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2-1Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopiedordisclosedwithoutpermission".
Lesson 2
UMTS System and CCN-CSTranslations Overview
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Networks, given by contract or otherwise, this document must not be copied, reprinted or reproduced in any
material form, either wholly or in part, and the contents of this document, or any methods or techniques
available therefrom, must not be disclosed to any other person whatsoever.
Course UM970
7/17/2019 02 Overview
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2-2Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopiedordisclosedwithoutpermission".
Objetives
Using site-specific information and appropriate documentation, you will
be able to discuss the function and purpose of the components in theUMTS system and CCN-CS translations, such as:
Mobile-services Switching Center MSC! function
"ome #ocation $egister "#$! function
%isitor #ocation $egister %#$! function &'uipment (dentification $egister &($! function
)uthentication Center )uC! function
*ase Station Subsystem *SS! function
various networ+ functions basic call scenarios
phases of CCN-CS translations
Using site-specific information and appropriate documentation, you will
be able to discuss the function and purpose of the components in theUMTS system and CCN-CS translations, such as:
Mobile-services Switching Center MSC! function
"ome #ocation $egister "#$! function
%isitor #ocation $egister %#$! function &'uipment (dentification $egister &($! function
)uthentication Center )uC! function
*ase Station Subsystem *SS! function
various networ+ functions
basic call scenarios
phases of CCN-CS translations
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2-(Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
UMTS !untional "r#iteture
Core Networ+UT$)N
Node **TS!
Uu
(ub )TM!
$NC
(uCS S!
$NC
(ur
(ur
(uCS S!
Node **TS!
Uu
U&
U&
(ub )TM!
U&
./ MSC
(u CS!
Circuit 0omain
"#$1)uC%#$
./S/SN
ac+et 0omain
(u S!
*
C
0
.///SN
(u
2ireless/ateway
)TM*ac+bone
)TM*ac+bone
(*ac+bon
e
(*ac+bon
e(ntranets
(ntranets
(nternet
(nternet
STN
STN
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2-)Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
Ciruit Core Networ$ Com%onents
CCN-CS
(u CS!
%#$"#$
C*
0
SMS-SC
&($
)ccessNetwor+
STN
2ireless /ateway
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5/162-*Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
UMTS UT&"N Com%onents and 'nter(aes
Core Networ+
UT$)N
Node **TS!
Uu
(ub )TM!
$NC(u
CS S!
$NC
(ur
(ur
(uCS S!
Node **TS!
Uu
U&
U&
(ub )TM!
)TM*ac+bone
)TM*ac+bone
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6/162-$Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
Networ$ !untions
To understand Translations in UMTS Networ+,the following activities are important:
+Incoming call handling !obile Terminating"
+#utgoing call handling !obile #riginating"
+!obility management location registration"
7/17/2019 02 Overview
7/162-"Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
CCN-CS
VLR
CCN-CS
VLR
/ateway CS
CCN-CS
HLR
$NC
$NC
STN
&T Trun+
34 ()MMS(S0N!
54 S$(MS(S0N!
.4 $N(MS(!
64 $N-)C78MS$N9
4 S$( )C78MS$N9
;4 ()MMS$N!
&T Trun+
7/17/2019 02 Overview
8/162-,Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
CCN-CS
VLR
CCN-CS
VLR
/ateway CS
CCN-CS
HLR
$NC
$NC
STN
&T Trun+
&T Trun+
/SM Trun+
/SM Trun+
34 S&TU MS(S0N!
()M MS(S0N!
()M
Mobile-to-Land Call) Overall *iture
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9/162-!Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
CCN-CS
VLR
CCN-CS
VLR
/ateway CS
CCN-CS
HLR
$NC
$NC
&T Trun+
/SM Trun+
/SM Trun+
34 S&TU MS(S0N!
54 S$( MS(S0N!
.4 $N(MS(!
64 $N-)C78MS$N9
4 S$( )C78MS$N9
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10/162-1#Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
CCN-CS
VLRHLR
VLR
(old)
Country )"ome #MN Country *
%isiting #MN
34 U& roamsfrom ) to *
54 #ocation Update $e'uestincludes (MS(
.4 (MS( %erification
64 Update #ocation
4 (nsert Subscriber 0ata 8(S09;4 (S0 )c+
4 #ocation $egistration )c+
3?4 Cancel#ocation
)c+
'nter-*LMN &oamin+
7/17/2019 02 Overview
11/162-11Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopied
ordisclosedwithoutpermission".
CCN-CS Translations Overview
CCN-CS translations involves the following sections:
the three phases of translations
$ phase I % the !&I&'N
$ phase II % the !&(N
$ phase III % the )ser *quipment )*"
the &(I request
the paging selector
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12/162-12Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopiedordisclosedwithoutpermission".
CCN-CS
VLR
/ateway CS
HLR
$NC
(MSISDN)
IAM
Trunk
Translations
Universal
Translations
3
5
Start MS(S0N
S$( @eature
/CS
.4 S$( 8MS(S0N9
;4 S$(-)c+ 8MS$N9
64 $N(MS(!4 $N )c+
8MS$N9
Translations *#ase ' ,MS'SN.
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2-1(Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopiedordisclosedwithoutpermission".
CCN-CS
VLR
/ateway CS
HLR
$NC
MSRN
Table
XLAENTRY
Universal
Translations
Start
/MST$M @eature
/CS
Table
DNROUTE
Translations *#ase '' ,MS&N.
7/17/2019 02 Overview
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2-1)Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopiedordisclosedwithoutpermission".
CCN-CS
VLR
/ateway CS
HLR
$NC
MSRN
Universal
Translations
Start
/CS
aging $e'uest
Translations *#ase ''' ,U/.
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2-1*Lesson 2. UMTS System & CCN-CS Translations OverviewPE/TR/CN/UM!"# 1$.#2/EN Mar%' 2##(
"Confidentialinformation--maynotbecopiedordisclosedwithoutpermission".
7/17/2019 02 Overview
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"Confidentialinformation--maynotbecopie
dordisclosedwithoutpermission".
*SC
TCU
TCU
*TS
*TS
*TS
STN
AMC-S AMC-$
&($NSS *S
S
ASS
GSM Network Architecture
MSC/MSC
0MS
"#$1)uC
0MSMSC1%#$