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TS 24.501 (CT1) ★
Non-Access-Stratum (NAS) Protocol
for 5GS

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for a better overview, the Table of Contents (ToC) is reproduced
V16.2.0 (Wzip)  2019/09  611 p.
V15.5.0 (PDF)  2019/09  494 p.
Rapporteur:  Mr. Herrero-Veron, Christian
See also:
TS 24.301 (NAS for EPS)
The present document specifies the non-access stratum (NAS) procedures in the 5G system (5GS) used by the protocols for:
  • Mobility Management between the UE and the AMF for both 3GPP access and non-3GPP access; and
  • Session Management between the UE and the SMF for both 3GPP access and non-3GPP access.
The 5GS Mobility Management (5GMM) protocol defined in the present document provides procedures for the control of mobility when the UE is using the NG radio access network (NG-RAN) and/or non-3GPP access network. The 5GMM protocol also provides control of security for the NAS protocols.
The 5GS Session Management (5GSM) protocol defined in the present document provides procedures for the handling of 5GS PDU session contexts. Together with the bearer control provided by the access stratum, this protocol is used for the control of user plane bearers.
For both NAS protocols the present document specifies procedures for the support of inter-system mobility between the NG-RAN and the E-UTRAN connected to the EPC and between the NG-RAN and the non-3GPP access network.

short Table of Contents for  TS 24.501  Word version:   16.2.0

each title links to the equivalent title in the full ToC

 

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1  Scope  Word-p. 22
2  References  Word-p. 22
3  Definitions and abbreviations  Word-p. 25
4  General  Word-p. 34
5  Elementary procedures for 5GS mobility management  Word-p. 87
5.1  Overview  Word-p. 87
5.2  Behaviour of the UE in state 5GMM-DEREGISTERED and state 5GMM-REGISTERED  Word-p. 95
5.3  General on elementary 5GMM procedures  Word-p. 100
5.4  5GMM common procedures  Word-p. 131
5.4.1  Primary authentication and key agreement procedure  Word-p. 131
5.4.2  Security mode control procedure  Word-p. 152
5.4.3  Identification procedure  Word-p. 158
5.4.4  Generic UE configuration update procedure  Word-p. 160
5.4.5  NAS transport procedure(s)  Word-p. 167
5.4.6  5GMM status procedure  Word-p. 184
5.5  5GMM specific procedures  Up  Word-p. 185
5.5.1  Registration procedure  Word-p. 185
5.5.2  De-registration procedure  Word-p. 239
5.5.3  eCall inactivity procedure  Word-p. 251
5.6  5GMM connection management procedures  Word-p. 251
5.6.1  Service request procedure  Up  Word-p. 251
5.6.2  Paging procedure  Word-p. 271
5.6.3  Notification procedure  Word-p. 272
6  Elementary procedures for 5GS session management  Word-p. 275
6.1  Overview  Word-p. 275
6.2  General on elementary 5GSM procedures  Word-p. 289
6.3  Network-requested 5GSM procedures  Word-p. 306
6.3.1  PDU session authentication and authorization procedure  Word-p. 306
6.3.2  Network-requested PDU session modification procedure  Word-p. 309
6.3.3  Network-requested PDU session release procedure  Word-p. 321
6.4  UE-requested 5GSM procedures  Word-p. 331
6.4.1  UE-requested PDU session establishment procedure  Word-p. 331
6.4.2  UE-requested PDU session modification procedure  Word-p. 358
6.4.3  UE-requested PDU session release procedure  Word-p. 372
6.5  5GSM status procedure  Word-p. 374
6.6  Miscellaneous procedures  Word-p. 375
7  Handling of unknown, unforeseen, and erroneous protocol data  Word-p. 376
8  Message functional definitions and contents  Word-p. 381
9  General message format and information elements coding  Word-p. 432
10  List of system parameters  Word-p. 532
A  Cause values for 5GS mobility management  Word-p. 543
B  Cause values for 5GS session management  Word-p. 547
C (Normative)  Storage of 5GMM information  Word-p. 551
D (Normative)  UE policy delivery service  Word-p. 554
E (Normative)  Ethernet port management service [R16]  Word-p. 571
F  Change history  Word-p. 590

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