Content for TR 24.890 Word version: 16.0.0
8 5GS mobility management
8.1 Overview
8.2 5GS mobility functions in IDLE and CONNECTED mode
8.3 Establishment of the N1 NAS signalling connection
8.4 Release of the N1 NAS signalling connection
8.5 5GS mobility management procedures
8.6 5GS mobility management message coding
8.7 5GMM information elements
8.8 3GPP specific coding information defined within present document
8.9 Timers of 5GS mobility management
8.10 Cause values for 5GS mobility management
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8 5GS mobility management p. 46
8.1 Overview p. 46
8.1.1 General p. 46
8.1.2 Domain selection p. 46
8.1.2.1 UE's usage setting p. 46
8.1.2.2 Domain selection for UE originating sessions / calls p. 46
8.1.2.3 Change of UE's usage setting p. 47
8.1.2.4 Change or determination of IMS voice availability p. 47
8.1.3 Types of 5GMM procedures p. 48
8.1.4 5GMM sublayer states p. 49
8.1.4.1 General p. 49
8.1.4.2 5GMM sublayer states p. 49
8.1.4.2.1 General p. 49
8.1.4.2.2 5GMM sublayer states in the UE p. 49
8.1.4.2.2.1 General p. 49
8.1.4.2.2.2 Main states p. 50
8.1.4.2.2.3 Substates of state 5GMM-DEREGISTERED p. 51
8.1.4.2.2.4 Substates of state 5GMM-REGISTERED p. 52
8.1.4.2.3 5GS update status p. 53
8.1.4.2.4 5GMM sublayer states in the network p. 53
8.1.4.3 Behaviour of the UE in state 5GMM-DEREGISTERED and state 5GMM-REGISTERED p. 54
8.1.4.3.1 General p. 54
8.1.4.3.2 UE behaviour in state 5GMM-DEREGISTERED p. 55
8.1.4.3.2.1 General p. 55
8.1.4.3.2.2 Detailed description of UE behaviour in state 5GMM-DEREGISTERED p. 55
8.1.4.3.3 UE behaviour in state 5GMM-REGISTERED p. 56
8.1.5 Permanent identifiers p. 57
8.1.6 Temporary identities p. 57
8.1.7 Mobile initiated connection only mode p. 58
8.1.8 Handling of the periodic registration update timer and implicit de-registration timer p. 58
8.2 5GS mobility functions in IDLE and CONNECTED mode p. 59
8.2.1 Registration areas in the 5GS p. 59
8.2.2 Service area restrictions p. 60
8.2.3 UE NAS mobility functions in 5GMM-IDLE mode p. 61
8.2.4 UE NAS mobility functions in 5GMM-CONNECTED mode p. 62
8.2.5 5GMM-CONNECTED mode with RRC inactive indication p. 62
8.2.6 Disabling and re-enabling of UE's N1 mode radio capabilities p. 63
8.3 Establishment of the N1 NAS signalling connection p. 64
8.4 Release of the N1 NAS signalling connection p. 65
8.5 5GS mobility management procedures p. 66
8.5.1 5GMM common procedures p. 66
8.5.1.1 Primary authentication and key agreement procedure p. 66
8.5.1.1.1 General p. 66
8.5.1.1.2 EAP based primary authentication and key agreement procedure p. 66
8.5.1.1.2.1 General p. 66
8.5.1.1.2.2 EAP-AKA' related procedures p. 68
8.5.1.1.2.3 EAP message reliable transport procedure p. 69
8.5.1.1.3 5G AKA based primary authentication and key agreement procedure p. 70
8.5.1.1.3.1 General p. 70
8.5.1.1.3.2 Authentication initiation by the network p. 71
8.5.1.1.3.3 Authentication response by the UE p. 71
8.5.1.1.3.4 Authentication completion by the network p. 72
8.5.1.1.3.5 Authentication not accepted by the network p. 72
8.5.1.1.3.6 Authentication not accepted by the UE p. 73
8.5.1.1.3.7 Abnormal cases p. 73
8.5.1.2 Security mode control procedure p. 73
8.5.1.2.1 General p. 73
8.5.1.2.2 NAS security mode control initiation by the network p. 73
