZ_DADLB_HO
Description:The number of successful TCH seizures because of DADL/B handover.
Updated:The counter is updated when a TCH allocation in the target cell during DADL/Bhandover is successful. BSC internal handover case. See figure Successfulhandover due to DADL/B.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS8032:Direct Access to Desired Layer/Band
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release:
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2.172 001171 / TCH REQUEST IN DADLB HO REJECTED
CounterID: 001171
Networkelement name: TCH REQUEST IN DADLB HO REJECTED
Version: 2.1 NetAct name: TCH_REQ_REJ_DADLB_HO
Description:Number of TCH requests in DADL/B handover rejected because of a lack of TCH.
Updated:The counter is updated when a TCH allocation in the target cell during DADL/Bhandover is unsuccessful because of lack of TCH. BSC internal handover case.See figure Unsuccessful DADL/B handover due to lack of resources.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS8032:Direct Access to Desired Layer/Band
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release:
2.173 001172 / DADLB START DUE TO EXCEEDED LOAD
CounterID: 001172
Networkelement name: DADLB START DUE TO EXCEEDED LOAD
Version: 2.1 NetAct name: DADLB_START_DUE_EXCEEDED_LOAD
Description:Number of DADL/B handover attempts, started because of exceeded load in accessedcell. Counter 004129 is updated if DADL/B HO is started.
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Updated:This counter is updated when channel request is rejected because of excessiveload and Radio Resource management requests a DADL/B handover. If the targetcell is found within MaxTimeLimitDR, the DADL/B handover is started and alsothe counter 004129 is updated. If this timer triggers the DADL/B handoveris not started. See figures: - Successful handover due to DADL/B - UnsuccessfulDADL/B handover due to lack of resources
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
004129:HO ATT DUE TO DADLB
Operability class:
Relatedto feature:
BSS8032:Direct Access to Desired Layer/Band
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release:
2.174 001173 / REMOVAL FROM QUE DUE TO DR
CounterID: 001173
Networkelement name: REMOVAL FROM QUE DUE TO DR
Version: 2.1 NetAct name: REMOVAL_FROM_QUE_DUE_TO_DR
Description:Number of requests removed from the queue because of start of DR.
Updated:This counter is updated when a request is removed from the queue by the RRMbecause of the start of DR. See figure Internal directed retry.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S8
Definition updatedin release:
2.175 001174 / GPRS TER UPGRD REQ
CounterID: 001174
Networkelement name: GPRS TER UPGRD REQ
Version: 2.1 NetAct name: GPRS_TER_UPGRD_REQ
Description:Number of territory upgrade requests received from the Packet Controller Unit.
Updated:When the Radio Resource Management receives from the Packet Controller Unita request for new radio time slots to be added into the GPRS territory. ThePCU can request an upgrade after BSC has fulfilled the default territory definedby the operator parameters. The upgrade of the GPRS territory may be startedfor various reasons, for example when GPRS is set enabled in a BTS, GPRS-TRXis created or deblocked, TSL inside the GPRS territory is deblocked or CSload decreases, but this counter is not triggered in these cases. NOTE! Thiscounter is triggered only when GPRS Territory Upgrade is started by PacketSwitched Radio Resource Management requesting additional GPRS capacity.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
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3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
2.176 001175 / INCOMPL SERV GPRS TER UPGR REQ
CounterID: 001175
Networkelement name: INCOMPL SERV GPRS TER UPGR REQ
Version: 2.1 NetAct name: INCOMPL_SERV_GPRS_TER_UPGR_REQ
Description:Number of territory upgrade requests that have been served with less radiotime slots than requested.
Updated:When Radio Resource Management upgrades the GPRS territory with less RTSLsthan the Packet Controller Unit requested for.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
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2.177 001176 / GPRS TER UG REJ DUE CSW TR
CounterID: 001176
Networkelement name: GPRS TER UG REJ DUE CSW TR
Version: 2.1 NetAct name: GPRS_TER_UG_REJ_DUE_CSW_TR
Description:Number of territory upgrade requests that have been rejected because of thehigh load of the circuit switched traffic.
Updated:When Radio Resource Management rejects a GPRS territory upgrade request fromthe PCU because of high traffic load in BTS and maintaining the margin ofidle TCHs for circuit switched traffic does not allow the upgrade.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
2.178 001177 / GPRS TER UG REJ DUE LACK PSW RES
CounterID: 001177
Networkelement name: GPRS TER UG REJ DUE LACK PSW RES
Version: 2.1 NetAct name: GPRS_TER_UG_REJ_DUE_LACK_PSW
Description:Number of territory upgrade requests that have been rejected because thereare not enough resources capable of GPRS in the BTS.
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Updated:When Radio Resource Management rejects a GPRS territory upgrade request ofthe PCU because all TRXs capable of GPRS traffic are already within the GPRSterritory.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
2.179 001178 / GPRS TER UG REJ DUE LACK PCU CAP
CounterID: 001178
Networkelement name: GPRS TER UG REJ DUE LACK PCU CAP
Version: 2.1 NetAct name: GPRS_TER_UG_REJ_DUE_LACK_PCU
Description:Number of territory upgrade requests that have been rejected because the capacityof the Packet Controller Unit the BTS is connected to is already totally inuse.
Updated:When Radio Resource Management rejects a GPRS territory upgrade request fromthe PCU because the maximum number of TSLs, which the PCU is capable to handleare already in use.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
2.180 001179 / GPRS TER DG DUE INC IN CSW TR
CounterID: 001179
Networkelement name: GPRS TER DG DUE INC IN CSW TR
Version: 2.1 NetAct name: GPRS_TER_DG_DUE_INC_IN_CSW_TR
Description:Number of GPRS territory downgrades made because of the increase in the circuitswitched traffic load.
Updated:When the Radio Resource Management starts a GPRS territory downgrade in orderto maintain the margin of idle TCHs for circuit switched traffic after a circuitswitched channel allocation, or when the BSC during TCH congestion in theCSW territory directly allocates a TCH belonging to the GPRS territory.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
2.181 001180 / GPRS TER UG DUE DEC CSW TR
CounterID: 001180
Networkelement name: GPRS TER UG DUE DEC CSW TR
Version: 2.1 NetAct name: GPRS_TER_UG_DUE_DEC_CSW_TR
Description:Number of GPRS territory upgrades made to fulfill the default GPRS territoryas a consequence of decrease in the circuit switched traffic load.
Updated:When the Radio Resource Management starts a GPRS territory upgrade in orderto fulfill the defined default GPRS territory after the traffic load in theBTS has decreased as a consequence of a circuit switched channel release.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
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Counters of Traffic Measurement
2.182 001181 / GPRS TER DOWNGRADE REQ
CounterID: 001181
Networkelement name: GPRS TER DOWNGRADE REQ
Version: 2.1 NetAct name: GPRS_TER_DOWNGRADE_REQ
Description:Number of territory downgrade requests received from the Packet ControllerUnit.
Updated:When the Radio Resource Management receives from the Packet Controller Unita request for a GPRS territory downgrade. The PCU can request for a downgradefor GPRS RTSLs beyond the default territory defined by the operator parameters.A GPRS territory downgrade is initiated because of increase of CS load. PCUcan initiate GPRS resource downgrade to additional GPRS resources. For example,when PCU has previously requested GPRS territory upgrade and additional channelshas been given for GPRS use. When there is no more need for additonal GPRScapacity PCU requests for downgrade, the additional channels are removedfrom GPRS territory and this counter is triggered.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS9006:GPRS Telecom in BCSU and MCMU
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S9
Definition updatedin release:
2.183 001182 / FULL TCH SEIZ INTRA AMR HO
CounterID: 001182
Networkelement name: FULL TCH SEIZ INTRA AMR HO
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Version: 2.1 NetAct name: FULL_TCH_SEIZ_INTRA_AMR_HO
Description:Number of successful FR TCH seizures for an intra-cell HO when the channelrate changes and AMR speech codecs are in use. Updated only in AMR unpackinghandover. Counter 001116 is updated along with this counter.
Updated:When the Radio Resource Management allocates a FR TCH for intra-cell HO asa response to a TCH request and the channel rate is changed from HR to FRand speech codec versions 3 are in use.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001116:FULL TCH SEIZ INT HO CH RATE
Operability class:
Relatedto feature:
BSS10004:Adaptive Multi Rate (AMR) Speech Codec
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.184 001183 / HALF TCH SEIZ INTRA AMR HO
CounterID: 001183
Networkelement name: HALF TCH SEIZ INTRA AMR HO
Version: 2.1 NetAct name: HALF_TCH_SEIZ_INTRA_AMR_HO
Description:Number of successful HR TCH seizures for intra-cell HO when the channel ratechanges and AMR speech codecs are in use. Updated only in AMR packing handover.Counter 001117 is updated along with this counter.
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Counters of Traffic Measurement
Updated:When the Radio Resource Management allocates a HR TCH for intra-cell HO asa response to a TCH request and the channel rate is changed from FR to HRand speech codec versions 3 are in use.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001117:HALF TCH SEIZ INT HO CH RATE
Operability class:
Relatedto feature:
BSS10004:Adaptive Multi Rate (AMR) Speech Codec
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.185 001184 / TCH CALL REQ FOR AMR
CounterID: 001184
Networkelement name: TCH CALL REQ FOR AMR
Version: 2.1 NetAct name: TCH_CALL_REQ_FOR_AMR
Description:Number of TCH requests for an AMR call. Counter 001026 is updated alongwith this counter in case of call setup.
Updated:When the Radio Resource Management receives a TCH request in a call setupor HO attempt and speech codec version 3 is the most preferred one.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001026:TCH CALL REQ
Operability class:
Relatedto feature:
BSS10004:Adaptive Multi Rate (AMR) Speech Codec
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.186 001185 / SUCCESSFUL AMR CODEC SETDOWNGRADES
CounterID: 001185
Networkelement name: SUCCESSFUL AMR CODEC SETDOWNGRADES
Version: 2.1 NetAct name: SUCC_AMR_CODEC_SET_DOWNGR
Description:Number of successful AMR codec set downgrades during internal HOs for thesource side AMR codec set. Downgrade is made to align the source side AMRcodec set with the one chosen for the target side in order to utilize theone-way downlink speech path connection for the target side during the internalHO. The utilization of one-way downlink speech path connection decreases theamount of muting experienced in the speech path connection. Downgrade decisionduring internal HO depends on the parameter AMR codec mode set downgradesand upgrades enabled.
Updated:By the Abis interface services after successful mode modify procedures forBTS and MS.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
BSS10004:Adaptive Multi Rate (AMR) Speech Codec
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.187 001186 / UNSUCCESSFUL AMR CODEC SETDOWNGRADES
CounterID: 001186
Networkelement name: UNSUCCESSFUL AMR CODEC SETDOWNGRADES
Version: 2.1 NetAct name: UNSUCC_AMR_CODEC_SET_DOWNGR
Description:Number of unsuccessful AMR codec set downgrades during internal HOs for thesource side AMR codec set. Alignment between the source side AMR codec setand the one chosen for the target side has failed and usage of one-way speechpath downlink connection for the target side during the internal HO is notpossible.
Updated:By the Abis interface services after an unsuccessful mode modify procedurefor BTS or MS.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS10004:Adaptive Multi Rate (AMR) Speech Codec
Related to standard:
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3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.188 001187 / SUCCESSFUL AMR CODEC SETUPGRADES
CounterID: 001187
Networkelement name: SUCCESSFUL AMR CODEC SETUPGRADES
Version: 2.1 NetAct name: SUCC_AMR_CODEC_SET_UPGR
Description:Number of successful AMR codec set upgrades after internal HOs for the targetside AMR codec set. Upgrade is made to utilize the original AMR codec setof the target BTS which set was not chosen for the target side because oftarget side alignment with the source side during internal HO. This alignmentis made in order to utilize the one-way downlink speech path connection forthe target side during the internal HO. The utilization of one-way speechpath downlink connection decreases the amount of muting experienced in thespeech path connection. Upgrade decision after internal HO depends on theparameters AMR codec mode set downgrades and upgrades enabled and AMR multirateconfiguration in handovers.
Updated:By the Abis interface services after successful mode modify procedures forBTS and MS.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS10004:Adaptive Multi Rate (AMR) Speech Codec
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.189 001188 / UNSUCCESSFUL AMR CODEC SETUPGRADES
CounterID: 001188
Networkelement name: UNSUCCESSFUL AMR CODEC SETUPGRADES
Version: 2.1 NetAct name: UNSUCC_AMR_CODEC_SET_UPGR
Description:Number of unsuccessful AMR codec set upgrades after internal HOs for the targetside AMR codec set. The target side continues to use the currently used AMRcodec set.
Updated:By the Abis interface services after an unsuccessful mode modify procedurefor BTS or MS.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS10004:Adaptive Multi Rate (AMR) Speech Codec
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
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2.190 001189 / TCH REQ FOR 96 DAT CALL
CounterID: 001189
Networkelement name: TCH REQ FOR 96 DAT CALL
Version: 2.1 NetAct name: TCH_REQ_FOR_96_DAT_CALL
Description:Number of TCH requests for 9.6 kbit/s data call.
Updated:When the Radio Resource Management receives a TCH request for a single slot9.6 kbit/s data connection in a call or a handover attempt.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.191 001190 / SUCC TCH SEIZ FOR 96 DAT CALL
CounterID: 001190
Networkelement name: SUCC TCH SEIZ FOR 96 DAT CALL
Version: 2.1 NetAct name: SUCC_TCH_SEIZ_FOR_96_DAT_CALL
Description:Number of successful TCH seizures for 9.6 kbit/s data call.
Updated:When the Radio Resource Management allocates a TCH/F as a response to a singleslot 9.6 kbit/s request in a call or handover attempt.
