Tech-invite 3GPPspace IETFspace

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Content for TR 24.801 Word version: 8.1.0

1… 4… 7…

4 Network selection procedures p. 20

4.1 Concepts p. 20

4.2 Procedures p. 21

4.2.1 General p. 21

4.2.2 Procedures for 3GPP radio access networks p. 21

4.2.3 Procedures for non-3GPP access networks p. 21

4.2.3.1 Procedures for access networks defined by 3GPP2 p. 21

4.2.3.2 Procedures for other non-3GPP access networks p. 21

5 UE NAS mobility functions in EMM-IDLE and EMM-CONNECTED mode p. 21

5.1 General p. 21

5.1.1 Registration areas in the EPS p. 21

5.1.1.1 General p. 21

5.1.1.2 Open issues for tracking area update procedure p. 22

5.1.2 GUTI and S-TMSI handling p. 22

5.1.3 IP address allocation p. 23

5.1.3.1 General p. 23

5.1.3.2 IP address allocation via NAS signalling p. 23

5.1.3.3 IPv6 stateless address allocation p. 24

5.1.3.4 IPv4 address allocation via DHCPv4 p. 24

5.1.3.5 IPv6 parameter configuration via stateless DHCPv6 p. 24

5.1.3.6 IPv6 prefix delegation via DHCPv6 p. 25

5.1.4 Relationship between the EMM and the GMM entity in the UE p. 25

5.2 UE NAS mobility functions in EMM-IDLE mode p. 26

5.3 UE NAS mobility functions in EMM-CONNECTED mode p. 27

5.4 Reject causes for EMM procedures p. 27

5.4.1 Reject cause values for EMM procedures p. 27

5.4.2 Applicability of reject causes to EMM procedures p. 28

5.4.3 Interactions with GERAN/UTRAN p. 28

6 NAS signalling procedures between UE and MME p. 29

6.1 General p. 29

6.1.1 Integrity checking of signalling messages in the UE p. 29

6.2 Mobility management procedures p. 30

6.2.1 Overview p. 30

6.2.1.1 General p. 30

6.2.1.2 Types of EMM procedures p. 30

6.2.1.3 EMM sublayer states p. 31

6.2.1.3.1 General p. 31

6.2.1.3.2 EMM sublayer states in the UE p. 31

6.2.1.3.2.1 General p. 31

6.2.1.3.2.2 Main states p. 31

6.2.1.3.2.2.1 EMM-NULL p. 31

6.2.1.3.2.2.2 EMM-DEREGISTERED p. 32

6.2.1.3.2.2.3 EMM-REGISTERED-INITIATED p. 32

6.2.1.3.2.2.4 EMM-REGISTERED p. 32

6.2.1.3.2.2.5 EMM-DEREGISTERED-INITIATED p. 32

6.2.1.3.2.2.6 EMM-TRACKING-AREA-UPDATING-INITIATED p. 32

6.2.1.3.2.2.7 EMM-SERVICE-REQUEST-INITIATED p. 32

6.2.1.3.2.3 Substates of state EMM-DEREGISTERED p. 32

6.2.1.3.2.3.1 EMM-DEREGISTERED.NORMAL-SERVICE p. 32

6.2.1.3.2.3.2 EMM-DEREGISTERED.LIMITED-SERVICE p. 32

6.2.1.3.2.3.3 EMM-DEREGISTERED.ATTEMPTING-TO-ATTACH p. 32

6.2.1.3.2.3.4 EMM-DEREGISTERED.PLMN-SEARCH p. 32

6.2.1.3.2.3.5 EMM-DEREGISTERED.NO-IMSI p. 33

6.2.1.3.2.3.6 EMM-DEREGISTERED.ATTACH-NEEDED p. 33

6.2.1.3.2.3.7 EMM-DEREGISTERED.NO-CELL-AVAILABLE p. 33

6.2.1.3.2.4 Substates of state EMM-REGISTERED p. 33

6.2.1.3.2.4.1 EMM-REGISTERED.NORMAL-SERVICE p. 33

6.2.1.3.2.4.2 EMM-REGISTERED.ATTEMPTING-TO-UPDATE p. 33

6.2.1.3.2.4.3 EMM-REGISTERED.LIMITED-SERVICE p. 33

6.2.1.3.2.4.4 EMM-REGISTERED.PLMN-SEARCH p. 33