8.5.1.2.3 NAS security mode command accepted by the UE p. 75
8.5.1.2.4 NAS security mode control completion by the network p. 76
8.5.1.2.5 NAS security mode command not accepted by the UE p. 76
8.5.1.2.6 Abnormal cases in the UE p. 77
8.5.1.2.7 Abnormal cases on the network side p. 77
8.5.1.3 NAS transport procedures p. 78
8.5.1.3.1 General p. 78
8.5.1.3.2 Alternative 1 for NAS transport p. 78
8.5.1.3.2.1 SM transport procedures p. 78
8.5.1.3.2.2 Non-SM message transport procedures p. 82
8.5.1.3.3 Alternative 2 for NAS transport p. 84
8.5.1.3.3.1 General p. 84
8.5.1.3.3.2 UE-initiated NAS transport procedure p. 85
8.5.1.3.3.3 Network-initiated NAS transport procedure p. 89
8.5.1.3.4 Criteria for evaluation of alternatives for NAS transport p. 90
8.5.1.3.5 Evaluation of the alternatives for NAS transport p. 90
8.5.1.3.5.1 Message size p. 90
8.5.1.3.5.2 Scalability p. 91
8.5.1.3.5.3 Implementation and specification impact p. 91
8.5.1.3.5.4 Extensibility p. 91
8.5.1.3.6 Selection of the NAS transport mechanism p. 91
8.5.1.4 Generic UE configuration update procedure p. 91
8.5.1.4.1 General p. 91
8.5.1.4.2 Generic UE configuration update procedure initiated by the network p. 92
8.5.1.4.3 Generic UE configuration update accepted by the UE p. 93
8.5.1.4.4 Generic UE configuration update completion by the network p. 94
8.5.1.4.5 Abnormal cases in the UE p. 94
8.5.1.4.6 Abnormal cases on the network side p. 94
8.5.1.5 Identification procedure p. 95
8.5.1.5.1 General p. 95
8.5.1.5.2 Identification initiation by the network p. 95
8.5.1.5.3 Identification response by the UE p. 95
8.5.1.5.4 Identification completion by the network p. 95
8.5.1.5.5 Abnormal cases in the UE p. 95
8.5.1.5.6 Abnormal cases on the network side p. 95
8.5.1.6 5GMM status procedure p. 96
8.5.2 5GMM specific procedures p. 96
8.5.2.1 Registration procedure p. 96
8.5.2.1.1 General p. 96
8.5.2.1.2 Registration procedure for initial registration p. 97
8.5.2.1.2.1 General p. 97
8.5.2.1.2.2 Initial registration initiation p. 97
8.5.2.1.2.3 5GMM common procedure initiation p. 98
8.5.2.1.2.4 Initial registration accepted by the network p. 98
8.5.2.1.2.5 Initial registration not accepted by the network p. 100
8.5.2.1.2.6 Initial registration for emergency services not accepted by the network p. 101
8.5.2.1.2.7 Abnormal cases in the UE p. 101
8.5.2.1.2.8 Abnormal cases on the network side p. 102
8.5.2.1.3 Registration procedure for mobility and periodic registration update p. 102
8.5.2.1.3.1 General p. 102
8.5.2.1.3.2 Mobility and periodic registration update initiation p. 102
8.5.2.1.3.3 5GMM common procedure initiation p. 104
8.5.2.1.3.4 Mobility and periodic registration update accepted by the network p. 104
8.5.2.1.3.5 Mobility and periodic registration update not accepted by the network p. 106
8.5.2.1.3.6 Abnormal cases in the UE p. 107
8.5.2.1.3.7 Abnormal cases on the network side p. 107
8.5.2.2 De-registration procedure p. 107
8.5.2.2.1 General p. 107
8.5.2.2.2 UE-initiated de-registration procedure p. 108
8.5.2.2.2.1 UE-initiated de-registration procedure initiation p. 108
8.5.2.2.2.2 UE-initiated de-registration procedure completion for 5GS services over 3GPP access p. 109