Logicaltype: Sum
Trigger type: Event Sampling interval:
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Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10
Definition updatedin release:
2.192 001191 / SPARE001191
CounterID: 001191
Networkelement name: SPARE001191
Version: 2.0 NetAct name: SPARE001191
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10.5ED
Definition updatedin release: S11
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2.193 001192 / TCH REQUESTS FOR CALL ATTEMPT
CounterID: 001192
Networkelement name: TCH REQUESTS FOR CALL ATTEMPT
Version: 2.0 NetAct name: TCH_REQUESTS_CALL_ATTEMPT
Description:Number of TCH channel requests for a call
Updated:Updated when a TCH is requested for a call. The counter is updated only oncefor every call attempt, that is, it is not updated for TCH-TCH handover attempts.In segment environment, if the seizure of TCH is successful, the counteris updated to the BTS from which the TCH was successfully seizured. If theseizure is unsuccessful, the counter is updated to the BCCH BTS.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10.5ED
Definition updatedin release: S11, S12 (Name changed)
2.194 001193 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT
CounterID: 001193
Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT
Version: 2.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATTEMPT
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Description:Number of succesful TCH channel seizures for a call
Updated:When a TCH is successfully allocated for a call. The counter is updatedonly once for every call attempt, that is, it is not updated for TCH-TCH handoverattempts.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10.5ED
Definition updatedin release: S11, S12 (Name changed)
2.195 001194 / TCH ACCESS REJECTED DUE LOW RX
CounterID: 001194
Networkelement name: TCH ACCESS REJECTED DUE LOW RX
Version: 2.1 NetAct name: TCH_ACC_REJ_DUE_LOW_RX
Description:Number of unsuccessful call setup attempts because of a too low RX level.
Updated:RRM updates the counter if a call setup fails because of a too low RX level.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
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3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S10.5ED
Definition updatedin release: S11.5
2.196 001195 / MSC O HO CMD
CounterID: 001195
Networkelement name: MSC O HO CMD
Version: 2.1 NetAct name: MSC_O_HO_CMD
Description:Number of handover commands sent by the BSC in an outgoing MSC-controlledhandover (SDCCH-SDCCH, TCH-TCH or SDCCH-TCH HO)
Updated:See figure Successful external handover, source.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
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Counters of Traffic Measurement
2.197 001196 / BSC O HO CMD
CounterID: 001196
Networkelement name: BSC O HO CMD
Version: 2.1 NetAct name: BSC_O_HO_CMD_ASSGN
Description:Number of all handover commands sent by the BSC in an outgoing BSC-controlledhandover (SDCCH-SDCCH, TCH-TCH or SDCCH-TCH HO).
Updated:See figures: -Internal directed retry -Successful internal inter-cell handover-Successful SDCCH internal inter-cell handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
2.198 001197 / BTS HO ASSGN
CounterID: 001197
Networkelement name: BTS HO ASSGN
Version: 2.1 NetAct name: BTS_HO_ASSGN
Description:Number of assignment commands sent in intra-BTS handovers (SDCCH-SDCCH, TCH-TCHor SDCCH-TCH).
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Updated:See figures: -Successful internal intra-cell handover -Successful SDCCH internalintra-cell handover
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
2.199 001198 / TCH REL DUE TO RADIO FAIL PH 9-11
CounterID: 001198
Networkelement name: TCH REL DUE TO RADIO FAIL PH 9-11
Version: 2.1 NetAct name: TCH_REL_DUE_RADIO_FAIL_PH_9_11
Description:Number of TCH releases because of radio failures.
Updated:This counter is updated in call phases 9-11 only (Outgoing handovers beforeCONNECT_ACK).
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
2.200 001199 / TCH REL DUE TO BSS FAIL PH 2-3
CounterID: 001199
Networkelement name: TCH REL DUE TO BSS FAIL PH 2-3
Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL_PH_2_3
Description:Number of TCH releases because of BSS failures.
Updated:This counter is updated in call phases 2-3 only. See figures: -UnsuccessfulTCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACK message-TCH assignment failure, MSC sends CLEAR_COMMAND message
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S11
Definition updatedin release:
2.201 001200 / TCH REL DUE TO BSS FAIL PH 9-11
CounterID: 001200
Networkelement name: TCH REL DUE TO BSS FAIL PH 9-11
Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL_PH_9_11
Description:Number of TCH releases because of BSS failures. Same DX causes as in counter001140.
Updated:This counter is updated in call phases 9-11 only (Outgoing handovers beforeCONNECT_ACK).
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
2.202 001201 / SDCCH FAIL PH 3
CounterID: 001201
Networkelement name: SDCCH FAIL PH 3
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Version: 2.1 NetAct name: SDCCH_FAIL_PH_3
Description:Number of all the failures on SDCCH in call phase 3 that do not trigger anyTCH failure counter in the same phase.
Updated:
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
2.203 001202 / DROP AFTER TCH ASSIGN
CounterID: 001202
Networkelement name: DROP AFTER TCH ASSIGN
Version: 2.1 NetAct name: DROP_AFTER_TCH_ASSIGN
Description:Number of dropped calls after the TCH is assigned.
Updated:When the drop occurs between ASSIGNMENT_COMPLETE and DISCONNECT. See figures:-CONNECTION_FAILURE message with cause transcoder_failure during a call -Droppedcall between ASSIGNMENT COMPLETE and DISCONNECT
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
2.204 001203 / ERROR IND DURING LU
CounterID: 001203
Networkelement name: ERROR IND DURING LU
Version: 2.1 NetAct name: ERROR_IND_DURING_LU
Description:Number of Error indication messages received during the Location Update procedure.
Updated:
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11083:Measurement Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11
Definition updatedin release:
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Counters of Traffic Measurement
2.205 001204 / DROP TCH ASSCOMPL TO RFCH REL
CounterID: 001204
Networkelement name: DROP TCH ASSCOMPL TO RFCH REL
Version: 2.1 NetAct name: DROP_TCH_ASSCOMPL_TO_RFCH_REL
Description:Number of TCH drops between the Assignment Complete and the RF Channel ReleaseAck messages. Some of the counters 001013, 001014, 001029, 001030, 001046,001047, 001048, 001049, 001050, 001051, 001070, 001081, 001084, 001085, 001087,001088, and 001202 may be updated together with this counter.
Updated:When the TCH transaction ends in a phase between the Assignment Complete andthe RF Channel Release Ack messages. See figures: - CONNECTION_FAILURE messagewith cause transcoder_failure during a call - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001013:TRANSACTIONS ENDED DUE RADIO FAIL
001014:TRANSACTIONS ENDED DUE SOURCE CHANNEL FAIL DURING HO
001029:TCH TR FAIL
001030:TCH TR FAIL SOURCE
001046:TCH LAPD FAIL
001047:TCH BTS FAIL
001048:TCH USER ACT
001049:TCH BCSU RESET
001050:TCH NETW ACT
001051:TCH A IF PROBL
001070:FORCED RELEASES
001081:TCH ACT FAIL CALL
001085:TCH ABIS FAIL SOURCE
001088:TCH A IF FAIL SOURCE
001202:DROP AFTER TCH ASSIGN
001087:TCH A IF FAIL CALL
001084:TCH ABIS FAIL CALL
Operability class:
Relatedto feature:
BSS115168:CS Statistics Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.206 001205 / TCH REL DUE RAD FAIL PH 2-3
CounterID: 001205
Networkelement name: TCH REL DUE RAD FAIL PH 2-3
Version: 2.1 NetAct name: TCH_REL_DUE_RAD_FAIL_PH_2_3
Description:Number of the TCH releases because of the radio failures. Counter 001139is updated together with this counter.
Updated:When the TCH is released in call phase 2 (MM signalling) or 3 (Basic assignment)because of a radio failure. See figure Timer T3107 expires while waitingfor ASSIGNMENT_COMPLETE message.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS115168:CS Statistics Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
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2.207 001206 / TCH REL DUE RAD FAIL PH 12-14
CounterID: 001206
Networkelement name: TCH REL DUE RAD FAIL PH 12-14
Version: 2.1 NetAct name: TCH_REL_DUE_RAD_FAIL_PH_12_14
Description:Number of the TCH releases because of radio failures. Counter 001139 is updatedtogether with this counter.
Updated:When the TCH is released during the Handover phases (12-14) because of a radiofailure.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS115168:CS Statistics Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.208 001207 / TCH REL DUE BSS FAIL PH 12-14
CounterID: 001207
Networkelement name: TCH REL DUE BSS FAIL PH 12-14
Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL_PH_12_14
Description:Number of the TCH releases because of the BSS failures. Counter 001140 isupdated together with this counter.
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Updated:When the TCH is released during the Handover phases (12-14) because of a BSSfailure.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001140:TCH REL DUE TO BSS FAIL
Operability class:
Relatedto feature:
BSS115168:CS Statistics Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.209 001208 / A IF CRC MISMATCH CALL SETUP
CounterID: 001208
Networkelement name: A IF CRC MISMATCH CALL SETUP
Version: 2.1 NetAct name: A_IF_CRC_MISMATCH_CALL_SETUP
Description:Number of the TCH requests rejected because of the mismatch between the typesof the requested channel and the A interface circuit, updated in call setupphase only. Counter 001122 is updated together with this counter
Updated:When the RRM changes the A interface circuit pool before the TCH allocation.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
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Dependencies withother counters:
001122:TCH REJ DUE REQ CH A IF CRC
Operability class:
Relatedto feature:
BSS115168:CS Statistics Improvements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.210 001209 / GPRS TER DG REJ DUE STREAMING
CounterID: 001209
Networkelement name: GPRS TER DG REJ DUE STREAMING
Version: 2.0 NetAct name: GPRS_TER_DG_REJ_DUE_STREAMING
Description:This counter is not in use.
Updated:This counter is not updated.
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release: S12
2.211 001210 / GPRS TER DG REQ WHEN EQOS ON
CounterID: 001210
Networkelement name: GPRS TER DG REQ WHEN EQOS ON
Version: 2.0 NetAct name: GPRS_TER_DG_REQ_WHEN_EQOS_ON
Description:This counter is not in use.
Updated:This counter is not updated.
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release: S12
2.212 001211 / TCH REL BSC BSC CONFLICT CALL
CounterID: 001211
Networkelement name: TCH REL BSC BSC CONFLICT CALL
Version: 2.1 NetAct name: TCH_REL_BSC_BSC_CONFLICT_CALL
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Description:Number of TCH releases because of a BSC-BSC conflict.
Updated:When a TCH is released (with cause bc_t_bsc_bsc_conflict_c in call phases1-8 or 15)
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS11052:Dynamic Frequency and Channel Allocation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.213 001212 / TCH REL BSC BSC CONFLICT TARG
CounterID: 001212
Networkelement name: TCH REL BSC BSC CONFLICT TARG
Version: 2.1 NetAct name: TCH_REL_BSC_BSC_CONFLICT_TARG
Description:Number of TCH releases because of a BSC-BSC conflict.
Updated:When a TCH is released (with cause bc_t_bsc_bsc_conflict_c in call phases12-14)
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
BSS11052:Dynamic Frequency and Channel Allocation
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.214 001213 / GPRS TER UG REQ FROM CSW
CounterID: 001213
Networkelement name: GPRS TER UG REQ FROM CSW
Version: 2.1 NetAct name: GPRS_TER_UG_REQ_FROM_CSW
Description:Number of territory upgrade requests to PCU initiated by the CSW. Dependencies:001214 and 001215
Updated:When the RRM initiates a PSW territory upgrade to the PCU.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001214:GPRS TER UG FROM CSW PARTIAL
001215:GPRS TER UG FROM CSW FAILED
Operability class:
Relatedto feature:
BSS115171:Dynamic Abis Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
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3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.215 001214 / GPRS TER UG FROM CSW PARTIAL
CounterID: 001214
Networkelement name: GPRS TER UG FROM CSW PARTIAL
Version: 2.1 NetAct name: GPRS_TER_UG_FROM_CSW_PARTIAL
Description:Number of territory upgrade requests from the CSW RRM to the PCU that havebeen served with less radio time slots than requested, i.e. partially successfulPSW territory upgrade in the PCU. Dependencies: 001213
Updated:When the PCU upgrades the GPRS territory with less RTSLs than the RRM requestedfor.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001213:GPRS TER UG REQ FROM CSW
Operability class:
Relatedto feature:
BSS115171:Dynamic Abis Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
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2.216 001215 / GPRS TER UG FROM CSW FAILED
CounterID: 001215
Networkelement name: GPRS TER UG FROM CSW FAILED
Version: 2.1 NetAct name: GPRS_TER_UG_FROM_CSW_FAILED
Description:Number of territory upgrade requests from the CSW RRM to the PCU where theupgrade of the single new radio time slots to the PCU was not successful.Dependencies: 001213
Updated:When the PCU rejects the whole PSW territory upgrade, i.e. no single new RTSLwas upgraded to the PCU.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001213:GPRS TER UG REQ FROM CSW
Operability class:
Relatedto feature:
BSS115171:Dynamic Abis Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.217 001216 / TCH REQ REJ DUE TO LACK OF RES PERBCSU
CounterID: 001216
Networkelement name: TCH REQ REJ DUE TO LACK OF RES PERBCSU
Version: 2.1 NetAct name: TCH_REQ_REJ_DUE_NO_RES_BCSU
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Description:Number of TCH requests rejected because of lack of capacity in one of theBCSU units.
Updated:When there is no BCSU capacity available for either call or HO attempt requests.This counter may be updated either immediately after a TCH request or, incase of queuing, when the queuing timer expires. When the TCH request isrejected in case of directed retry (DR), this counter is updated as follows:1) When a call is removed from the queue due to a DR attempt, this counteris NOT updated on the SOURCE side. Instead, counter 001173 is updated. 2)If queuing is not used or the queuing timer expires before a DR attempt, thiscounter is updated on the SOURCE side. 3) On the TARGET side, this counteris updated in case of congestion (blocking).
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001173:REMOVAL FROM QUE DUE TO DR
Operability class:
Relatedto feature:
BSS115173:Soft Channel Capacity
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.218 001217 / INTERNAL TO EXTERNAL HO
CounterID: 001217
Networkelement name: INTERNAL TO EXTERNAL HO
Version: 2.0 NetAct name: NBR_OF_INT_HO_TO_EXT
Description:Number of internal handovers changed to external handovers.
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Updated:When an internal handover is aborted by changing it to an external handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20117:TCSM3i
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release: S12 (Name changed)
2.219 001218 / NOT CHANGED INTERNAL HO
CounterID: 001218
Networkelement name: NOT CHANGED INTERNAL HO
Version: 2.0 NetAct name: NBR_OF_NOT_CHANGED_INT_HO
Description:Number of internal handovers that should be changed to external handovers,but for which the change is not allowed.
