1、 ETSI TS 1General Pacenhancements foRadio Access(3GPP TS 23.4TECHNICAL SPECIFICATION123 401 V13.6.1 (2016LTE; acket Radio Service (GPRS) for Evolved Universal Terrestss Network (E-UTRAN) access.401 version 13.6.1 Release 1316-05) estrial ss 13) ETSI ETSI TS 123 401 V13.6.1 (2016-05)13GPP TS 23.401 v
2、ersion 13.6.1 Release 13Reference RTS/TSGS-0223401vd61 Keywords LTE ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803
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8、registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 123 401 V13.6.1 (2016-05)23GPP TS 23.401
9、 version 13.6.1 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 3
10、14: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigat
11、ion, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Specificati
12、on (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. T
13、he cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as
14、described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 401 V13.6.1 (2016-05)33GPP TS 23.401 version 13.6.1 Release 13Contents Intellectual Pro
15、perty Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 11g31 Scope 12g32 References 12g33 Definitions and abbreviations . 15g33.1 Definitions 15g33.2 Abbreviations . 16g34 Architecture model and concepts . 18g34.1 General concepts 18g34.2 Architecture reference model . 18g34.2.1 Non-roa
16、ming architecture . 18g34.2.2 Roaming architecture 19g34.2.3 Reference points . 21g34.2.4 Warning System architecture 22g34.3 High level functions . 22g34.3.1 General 22g34.3.2 Network access control functions . 23g34.3.2.1 General 23g34.3.2.2 Network/Access network selection . 23g34.3.2.3 Authentic
17、ation and authorisation function 23g34.3.2.4 Admission control function . 23g34.3.2.5 Policy and Charging Enforcement Function . 23g34.3.2.6 Lawful Interception . 23g34.3.2a Support for Dual Connectivity 23g34.3.3 Packet routing and transfer functions 24g34.3.3.1 General 24g34.3.3.2 IP header compre
18、ssion function 24g34.3.3.3 Packet screening function . 24g34.3.3.4 IP Multicast Forwarding between a network accessed by LIPA and a UE . 24g34.3.4 Security functions . 24g34.3.5 Mobility management functions . 24g34.3.5.1 General 24g34.3.5.2 Reachability Management for UE in ECM-IDLE state. 24g34.3.
19、5.3 Tracking Area list management 26g34.3.5.4 Inter-eNodeB mobility anchor function 26g34.3.5.5 Inter-3GPP mobility anchor function 26g34.3.5.6 Idle mode signalling reduction function 26g34.3.5.7 Mobility Restrictions . 28g34.3.5.8 IMS voice over PS Session Supported Indication . 28g34.3.5.8A Homoge
20、nous Support of IMS Voice over PS Sessions Indication 29g34.3.5.9 Voice domain preference and UEs usage setting 29g34.3.5.10 Preferred and Supported Network Behaviour . 29g34.3.6 Radio Resource Management functions . 30g34.3.7 Network management functions . 31g34.3.7.1 General 31g34.3.7.1a GTP-C sig
21、nalling based Load and Overload Control 31g34.3.7.1a.1 GTP-C Load Control . 31g34.3.7.1a.2 GTP-C Overload Control. 32g34.3.7.2 Load balancing between MMEs 33g34.3.7.3 Load re-balancing between MMEs . 34g34.3.7.4 MME control of overload 35g3ETSI ETSI TS 123 401 V13.6.1 (2016-05)43GPP TS 23.401 versio
22、n 13.6.1 Release 134.3.7.4.1 General 35g34.3.7.4.1a Throttling of Downlink Data Notification Requests 36g34.3.7.4.1b Throttling of NIDD Submit Requests 37g34.3.7.4.2 NAS level congestion control 37g34.3.7.5 PDN GW control of overload 41g34.3.8 Selection functions 41g34.3.8.1 PDN GW selection functio
23、n (3GPP accesses) 41g34.3.8.2 Serving GW selection function . 44g34.3.8.3 MME selection function 44g34.3.8.4 SGSN selection function . 45g34.3.8.5 Selection of PCRF . 45g34.3.9 IP network related functions . 46g34.3.9.1 Domain Name Service function 46g34.3.9.2 DHCP function 46g34.3.9.3 Explicit Cong
24、estion Notification . 46g34.3.10 Functionality for Connection of eNodeBs to Multiple MMEs 46g34.3.11 E-UTRAN Sharing Function 46g34.3.12 IMS Emergency Session Support . 47g34.3.12.1 Introduction . 47g34.3.12.2 Architecture Reference Model for Emergency Services . 48g34.3.12.3 Mobility and Access Res
