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第 4 章移动数据通信. 第 1 节移动数据通信概述 第 2 节蜂窝移动数据通信 第 3 节 CDPD 分组数据业务 第 4 节无绳移动数据通信 第 5 节 集群通信 课后作业. 第 1 节移动数据通信概述. 4.1.1 移动数据通信概念 4.1.2 移动数据通信系统的组成和分类 4.1.3 移动数据通信系统的主要技术问题 4.1.4 移动数据通信的网络技术比较 4.1.5 移动数据通信的发展前景与趋势. 移动数据通信. 主要指通信双方相对位置经常变化的无线数据通信方式 常对应于广域、低速的公用或专用移动通信网络 - PowerPoint PPT Presentation
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4123CDPD45
14.1.14.1.24.1.34.1.44.1.5
~
/
Data TACMobitexCDPD
TETRAiDEN
DECTPHSPACS
+WAP
Christian Doppler,1842,
GMSKQPSK BPSK
24.2.14.2.24.2.3
NMTTACS AMPSMODEMPCPC
PSTN
GSMCDMA
GSMGSMISDNGSM12kbps9.6kbps
**HSCSDHigh Speed Circuit Switched Data6----,57.6Kbps
**HSCSDGSM
**GPRSGeneral Packet Radio ServiceGSM, 9.6Kbps14.4Kbps18,115.2kbps
**GPRS GSM
**EDGEEnhanced Data rates for GSM EvolutionEGPRS8-PSKGMSK48kbps 0.5bit/s/Hz/8384kbpsGSM
CDMAIS-95 CDMA9.6kbps14.4kbpsPCSGSMPCMCIA
CDMAIS-95B876.8kbps115.2kbpsCdma20002Mbps
CDPD
Data TACMobitex
Data TACMotorolaMotorolaRD-LAPX.25TCP/IPLAN806~825MHz410~470MHz19.2kbps9.6kbps2~8kbps
Data TAC*ACCDSSPCPOSPDA
Data TAC*Data TACModemRD-LAPData TACX.25LANX.25TCP/IPACC
MobitexEricssonISOTCP/IPX.25Mobitex450MHz900MHz1.2kbps8kbps
Mobitex*BSMOXMHXNOC
Short Messaging ServiceSMS PSTN
GSMSMSCSMSCGSMSMSSMS
14083
No.7 13SH00X1X2X3500 X1X2X3X30 13800240500
1GSM
3CDPD4.3.1CDPD4.3.2CDPD4.3.3CDPD4.3.4 CDPD*4.3.4CDPD4.3.5CDPD
CDPDCellular Digital Packet DataAMPS800MHz900MHz
CDPD19921993CDPD1.0CDPD199421995CDPD200120
CDPD1995CDPD CDPD
CDPDCDPD 2004CDPD20057 AT&TCingularCDPD
CDPDCDPDMDBSMDISMES
CDPD
CDPD
MDBS64kbps MODEM
MODEMMODEMCDPDMODEMCDPD
MDBSCDPDMDBS
MDISMESMESISTCP/IP
CDPDCDPDCDPDModemCDPDModemModem(SLIP)(PPP)
CDPDMODEMPCMCIAPCMCIARS-232PCPCIModemPOS
CDPD CDPD
CDPD 282bitRS378bitGMSK(DSMACD)
CDPD
CDPD*MAC()LLC() LLRSNDCP()
*MESMDBS30kHzRFMDBSMESMESMDBSCDPDGMSK(BT0.5)19.2kb/s
MAC()*CDPDCDPD
MAC()*(TEI)MESMESTEITEI
LLC()* MDLP) MESMDLPMDISMDLPLLCSNDCPSNDCLLCLLCLLC
SNDCP()*TCPIPSNDCPNPDU()LLC
*TCPIPX.25
LLR*MDBSLLRMESMDISLLCLLRMDLPMDIP
CDPD
CDPD 80019.2Kbps5-10Kbps15Kbps FEC
CDPDTCP/IPInternetTCP/IPIP 120km/hCDPD
CDPD
CDPD
CDPD
CDPD1997CDPDCDPDK
44.4.14.4.2 4.4.3
PSTNISDN
FMFDDPBX
1.9GHzTDMATDDMCDECTPHSPACS
DECTDigital Enhanced Cordless Telecommunications ETSI
DECTETSIEP DECTDECTDECTCIDECTCIGAPCTMDECTISDN DECTGSMDECTDataDECTDECT InternetMMAPDECTDPRSDECTTestDECT
DECT100200DECT53DECTDECTDECTPBX
PHS19957 3NTT PersonalDDI PocketASTEL3G 20PHS12007WILLCOM
PHS200810263GPHS(PHS MoU)Willcom CTO PHS3.2Mbps720094PHSXGP100MbpsPHS
PHS128kbps10mW,
UTV5.2+AN2000+PHS PAS