Updated:When an internal handover should be changed to an external handover, but thechange is not allowed due to too high A interface load.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
BSS20117:TCSM3i
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release: S12 (Name changed)
2.220 001219 / SPARE001219
CounterID: 001219
Networkelement name: SPARE001219
Version: 2.0 NetAct name: SPARE001219
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
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2.221 001220 / SPARE001220
CounterID: 001220
Networkelement name: SPARE001220
Version: 2.0 NetAct name: SPARE001220
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.222 001221 / SPARE001221
CounterID: 001221
Networkelement name: SPARE001221
Version: 2.0 NetAct name: SPARE001221
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.223 001222 / SPARE001222
CounterID: 001222
Networkelement name: SPARE001222
Version: 2.0 NetAct name: SPARE001222
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
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2.224 001223 / SPARE001223
CounterID: 001223
Networkelement name: SPARE001223
Version: 2.0 NetAct name: SPARE001223
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.225 001224 / SPARE001224
CounterID: 001224
Networkelement name: SPARE001224
Version: 2.0 NetAct name: SPARE001224
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.226 001225 / SPARE001225
CounterID: 001225
Networkelement name: SPARE001225
Version: 2.0 NetAct name: SPARE001225
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
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2.227 001226 / SPARE001226
CounterID: 001226
Networkelement name: SPARE001226
Version: 2.0 NetAct name: SPARE001226
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.228 001227 / SPARE001227
CounterID: 001227
Networkelement name: SPARE001227
Version: 2.0 NetAct name: SPARE001227
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.229 001228 / SPARE001228
CounterID: 001228
Networkelement name: SPARE001228
Version: 2.0 NetAct name: SPARE001228
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
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2.230 001229 / SPARE001229
CounterID: 001229
Networkelement name: SPARE001229
Version: 2.0 NetAct name: SPARE001229
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.231 001230 / SPARE001230
CounterID: 001230
Networkelement name: SPARE001230
Version: 2.0 NetAct name: SPARE001230
Description:Reserved for future use.
Updated:
Logicaltype:
Trigger type: Sampling interval:
Unit: Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S11.5
Definition updatedin release:
2.232 001231 / SDCCH LU ATTEMPTS
CounterID: 001231
Networkelement name: SDCCH LU ATTEMPTS
Version: 2.0 NetAct name: SDCCH_LU_ATTEMPT
Description:Number of SDCCH location update requests. Counter 001000 is updated beforethis counter.
Updated:When a location update is received as SDCCH request type.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001000:SEIZURE ATTEMPTS
Operability class:
Relatedto feature:
BSS20003:CS Statistics Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S12
Definition updatedin release:
2.233 001232 / SDCCH LU ATTEMPTS FAIL
CounterID: 001232
Networkelement name: SDCCH LU ATTEMPTS FAIL
Version: 2.0 NetAct name: SDCCH_LU_ATTEMPT_FAIL
Description:Number of failed SDCCH location update requests. Counter 001231 is updatedbefore this counter.
Updated:When a channel allocation for SDCCH location update fails.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
001231:SDCCH LU ATTEMPTS
Operability class:
Relatedto feature:
BSS20003:CS Statistics Enhancements
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S12
Definition updatedin release:
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2.234 001233 / DROPS AFTER DTM CS TCHASSIGNMENT
CounterID: 001233
Networkelement name: DROPS AFTER DTM CS TCHASSIGNMENT
Version: 2.0 NetAct name: DROP_AFTER_DTM_TCH_ASSIGN
Description:Number of DTM CS TCHs dropped after the CS TCH has been assigned.
Updated:When a CS TCH drop in the PS territory occurs between ASSIGNMENT COMPLETEand DISCONNECT messages. This counter is updated in call phases 2, 3, 9,10, 11 and 15 only. See figure DTM CS connection drops after ASSIGNMENT COMPLETE;CONNECTION FAILURE received.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20088:Dual Transfer Mode
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S12
Definition updatedin release:
2.235 001234 / DTM CS TCH DROPS BETWEENASSCOMPL AND RFCH REL ACK
CounterID: 001234
Networkelement name: DTM CS TCH DROPS BETWEENASSCOMPL AND RFCH REL ACK
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Version: 2.0 NetAct name: DROP_DTM_TCH_ASCMPL_RFCH_REL
Description:Number of DTM CS TCHs dropped between ASSIGNMENT COMPLETE and RF CHANNELRELEASEACK messages.
Updated:When a CS TCH drop in the PS territory occurs between ASSIGNMENT COMPLETEand RF CHANNEL RELEASE ACK messages. This counter is updated in call phases2, 3, 4, 9, 10, 11 and 15 only. See figures: - DTM CS connection drops afterASSIGNMENT COMPLETE; CONNECTION FAILURE received - DTM CS connection dropsafter ASSIGNMENT COMPLETE; RELEASE INDICATION not received
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20088:Dual Transfer Mode
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S12
Definition updatedin release:
2.236 001235 / FORCED RELEASE AFTER FORCED HO
CounterID: 001235
Networkelement name: FORCED RELEASE AFTER FORCED HO
Version: 1.0 NetAct name: FCD_RELEASE_AFTER_FCD_HO_ATT
Description:Number of started forced releases after an unsuccessful forced handover attempt.
Updated:When a BSC starts the forced release procedure due to an unsuccessful forcedhandover attempt.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.237 001236 / CLASS 2 SUBSCRIBER FORCEDRELEASE
CounterID: 001236
Networkelement name: CLASS 2 SUBSCRIBER FORCED RELEASE
Version: 1.0 NetAct name: CL_2_SUBS_FORCED_RELEASE
Description:Number of forced releases of class 2 subscriber TCHs.
Updated:When a TCH of a class 2 subscriber is released with cause pre-emption. TheMSC sends CLEAR COMMAND message using the cause Pre-emption to the BSC.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
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3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.238 001237 / TCH REQUESTS FOR CALL ATTEMPTCLASS 1
CounterID: 001237
Networkelement name: TCH REQUESTS FOR CALL ATTEMPTCLASS 1
Version: 1.0 NetAct name: TCH_REQUESTS_CALL_ATT_CL_1
Description:Number of TCH channel requests for a call from class 1 subscribers.
Updated:When a TCH is requested for a call by class 1 subscriber. The counter is updatedonly once for every call attempt, that is, it is not updated for the TCH-TCHhandover attempts. In segment environment, if the seizure of a TCH is successful,the counter is updated to the BTS from where the TCH was successfully seizured.If the seizure is unsuccessful, the counter is updated to the BCCH BTS.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S13
Definition updatedin release:
2.239 001238 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 1
CounterID: 001238
Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 1
Version: 1.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATT_CL_1
Description:Number of successful TCH channel seizures for a call from class 1 subscribers.
Updated:When a TCH is successfully allocated for a class 1 subscriber's call. Thecounter is updated only once for every call attempt, that is, it is not updatedfor the TCH-TCH handover attempts.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
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2.240 001239 / TCH REQUESTS FOR CALL ATTEMPTCLASS 2
CounterID: 001239
Networkelement name: TCH REQUESTS FOR CALL ATTEMPTCLASS 2
Version: 1.0 NetAct name: TCH_REQUESTS_CALL_ATT_CL_2
Description:Number of TCH channel requests for a call from class 2 subscribers.
Updated:When a TCH is requested for a call by class 2 subscriber. The counter is updatedonly once for every call attempt, that is, it is not updated for the TCH-TCHhandover attempts. In segment environment, if the seizure of a TCH is successful,the counter is updated to the BTS from where the TCH was successfully seizured.If the seizure is unsuccessful, the counter is updated to the BCCH BTS.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.241 001240 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 2
CounterID: 001240
Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 2
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Version: 1.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATT_CL_2
Description:Number of successful TCH channel seizures for a call from class 2 subscribers.
Updated:When a TCH is successfully allocated for a class 2 subscriber's call. Thecounter is updated only once for every call attempt, that is, it is not updatedfor the TCH-TCH handover attempts.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.242 001241 / TCH REQUESTS FOR CALL ATTEMPTCLASS 3
CounterID: 001241
Networkelement name: TCH REQUESTS FOR CALL ATTEMPTCLASS 3
Version: 1.0 NetAct name: TCH_REQUESTS_CALL_ATT_CL_3
Description:Number of TCH channel requests for a call from class 3 subscribers.
Updated:When a TCH is requested for a call by class 3 subscriber. The counter is updatedonly once for every call attempt, that is, it is not updated for the TCH-TCHhandover attempts. In segment environment if the seizure of a TCH is successful,the counter is updated to the BTS from where the TCH was successfully seizured.If the seizure is unsuccessful, the counter is updated to the BCCH BTS.
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Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.243 001242 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 3
CounterID: 001242
Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 3
Version: 1.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATT_CL_3
Description:Number of successful TCH channel seizures for a call from class 3 subscribers.
Updated:When a TCH is successfully allocated for a class 3 subscriber's call. Thecounter is updated only once for every call attempt, that is, it is not updatedfor the TCH-TCH handover attempts.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
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Relatedto feature:
BSS20869:Market Expansion Toolkit
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.244 001243 / DR TRAU DOWNGRADE ATTEMPTED INAMR HO
CounterID: 001243
Networkelement name: DR TRAU DOWNGRADE ATTEMPTED INAMR HO
Version: 1.0 NetAct name: DR_TRAU_DG_ATT_IN_AMR_HO
Description:Number of intra-BSC AMR FR to AMR HR handovers where the TRAU mode is attemptedto be changed from FR to DR TRAU mode before handover.
Updated:When changing from FR TRAU to DR TRAU mode during AMR FR to AMR HR handoverin source BTS (The Mode Modify with 8 kbps TRAU bit set is sent to the sourceBTS).
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20588:TRAU Bicasting in AMR FR/HR Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
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Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.245 001244 / DR TRAU DOWNGRADE ATTEMPTFAILED
CounterID: 001244
Networkelement name: DR TRAU DOWNGRADE ATTEMPT FAILED
Version: 1.0 NetAct name: DR_TRAU_DG_ATT_FAILED
Description:Number of intra-BSC AMR FR to AMR HR handovers where the TRAU mode changingfrom FR to DR TRAU fails.
Updated:When changing from FR TRAU to DR TRAU mode during AMR FR to AMR HR handoverfails in source BTS (The Mode Modify Nack is received from source BTS or supervisiontimer for the Mode Modify Ack expires).
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20588:TRAU Bicasting in AMR FR/HR Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
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2.246 001245 / DR TRAU UPGRADE ATTEMPTED IN AMRHO
CounterID: 001245
Networkelement name: DR TRAU UPGRADE ATTEMPTED IN AMRHO
Version: 1.0 NetAct name: DR_TRAU_UG_ATT_IN_AMR_HO
Description:Number of intra-BSC AMR HR to AMR FR handovers where the TRAU mode is attemptedto be changed from DR to FR TRAU mode after handover.
Updated:When changing from DR TRAU to FR TRAU mode during AMR HR to AMR FR handoverin target BTS (The Mode Modify with 8 kbps TRAU bit cleared is sent to thetarget BTS).
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20588:TRAU Bicasting in AMR FR/HR Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.247 001246 / DR TRAU UPGRADE ATTEMPT FAILED
CounterID: 001246
Networkelement name: DR TRAU UPGRADE ATTEMPT FAILED
Version: 1.0 NetAct name: DR_TRAU_UG_ATT_FAILED
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Description:Number of intra-BSC AMR HR to AMR FR handovers where the TRAU mode changingfrom DR to FR TRAU fails.
Updated:When changing from DR TRAU to FR TRAU mode during AMR HR to AMR FR handoverfails in target BTS (The Mode Modify Nack is received from target BTS or supervisiontimer for the Mode Modify Ack expires).
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20588:TRAU Bicasting in AMR FR/HR Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.248 001247 / SEIZURE IN AMR FR TO HR HO
CounterID: 001247
Networkelement name: SEIZURE IN AMR FR TO HR HO
Version: 1.0 NetAct name: SEIZ_AMR_FR_TO_HR
Description:Number of successful TCH seizures in intra-BSC AMR FR to AMR HR handovers.
Updated:When an AMR HR channel is allocated in intra-BSC handover and the source channelmode is AMR FR.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
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Operability class:
Relatedto feature:
BSS20588:TRAU Bicasting in AMR FR/HR Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.249 001248 / SEIZURE IN AMR HR TO FR HO
CounterID: 001248
Networkelement name: SEIZURE IN AMR HR TO FR HO
Version: 1.0 NetAct name: SEIZ_AMR_HR_TO_FR
Description:Number of successful TCH seizures in intra-BSC AMR HR to AMR FR handovers.
Updated:When an AMR FR channel is allocated in intra-BSC handover and the source channelmode is AMR HR.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20588:TRAU Bicasting in AMR FR/HR Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
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Usedfrom release: S13
Definition updatedin release:
2.250 001249 / INTERNAL AMR HO TO EXTERNAL
CounterID: 001249
Networkelement name: INTERNAL AMR HO TO EXTERNAL
Version: 1.0 NetAct name: INT_AMR_HO_TO_EXT
Description:Number of intra-BSC AMR FR to AMR HR and AMR HR to AMR FR handovers that arechanged to MSC controlled in order to reduce break in DL speech path.
Updated:When an intra-BSC AMR FR to AMR HR or AMR HR to AMR FR handover is abortedand handover is changed to external in order to reduce break in DL speechpath.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS20588:TRAU Bicasting in AMR FR/HR Handover
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
2.251 001250 / SUCCESSFUL LRTCH SEIZURES
CounterID: 001250
Networkelement name: SUCCESSFUL LRTCH SEIZURES
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Version: 1.0 NetAct name: SUCC_LRTCH_SEIZ
Description:Number of succesful Long Reach TCH seizures.
Updated:When a BSC allocates Long Reach TCH for incoming external handover.