25、trictions for Emergency Services . 48g34.3.12.3a Reachability Management for UE in ECM-IDLE state. 48g34.3.12.4 PDN GW selection function (3GPP accesses) for Emergency Services . 49g34.3.12.5 QoS for Emergency Services 49g34.3.12.6 PCC for Emergency Services 49g34.3.12.7 Load re-balancing between MM
26、Es for Emergency Services 49g34.3.12.8 IP Address Allocation . 50g34.3.12.9 Handling of PDN Connections for Emergency Bearer Services . 50g34.3.12.10 ISR function for Emergency Bearer Services . 50g34.3.13 Closed Subscriber Group functions 50g34.3.14 Location Service functions . 50g34.3.15 Selected
27、IP Traffic Offload (SIPTO) function 51g34.3.15a Selected IP Traffic Offload (SIPTO) at the Local Network 51g34.3.15a.1 General 51g34.3.15a.2 SIPTO at the Local Network with stand-alone GW (with S-GW and L-GW collocated) function 52g34.3.15a.3 SIPTO at the Local Network with L-GW function collocated
28、with the (H)eNB 53g34.3.16 Local IP Access (LIPA) function 53g34.3.17 Support for Machine Type Communications (MTC) 54g34.3.17.1 General 54g34.3.17.2 Overview of protection from Potential MTC Related Overload . 54g34.3.17.3 Optimizing periodic TAU Signalling 56g34.3.17.4 UE configuration and usage o
29、f indicators . 56g34.3.17.5 Void. 58g34.3.17.6 Support of UEs configured for low access priority, Extended Access Barring and permission for override . 58g34.3.17.7 High latency communication 58g34.3.17.8 Support for Non-IP Data Delivery (NIDD) . 59g34.3.17.8.1 General 59g34.3.17.8.2 ESM Procedures
30、59g34.3.17.8.3 Delivery mechanism 59g34.3.18 Multimedia Priority Service 61g34.3.18.1 General 61g34.3.18.2 IMS-based Multimedia Priority Services 62g34.3.18.2.1 Originating IMS-based MPS Session 62g34.3.18.2.2 Terminating IMS-based MPS Session . 62g34.3.18.3 Priority EPS Bearer Services. 62g34.3.18.
31、4 CS fallback 62g34.3.18.5 Network Congestion Controls for MPS 63g34.3.18.6 Load Re-balancing between MMEs for MPS . 63g34.3.19 Core Network node resolution 63g34.3.19.1 General 63g34.3.19.2 MSB in LAC and MME Group ID 63g3ETSI ETSI TS 123 401 V13.6.1 (2016-05)53GPP TS 23.401 version 13.6.1 Release
32、134.3.19.3 Explicit Indication . 63g34.3.20 Relaying function 63g34.3.20.1 General 63g34.3.20.2 RN startup and attach procedure . 64g34.3.20.2.1 General 64g34.3.20.2.2 Attach for RN preconfiguration . 64g34.3.20.2.3 Attach for RN operation 65g34.3.20.3 DeNB E-RAB activation/modification . 66g34.3.21
33、 Core Network assisted eNodeB parameters tuning . 66g34.3.21.1 CN Assistance Information . 66g34.3.21.2 Void. 67g34.3.21.3 Core Network Assistance Procedures . 67g34.3.22 UE Power Saving Mode . 68g34.3.23 Access network selection and traffic steering based on RAN-assisted WLAN interworking 69g34.3.2
34、3a Access network selection and traffic steering based on RAN-Controlled WLAN interworking 70g34.3.24 RAN user plane congestion management function . 70g34.3.24.1 General 70g34.3.24.2 RAN user plane congestion mitigation in the RAN 70g34.3.24.3 RAN user plane congestion mitigation in the CN . 70g34.
35、3.25 Dedicated Core Networks (DCNs) . 71g34.3.25.1 General 71g34.3.25.2 Considerations for Roaming 72g34.3.25.3 Considerations for Network Sharing . 72g34.3.26 Support for Monitoring Events . 72g34.3.27 Paging Enhancements . 73g34.3.27.1 Paging for Enhanced Coverage . 73g34.4 Network elements . 73g3
36、4.4.1 E-UTRAN . 73g34.4.2 MME . 73g34.4.3 Gateway 74g34.4.3.1 General 74g34.4.3.2 Serving GW. 74g34.4.3.3 PDN GW . 75g34.4.4 SGSN 76g34.4.5 GERAN 76g34.4.6 UTRAN 76g34.4.7 PCRF 76g34.4.7.1 General 76g34.4.7.2 Home PCRF (H-PCRF). 77g34.4.7.3 Visited PCRF (V-PCRF) . 77g34.4.8 PDN GWs associated AAA Se
37、rver 77g34.4.9 HeNB subsystem 77g34.4.10 DeNB 78g34.4.11 CSG Subscriber Server . 79g34.4.12 RAN Congestion Awareness Function . 79g34.5 Void 79g34.6 EPS Mobility Management and Connection Management states . 79g34.6.1 General 79g34.6.2 Definition of main EPS Mobility Management states 80g34.6.2.1 EM
