ETSI TS 123 002 V17.0.0 (2022-05)

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Network architecture (3GPP TS 23.002 version 17.0.0 Release 17)

RTS/TSGS-0223002vh00

General Information

• Status: Not Published
• Technical Committee: 3GPP SA 2 - Architecture
• Current Stage: 12 - Completion
• Completion Date: 10-May-2022

Standards Content (Sample)

ETSI TS 123 002 V17.0.0 (2022-05)






TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
Network architecture
(3GPP TS 23.002 version 17.0.0 Release 17)

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3GPP TS 23.002 version 17.0.0 Release 17 1 ETSI TS 123 002 V17.0.0 (2022-05)

Reference
RTS/TSGS-0223002vh00
Keywords
GSM,LTE,UMTS
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ETSI

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3GPP TS 23.002 version 17.0.0 Release 17 2 ETSI TS 123 002 V17.0.0 (2022-05)
Intellectual Property Rights
Essential patents
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Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
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Legal Notice
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"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

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3GPP TS 23.002 version 17.0.0 Release 17 3 ETSI TS 123 002 V17.0.0 (2022-05)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 12
Introduction . 13
1 Scope . 14
2 References . 14
3 Definitions and abbreviations . 20
3.1 Public Land Mobile Network (PLMN) . 20
3.2 Core Network (CN) and Access Network (AN) . 20
3.3 Circuit Switched (CS) and Packet Switched (PS) Domains . 20
3.3.1 CS Domain. 21
3.3.2 PS Domain . 21
3.3a IP Multimedia subsystem (IMS) . 21
3.4 Location register . 21
3.5 Cell . 22
3.6 Base Station Controller (BSC) area . 22
3.7 Radio Network Controller (RNC) area . 22
3.8 Location Area (LA) . 22
3.9 Routing Area (RA) . 22
3.9a Tracking Area (TA) . 22
3.10 MSC area . 22
3.11 VLR area . 22
3.12 SGSN area . 23
3.13 Zones for Regional Subscription . 23
3.14 Service area . 23
3.15 Group call area . 23
3.15a MME Area. 23
3.16 Pool-area. 23
3.17 Serving GW Service Area . 23
4 The basic entities of the mobile system . 24
4.1 The Core Network (CN) entities . 24
4.1.1 Entities common to the PS and CS domains . 24
4.1.1.1 The Home Subscriber Server (HSS) . 24
4.1.1.1.1 The Home Location Register (HLR) . 25
4.1.1.1.2 The Authentication Centre (AuC) . 25
4.1.1.1.3 HSS logical functions . 26
4.1.1.2 The Visitor Location Register (VLR) . 27
4.1.1.3 (void) . 28
4.1.1.4 The Equipment Identity Register (EIR) . 28
4.1.1.5 SMS Gateway MSC (SMS-GMSC) . 28
4.1.1.6 SMS Interworking MSC (SMS-IWMSC) . 28
4.1.1.7 Subscription Locator Function (SLF). 28
4.1.2 Entities of the CS domain . 29
4.1.2.1 The Mobile-services Switching Centre (MSC) . 29
4.1.2.1.1 MSC Server . 29
4.1.2.1.2 Circuit Switched - Media Gateway Function (CS-MGW) . 30
4.1.2.2 The Gateway MSC (GMSC) . 30
4.1.2.2.1 Gateway MSC Server (GMSC Server) . 30
4.1.2.3 The Interworking Function (IWF) . 30
4.1.3 Entities of the GPRS PS domain . 31
4.1.3.1 Serving GPRS Support Node (SGSN) . 31
4.1.3.2 Gateway GPRS Support Node (GGSN) . 31
ETSI