Logicaltype: Sum
Trigger type: Event Sampling interval:
Unit: Integer number Range: Example values:
Dependencies withother counters:
Operability class:
Relatedto feature:
BSS21274:Long Reach TSL (Flexi EDGE BTS)
Related to standard:
3GPPMeasurement name (Clause header):
3GPPMeasurement type:
Exceptionsto related standard:
Usedfrom release: S13
Definition updatedin release:
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3 Signalling charts of Traffic Measurement
The following figures show the signalling charts of Traffic Measurement:
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Figure 1. Basic call without counters
Immediate assign command
BSC:MS: BTS: MSC:
PagingPaging commandPaging request
Radio access part on CCCH
Paging part
Channel request Channel requiredChannel activation
Channel activation ackImmediate assign
DDCH establishment part
Sabm Establish indication Paging response
Ciphering mode complete
SDCCH signalling part
SetupSetupCall proceeding Call proceeding
Assignment requestPhysical context requestPhysical context confirm
Channel activationChannel activation ack
Assignment command
TCH seized, FACCH signalling part
Ua
Sabm Establish indicationUa
Assignment complete Assignment completeRf channel release
Rf channel release ackAlert AlertConnect Connect
Connect ackConnect ack
Conversation phase
Release completeClear command
Clear completeChannel releaseDeactivate SACCHDisc
Ua Release indicationRf channel release
Rf channel release ack
Release by MS
Disconnect DisconnectReleaseRelease
Release complete
Authentification requestAuthentification requestAuthentification response Authentification response
Identification requestIdentification requestIdentification response Identification response
Ciphering mode commandEncryption commandCiphering mode commandCiphering mode complete
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Figure 2. Basic call with counters
BTS: MSC:MS: BSC:
TCH succ req in norm assign 001009
Radio access part on CCCH
Paging part
Channel request Channel required
Channel activation
Physical context confirm
Channel activation
Basic call signalling continuos, see figure 1
Basic call signalling, see figure 1
SDCCH seiz att for MOCorSDCCH seiz att for MTC
001135
001136
FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign
001114
001115
FR TCH succ seizorHR TCH succ seiz
001106
001107
SDCCH attempts 001000
SDCCH succ seiz for imm assign 001007
TCH requests 001010
TCH req for norm assign 001026
Ass req, que alloworAss req, que not allow
001056
001057
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
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Figure 3. Basic call with priority subscriber
BTS: MSC:BSC:
TCH req for norm assign 001026
TCH requests 001010
Physical context confirm
Channel activation
Basic call signalling continuos, see figure 1
Basic call signalling, see figure 1
001054
001055
Ass req that can cause forced relorAss req that can cause forced HO
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
TCH req with prior subscriber 001095
001137
001138
FR TCH succ seizorHR TCH succ seiz
001106
001107
FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign
001114
001115
TCH seiz att for MOCorTCH seiz att for MTC
TCH succ req in norm assign 001009
Succ TCH req with prior subscriber 001096
MS:
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Figure 4. FACCH call setup due to SDCCH congestion without counters
BSC:MS: MSC:BTS:
Mode modify request
Channel request Channel required
Channel activation
Channel activation ack
Immediate assign command
Immediate assign
SetupSetup
Call proceeding Call proceeding
Assignment request
Mode modify ack
Channel mode modification
Channel mode modification ack
Assignment complete
Alert Alert
Connect Connect
Connect ackConnect ack
Channel mode modification
Channel mode modification ack
Conversation phase
Release by MS
DDCH establishment part
TCH, FACCH signalling part
Radio access part on CCCH
Paging part
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Figure 5. FACCH call setup due to SDCCH congestion with counters
BTS: MSC:MS: BSC:
Unsucc imm ass SDCCH attempt 001155
SDCCH attempts 001000
TCH request 001010
Succ TCH seiz due SDCCH cong 001099
001044
Att to seize TCH due SDCCH cong 001098
TCH req for FACCH call set-up 001043
Seiz att with busy SDCCH 001001
Radio access part on CCCH
Paging part
Channel request Channel required
Channel activation
FACCH call set-up signalling, see figure 4
Succ FR TCH seiz in FACCH callset-uporSucc HR TCH seiz in FACCH callset-up
001125
001126
001135
001136
SDCCH seiz att for MOCorSDCCH seiz att for MTC
001123
001124
001137
001138
Succ TCH seiz in FACCH callset-up
TCH seiz att for MOCorTCH seiz att for MTC
FR TCH req for FACCH call set-uporTCH req for FACCH call set-up, chrt not def
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Figure 6. FACCH call setup due to SDCCH congestion, no free TCH channel.Optional software directed retry is not activated
BSC:
Unsucc imm ass SDCCH attempt 001155
TCH request rejected due to cong 001141
Att to seize TCH due SDCCH cong 001098
TCH req for FACCH call set-up 001043
TCH requests 001010
Seiz att with busy SDCCH 001001
SDCCH attempts 001000
MS: MSC:BTS:
Immediate assignment reject
Channel required
Radio access part on CCCH
Paging part
Channel request
No free TCH
001135
001136
SDCCH seiz att for MOCorSDCCH seiz att for MTC
001123
001124
FR TCH req for FACCH call set-uporTCH req for FACCH call, ch rate notdef
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
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Figure 7. Normal release
Radio access part on CCCH
Paging part
DDCH establishment part
TCH seized, FACCH signalling part
Conversation phase
Release by MS
Disconnect Disconnect
ReleaseRelease
Release complete Release complete
Clear command
Channel release
Deactive sacch
Disc
Ua
Release indication
Rf channel rel
Rf channel rel ack
Clear complete
SDCCH signalling part
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
BSC:MS: MSC:BTS:
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Figure 8. Basic call, no free TCH and queuing or directed retry is not allowed
BSC:
Ass req, queuing not allow 001057
TCH req for norm assign 001026
TCH requests 001010
Rej ass req, que not allow 001061
TCH req rej due to lack 001011
TCH req rej due to cong 001141
MS: MSC:BTS:
Assignment failure
Rf channel release
Rf channel release ack
Clear command
Channel release
Deactive sacchDisc
UaRelease indication
Clear complete
Physical context confirm
Basic call signalling, see figure 1
No free TCH and queueing or DR not allowed
TCH seiz att for MOCorTCH seiz att for MTC
001137
001138
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
FR TCH req rej due to lackorHR TCH req rej due to lack
001118
001119
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Figure 9. Successful TCH queuing
BTS: MSC:MS: BSC:
Queue denominator 2 001021
Ave queue time of call attempt 001020
TCH succ req in norm assign 001009
Ass req, queuing allowed 001056
TCH req for norm assign 001026
TCH requests 001010
Call att set in queue for TCH 001016
Queuing indication
Rf channel release
Rf channel release ack
Basic call signalling, see figure 1
TCH channel is released, request is taken from queue
Physical context confirm
Channel activation
Basic call signalling, see figure 1
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
TCH seiz att for MOCorTCH seiz att for MTC
001137
001138
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
FR TCH succ seizorHR TCH succ seiz
001106
001107
FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign
001114
001115
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Figure 10. Basic call, no free TCHs, unsuccessful queuing and directed retrynot activated
BSC:
001020
Call att in queue not served 001024
TCH req rej due to cong 001141
MS: MSC:BTS:
Assignment failure
Rf channel release
Rf channel release ack
Clear command
Channel release
Deactive sacchDisc
UaRelease indication
Clear complete
Physical context confirm
Basic call signalling, see figure 1
No TCH released in time
001118
001119
FR TCH req rej due to lackorHR TCH req rej due to lack
Rej ass req, que allowed 001060
Call att set in queue for TCH 001016
TCH req rej due to lack 001011
Queuing indication
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
No free TCH, call is set in queue
Ass req, queuing allowed 001056
TCH seiz att for MOCorTCH seiz att for MTC
001137
001138
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
TCH requests 001010
TCH req for norm assign 001026
Queue denominator 2 001021
Ave queue time of call attempt
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Figure 11. TCH assignment failure with cause switch_circuit_pool, queuing anddirected retry not allowed
BTS: MSC:MS: BSC:
Ass req, que not allowed 001057
TCH requests 001010
Assignment failure
Clear command
Channel release
Deactive SACCH
Disc
Ua
Release indication
Rf channel release
Rf channel release ack
Physical context confirm
Clear complete
Basic call signalling, see figure 1
TCH req for norm assign 001026
001104
001105
FR pref TCH requestsorHR pref TCH requests
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
TCH req rej due to lack 001011
Rej ass req, que not allow 001061
001118
001119
FR TCH req rej due to lackorHR TCH req rej due to lack
TCH req rej due change crct pool 001122
TCH req rej due to cong 001141
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Figure 12. Unsuccessful TCH activation
BTS: MSC:MS: BSC:
Assignment failure
Clear command
Channel release
Deactive SACCH
Disc
Ua
Release indication
Clear complete
Basic call signalling, see figure 1
TCH activation fail 001028
SDCCH Rf channel rel
SDCCH Rf channel rel ack
Rf channel rel ack
Physical context request
Assignment request
Physical context confirm
Channel activation
Channel activation nack
Rf channel rel
Failure
TCH transact end due ch act fail 001081
001133
001134
FR TCH transactions failorHR TCH transactions fail
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001108
001109
001110
001111
001112
001113
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Figure 13. Unsuccessful TCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message
MSC:BSC:BTS:MS:
TCH rel due BSS fail 001140
TCH transact end due BSS probl 001012
Start timer T9103
SDCCH Rf channel rel
SDCCH Rf channel rel ack
Rf channel rel ack
Assignment failure
Clear command
Channel release
Deactive SACCHDisc
Ua Release indication
Clear complete
Physical context request
Assignment request
Physical context confirm
Channel activation
Rf channel rel
Basic call signalling, see figure 1
TCH transact end due Abis fail 001045
TCH transact end due Abis fail 001084
001133
001134
FR TCH transactions failorHR TCH transactions fail
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
Timer T9103 expires
TCH rel due to BSS fail PH 2-3 001199
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Figure 14. TCH assignment failure
MSC:BSC:BTS:MS:
SDCCH Rf channel rel
SDCCH Rf channel rel ack
Assignment failure
Clear command
Channel release
Deactive SACCHDisc
UaRelease indication
Clear complete
Failure
TCH Rf channel rel ack
Assignment request
Assignment command
Assignment failure
TCH Rf channel release
Physical context request
Physical context confirm
Channel activation
Channel activation ack
Basic call signalling, see figure 1
SDCCH trans end due radio fail 001003
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001133
001134
FR TCH transactions failorHR TCH transactions fail
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Figure 15. TCH assignment failure, MSC sends CLEAR_COMMAND message
MSC:BSC:BTS:MS:
SDCCH Rf channel rel
SDCCH Rf channel rel ack
TCH Rf channel rel ack
Radio access part on CCCH
Paging part
TCH seized, FACCH signalling part
Sabm
Disc
DDCH establishment part
Ua
Channel release
Release indication
TCH Rf channel release
Establish indicationClear command
Clear complete
Deactive SACCH
SDCCH signalling part
TCH transact end due BSS probl 001012
TCH transact end due A int fail 001051
TCH transact end due A int fail 001087
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001133
001134
FR TCH transactions failorHR TCH transactions fail
TCH rel due BSS fail 001140
TCH rel due to BSS fail PH 2-3 001199
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Figure 16. CONNECTION_FAILURE message with cause transcoder_failureduring a call
MSC:BSC:BTS:MS:
Failure
TCH transact end due transc fail 001029
Rf channel rel ack
Conversation phase
Clear request
Disc
Ua
Channel release
Release indication
Rf channel release
Connection failure
Clear command
Clear complete
Deactive SACCH
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001127
001128
001129
001130
001131
001132
TCH transc fail FR speech ver 1orTCH transc fail FR speech ver 2orTCH transc fail FR speech ver 3orTCH transc fail HR speech ver 1orTCH transc fail HR speech ver 2orTCH transc fail HR speech ver 3
001133
001134
FR TCH transactions failorHR TCH transactions fail
Drop after TCH assign 001202
Drop TCH asscompl to RFCH rel 001204
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Figure 17. TRX or TSL is blocked with different causes during a call
MSC:BSC:BTS:MS:
TCH transact end due LAPD fail 001046
TCH Abis probl 001045
TCH transact end due BSS probl 001012
TRX / TSL is blocked
Clear complete
Rf channel rel ack
Conversation phase
Clear request
Disc
Ua
Channel release
Rf channel release
Clear command
Deactive SACCH
TCH transact end due BTS fail 001047
TCH transact end due USER act 001048
TCH transact end due NETW act 001050
TCH transact end due Abis int fail 001084
001133
001134
FR TCH transactions failorHR TCH transactions fail
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
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Figure TRX or TSL is blocked with different causes during a call: Countersupdated with cause LAPD_failure: 001012 and 001046. Counters updatedwith cause BTS_failure: 001012 and 001047. Counter 001048 is updatedwith cause USER_actions. Counter 001050 is updated with causeNETW_actions. Counters updated with cause ABIS_failure: 001012,001045 and 001084. Counter 001108, 001109, 001110, 001111, 001112 or001113 and counter 001133 or 001134 are always updated with thesecauses.