8.5.2.2.2.3 UE-initiated de-registration procedure completion for 5GS services over both 3GPP access and non-3GPP access p. 109
8.5.2.2.2.4 Abnormal cases in the UE p. 109
8.5.2.2.2.5 Abnormal cases in the network side p. 109
8.5.2.2.3 Network-initiated de-registration procedure p. 109
8.5.2.2.3.1 Network-initiated de-registration procedure initiation p. 109
8.5.2.2.3.2 Network-initiated de-registration procedure completion by the UE p. 110
8.5.2.2.3.3 Network-initiated de-registration procedure completion by the network p. 111
8.5.2.2.3.4 Abnormal cases in the UE p. 111
8.5.2.2.3.5 Abnormal cases in the network side p. 111
8.5.3 5GMM connection management procedures p. 111
8.5.3.1 Service request procedure p. 111
8.5.3.1.1 General p. 111
8.5.3.1.2 Service request procedure initiation p. 113
8.5.3.1.3 Common procedure initiation p. 114
8.5.3.1.4 Service request procedure accepted by the network p. 114
8.5.3.1.5 Service request procedure not accepted by the network p. 114
8.5.3.1.6 Abnormal cases in the UE p. 115
8.5.3.1.7 Abnormal cases on the network side p. 116
8.5.3.2 Paging procedure p. 116
8.5.3.2.1 General p. 116
8.5.3.2.2 Paging for 5GS services p. 116
8.5.3.3 Notification procedure p. 117
8.6 5GS mobility management message coding p. 119
8.6.1 Authentication failure p. 119
8.6.1.1 Message definition p. 119
8.6.2 Authentication reject p. 119
8.6.2.1 Message definition p. 119
8.6.3 Authentication request p. 120
8.6.3.1 Message definition p. 120
8.6.3.2 EAP message p. 120
8.6.4 Authentication response p. 120
8.6.4.1 Message definition p. 120
8.6.4.2 EAP message p. 121
8.6.5 Registration request p. 121
8.6.5.1 Message definition p. 121
8.6.5.2 NonceUE p. 122
8.6.5.3 5GMM capability p. 122
8.6.5.4 UE security capability p. 122
8.6.5.5 Requested NSSAI p. 122
8.6.5.6 Last visited registered TAI p. 122
8.6.5.7 S1 UE network capability p. 122
8.6.5.8 Uplink data status p. 123
8.6.5.9 PDU session status p. 123
8.6.6 Registration accept p. 123
8.6.6.1 Message definition p. 123
8.6.6.2 5G-GUTI p. 123
8.6.6.3 Equivalent PLMNs p. 123
8.6.6.4 TAI list p. 124
8.6.6.5 Allowed NSSAI p. 124
8.6.6.6 Rejected NSSAI p. 124
8.6.6.7 Dual registration supported p. 124
8.6.6.8 5GMM network feature support p. 124
8.6.6.9 PDU session status p. 124
8.6.6.10 PDU session reactivation result p. 124
8.6.6.11 LADN information p. 124
8.6.7 Registration complete p. 124
8.6.7.1 Message definition p. 124
8.6.8 Registration reject p. 125
8.6.8.1 Message definition p. 125
8.6.8.2 T3346 value p. 125
8.6.9 UL SM message transport for Alternative 1 p. 125
8.6.9.1 Message definition p. 125
8.6.10 DL SM message transport for Alternative 1 p. 126
8.6.10.1 Message definition p. 126
8.6.11 UL generic transport for Alternative 1 p. 126
8.6.11.1 Message definition p. 126
8.6.12 UL NAS transport for Alternative 2 p. 127
8.6.12.1 Message definition p. 127
8.6.12.2 PDU session ID p. 128
8.6.12.3 Old PDU session ID p. 128
8.6.12.4 Request type p. 128
8.6.12.5 S-NSSAI p. 128
8.6.12.6 DNN p. 128
8.6.12.7 Additional information p. 128
8.6.13 DL generic transport for Alternative 1 p. 129
8.6.13.1 Message definition p. 129
8.6.14 DL NAS transport for Alternative 2 p. 129
8.6.14.1 Message definition p. 129
8.6.14.2 PDU session ID p. 130
8.6.14.3 Additional information p. 130
8.6.15 De-registration request (UE originating de-registration) p. 130