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3GPP TS 23.002 version 17.0.0 Release 17 4 ETSI TS 123 002 V17.0.0 (2022-05)
4.1.3.3 Void. 32
4.1.4 Entities of the EPC PS Domain . 32
4.1.4.1 MME . 32
4.1.4.2 Gateways . 33
4.1.4.2.1 Serving GW . 33
4.1.4.2.2 PDN GW . 33
4.1.4.2.3 Local GW (L-GW) . 34
4.1.4.3 SGSN . 34
4.1.4.4 Trusted and Untrusted Non-3GPP Access Network . 34
4.1.4.5 ePDG . 35
4.1.4.6 3GPP AAA Server . 35
4.1.4.7 3GPP AAA Proxy . 35
4.1.4.8 ANDSF . 35
4.1.5 Border Gateway (BG)] . 36
4.2 The Access Network (AN) entities . 36
4.2.1 The Base Station System (BSS) . 36
4.2.1.1 Base Station Controller (BSC) . 36
4.2.1.2 Base Transceiver Station (BTS) . 37
4.2.2 The Radio Network System (RNS) . 37
4.2.2.1 Radio Network Controller (RNC) . 37
4.2.2.2 Node B . 37
4.2.3 Access Network elements for E-UTRAN . 37
4.2.3.1 E-UTRAN Node B (eNodeB) . 37
4.2.3.2 Evolved UTRAN . 37
4.3 The Mobile Station (MS) . 37
4.4 User Equipment (UE) . 38
4a The specific entities of the 3GPP system . 38
4a.1 The Group Call Register (GCR) entity . 38
4a.2 (void) . 39
4a.3 The Location Services (LCS) entities . 39
4a.3.1 Location Services (LCS) entities in RAN . 39
4a.3.2 Gateway Mobile Location Centre (GMLC) . 40
4a.3.3 Location Measurement Unit (LMU) . 40
4a.3.4 Evolved Serving Mobile Location Centre (E-SMLC) . 40
4a.4 CAMEL entities . 41
4a.4.1 GSM Service Control Function (gsmSCF) . 41
4a.4.2 GSM Service Switching Function (gsmSSF) . 41
4a.4.3 GSM Specialised Resource Function (gsmSRF) . 41
4a.4.4 GPRS Service Switching Function (gprsSSF) . 41
4a.5 CBS-specific entities . 41
4a.5.1 Cell Broadcast Centre (CBC). 41
4a.6 Number Portability Specific entities . 41
4a.6.1 IN-based solution: Number Portability Database (NPDB) . 41
4a.6.2 Signalling Relay-based solution: Mobile Number Portability/Signalling Relay function (MNP-SRF) . 42
4a.7 IP Multimedia (IM) Core Network (CN) Subsystem entities . 42
4a.7.1 Call Session Control Function (CSCF) . 42
4a.7.2 Media Gateway Control Function (MGCF) . 42
4a.7.3 IP Multimedia Subsystem - Media Gateway Function (IMS-MGW) . 42
4a.7.4 Multimedia Resource Function Controller (MRFC) . 43
4a.7.4a Multimedia Resource Function Processor (MRFP) . 43
4a.7.4b Media Resource Broker (MRB) . 43
4a.7.5 Void . 43
4a.7.6 Breakout Gateway Control Function (BGCF) . 43
4a.7.7 Application Server (AS) . 44
4a.7.8 Interconnection Border Control Function (IBCF). 44
4a.7.9 Transition Gateway (TrGW) . 44
4a.7.10 Location Retrieval Function (LRF) . 44
4a.7.11 Service Centralization and Continuity Application Server (SCC AS) . 45
4a.7.11a Emergency Access Transfer Function (EATF) . 45
4a.7.12 Access Transfer Control Function (ATCF) . 45
4a.7.13 Access Transfer Gateway (ATGW) . 45
ETSI

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3GPP TS 23.002 version 17.0.0 Release 17 5 ETSI TS 123 002 V17.0.0 (2022-05)
4a.8 Signalling Gateway Function (SGW) . 45
4a.9 Global Text Telephony Specific entities . 45
4a.10 Security Gateway (SEG) . 45
4a.11 Application Function (AF) . 46
4a.12 Void . 46
4a.13 3GPP/WLAN Interworking entities . 46
4a.13.1 WLAN UE . 46
4a.13.2 3GPP AAA Proxy . 46
4a.13.3 3GPP AAA Server . 46
4a.13.4 WLAN Access Gateway (WAG) . 46
4a.13.5 Packet Data Gateway (PDG) . 46
4a.13.6 Home Agent (HA) . 46
4a.14 Multimedia Broadcast Multicast Service (MBMS) specific entities . 46
4a.14.1 General . 46
4a.14.2 Broadcast-Multicast Service Centre (BM-SC). 47
4a.14.3 MBMS-GW . 47
4a.14.4 Multi-cell/multicast Coordination Entity (MCE) . 47
4a.15 Void . 47
4a.16 GUP Server . 47
4a.17 Policy and Charging Rules Function (PCRF) . 47
4a.18 Policy and Charging Enforcement Function (PCEF) . 48
4a.19 Support of Short Message Service over generic 3GPP Internet Protocol access (SMSIP) specific entities . 48
4a.19.1 General . 48
4a.19.2 IP-Short-Message-Gateway (IP-SM-GW) . 48
4a.20 Subscription Profile Repository (SPR) . 48
4a.21 Service Data Flow Based Credit Control Function . 48
4a.22 Offline Charging System (OFCS) . 48
4a.23 Online Charging System (OCS) . 48
4a.24 Bearer Binding and Event Reporting Function (BBERF) . 48
4a.25 Home (e)NodeB entities . 49
4a.25.1 Home NodeB Subsystem (HNS) . 49
4a.25.2 Home eNodeB Subsystem (HeNS) . 49
4a.25.3 CSG List Server . 49
4a.25.4 CSG Subscriber Server (CSS) . 49
4a.26 Application Front Ends (AFE) .
...