1、 ETSI TS 1General Packet RadioEvolved UnAccess Ne(3GPP TS 23.4TECHNICAL SPECIFICATION123 401 V13.9.0 (2017LTE; dio Service (GPRS) enhancemUniversal Terrestrial Radio Network (E-UTRAN) access .401 version 13.9.0 Release 1317-01) ments for 13) ETSI ETSI TS 123 401 V13.9.0 (2017-01)13GPP TS 23.401 vers
2、ion 13.9.0 Release 13Reference RTS/TSGS-0223401vd90 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 7803/88
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6、 the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of
7、 the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks o
8、f ETSI 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 V13.9.0 (2017-01)23GPP TS
9、 23.401 version 13.9.0 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 S
10、R 000 314: “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 inv
11、estigation, 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 Spec
12、ification (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 delivera
13、bles. The 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 interpre
14、ted as 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 V13.9.0 (2017-01)33GPP TS 23.401 version 13.9.0 Release 13Contents Intellect
15、ual Property 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
16、Non-roaming 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 Au
17、thentication 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
18、 compression function 24g34.3.3.3 Packet screening function . 25g34.3.3.4 IP Multicast Forwarding between a network accessed by LIPA and a UE . 25g34.3.4 Security functions . 25g34.3.5 Mobility management functions . 25g34.3.5.1 General 25g34.3.5.2 Reachability Management for UE in ECM-IDLE state. 2
19、5g34.3.5.3 Tracking Area list management 26g34.3.5.4 Inter-eNodeB mobility anchor function 27g34.3.5.5 Inter-3GPP mobility anchor function 27g34.3.5.6 Idle mode signalling reduction function 27g34.3.5.7 Mobility Restrictions . 29g34.3.5.8 IMS voice over PS Session Supported Indication . 29g34.3.5.8A
20、 Homogenous Support of IMS Voice over PS Sessions Indication 29g34.3.5.9 Voice domain preference and UEs usage setting 30g34.3.5.10 Preferred and Supported Network Behaviour . 30g34.3.6 Radio Resource Management functions . 31g34.3.7 Network management functions . 32g34.3.7.1 General 32g34.3.7.1a GT
21、P-C signalling based Load and Overload Control 32g34.3.7.1a.1 GTP-C Load Control . 32g34.3.7.1a.2 GTP-C Overload Control. 33g34.3.7.2 Load balancing between MMEs 34g34.3.7.3 Load re-balancing between MMEs . 34g34.3.7.4 MME control of overload 36g3ETSI ETSI TS 123 401 V13.9.0 (2017-01)43GPP TS 23.401
22、 version 13.9.0 Release 134.3.7.4.1 General 36g34.3.7.4.1a Throttling of Downlink Data Notification Requests 37g34.3.7.4.1b Throttling of NIDD Submit Requests 37g34.3.7.4.2 NAS level congestion control 38g34.3.7.5 PDN GW control of overload 42g34.3.8 Selection functions 42g34.3.8.1 PDN GW selection
23、function (3GPP accesses) 42g34.3.8.2 Serving GW selection function . 44g34.3.8.3 MME selection function 45g34.3.8.4 SGSN selection function . 46g34.3.8.5 Selection of PCRF . 46g34.3.9 IP network related functions . 47g34.3.9.1 Domain Name Service function 47g34.3.9.2 DHCP function 47g34.3.9.3 Explic
24、it Congestion Notification . 47g34.3.10 Functionality for Connection of eNodeBs to Multiple MMEs 47g34.3.11 E-UTRAN Sharing Function 47g34.3.12 IMS Emergency Session Support . 48g34.3.12.1 Introduction . 48g34.3.12.2 Architecture Reference Model for Emergency Services . 49g34.3.12.3 Mobility and Acc
25、ess Restrictions for Emergency Services . 49g34.3.12.3a Reachability Management for UE in ECM-IDLE state. 49g34.3.12.4 PDN GW selection function (3GPP accesses) for Emergency Services . 50g34.3.12.5 QoS for Emergency Services 50g34.3.12.6 PCC for Emergency Services 50g34.3.12.7 Load re-balancing bet