8.6.15.1 Message definition p. 130
8.6.16 De-registration accept (UE originating de-registration) p. 131
8.6.16.1 Message definition p. 131
8.6.17 De-registration request (UE terminated de-registration) p. 131
8.6.18 De-registration accept (UE terminated de-registration) p. 132
8.6.18.1 Message definition p. 132
8.6.19 Service request p. 132
8.6.19.1 Message definition p. 132
8.6.19.2 Uplink data status p. 133
8.6.19.3 PDU session status p. 133
8.6.19.4 Allowed PDU session status p. 133
8.6.20 Service accept p. 133
8.6.21.1 Message definition p. 133
8.6.21.2 PDU session status p. 134
8.6.21.3 PDU session reactivation result p. 134
8.6.22 Service reject p. 134
8.6.23 Configuration update command p. 135
8.6.23.1 Message definition p. 135
8.6.24 Configuration update complete p. 135
8.6.24.1 Message definition p. 135
8.6.25 Identity request p. 136
8.6.25.1 Message definition p. 136
8.6.26 Identity response p. 136
8.6.26.1 Message definition p. 136
8.6.27 Notification p. 137
8.6.27.1 Message definition p. 137
8.6.28 5GMM status p. 137
8.6.28.1 Message definition p. 137
8.6.29 Security mode command p. 138
8.6.29.1 Message definition p. 138
8.6.29.2 Allowed NSSAI p. 138
8.6.29.3 IMEISV request p. 139
8.6.29.4 Replayed nonceUE p. 139
8.6.29.5 NonceAMF p. 139
8.6.29.6 HashAMF p. 139
8.6.30 Security mode complete p. 139
8.6.30.1 Message definition p. 139
8.6.30.2 IMEISV p. 140
8.6.30.3 NAS message container p. 140
8.6.31.1 Message definition p. 140
8.7 5GMM information elements p. 140
8.7.1 5GMM cause p. 140
8.7.2 NAS key set identifier p. 141
8.7.3 Authentication parameter RAND p. 142
8.7.4 Authentication parameter AUTN p. 142
8.7.5 SM message container (for alternative 1) p. 142
8.7.6 Request type p. 143
8.7.7 S-NSSAI p. 143
8.7.8 DNN p. 143
8.7.9 Message container type (for alternative 1) p. 144
8.7.10 Message container (for alternative 1) p. 144
8.7.14 Additional information (for alternative 2) p. 145
8.7.15 Configuration update indication p. 146
8.7.16 5GS mobile identity p. 146
8.7.17 Tracking area identity list p. 147
8.7.18 Service area list p. 147
8.7.19 Network name p. 151
8.7.20 Time zone p. 151
8.7.21 Time zone and time p. 151
8.7.22 Daylight saving time p. 151
8.7.23 Identity type 2 p. 151
8.7.24 Sequence number p. 151
8.7.25 Message authentication code p. 151
8.7.26 Uplink data status p. 152
8.7.27 PDU session status p. 152
8.7.28 De-registration type p. 153
8.7.29 NSSAI p. 154
8.7.30 EAP message p. 154
8.7.31 5GMM capability p. 155
8.7.32 LADN information p. 155
8.7.33 PDU session reactivation result p. 156
8.7.34 Old PDU session identity p. 157
8.7.35 GPRS timer 2 p. 157
8.7.36 Allowed PDU session status p. 157
8.7.37 5GS registration type p. 158
8.7.38 Tracking area identity p. 158
8.7.39 S1 UE network capability p. 158
8.7.40 Registration result p. 158
8.7.41 PLMN list p. 158
8.7.42 5GS network feature support p. 158
8.7.43 UE status p. 159
8.7.44 IMEISV request p. 159
8.7.45 NAS security algorithms p. 159
8.7.46 Nonce p. 160
8.7.47 UE security capability p. 160
8.7.48 HashAMF p. 164
8.7.49 NAS message container p. 164
8.8 3GPP specific coding information defined within present document p. 165
8.9 Timers of 5GS mobility management p. 165
8.10 Cause values for 5GS mobility management p. 168