Figure 18. SDCCH congestion, FACCH call setup is not activated
BSC:
Unsucc imm ass SDCCH att001155
SDCCH seiz att for MOC001135 or
SDCCH seiz att for MTC001136
SDCCH attempts001000
Seiz att with busy SDCCH001001
MS: MSC:BTS:
Immediate assignment reject
Channel required
Channel request
Paging part
Radio access part on CCCH
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Figure 19. Unsuccessful SDCCH activation
BSC:
SDCCH transact end due ch act fail001072
SDCCH activation failure001027
MS: MSC:BTS:
Failure
Channel request
Channel required
Channel activation
Channel activation nack
Rf channel release
Rf channel release ack
Immediate assignment reject
Radio access part on CCCH
Paging part
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Figure 20. Unsuccessful SDCCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message
MSC:BSC:BTS:MS:
SDCCH transact end dueBSS fail
Start timer T9103
Channel request
Channel required
Channel activation
Paging part
Rf channel release
Rf channel release ack
Immediate assignment reject
Radio access part on CCCH
Timer T9103 expires
SDCCH transact end duefail in Abis int
SDCCH transact end due fail in Abis intduring a call
001002
001033
001075
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Signalling charts of Traffic Measurement
Figure 21. Connection failure during SDCCH assignment
BTS:
Failure
MSC:MS: BSC:
SDCCH transact ended due radio fail
001003
Channel request Channel required
Channel activation
Channel activation ack
Immediate assign command
Immediate assign
Connection failure
Channel release
Deactive SACCHDisc
Ua
Release indication
Rf channel release
Rf channel release ack
Radio access part on CCCH
Paging part
DDCH establishment part
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Figure 22. SDCCH assignment failure
BTS: MSC:MS: BSC:
SDCCH transact end due fail in A -intduring a call
001078
SDCCH transact end due fail in A -int001034
SDCCH transact end due BSS fail001002
Failure
Assignment request
Channel release
Deactive SACCHDisc
Ua
Release indication
Rf channel release
Rf channel release ack
Assignment failure
Clear command
Clear complete
Basic call signalling, see figure 1
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Signalling charts of Traffic Measurement
Figure 23. Unsuccessful SDCCH activation, timer expires while waiting forPHYSICAL_CONTEXT_CONFIRM message
MSC:BSC:BTS:MS:
SDCCH transact end dueBSS fail
SDCCH transact end duefail in Abis int
SDCCH transact end due fail in Abis intduring a call
001002
001033
001075
Timer T9108 expires
Start timer T9108
Assignment request
Physical context request
Assignment failure
Basic call signalling, see figure 1
Clear command
Rf channel release
Rf channel release ack
Channel release
Deactive SACCHDisc
UaRelease indication
Clear complete
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Figure 24. TRX/TSL is blocked with different causes during an SDCCH channelactivation
Figure TRX/TSL is blocked with different causes during an SDCCHchannel activation: Counters updated with cause LAPD_failure: 001002and 001035. Counters updated with cause BTS_failure: 001002 and001036. Counter 001037 is updated with cause USER_actions. Counter001039 is updated with cause NETW_actions. Counters updated withcause ABIS_failure: 001002, 001033 and 001075.
MSC:BSC:BTS:MS:
SDCCH transact end dueBSS fail
SDCCH transact end duefail in Abis int
001002
001033
TRX / TSL is blocked
Channel requestChannel required
Channel activation
Paging part
Rf channel release
Rf channel release ack
Immediate assignment reject
SDCCH transaction end dueLAPD fail 001035
SDCCH transact ended dueBTS fail 001036
SDCCH transact end dueuser actions 001037
SDCCH transact end duenetw act fail 001039
SDCCH transact end due fail in Abis intduring a call 001075
Radio access part on CCCH
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Signalling charts of Traffic Measurement
Figure 25. Successful trunk reservation. Counters updated: 001040, 001041and basic call counters, see Figure 2.
BSC:
Succ trunk reservations
001041
Trunk reservations
001040
MS: MSC:BTS:
Physical context request
Assignment request
Physical context confirm
Channel activation
Channel activation ack
Assignment command
Basic call signalling, see figure 1
Basic call signalling, see figure 1
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Figure 26. Unsuccessful trunk reservation
MSC:BSC:BTS:MS:
TCH req for norm assign 001026
TCH requests 001010
Trunk reservations 001040
Assignment failure
Rf channel release
Rf channel release ack
Basic call signalling, see figure 1
Clear command
Channel release
Deactive sacchDisc
UaRelease indication
Clear complete
Physical context confirm
001056
001057
Ass req, que alloworAss req, que not allow
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
Unsuccessful trunk reservation
Refus TCH req of non-prior subsc 001097
Refused trunk reservations 001042
001100
001101
FR TCH req for trunk reserv rejorHR TCH req for trunk reserv rej
001060
001061
Rej ass req, queueing allowedorRej ass req, queueing not allowed
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
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Figure 27. Successful internal intra-cell handover. Counters 001090 and001091 are updated only with underlay overlay handover.
MSC:BSC:BTS:MS:
TCH requests 001010
Meas report Meas result
Physical context request
Physical context confirm
HO measurement, Old TCH channel
Channel activationChannel activation ack
Assignment command
Assignment command
Sabm Establish indication
Ua
Rr HO performed
Rf channel release
Rf channel release ack
Assignment completeAssignment complete
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
001064
001065
Att to req HO, que allowedorAtt to req HO, que not allowed
001102 or001103 or001104 or001105
FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests
TCH req for underlay/overlay HO 001090
Succ TCH req for HO 001008
TCH seiz for underlay/overlay HO 001091
001106 or001107
FR TCH succ seizHR TCH succ seiz
Succ seiz of FR TCH in int HOwith ch rate changesorSucc seiz of HR TCH in int HOwith ch rate changes
001116
001117
Old TCH channel release
Signalling on new TCH channel
Signalling on old TCH channel
New TCH channel reservation and activation
BTS HO assgn 001197
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Figure 28. Internal intra-cell HO, successful TCH queuing
MSC:BSC:BTS:MS:
TCH requests 001010
Meas report Meas resultPhysical context request
Physical context confirm
Channel activation
Rf channel releaseRf channel release ack
001102 or001103 or001104 or001105
FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests
TCH req for underlay/overlay HO 001090
001106 or001107
FR TCH succ seizHR TCH succ seiz
New TCH channel reservation and activation
HO measurement, Old TCH channel
Att to req HO, que allowed 001064
No free TCH, request is set in queue
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
TCH channel is released, request is taken from queue
HO signalling, see figure 27
001137 or001138
TCH seiz att for MOCTCH seiz att for MTC
HO att set in queue for TCH 001017
Queued urgent HO attempt 001142
001023
001022
Queue denominator 3
Ave queue time of ho attempt
001143
001145
Ave queue time of urgent ho attorAve queue time of non urgent ho att
Queue denominator 4Queue denominator 4
001144 or001146
Succ TCH req for HO 001008
TCH seiz for underlay/overlay HO 001091
Succ FR TCH int HO with ch rt chorSucc HR TCH int HO with ch rt ch
001116
001117
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Signalling charts of Traffic Measurement
Figure Internal intra-cell HO, successful TCH queuing: Counters 001090and 001091 are updated only with underlay overlay HO. Counters 001142,001143 and 001144 are updated only if the HO is started by causeurgent_handover. 001145 and 001146 are updated only if the HO is startedby cause non_urgent_handover.
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Figure 29. Unsuccessful internal intra-cell handover, timer expires while waitingfor CHANNEL_ACTIVATION_ACK message
MSC:BSC:BTS:MS:
TCH transact end due BSS probl 001012
Start timer T9103
Timer T9103 expires
Meas report Meas result
Physical context request
Physical context confirm
Channel activation
Call going on the TCH channel
Rf channel release
Rf channel release ack
HO measurement, HO decision
New TCH channel reservation and activation
Normal HO counters updated, see figure 27
TCH Abis probl 001045
TCH transact end due Abis int failon new channel
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
FR TCH transactions failorHR TCH transactions fail
001133
001134
Call continuous on the old TCH channel
001086
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Signalling charts of Traffic Measurement
Figure 30. Unsuccessful internal intra-cell handover, CONNECTION_FAILUREmessage with cause remote_transcoder_failure comes to the targetchannel
MSC:BSC:BTS:MS:
Meas report Meas result
Physical context requestPhysical context confirm
Channel activation
Call going on the TCH channel
HO measurement, HO decision
New TCH channel reservation and activation
TCH transact end due transcfail on target
FR TCH transactions failorHR TCH transactions fail
001133
001134
001031
Channel activation ack
Call continuous on the old TCH channel
Signalling on FACCH TCH (old channel)Assignment command
Connection failure
Assignment command
Rf channel release
Rf channel release ack
HO failure HO failure
Signalling on FACCH TCH (new channel), channel release
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001127
001128
001129
001130
001131
001132
TCH transc fail FR speech ver 1orTCH transc fail FR speech ver 2orTCH transc fail FR speech ver 3orTCH transc fail HR speech ver 1orTCH transc fail HR speech ver 2orTCH transc fail HR speech ver 3
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Figure 31. Unsuccessful internal intra-cell handover, timer expires on thesource channel, call cleared
MSC:BSC:BTS:MS:
Meas report Meas resultPhysical context request
Physical context confirm
FR TCH transactions failHR TCH transactions fail
001133 or001134
Start timer T3107
HO measurement, Old TCH channel
Channel activationChannel activation ack
Assignment commandAssignment command
Sabm Establish indicationUa
Rf channel release
Rf channel release ack
Clear request
Clear command
Rf channel releaseRf channel release ack
Clear complete
New TCH channel reservation and activation
Normal HO counters updated, see figure 6
Signalling on old TCH channel
Signalling on new TCH channel
Signalling on old TCH channel
Timer T3107 expires
New channel release
001108 or001109 or001110 or001111 or001112 or001113
FR TCH speech FR ver 1FR TCH speech FR ver 2FR TCH speech FR ver 3HR TCH speech HR ver 1HR TCH speech HR ver 2HR TCH speech HR ver 3
001133 or001134
FR TCH transactions failHR TCH transactions fail
Old TCH channel release
TCH transact end due fail on source 001014
001108 or001109 or001110 or001111 or001112 or001113
FR TCH speech FR ver 1FR TCH speech FR ver 2FR TCH speech FR ver 3HR TCH speech HR ver 1HR TCH speech HR ver 2HR TCH speech HR ver 3
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Signalling charts of Traffic Measurement
Figure 32. Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed
BSC: MSC:BTS:MS:
Meas report Meas result
Physical context request
Physical context confirm
HO measurement, Old TCH channel
Call continuous on old channel
New TCH channel reservation and activation
No free TCH, queueing not allowed
TCH requests 001010
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
Att to req HO, que not allowed 001065
TCH req for underlay/overlay HO 001090
TCH req rej due to lack 001011
001118
001119
FR TCH req rej due to lackorHR TCH req rej due to lack
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
HO req fail, queueing not allowed 001069
TCH req for underlay/overlay HOrej due lack 001092
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Figure 33. Internal intra-cell handover, unsuccessful TCH queuing
MSC:BSC:BTS:MS:
TCH requests 001010
Meas report Meas result
Physical context request
Physical context confirm
001102 or001103 or001104 or001105
FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests
New TCH channel reservation and activation
HO measurement, Old TCH channel
No free TCH, request is set in queue
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
001137 or001138
TCH seiz att for MOCTCH seiz att for MTC
HO att set in queue for TCH 001017
Queued urgent HO attempt 001142
Queue denominator 3 001023
Ave queue time of ho attempt 001022
Att to req HO, queueing allowed 001064
Call continous on old TCH channel
No suitable TCH released in time
TCH req rej due to lack 001011
HO att in queue not served 001025
HO req rej, queueing allowed 001068
001144 or001146
Queue denominator 4Queue denominator 5
Queued urgent HO att not served 001147
001143
001145
Ave queue time of urgent ho attorAve queue time of non urgent ho att
001118 or001119
FR TCH req rej due to lackHR TCH req rej due to lack
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Signalling charts of Traffic Measurement
Figure Internal intra-cell handover, unsuccessful TCH queuing: Counters001142, 001143, 001144 and 001147 are updated only if the handover isstarted by cause urgent_handover. Counters 001145 and 001146 areupdated only if the handover is started by cause non_urgent_handover.
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Figure 34. Internal directed retry
MSC:BSC:BTS:MS:
TCH requests 001010
Physical context request
Physical context confirm
001102 or001103 or001104 or001105
FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests
Ass req, queueing allowed 001065
Call att set in queue for TCH 001016
Assignment request
Sabm Establish indication
Basic call signalling, see figure 1
Channel activation
Channel activation ack
HO command
HO command
HO access HO detection
Physical info
Ua
Rr Assignment complete
Rf channel release
Rf channel release ack
HO complete HO complete
Cell is congested, no TCH
Queueing indication
TCH reservation and activation in new BTS
Basic call signalling continuous, see figure 1
Queueing possible and started
TCH request for norm assign 001026
TCH req for underlay/overlay HO 001090
001137 or001138
TCH seiz att for MOCTCH seiz att for MTC
Normal HO counters updated, see figure 35
SDCCH release in old BTS
Signalling on FACCH - TCH in new BTS
Signalling on SDCCH in old BTS
DR HO begins
Removal from queue due to DR 001173
Ave queue time of call attempt 001020
Queue denominator 2 001021
BTS O HO cmd 001196
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Signalling charts of Traffic Measurement
Figure 35. Successful internal inter-cell handover
MSC:BSC:BTS:MS:
Sabm Establish indication
Channel activation
Channel activation ack
HO command
HO command
HO access HO detection
Physical info
Ua
Rr HO performed
Rf channel release
Rf channel release ack
HO complete HO complete
TCH requests 001010
Meas report Meas result
HO measurement, Old TCH channel in the old BTS
Signalling on the old TCH channel in the old BTS
Signalling on the new TCH channel in the new BTS
Old TCH channel release in the old BTS
New TCH channel reservation and activation in the new BTS
001137 or001138
TCH seiz att for MOCTCH seiz att for MTC
001064 or001065
Att to req HO, que allowedAtt to req HO, que not allowed
TCH req for underlay/overlay HO 001090
001102 or001103 or001104 or001105
FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests
Succ TCH req for HO 001008
TCH seiz for underlay/overlay HO 001091
001106 or001107
FR TCH succ seizHR TCH succ seiz
Succ seiz of FR TCH in int HOwith ch rate changesSucc seiz of HR TCH in int HOwith ch rate changes
001116 or
001117
BTS O HO cmd 001196
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Figure Successful internal inter-cell handover: Counters 001090 and001091 are updated only with underlay overlay handover.