26、ween MMEs for Emergency Services 50g34.3.12.8 IP Address Allocation . 51g34.3.12.9 Handling of PDN Connections for Emergency Bearer Services . 51g34.3.12.10 ISR function for Emergency Bearer Services . 51g34.3.13 Closed Subscriber Group functions 51g34.3.14 Location Service functions . 51g34.3.15 Se
27、lected IP Traffic Offload (SIPTO) function 52g34.3.15a Selected IP Traffic Offload (SIPTO) at the Local Network 52g34.3.15a.1 General 52g34.3.15a.2 SIPTO at the Local Network with stand-alone GW (with S-GW and L-GW collocated) function 53g34.3.15a.3 SIPTO at the Local Network with L-GW function coll
28、ocated with the (H)eNB 54g34.3.16 Local IP Access (LIPA) function 54g34.3.17 Support for Machine Type Communications (MTC) 55g34.3.17.1 General 55g34.3.17.2 Overview of protection from Potential MTC Related Overload . 55g34.3.17.3 Optimizing periodic TAU Signalling 57g34.3.17.4 UE configuration and
29、usage of indicators . 57g34.3.17.5 Void. 59g34.3.17.6 Support of UEs configured for low access priority, Extended Access Barring and permission for override . 59g34.3.17.7 High latency communication 59g34.3.17.8 Support for Non-IP Data Delivery (NIDD) . 60g34.3.17.8.1 General 60g34.3.17.8.2 ESM Proc
30、edures 60g34.3.17.8.3 Delivery mechanism 60g34.3.18 Multimedia Priority Service 62g34.3.18.1 General 62g34.3.18.2 IMS-based Multimedia Priority Services 63g34.3.18.2.1 Originating IMS-based MPS Session 63g34.3.18.2.2 Terminating IMS-based MPS Session . 63g34.3.18.3 Priority EPS Bearer Services. 63g3
31、4.3.18.4 CS fallback 63g34.3.18.5 Network Congestion Controls for MPS 64g34.3.18.6 Load Re-balancing between MMEs for MPS . 64g34.3.19 Core Network node resolution 64g34.3.19.1 General 64g34.3.19.2 MSB in LAC and MME Group ID 64g3ETSI ETSI TS 123 401 V13.9.0 (2017-01)53GPP TS 23.401 version 13.9.0 R
32、elease 134.3.19.3 Explicit Indication . 64g34.3.20 Relaying function 65g34.3.20.1 General 65g34.3.20.2 RN startup and attach procedure . 65g34.3.20.2.1 General 65g34.3.20.2.2 Attach for RN preconfiguration . 66g34.3.20.2.3 Attach for RN operation 66g34.3.20.3 DeNB E-RAB activation/modification . 67g
33、34.3.21 Core Network assisted eNodeB parameters tuning . 68g34.3.21.1 CN Assistance Information . 68g34.3.21.2 Void. 68g34.3.21.3 Core Network Assistance Procedures . 68g34.3.22 UE Power Saving Mode . 69g34.3.23 Access network selection and traffic steering based on RAN-assisted WLAN interworking 70
34、g34.3.23a Access network selection and traffic steering based on RAN-Controlled WLAN interworking 71g34.3.24 RAN user plane congestion management function . 71g34.3.24.1 General 71g34.3.24.2 RAN user plane congestion mitigation in the RAN 71g34.3.24.3 RAN user plane congestion mitigation in the CN .
35、 71g34.3.25 Dedicated Core Networks (DCNs) . 72g34.3.25.1 General 72g34.3.25.2 Considerations for Roaming 73g34.3.25.3 Considerations for Network Sharing . 73g34.3.26 Support for Monitoring Events . 73g34.3.27 Paging Enhancements . 74g34.3.27.1 Paging for Enhanced Coverage . 74g34.4 Network elements
36、 . 74g34.4.1 E-UTRAN . 74g34.4.2 MME . 74g34.4.3 Gateway 75g34.4.3.1 General 75g34.4.3.2 Serving GW. 75g34.4.3.3 PDN GW . 76g34.4.4 SGSN 77g34.4.5 GERAN 77g34.4.6 UTRAN 77g34.4.7 PCRF 77g34.4.7.1 General 77g34.4.7.2 Home PCRF (H-PCRF). 78g34.4.7.3 Visited PCRF (V-PCRF) . 78g34.4.8 PDN GWs associated
37、 AAA Server 78g34.4.9 HeNB subsystem 78g34.4.10 DeNB 79g34.4.11 CSG Subscriber Server . 80g34.4.12 RAN Congestion Awareness Function . 80g34.5 Void 80g34.6 EPS Mobility Management and Connection Management states . 80g34.6.1 General 80g34.6.2 Definition of main EPS Mobility Management states 81g34.6
