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Content for  TS 24.301  Word version:  18.0.0

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5  Elementary procedures for EPS mobility managementp. 63

5.1  Overviewp. 63

5.1.1  Generalp. 63

5.1.2  Types of EMM proceduresp. 63

5.1.3  EMM sublayer statesp. 65

5.1.3.1  Generalp. 65

5.1.3.2  EMM sublayer states in the UEp. 65

5.1.3.2.1  Generalp. 65
5.1.3.2.2  Main statesp. 65
5.1.3.2.3  Substates of state EMM-DEREGISTEREDp. 66
5.1.3.2.4  Substates of state EMM-REGISTEREDp. 68

5.1.3.3  EPS update statusp. 69

5.1.3.4  EMM sublayer states in the MMEp. 69

5.1.4  Coordination between EMM and GMMp. 70

5.1.5  Coordination between EMM and MMp. 71

5.2  Behaviour of the UE in state EMM-DEREGISTERED and state EMM-REGISTEREDp. 71

5.3  General on elementary EMM proceduresp. 78

5.3.1  EMM modes and NAS signalling connectionp. 78

5.3.2  Lists of forbidden tracking areasp. 83

5.3.3  List of forbidden PLMNs for attach in S101 modep. 83

5.3.3a  Forbidden PLMNs for EPS services |R11|p. 84

5.3.4  Equivalent PLMNs listp. 84

5.3.5  Handling of the periodic tracking area update timer and mobile reachable timer (S1 mode only)p. 84

5.3.6  Handling of timer T3402p. 86

5.3.7  Handling of the Local Emergency Numbers List and the Extended Local Emergency Numbers Listp. 86

5.3.7a  Specific requirements for UE configured to use timer T3245 |R10|p. 87

5.3.7b  Specific requirements for UE when receiving non-integrity protected reject messages |R13|p. 88

5.3.8  Abnormal cases in the UEp. 91

5.3.9  Handling of NAS level mobility management congestion control |R10|p. 91

5.3.9A  Handling of congestion control for transport of user data via the control plane |R14|p. 92

5.3.10  Access class control |R11|p. 93

5.3.11  Power saving mode |R12|p. 93

5.3.12  Extended idle-mode DRX cycle |R13|p. 94

5.3.13  Interaction between power saving mode and extended idle mode DRX cycle |R13|p. 94

5.3.14  Dedicated core network |R13|p. 95

5.3.15  CIoT EPS optimizations |R13|p. 95

5.3.16  Restriction on use of enhanced coverage |R14|p. 96

5.3.17  Service Gap Control |R15|p. 97

5.3.18  Restricted local operator services |R16|p. 98

5.3.19  Core Network selection and redirection for UEs using CIoT optimizations |R16|p. 99

5.3.20  UE radio capability signalling optimisation |R16|p. 99

5.3.21  Wake-up signal assistance |R16|p. 101

5.3.22Void


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