38、M-DEREGISTERED 80g34.6.2.2 EMM-REGISTERED . 80g34.6.3 Definition of EPS Connection Management states . 81g34.6.3.1 ECM-IDLE 81g34.6.3.2 ECM-CONNECTED. 81g34.6.4 State transition and functions 82g34.7 Overall QoS concept 83g34.7.1 PDN connectivity service . 83g34.7.2 The EPS bearer . 83g34.7.2.1 The
39、EPS bearer in general . 83g34.7.2.2 The EPS bearer with GTP-based S5/S8 86g34.7.2.3 The EPS bearer with PMIP-based S5/S8 87g34.7.3 Bearer level QoS parameters 87g3ETSI ETSI TS 123 401 V13.6.1 (2016-05)63GPP TS 23.401 version 13.6.1 Release 134.7.4 Support for Application / Service Layer Rate Adaptat
40、ion 88g34.7.5 Application of PCC in the Evolved Packet System 89g34.7.6 Bearer Control Mode in EPC 89g34.7.7 Support of rate control of user data using Control Plane CIoT EPS optimisation 90g34.8 Compatibility Issues . 90g34.8.1 Network Configuration for Interaction with UTRAN/GERAN 90g34.9 Paging P
41、olicy Differentiation . 90g34.10 Introduction of CIOT EPS Optimizations 91g34.11 User Plane EPS Optimization . 91g35 Functional description and information flows 92g35.1 Control and user planes 92g35.1.0 General 92g35.1.1 Control Plane 92g35.1.1.1 General 92g35.1.1.2 eNodeB - MME . 92g35.1.1.3 UE -
42、MME 93g35.1.1.4 SGSN - MME 93g35.1.1.5 SGSN - S-GW . 94g35.1.1.6 S-GW - P-GW . 94g35.1.1.7 MME - MME 95g35.1.1.8 MME - S-GW 95g35.1.1.9 MME - HSS 96g35.1.1.10 MME - EIR . 96g35.1.1.11 Void. 96g35.1.1.12 MME - CSS . 97g35.1.1.13 MME - RCAF . 97g35.1.2 User Plane . 98g35.1.2.1 UE - P-GW user plane wit
43、h E-UTRAN 98g35.1.2.2 eNodeB - S-GW 98g35.1.2.3 UE - PDN GW user plane with 2G access via the S4 interface 99g35.1.2.4 UE - PDN GW user plane with 3G access via the S12 interface 100g35.1.2.5 UE - PDN GW user plane with 3G access via the S4 interface 101g35.1.2.6 UE - P-GW user plane with Control Pl
44、ane CIoT Optimisations . 102g35.2 Identities . 102g35.2.1 EPS bearer identity . 102g35.2.2 Globally Unique Temporary UE Identity . 102g35.2.3 Tracking Area Identity (TAI) 103g35.2.4 eNodeB S1-AP UE Identity (eNodeB S1-AP UE ID) 103g35.2.5 MME S1-AP UE Identity (MME S1-AP UE ID) . 103g35.2.6 Closed S
45、ubscriber Group ID . 103g35.3 Authentication, security and location management 103g35.3.1 IP address allocation . 103g35.3.1.1 General 103g35.3.1.2 IP address allocation, renewal and release mechanisms for GTP based S5/S8 . 106g35.3.1.2.1 IPv4 address allocation via default bearer activation and rel
46、ease via PDN connection release. 106g35.3.1.2.2 Allocation, renewal and release of the IPv6 default prefix via IPv6 stateless address autoconfiguration . 106g35.3.1.2.3 IPv6 parameter configuration via stateless DHCPv6. 107g35.3.1.2.4 IPv4 address allocation, renewal and release and IPv4 parameter c
47、onfiguration via DHCPv4 . 107g35.3.1.2.5 Void . 108g35.3.1.2.6 IPv6 Prefix Delegation via DHCPv6 . 108g35.3.2 Attach procedure . 108g35.3.2.1 E-UTRAN Initial Attach . 108g35.3.2.2 UTRAN/GERAN Initial Attach 121g35.3.3 Tracking Area Update procedures 121g35.3.3.0 Triggers for tracking area update 121
48、g35.3.3.0A Provision of UEs TAI to MME in ECM-CONNECTED state . 123g35.3.3.1 Tracking Area Update procedure with Serving GW change . 124g35.3.3.1A Tracking Area Update procedure with Serving GW change and data forwarding 132g35.3.3.2 E-UTRAN Tracking Area Update without S-GW Change . 134g35.3.3.3 Ro
49、uting Area Update with MME interaction and without S-GW change . 142g3ETSI ETSI TS 123 401 V13.6.1 (2016-05)73GPP TS 23.401 version 13.6.1 Release 135.3.3.4 Void. 149g35.3.3.5 Void. 149g35.3.3.6 Routing Area Update with MME interaction and with S-GW change 149g35.3.4 Service Request procedures 156g35.3.4.1 UE triggered Service Request . 156g35.3.4.2 Handling of abnormal conditions in UE triggered Service Request 159g35.3.4.3 Network Triggered Service Request . 160g35.3.4A Connection Suspend procedure. 165g35.3.4B Data Transport in Control Plane CIoT EPS optimisation . 165g