38、.2.1 EMM-DEREGISTERED 81g34.6.2.2 EMM-REGISTERED . 81g34.6.3 Definition of EPS Connection Management states . 82g34.6.3.1 ECM-IDLE 82g34.6.3.2 ECM-CONNECTED. 82g34.6.4 State transition and functions 83g34.7 Overall QoS concept 84g34.7.1 PDN connectivity service . 84g34.7.2 The EPS bearer . 84g34.7.2
39、.1 The EPS bearer in general . 84g34.7.2.2 The EPS bearer with GTP-based S5/S8 87g34.7.2.3 The EPS bearer with PMIP-based S5/S8 88g34.7.3 Bearer level QoS parameters 88g3ETSI ETSI TS 123 401 V13.9.0 (2017-01)63GPP TS 23.401 version 13.9.0 Release 134.7.4 Support for Application / Service Layer Rate
40、Adaptation 89g34.7.5 Application of PCC in the Evolved Packet System 90g34.7.6 Bearer Control Mode in EPC 90g34.7.7 Support of rate control of user data using CIoT EPS optimisation . 91g34.7.7.1 General 91g34.7.7.2 Serving PLMN Rate Control . 91g34.7.7.3 APN Rate Control . 92g34.8 Compatibility Issu
41、es . 92g34.8.1 Network Configuration for Interaction with UTRAN/GERAN 92g34.9 Paging Policy Differentiation . 92g34.10 Introduction of CIoT EPS Optimisations . 93g34.11 User Plane CIoT EPS Optimization . 93g35 Functional description and information flows 94g35.1 Control and user planes 94g35.1.0 Gen
42、eral 94g35.1.1 Control Plane 94g35.1.1.1 General 94g35.1.1.2 eNodeB - MME . 95g35.1.1.3 UE - MME 95g35.1.1.4 SGSN - MME 96g35.1.1.5 SGSN - S-GW . 96g35.1.1.6 S-GW - P-GW . 97g35.1.1.7 MME - MME 97g35.1.1.8 MME - S-GW 98g35.1.1.9 MME - HSS 98g35.1.1.10 MME - EIR . 99g35.1.1.11 Void. 99g35.1.1.12 MME
43、- CSS . 99g35.1.1.13 MME - RCAF . 100g35.1.2 User Plane . 100g35.1.2.1 UE - P-GW user plane with E-UTRAN 100g35.1.2.2 eNodeB - S-GW 101g35.1.2.3 UE - PDN GW user plane with 2G access via the S4 interface 101g35.1.2.4 UE - PDN GW user plane with 3G access via the S12 interface 102g35.1.2.5 UE - PDN G
44、W user plane with 3G access via the S4 interface 103g35.1.2.6 UE - P-GW user plane with Control Plane CIoT Optimisations . 104g35.2 Identities . 104g35.2.1 EPS bearer identity . 104g35.2.2 Globally Unique Temporary UE Identity . 104g35.2.3 Tracking Area Identity (TAI) 105g35.2.4 eNodeB S1-AP UE Iden
45、tity (eNodeB S1-AP UE ID) 105g35.2.5 MME S1-AP UE Identity (MME S1-AP UE ID) . 105g35.2.6 Closed Subscriber Group ID . 105g35.3 Authentication, security and location management 105g35.3.1 IP address allocation . 105g35.3.1.1 General 105g35.3.1.2 IP address allocation, renewal and release mechanisms
46、for GTP based S5/S8 . 108g35.3.1.2.1 IPv4 address allocation via default bearer activation and release via PDN connection release. 108g35.3.1.2.2 Allocation, renewal and release of the IPv6 default prefix via IPv6 stateless address autoconfiguration . 108g35.3.1.2.3 IPv6 parameter configuration via
47、stateless DHCPv6. 109g35.3.1.2.4 IPv4 address allocation, renewal and release and IPv4 parameter configuration via DHCPv4 . 109g35.3.1.2.5 Void . 110g35.3.1.2.6 IPv6 Prefix Delegation via DHCPv6 . 110g35.3.2 Attach procedure . 110g35.3.2.1 E-UTRAN Initial Attach . 110g35.3.2.2 UTRAN/GERAN Initial At
48、tach 124g35.3.3 Tracking Area Update procedures 124g35.3.3.0 Triggers for tracking area update 124g35.3.3.0A Provision of UEs TAI to MME in ECM-CONNECTED state . 126g35.3.3.1 Tracking Area Update procedure with Serving GW change . 126g3ETSI ETSI TS 123 401 V13.9.0 (2017-01)73GPP TS 23.401 version 13
49、.9.0 Release 135.3.3.1A Tracking Area Update procedure with Serving GW change and data forwarding 135g35.3.3.2 E-UTRAN Tracking Area Update without S-GW Change . 137g35.3.3.3 Routing Area Update with MME interaction and without S-GW change . 145g35.3.3.4 Void. 152g35.3.3.5 Void. 152g35.3.3.6 Routing Area Update with MME interaction and with S-GW change 152g35.3.4 Service Request procedures 159g35.3.4.1 UE triggered Service Request . 159g35.3.4.2 Handling of abnormal conditions in UE triggered Service Request 162g35.3.4.3 Network Triggered Service Request . 163g35.3.4A Conn