Figure 36. Unsuccessful internal inter-cell handover
MSC:BSC:BTS:MS:
Meas report Meas result
TCH activation fail 001028
HO measurement, Old TCH channel
Channel activation
Channel activation nack
New TCH channel reservation and activation in new BTS
Call continuous on the old channel
Rf channel release
Rf channel release ack
Normal HO counters updated, see figure 35
New channel release
TCH transact end due TCH actfail in target
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001133
001134
FR TCH transactions failorHR TCH transactions fail
001083
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Signalling charts of Traffic Measurement
Figure 37. Successful external handover, target
MSC:BSC:BTS:MS:
TCH requests 001010
HO request
Channel activation
Channel activation ack
HO request ack
HO access HO detection HO detection
Physical info
Sabm Establish indication
Ua
HO complete
Rr
HO complete HO completed
001064
001065
Att to req HO, que allowedorAtt to req HO, que not allowed
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
Succ TCH req for HO 001008
001106
001107
FR TCH succ seizorHR TCH succ seiz
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Figure 38. Successful external handover, source
BTS: MSC:MS: BSC:
FR TCH speech FR ver 1001108 or
FR TCH speech FR ver 2001109 or
FR TCH speech FR ver 3001110 or
HR TCH speech HR ver 1001111 or
HR TCH speech HR ver 2001112 or
HR TCH speech HR ver 3001113
HO command
Rf channel release
Rf channel release ack
HO requiredMeas report Meas result
Clear complete
HO command
HO command
Clear command
MSC O HO cmd 001195
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Signalling charts of Traffic Measurement
Figure 39. Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message
MSC:BSC:BTS:MS:
Timer T8 expires
Start timer T8
TCH transact end due BSS probl 001012
Meas report Meas result HO required
HO command
HO measurement, HO decision
Call going on the TCH channel
Clear command
Rf channel release
Rf channel release ack
Clear request
HO commandHO command
Clear complete
Call cleared
TCH transact end due A int fail 001051
TCH transact end due A int failon source
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001133
001134
FR TCH transactions failorHR TCH transactions fail
001088
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Figure 40. Unsuccessful external handover, MS sends a handover failure
MSC:BSC:BTS:MS:
Meas report Meas result HO required
HO request
HO measurement, HO decision
Channel activation
Channel activation ack
Call going on the TCH channel
Call continuous on the old channel
HO request ack
Clear command
Rf channel release
Rf channel release ack
HO failure HO failure HO failure
Clear complete
HO commandHO commandHO command
New TCH channel reservation and activation in new BSC
Normal HO counters updated, see figure 37
Signalling on old BSC, MS sends HO failure
Signalling on new BSC, channel is released
TCH transact end due BSS probl 001012
TCH transact end due A int fail 001051
TCH transact end due A int fail onnew
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001133
001134
FR TCH transactions failorHR TCH transactions fail
001089
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Figure 41. Successful traffic reason handover, source
MSC:BSC:BTS:MS:
HO s due to traffic reasons 001052
Rf resource indication
Resource request
Resource indication
HO candidate enquiry
HO required
HO candidate response
HO commandHO commandHO command
Enquiries of traffic reason HO 001053
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Figure 42. Successful SDCCH internal intra-cell handover
MSC:BSC:BTS:MS:
SDCCH attempts 001000
Meas report Meas result
Physical context request
Physical context confirm
HO measurement, Old SDCCH channel
Channel activation
Channel activation ack
Assignment command
Assignment command
Sabm Establish indication
Ua
Assignment complete
Rr HO performed
Rf channel release
Rf channel release ack
New SDCCH channel reservation and activation
001135
001136
SDCCH seiz att for MOCorSDCCH seiz att for MTC
Succ SDCCH seiz for HO 001006
Signalling on old SDCCH channel
Signalling on new SDCCH channel
Old SDCCH channel release
BTS HO assgn 001197
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Signalling charts of Traffic Measurement
Figure 43. Unsuccessful SDCCH internal intra-cell handover, timer expireswhile waiting for CHANNEL_ACTIVATION_ACK message
MSC:BSC:BTS:MS:
Timer T9103 expires
Start timer T9103
Meas report Meas result
Physical context request
Physical context confirm
Channel activation
HO measurement, old SDCCH channel
Rf channel release
Rf channel release ack
New SDCCH channel reservation and activation
SDCCH transact end due BSSprobl
Signalling continuous on old SDCCH channel
SDCCH transact end due Abisint fail
SDCCH transact end due Abis int failon target
001002
001033
001077
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Figure 44. Unsuccessful SDCCH internal intra-cell handover, unsuccessfulchannel activation
BSC:
SDCCH transact end duech act fail on target
001074
SDCCH transact end duech act fail
001027
MS: MSC:BTS:
Meas report Meas result
Physical context request
Physical context confirm
Channel activation
Rf channel release
Rf channel release ack
Channel activation nack
HO measurement, old SDCCH channel
New SDCCH channel reservation and activation
Signalling continuous on old SDCCH channel
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Signalling charts of Traffic Measurement
Figure 45. Unsuccessful SDCCH internal intra-cell handover,CONNECTION_FAILURE message comes to the target channelduring handover
MSC:BSC:BTS:MS:
Meas report Meas result
Physical context request
Physical context confirm
HO measurement, Old SDCCH channel
Channel activation
Channel activation ack
Assignment commandAssignment command
Sabm Establish indication
UaConnection failure
Signalling continuous on old channel
Rf channel release
Rf channel release ack
New SDCCH channel reservation and activation
Signalling on old SDCCH channel
Signalling on new SDCCH channel
SDCCH transact end dueradio fail on target 001005
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Figure 46. Successful SDCCH internal inter-cell handover
MSC:BSC:BTS:MS:
SDCCH attempts 001000
Succ SDCCH seiz for HO 001006
Meas report Meas result
Sabm Establish indication
HO measurement, Old SDCCH channel in old BTS
Channel activation
Channel activation ack
New SDCCH channel reserv. and activ. in new BTS
Signalling on the old SDCCH channel in the old BTS
HO command
HO command
Signalling on new SDCCH channel in new BTS
HO access HO detection
Physical info
Ua
Rr HO performed
Old SDCCH channel release in the old BTS
Rf channel release
Rf channel release ack
HO complete HO complete
001135
001136
SDCCH seiz att for MOCorSDCCH seiz att for MTC
BTS O HO cmd 001196
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Signalling charts of Traffic Measurement
Figure 47. Unsuccessful SDCCH internal inter-cell handover, BTS sendsCONNECTION_FAILURE message
MSC:BSC:BTS:MS:
Meas report Meas result
Rf channel release
Rf channel release ack
HO measurement, Old SDCCH channel
Channel activation
Connection failure
New SDCCH channel reservation and activation
Signalling on old SDCCH channel
Signalling on new SDCCH channel
Rf channel release
Rf channel release ack
Clear request
Clear command
Clear complete
SDCCH transact end due radiofail on source 001004
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Figure 48. Successful SDCCH external handover target
Figure 49. Successful SDCCH external handover source. No countersupdating.
MSC:BSC:BTS:MS:
SDCCH attempts 001000
HO request
Channel activation
Channel activation ack
HO request ack
HO access HO detection HO detection
Physical info
Sabm Establish indication
Ua
HO complete
Rr
HO complete HO completed
Succ SDCCH seiz for HO 001006
BSC:MS: MSC:BTS:
HO command
Rf channel release
Rf channel release ack
HO required
Meas report Meas result
Clear complete
HO commandHO command
Clear command
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Signalling charts of Traffic Measurement
Figure 50. Unsuccessful SDCCH external handover, timer expires while waitingfor CLEAR_COMMAND message
MSC:BSC:BTS:MS:
SDCCH transact end due A int fail 001034
SDCCH transact end due BSS fail 001002
Timer T8 expires
Start timer T8
HO command
Rf channel release
Rf channel release ack
HO requiredMeas report Meas result
Clear complete
HO commandHO command
Clear command
Clear request
Signalling on SDCCH source channel
Rf channel release ack
Rf channel release
Clear command
Clear complete
SDCCH transact end due A int failon source
Signalling on SDCCH target channel
SDCCH transact end due BSS fail 001002
SDCCH transact end due A int fail 001034
SDCCH transact end due A int failon target
001079
001080
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Figure 51. Successful forced release
MSC:BSC:BTS:MS:
TCH requests 001010
Call going on TCH channel
Clear requestClear command
Channel release
Deactive SACCHDisc
Ua Release indication
Rf channel release
Rf channel release ack
Clear complete
Channel activation
Physical context confirm
Queueing indication
New call coming with priority subscriber
Basic call signalling, see figure 1
TCH req for norm assign 001026
Ass req that can cause forced rel 001054
001102 or001103 or001104 or001105
FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests
TCH seiz att for MOCTCH seiz att for MTC
001137 or001138
001120 or001121
FR TCH req rej due HR trafficHR TCH req rej due FR traffic
No free TCH channel, call with lower priority is released
Released TCH channel is allocated for the priority call
Forced release 001070
TCH succ req in norm assign 001009
001106 or001107
FR TCH succ seizHR TCH succ seiz
Signalling continuous like basic call, see figure 1
001114
001115
FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign
001108 or001109 or001110 or001111 or001112 or001113
FR TCH speech FR ver 1FR TCH speech FR ver 2FR TCH speech FR ver 3HR TCH speech HR ver 1HR TCH speech HR ver 2HR TCH speech HR ver 3
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Figure 52. Unsuccessful forced release
MSC:BSC:BTS:MS:
TCH requests 001010
Clear command
Channel release
Deactive SACCHDisc
UaRelease indication
Rf channel release
Rf channel release ack
Clear complete
Physical context confirm
Queueing indication
New call coming with priority subscriber
Basic call signalling, see figure 1
TCH req for norm assign 001026
Ass req that can cause forced rel 001054
001102 or001103 or001104 or
001105
FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests
TCH seiz att for MOCTCH seiz att for MTC
001137 or001138
001120 or001121
FR TCH req rej due HR trafficHR TCH req rej due FR traffic
No free TCH channel
Assignment failure
No suitable TCH for release, forced release timer expires
TCH req with prior subscriber 001095
FR TCH req rej due to lackHR TCH req rej due to lack
001118 or001119
Forced rel req rej 001058
TCH req rej due to lack 001011
TCH req rej due to cong 001141
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Figure 53. Unsuccessful forced release with external handover
MSC:BSC:BTS:MS:
TCH requests 001010
Meas report Meas result HO required
HO request
Queuing indication
Priority call going on the TCH channel
Clear command
Rf channel release
Rf channel release ack
HO failure
Clear complete
HO measurement, HO decision
New TCH channel reservation and activation in new BSC
Att to req HO with forced rel 001062
TCH req with prior subscriber 001095
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
No suitable TCH for forced release, forced release timer exp ires
001119
FR TCH req rej due to lackorHR TCH req rej due to lack
TCH req rej due to lack 001011
HO req rej with forced release 001066
Call continuous on the old channel
001118
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Figure 54. Successful forced handover
MSC:BSC:BTS:MS:
TCH req for norm assign 001026
TCH requests 001010
Ass req that can cause forced HO 001055
New call coming with priority subscriber
Call going on the TCH channel
Channel activation
Physical context confirm
No free TCH channel, call with lower priority is forced HO
Queueing indication
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
Normal internal inter cell HO, see figure 35
Released TCH channel is allocated for the priority call
TCH succ req in norm assign 001009
Forced HO 001071
001106
001107
FR TCH succ seizorHR TCH succ seiz
001114
001115
FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign
Signalling continuous like basic call, see figure 1
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Figure 55. Unsuccessful forced handover
MSC:BSC:BTS:MS:
TCH req rej due to lack 001011
TCH requests 001010
New call coming with
Calls going on the TCH channel
Clear complete
Forced handover timer expires
Physical context confirm
No free TCH channel,
Assignment failure
Clear command
Channel release
Deactive SACCHDisc
UaRelease indication
Rf channel release
Rf channel release ack
Queueing indication
TCH req for norm assign 001026
Ass req that can cause forced HO 001055
TCH req with prior subscriber 001095
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
001137
001138
TCH seiz att for MOCorTCH seiz att for MTC
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
001118
001119
FR TCH req rej due to lackorHR TCH req rej due to lack
TCH req rej due to cong 001141
Forced HO req rejected 001059
no suitable calls for forced HO
priority subscriber
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Signalling charts of Traffic Measurement
Figure 56. Unsuccessful forced handover with external handover
MSC:BSC:BTS:MS:
TCH req rej due to lack 001011
TCH req with prior subscriber 001095
TCH requests 001010
Att to req HO with forced HO 001063
HO req rej with forced HO 001067
Meas report Meas result HO required
HO request
HO measurement, HO decision
Queuing indication
New TCH channel reservation
No suitable TCH for forced handover,
Priority call going on the TCH channel
Call continuous on the old channel
Clear command
Rf channel release
Rf channel release ack
HO failure
Clear complete
001102
001103
001104
001105
FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests
001120
001121
FR TCH req rej due HR trafficorHR TCH req rej due FR traffic
001118
001119
FR TCH req rej due to lackorHR TCH req rej due to lack
forced handover timer expires
and activation in new BSC
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Figure 57. Reconfiguration from TCH to SDCCH
MSC:BSC:BTS:MS:
SDCCH attempt 001000
Channel requestChannel required
Channel activation
Paging part
Radio access part on CCCH
001135
001136
SDCCH seiz att for MOCorSDCCH seiz att for MTC
Reconfiguration from idle TCH to active SDCCH
Dynamic SDCCH reconf attempt 001154
SDCCH succ seiz for imm assign 001007
Basic call signalling continuos, see figure 1
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Signalling charts of Traffic Measurement
Figure 58. Normal call
MSC:BSC:BTS:MS:
Succ TCH seiz for ass complete 001148
Basic call signalling, see figure 1
Basic call signalling, see figure 1
TCH seized, FACCH signalling part
Assignment complete
Assignment complete
Sabm
Ua
Establish indication
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Figure 59. Mobile originated HSCSD call setup
MSC:BSC:BTS:MS:
HSCSD req for call setup 001160
Classmark change Classmark update
Setup Setup
Normal signalling
Call proceedingCall proceeding
Channel activation
Channel activation ack
Assignment request
Physical context requestPhysical context confirm
Channel activation
Channel activation ack
Assignment command
Sabm Establish indicationUa
Assignment complete Assignment completeRf channel release
Rf channel release ackAlert AlertConnect Connect
Connect ackConnect ack
Release completeClear command
Clear completeChannel release
Deactivate SACCHDisc
UaRelease indication
Rf channel releaseRf channel release ack
Disconnect DisconnectReleaseRelease
Release complete
Normal signalling
HSCSD TCH req with 14,4HSCSD transp TCH req
001156 or001158
001157 or001159
HSCSD succ TCH req with 14,4HSCSD succ transp TCH seiz
HSCSD succ TCH 001162
Counters for TCH request and
TCH seized, FACCH signalling part
Conversation phase
Release by MS
succesful TCH seizures are also updated, see figure 2
seiz for call setup
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Signalling charts of Traffic Measurement
Figure 60. Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels
MSC:BSC:BTS:MS:
HSCSD TCH request for HO 001161
HSCSD transp TCH request 001158
HSCSD TCH request with 14,4 001156
Meas report Meas result
Sabm Establish indication
HO measurement, Old TCH channel in the old BTS
Channel activation
Channel activation ack
Signalling on the old TCH channel in the old BTS
HO commandHO command
HO access HO detection
Physical info
Ua
Rr HO performed
Rf channel release
Rf channel release ack
HO complete HO complete
Channel activation
Channel activation ack
Channel activation
Channel activation ack
New TCH channel reservation and activation in the new BTS
Normal handover counters are updated, see figure 35
HSCSD succ TCH seiz with 14,4 001157
HSCSD succ transp TCH seiz 001159
HSCSD succ TCH seiz for HO 001163
Signalling on the new TCH channel in the new BTS
Old TCH channel release in the old BTS
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Figure 61. A CONNECTION_FAILURE message which comes during anHSCSD
MSC:BSC:BTS:MS:
Failure
HSCSD conn rel due to fail 001164
Rf channel rel ack
Conversation phase
Clear request
Disc
Ua
Channel release
Release indication
Rf channel release
Connection failure
Clear command
Clear complete
Deactive SACCH
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Signalling charts of Traffic Measurement
Figure 62. Internal intra-cell direct access from a regular DCCH to the super-reuse TRX. Optional software direct access to super-reuse TRX inIUO activated.