199801 200212 200610 93001200711 10250200803 106200810 TD200902 7000200902 2011
PACSPersonal Access Communication System 7PCSPHSBellconeWACS
PACS
ISDNPABXPABX
CCIRTrunking Communication SystemPMRPrivate Mobile RadioSMRSpecialized Mobile SystemTrunking Communication System1987
20//TDMA
PTTPushToTalk
PTTP1
110 Nextel1000Dolphin97%
54GoTa3
2006TETRA3.4 TETRA
20061020082006GoTa
4~16kbit/s MPLPCKPELPCCELP(ACELP)(VSELP)
QuadraturePhaseShiftKeyingQPSKQuadrature Amplitude ModulationQAMMinimum Shift KeyingMSKGaussian Filtered Minimum Shift KeyingGMSK
FDMATDMACDMA
FDMATDMACDMA
FDMATDMAFDMA3TDMACDMA
FDMATDMACDMA
RAKE
RAKECDMA
19983ITUAPC025TetralpolEDACSTETRADIMRSiDENIDRAGeotek77TETRAiDEN
20055123GPP GERAN24GT800GT80043GPPGT8003GPPGT800
20001228SJ/T11228-2000ATETRABMotorolaiDEN806MHz821MHz851MHz866MHz45MHz
2004CDMAGSMYDC030-2004GSMGSMGT800 YDC031-2004CDMA CDMAGoTa
cdma 2000 1x TD-SCDMA
TETRAiDENGoTaGT800
TETRATErrestrial Trunked RadioTETRATETRATETRATETRATETRA
iDEN Integrated Digital Enhanced NetworksiDENiDENiDENNEXTELiDENiDEN
GoTa
GoTaGlobal open Trunking architectureCDMA
GoTa
GoTaPTTGoTaVPN
GoTa CDMA1nCDMACDMA
GoTa BSS DSS CDMA
CDMA
BSSBSSCDMA
DSSDSSDCCPTTDHR
CDMACDMA
GoTa
GoTaWalshCodeWalshCodeWalshWalshCode
GoTa PTTAccessProbeHandoffAccessHandoffChannelassignament into soft/softer Handoff
GT800
GT800GT800TDMAGT800TETRAiDEN
GT800 MSBTSMSBTSBSCMSC/VLR/GCRHLRGTadapter
GT800(MS) MSVGCSVBSFN(BSC) BSC (BTS) BTSBSC
GT800 (MSC) MSCMS (VLR) VLR (GCR) GCRVGCS()VBS()
GT800(HLR) HLRGT800HLRFollow Me(FN) FN
GT800GTAdapter GTAdapterMSCHLRSCP GT800GTAdapter
GT800BAU GT800FTPFTAMP PBX PBXPRAGT800MSC SCP SCPSMPWeb serverVPN
GT800
GT800 GT800GT800 GT800GTAdapterGT800 GT800GTAdapter
GT800 GT800
GT800 GT800GT800GT800
GT800PTT(Push To Talk)GT800GT800600sPTT200ms
GT800 GT800TDMAGT800 GT800
GT800 GT800 3G TDMATD-SCDMAGT8003GTDMAGT800TD-SCDMAGT800
TETRAiDENGoTaGT800TDMATDMACDMATDMA25kb/s25kb/s1.25Mb/s200kb/sTETRATETRATETRA----W-iDENEV-DOEV-DVTD-SCDMA1004633033052010117316
GSMCDMACDPD
*9.6*657.6****SMSCShort Messaging Service Center*Cellular Digital Packet DataCDPDAMPS800MHz900MHzCDPD19.2 Kbit/s1990MobitexDataTacGPRSCDPDAT&TPockerNetCDPDOmniskyPalm VCingular WirelessCDPDWifiGPRSEDGEPocketNet2GSprint4R289LXAT&TCDPDCDPD 2004CDPD20057 AT&TCingularCDPD**()
**PBX,PBX PBXPBXFXOFXS
*ETSI*Willcom4504%NTT DoCoMoKDDIWillcomWillcom CTO40%3GWillcom2900(211)E-Mail3880(282)800Kbps163G3.6/7.2Mbps1Mbps500Kbps3G800Kbps400500Kbps *::: 64128Kbps::40:*19001920MHz201118801900MHzTD-SCDMA *PABXPrivate Automatic Branch eXchange/
***4~16kbit/s
*ASKFSKPSK**FDMA*TDMATDMAFDMA3TDMATDMA
*CDMA
*GT800***