MSC:BSC:BTS:MS:
Succ TCH seiz for dir acc 1165
Assignment request
Physical context request
Sabm Establish indication
Basic call signalling, see figure 1
Channel activation
Channel activation ack
Physical context confirm
Assignment command
Assignment command
Ua
Rr
Assignment complete
Rf channel release
Rf channel release ack
Assignment complete Assignment complete
Alert Alert
Connect ackConnect ack
Connect Connect
Physical context information
Direct access to super-reuse TRX
TCH reservation and activation
Signalling on SDCCH
Signalling on FACCH - TCH
SDCCH release
Connection
Conversation phase
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Figure 63. Unsuccessful internal intra-cell direct access from regular DCCH tothe super-reuse TRX due to lack of resources. Optional softwaredirect access to super-reuse TRX in IUO activated.
MSC:BSC:BTS:MS:
TCH req for dir acc rej due lack 1166
Assignment request
Physical context request
Basic call signalling, see figure 1
Physical context confirm
Physical context information
Unsuccessful direct access attempt to super-reuse TRX
Signalling continuous on old channel
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Signalling charts of Traffic Measurement
Figure 64. Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage
MSC:BSC:BTS:MS:
TCH transact end due radio fail 001013
Timer T3107 expires
Start timer T3107
SDCCH Rf channel rel
SDCCH Rf channel rel ack
Rf channel rel ack
Assignment failure
Clear command
Channel release
Deactive SACCHDisc
UaRelease indication
Clear complete
Physical context requestAssignment request
Physical context confirm
Channel activation
Rf channel rel
Basic call signalling, see figure 1
Channel activation ack
Assignment commandAssignment command
Sabm
Establish indicationUa
001108
001109
001110
001111
001112
001113
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001133
001134
FR TCH transactions failorHR TCH transactions fail
TCH rel due radio fail 001139
TCH rel due rad fail PH 2-3 001205
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Figure 65. Average counter updating
Figure 66. Successful handover due to DADL/B
MSC:BSC:BTS:MS:
Timer is started
After 20 seconds
Timer expires
Timer is started again
After 20 seconds
Timer expires
Average queue length for channelseizure request
Average queue length for channelseizure request
1018
1018
BTS: MSC:MS: BSC:
Succ TCH seiz for DADL/B HO001170
DADL/B start due to exceeded load001172
Channel activation
Channel activation ack
Assignment request
Physical context request
Physical context confirm
Signalling
Signalling continues
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Signalling charts of Traffic Measurement
Figure 67. Unsuccessful DADL/B handover due to lack of resources
Figure 68. Successful BSC controlled TRHO
BTS: MSC:MS: BSC:
TCH request in DADL/B HO rejected001171
DADL/B start due to exceeded load001172
Assignment request
Physical context request
Physical context confirm
Signalling
DR and queuing possible
BTS: MSC:MS: BSC:
Succ TCH seiz for BSC contr TRHO001168
TCH request for BSC contr TRHO001167
Channel activation
Channel activation ack
Normal HO signalling
Signalling on the old TCH channel in the old BTS
New TCH channel reservation and activation in the new BTS
HO decision
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Figure 69. Unsuccessful BSC controlled TRHO
BTS: MSC:MS: BSC:
Rej TCH seiz for BSC contr TRHO due to lack001169
TCH request for BSC contr TRHO001167
HO decision
New TCH channel reservation
HO ends and signalling continuous on
and activation in the new BTS
the old TCH channel in the old BTS
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Signalling charts of Traffic Measurement
Figure 70. Dropped call between ASSIGNMENT COMPLETE andDISCONNECT
MSC:BSC:BTS:MS:
Paging/initial MS on CCCH
Clear request
Channel release
Clear command
Clear complete
Deactive SACCH
MM signalling
Basic assignment
AlertAlert
ConnectConnect
Connect ack Connect ack
Conversation
Radio Link Failure
Connection failure
DISC
UA
Release indication
RF channel release
001108FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001109
001110
001111
001112
001113
TCH transact end due radio fail
001012
TCH Abis probl
Drop after TCH assign
Drop TCH asscompl to RFCH rel
001013
TCH transact end due BSS probl
001045
001202
001204
RF channel release ack
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Figure 71. Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK
MSC:BSC:BTS:MS:
Paging/initial MS on CCCH
Channel release
Clear command
Clear complete
Deactive SACCH
MM signalling
Basic assignment
AlertAlert
ConnectConnect
Connect ack Connect ack
Conversation
Timer T3109 expires
DISC
UA
RF channel release ack
FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3
001109
001110
001111
001112
TCH transact end due Abis fail
Drop TCH asscompl to RFCH rel
001113
001204
RF channel release
Release by MS
DisconnectDisconnect
ReleaseRelease
Release complete Release complete
DISC
Release indication notreceived
001084
001108
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Signalling charts of Traffic Measurement
Related topics
1 Traffic Measurement
Counters of Traffic Measurement
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4 Signalling charts of Dual Transfer Mode
The following figures show the signalling charts of Dual Transfer Mode:
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Signalling charts of Dual Transfer Mode
Figure 72. MO DTM call establishment
MS BTS BSC MSC
MEASUREMENT REPORT
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
SABM
ESTABLISH INDICATION
UA
ASSIGNMENT COMPLETE
RR
HANDOVER PERFORMED
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
106000 MO_DTM_CALL_REQUESTS_INI
DTM REQUEST
MEASUREMENT RESULT
PHYSICAL CONTEXT REQUEST
PHYSICAL CONTEXT CONFIRM
DTM ASSIGNMENT COMMAND
105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL
105009 DTM_ALLOCATIONS_INITIAL
105015 PEAK_DTM_CS_SIMULTAN
105021 DTM_ALLOC_1_UL_PS_TSL or105022 DTM_ALLOC_2_UL_PS_TSL
Start T3107
051189 INTRA_DTM_MO_CS_TO_PS
106018 DTM_ASSIGN_COMMANDS
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
MS in dedicated mode
PS data transfer in dual transfer mode
Stop T3107
DUMMY RLC BLOCK
UL RLC BLOCK
105026 UL_DTM_TBF_ESTABLISHMENTS
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Figure 73. MT DTM call establishment
MS BTS BSC MSC
SABM
UA
RR
105000 MT_DTM_CALL_REQUESTS_INI
SGSN
LLC PDU
MEASUREMENTREPORT MEASUREMENT RESULT
PHYSICAL CONTEXT REQUEST
CHANNEL ACTIVATION ACK
ASSIGNMENT COMPLETE
HANDOVER PERFORMED
RF CHANNEL RELEASE ACK
DTM ASSIGNMENT COMMAND
CHANNEL ACTIVATION
RF CHANNEL RELEASE
PHYSICAL CONTEXT CONFIRM
ESTABLISH INDICATION
105009 DTM_ALLOCATIONS_INITIAL
105023 DTM_ALLOC_1_DL_PS_TSL or105024 DTM_ALLOC_2_DL_PS_TSL
106018 DTM_ASSIGN_COMMANDS
051190 INTRA_DTM_MT_CS_TO_PS
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
105018 DTM_REQ_1_DL_PS_TSL or105019 DTM_REQ_2_DL_PS_TSL
MS in dedicated mode
PS data transfer in dual transfer mode
105027 DL_DTM_TBF_ESTABLISHMENTS
(EGPRS) PACKET DOWNLINK ACK/NACK
DL RLC BLOCK
105015 PEAK_DTM_CS_SIMULTAN
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Signalling charts of Dual Transfer Mode
Figure 74. DTM call reallocation; too high CS connection interference
MS BTS BSC MSC
MEASUREMENT REPORT
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
DTM ASSIGNMENT COMMAND
SABM
ESTABLISH INDICATION
UA
ASSIGNMENT COMPLETE
RRHANDOVER PERFORMED
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
071038 REPORTING_TIME_BY_DTM_MS
MEASUREMENT RESULT
CS connection controldetects too high CSconnection interference
PHYSICAL CONTEXT REQUEST
PHYSICAL CONTEXT CONFIRM
071037 TCH_RESERV_BY_DTM_MS
106018 DTM_ASSIGN_COMMANDS
106006 DTM_REALLO_CS_REQUESTS
MS has a DTM allocation with one UL PS TSL allocation
DTM call continues on the new resources
105010 DTM_REALLOCATIONS
105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL
105021 DTM_ALLOC_1_UL_PS_TSL or105022 DTM_ALLOC_2_UL_PS_TSL
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Figure 75. DTM call reallocation; inadequate PS connection quality
MS BTS BSC MSC
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
SABMESTABLISH INDICATION
UA
ASSIGNMENT COMPLETE
RR
HANDOVER PERFORMED
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
MEASUREMENT REPORT
071038 REPORTING_TIME_BY_DTM_MS
PS quality control detectsinadequate quality
MEASUREMENT RESULT
PHYSICAL CONTEXT CONFIRM
PHYSICAL CONTEXT REQUEST
DTM ASSIGNMENT COMMAND
071037 TCH_RESERV_BY_DTM_MS
051191 INTRA_DTM_MT_PS_TO_PS
106018 DTM_ASSIGN_COMMANDS
105010 DTM_REALLOCATIONS
105005 DTM_REALLO_REQ_PS_QUAL
MS has a DTM allocation with one DL PS TSL allocation
DTM call continues on the new resources
105018 DTM_REQ_1_DL_PS_TSL or105019 DTM_REQ_2_DL_PS_TSL
105023 DTM_ALLOC_1_DL_PS_TSL or105024 DTM_ALLOC_1_DL_PS_TSL
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Signalling charts of Dual Transfer Mode
Figure 76. DTM call; internal inter-cell handover; CS connection power budget
BTS1 BTS2 BSC MSC
CHANNEL ACTIVATION
HANDOVER ACCESS
MS
PHYSICAL INFO
SABM
UA
RR
DTM INFORMATION
MS has a DTM allocation
RF CHANNEL RELEASE ACK
CHANNEL ACTIVATION ACK
MEASUREMENT REPORT
MEASUREMENT RESULT
CS connection control startsa power budget handover
HANDOVER COMMAND
HANDOVER DETECTION
ESTABLISH INDICATION
HANDOVER COMPLETEHANDOVER PERFORMED
RF CHANNEL RELEASE
CS connection continues in the CS territory of the target cell.The DTM call is then re-established in the target cell.
105011 DTM_DURATION_SUM_FR
004199 DTM_CALL_HO_SUCC_TO_DTM_CELL
072202 DL_TBF_RELEASES_DUE_DTM
072201 UL_TBF_RELEASES_DUE_DTM
004198 DTM_CALL_HO_ATT_TO_DTM_CELL
106013 DTM_RELEASES_DUE_CS_HO
071037 TCH_RESERV_BY_DTM_MS
071038 REPORTING_TIME_BY_DTM_MS
HANDOVER COMPLETE
004194 DTM_CALL_HO_FROM_DTM_CELL
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Figure 77. DTM call; internal inter-cell handover; lack of resources in the PSterritory
BTS1 BTS2 BSC MSC
HANDOVER ACCESS
MS
PHYSICAL INFO
SABM
UA
RR
DTM INFORMATION
CHANNEL ACTIVATION ACK
RF CHANNEL RELEASE ACK
HANDOVER PERFORMED
CHANNEL ACTIVATION
HANDOVER COMMAND
HANDOVER DETECTION
ESTABLISH INDICATION
HANDOVER COMPLETE
HANDOVER COMPLETE
RF CHANNEL RELEASE
004194 DTM_CALL_HO_FROM_DTM_CELL
004199 DTM_CALL_HO_SUCC_TO_DTM_CELL
004198 DTM_CALL_HO_ATT_TO_DTM_CELL
004195DTM_HO_DUE_LACK_OF_RESOURCES
072201 UL_TBF_RELEASES_DUE_DTM
072202 DL_TBF_RELEASES_DUE_DTM
105011 DTM_DURATION_SUM_FR
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
106013 DTM_RELEASES_DUE_CS_HO
No free resources in the PS territory
CS connection continues in the CS territory of the target cell.The DTM call is then re-established in the target cell.
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Signalling charts of Dual Transfer Mode
Figure 78. DTM call; external handover, source BSC
MS BTS BSC MSC
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
MEASUREMENT RESULT
MEASUREMENT REPORT
HANDOVER REQUIRED
HANDOVER COMMAND
CLEAR COMMAND
CLEAR COMPLETE
004199 DTM_CALL_HO_SUCC_TO_DTM_CELL
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
106013 DTM_RELEASES_DUE_CS_HO
072202 DL_TBF_RELEASES_DUE_DTM
105011 DTM_DURATION_SUM_FR
072201 UL_TBF_RELEASES_DUE_DTM
004198 DTM_CALL_HO_ATT_TO_DTM_CELL
MS has a DTM allocation
Channel reservation and activation in the target BSC
HO signalling in the target BSC
CS connection continues in the CS territory of the target cell.The DTM call is then re-established in the target cell.
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Figure 79. DTM call; external handover, target BSC
MS BTS BSC MSC
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
HANDOVER ACCESS
HANDOVER DETECTION
PHYSICAL INFO
SABM
ESTABLISH INDICATION
UA
HANDOVER COMPLETE
RR
DTM INFORMATION
HANDOVER REQUEST
HANDOVER REQUESTACKNOWLEDGE
External handover decision in the source BSC
HO signalling in the source BSC, the MSC sends a HO command
Old resources released in the source BSC
The DTM call is then re-established in the target cell.CS connection continues in the CS territory of the target cell.
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Signalling charts of Dual Transfer Mode
Figure 80. DTM call release initiated by the MS
MS BTS BSC MSC
DISCONNECT
RELEASE
RELEASE COMPLETE
CLEAR COMMAND
106012 DTM_RELEASES_DUE_CS_RELEASE
CLEAR COMPLETE
CHANNEL RELEASE
DEACTIVATE SACCH
UA
DISC
RELEASE INDICATION
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
MS has a DTM allocation with ongoing UL and/or DL TBFs
072201 UL_TBF_RELEASES_DUE_DTM
072202 DL_TBF_RELEASES_DUE_DTM
105011 DTM_DURATION_SUM_FR
071037 TCH_RESERV_BY_DTM_MS
071038 REPORTING_TIME_BY_DTM_MS
START TIMER T3111
TIMER T3111 EXPIRES
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Figure 81. DTM call release; packet data transfer end
MS BTS BSC MSC
SABM
UA
106011 DTM_RELEASES_DUE_PS_RELEASE
SGSN
Last LLC PDU
RR
DL Data Frame (final block), polling
UNACK MODE: Packet Control Ack
ASSIGNMENT COMMAND
PHYSICAL CONTEXT REQUEST
ASSIGNMENT COMPLETE
HANDOVER PERFORMED
RF CHANNEL RELEASE ACK
ACK MODE: (EGPRS) Packet DL Ack /Nack (final ack)
PHYSICAL CONTEXT CONFIRM
CHANNEL ACTIVATION ACK
CHANNEL ACTIVATION
RF CHANNEL RELEASE
051192 INTRA_DTM_PS_TO_CS
105011 DTM_DURATION_SUM_FR
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
CS connection continues in the CS territory
MS has a DTM allocation with ongoing UL and/or DL TBFs
RR
ESTABLISH INDICATION
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Figure 82. DTM REQUEST rejected when IMSI data not available
MS BTS BSC MSC
CHANNEL REQUEST
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
IMMEDIATE ASSIGNMENT
SABMESTABLISH INDICATION
UA
CLASSMARK CHANGE
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
ASSIGNMENT COMMAND
SABMESTABLISH INDICATION
UA
ASSIGNMENT COMPLETE
DTM REQUEST
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
CONNECT ACK
CONNECT
DTM REJECT
106002 MO_DTM_CALL_REJECTS_INI
GPRS INFORMATION
SETUP
CALL PROCEEDING
ALERT
RR
SGSN
LLC PDU
CM SERVICE REQUEST
CLASSMARK UPDATE
COMMON ID (not received)
106000 MO_DTM_CALL_REQUESTS_INI
106017 DTM_IMSI_NOT_AVAILABLE
PHYSICAL CONTEXT REQUEST
PHYSICAL CONTEXT CONFIRM
Authentication, identity request and ciphering
MS continues in dedicated mode.
ASSIGNMENT REQUEST
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Figure 83. Unsuccessful MO DTM; activation of a CS TCH in the PS territoryfails, timer expires while waiting for CHANNEL ACTIVATION ACK
MS BTS BSC
MEASUREMENT REPORT
CHANNEL ACTIVATION
PHYSICAL CONTEXT REQUEST
PHYSICAL CONTEXT CONFIRM
106000 MO_DTM_CALL_REQUESTS_INI
CHANNEL ACTIVATION ACK (not received)
Start T9103
T9103 expires
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
DTM REQUEST
MEASUREMENT RESULT
105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL
105009 DTM_ALLOCATIONS_INITIAL
105021 DTM_ALLOC_1_UL_PS_TSL or105022 DTM_ALLOC_2_UL_PS_TSL
106002 MO_DTM_CALL_REJECTS_INI
CS call continues on the old TCH channel
MS in dedicated mode
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Figure 84. Unsuccessful MT DTM; activation of a CS TCH in the PS territoryfails, timer expires while waiting for CHANNEL ACTIVATION ACK
SGSNMS BTS BSC
MEASUREMENT REPORT
CHANNEL ACTIVATION
Start T9103
T9103 expires
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
105000 MT_DTM_CALL_REQUESTS_INI
DL LLC PDU
MEASUREMENT RESULT
PHYSICAL CONTEXT REQUEST
CHANNEL ACTIVATION ACK (not received)
105009 DTM_ALLOCATIONS_INITIAL
105019 DTM_REQ_2_DL_PS_TSL105018 DTM_REQ_1_DL_PS_TSL or
105023 DTM_ALLOC_1_DL_PS_TSL or105024 DTM_ALLOC_2_DL_PS_TSL
105002 MT_DTM_CALL_REJECTS_INI
PHYSICAL CONTEXT CONFIRM
MS in dedicated mode
CS call continues on the old TCH channel
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Figure 85. Unsuccessful MT DTM; DTM ASSIGNMENT FAILURE received
MS BTS BSC
SABM
ESTABLISH INDICATION
UA
DTM ASSIGNMENT FAILURE
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
RR
DTM ASSIGNMENT COMMAND
106008 DTM_ASSIGN_FAILURES_INI
106018 DTM_ASSIGN_COMMANDS
CS call continues on the old TCH channel
MT DTM call establishment started; see MT DTM scenario untilDTM ASSIGNMENT COMMAND in figure MT DTM call establishment
105011 DTM_DURATION_SUM_FR
105015 PEAK_DTM_CS_SIMULTAN
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Figure 86. Timer T3107 expires while waiting for ASSIGNMENT COMPLETE
MS BTS BSC MSC
SABM
ESTABLISH INDICATION
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
106010 MS_LOST_DURING_ASSIGNMENT
CLEAR REQUEST
CLEAR COMMAND
CLEAR COMPLETE
DTM ASSIGNMENT COMMAND
UA
ASSIGNMENT COMPLETE (not received)
T3107 expires
106018 DTM_ASSIGN_COMMANDS
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
Release of the new TCH channel
Release of the old TCH channel
MO or MT DTM call establishment started; see MT DTM scenario untilDTM ASSIGNMENT COMMAND in figure MT DTM call establishment
Start T3107
105011 DTM_DURATION_SUM_FR
105015 PEAK_DTM_CS_SIMULTAN
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Figure 87. DTM call reallocation failure; DTM ASSIGNMENT FAILUREreceived
MS BTS BSC
PHYSICAL CONTEXT REQUEST
PHYSICAL CONTEXT CONFIRM
MEASUREMENT REPORT
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
RR
106009 DTM_ASSIGN_FAILURES_REALLO
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
105005 DTM_REALLO_REQ_PS_QUAL
PS quality control detectsinadequate quality
MEASUREMENT RESULT
DTM ASSIGNMENT COMMAND
DTM ASSIGNMENT FAILURE
105010 DTM_REALLOCATIONS
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
DTM call continues on the old resources
MS has a DTM allocation with ongoing UL and/or DL TBFs
106018 DTM_ASSIGN_COMMANDS
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Figure 88. DTM CS connection drops after ASSIGNMENT COMPLETE;CONNECTION FAILURE received
MS BTS BSC MSC
HANDOVER PERFORMED
DISC
CLEAR COMMAND
CHANNEL RELEASE
DEACTIVATE SACCH
UA
RF CHANNEL RELEASE ACK
RF CHANNEL RELEASE
RELEASE INDICATION
CLEAR COMPLETE
CONNECTION FAILURECLEAR REQUEST
001234 DROP_DTM_TCH_ASCMPL_RFCH_REL
Radio Link Failure detected
ASSIGNMENT COMPLETE
MS has a DTM allocation with ongoing UL and/or DL TBFs;for example, see figure MO DTM call establishment
001233 DROP_AFTER_DTM_TCH_ASSIGN
071037 TCH_RESERV_BY_DTM_MS
071038 REPORTING_TIME_BY_DTM_MS
105011 DTM_DURATION_SUM_FR
072202 DL_TBF_RELEASES_DUE_DTM072201 UL_TBF_RELEASES_DUE_DTM or
RF CHANNEL RELEASE ACK
RF CHANNEL RELEASE
106014 DTM_RELEASES_DUE_OTHER
051189 INTRA_DTM_MO_CS_TO_PS
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
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Figure 89. DTM CS connection drops after ASSIGNMENT COMPLETE;RELEASE INDICATION not received
MS BTS BSC MSC
RELEASE
RELEASE COMPLETE
CLEAR COMMAND
CHANNEL RELEASE
DEACTIVATE SACCH SCCP RELEASE COMPLETE
SCCP RELEASE
DISCONNECT
RF CHANNEL RELEASE ACK
RF CHANNEL RELEASE
001234 DROP_DTM_TCH_ASCMPL_RFCH_REL
DISC (not received)
RELEASE INDICATION (not received)
T3109 expires
Start T3109
MS has a DTM allocation with ongoing UL and/or DL TBFs; for example, see figureMO DTM call establishment
105011 DTM_DURATION_SUM_FR
072202 DL_TBF_RELEASES_DUE_DTM
072201 UL_TBF_RELEASES_DUE_DTM
CLEAR COMPLETE
106012 DTM_RELEASES_DUE_CS_RELEASE
071038 REPORTING_TIME_BY_DTM_MS
071037 TCH_RESERV_BY_DTM_MS
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Figure 90. Unsuccessful DTM call reallocation; timer T3107 expires whilewaiting for ASSIGNMENT COMPLETE
MS BTS BSC MSC
CHANNEL ACTIVATION
CHANNEL ACTIVATION ACK
SABM
ESTABLISH INDICATION
MEASUREMENT REPORT
106018 DTM_ASSIGN_COMMANDS
T3107 expires
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
RF CHANNEL RELEASE
RF CHANNEL RELEASE ACK
CLEAR REQUEST
CLEAR COMMAND
CLEAR COMPLETE
106024 MS_LOST_DURING_REALLOCATION
071037 TCH_RESERV_BY_DTM_MS
071038 REPORTING_TIME_BY_DTM_MS
105011 DTM_DURATION_SUM_FR
T3111 expires
PS quality control detects inadequate quality
105010 DTM_REALLOCATIONS
105018 DTM_REQ_1_DL_PS_TSL or105019 DTM_REQ_2_DL_PS_TSL
105023 DTM_ALLOC_1_DL_PS_TSL or
105024 DTM_ALLOC_2_DL_PS_TSL
001233 DROP_AFTER_DTM_TCH_ASSIGN
001234 DROP_DTM_TCH_ASCMPL_RFCH_REL
Release of the old TCH channel
Release of the new TCH channel
MS has a DTM allocation with one DL PS TSL allocation
105005 DTM_REALLO_REQ_PS_QUAL
DTM ASSIGNMENT COMMAND DTM ASSIGNMENT COMMAND
PHYSICAL CONTEXT REQUEST
MEASUREMENT RESULT
PHYSICAL CONTEXT CONFIRM
ASSIGNMENT COMPLETE (not received)
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Figure 91. DTM TBF assignment failure; UL RLC block not received
MS BTS BSC MSC
CHANNEL ACTIVATION
SABMESTABLISH INDICATION
UL RLC block (not received)
106018 DTM_ASSIGN_COMMANDS
106000 MO_DTM_CALL_REQUESTS_INI
MS requests a UL TBF
dummy RLC block
Expiry of DTM_CALL_ASSIGN_TIMER
105008 DTM TBF ASSIGNMENT FAILURES
105011 DTM_DURATION_SUM_FR
ASSIGNMENT COMMAND
ESTABLISH INDICATIONUA
ASSIGNMENT COMPLETEHANDOVER PERFORMED
RF CHANNEL RELEASE
051198 INTRA_DTM_PS_TO_CS
071037 TCH_RESERV_BY_DTM_MS
071038 REPORTING_TIME_BY_DTM_MS
RR
106011 DTM_RELEASES_DUE_PS_RELEASE
105009 DTM_ALLOCATIONS_INITIAL
105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL
105021 DTM_ALLOC_1_UL_PS_TSL or
105022 DTM_ALLOC_2_UL_PS_TSL
105015 PEAK_DTM_CS_SIMULTANUA
MEASUREMENT RESULT
ASSIGNMENT COMMAND
dummy RLC block
ASSIGNMENT COMPLETEASSIGNMENT COMPLETE
CS connection continues in the CS territory
DTM ASSIGNMENT COMMAND DTM ASSIGNMENT COMMAND
PHYSICAL CONTEXT REQUEST
PHYSICAL CONTEXT CONFIRM
CHANNEL ACTIVATION ACK
PHYSICAL CONTEXT REQUESTPHYSICAL CONTEXT CONFIRM
CHANNEL ACTIVATION ACK
CHANNEL ACTIVATION
RF CHANNEL RELEASE ACK
MS in dedicated mode, MO call
DTM REQUEST DTM REQUEST
MEASUREMENT REPORT
RR
SABM
ASSIGNMENT COMPLETE
Start DTM_CALL_ASSIGN_TIMER
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Signalling charts of Dual Transfer Mode
Figure 92. DTM-capable MS paging
Related topics
. 1 Traffic Measurement
. Counters of Traffic Measurement
. 4 Handover Measurement
. Counters of Handover Measurement
. 51 BSC Level Clear Code (PM) Measurement
. Counters of 51 BSC Level Clear Code (PM) Measurement
. 71 MS Capability Indication Measurement
. Counters of MS Capability Indication Measurement
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. 72 Packet Control Unit Measurement
. Counters of Packet Control Unit Measurement
. 105 PS DTM Measurement
. Counters of PS DTM Measurement
. 106 CS DTM Measurement
. Counters of CS DTM Measurement
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# Nokia Siemens Networks 339 (339)
Signalling charts of Dual Transfer Mode