6.2.1.3.2.4.5 EMM-REGISTERED.UPDATE-NEEDED p. 33

6.2.1.3.2.4.6 EMM-REGISTERED.NO-CELL-AVAILABLE p. 33

6.2.1.3.3 EPS update status p. 34

6.2.1.3.4 EMM sublayer states in the MME p. 34

6.2.1.3.4.1 EMM-DEREGISTERED p. 34

6.2.1.3.4.2 EMM-COMMON-PROCEDURE-INITIATED p. 34

6.2.1.3.4.3 EMM-REGISTERED p. 34

6.2.1.3.4.4 EMM-DEREGISTERED-INITIATED p. 34

6.2.2 Behaviour of the MS in EMM-DEREGISTERED state and EMM-REGISTERED state p. 34

6.2.2.1 General p. 34

6.2.2.2 UE behaviour in state EMM-DEREGISTERED p. 34

6.2.2.2.1 General p. 34

6.2.2.2.2 Primary substate selection p. 35

6.2.2.2.3 Detailed description of UE behaviour in state EMM-DEREGISTERED p. 35

6.2.2.2.3.1 NORMAL-SERVICE p. 35

6.2.2.2.3.2 LIMITED-SERVICE p. 35

6.2.2.2.3.3 ATTEMPTING-TO-ATTACH p. 35

6.2.2.2.3.4 PLMN-SEARCH p. 35

6.2.2.2.3.5 NO-IMSI p. 35

6.2.2.2.3.6 ATTACH-NEEDED p. 35

6.2.2.2.3.7 NO-CELL-AVAILABLE p. 35

6.2.2.2.4 Substate when back to state EMM-DEREGISTERED from another EMM state p. 35

6.2.2.3 UE behaviour in state EMM-REGISTERED p. 36

6.2.2.3.1 General p. 36

6.2.2.3.2 Detailed description of UE behaviour in state EMM-REGISTERED p. 36

6.2.2.3.2.1 NORMAL-SERVICE p. 36

6.2.2.3.2.2 ATTEMPTING-TO-UPDATE p. 36

6.2.2.3.2.3 LIMITED-SERVICE p. 36

6.2.2.3.2.4 PLMN-SEARCH p. 36

6.2.2.3.2.5 UPDATE-NEEDED p. 36

6.2.2.3.2.6 NO-CELL-AVAILABLE p. 36

6.2.3 General on elementary EMM procedures for EPS services p. 36

6.2.4 EMM common procedures p. 36

6.2.4.1 GUTI reallocation procedure p. 36

6.2.4.1.1 General p. 36

6.2.4.1.2 GUTI reallocation initiation by the network p. 37

6.2.4.1.3 GUTI reallocation completion by the UE p. 37

6.2.4.1.4 GUTI reallocation completion by the network p. 37

6.2.4.2 Authentication and security mode procedure p. 37

6.2.4.2.1 Authentication and key agreement p. 37

6.2.4.2.1.1 General p. 37

6.2.4.2.1.2 Authentication initiation by the network p. 37

6.2.4.2.1.3 Authentication response by the UE p. 38

6.2.4.2.1.4 Authentication completion by the network p. 38

6.2.4.2.1.4.1 Authentication response received by the network p. 38

6.2.4.2.1.4.2 EPS key identification p. 38

6.2.4.2.1.5 Authentication not accepted by the network p. 38

6.2.4.2.1.6 Authentication not accepted by the UE p. 39

6.2.4.2.2 Security mode setup command and algorithm negotiation p. 39

6.2.4.2.2.1 General p. 39

6.2.4.2.2.2 NAS security mode setup command initiation by the network p. 40

6.2.4.2.2.3 NAS security mode setup command accepted by the UE p. 40

6.2.4.2.2.4 NAS security mode setup command completion by the network p. 40

6.2.4.2.2.5 NAS security mode setup command not accepted by the UE p. 40

6.2.4.3 Identification procedure p. 40

6.2.4.3.1 General p. 40

6.2.4.3.2 Identification initiation by the network p. 40

6.2.4.3.3 Identification response by the UE p. 40

6.2.4.3.4 Identification completion by the network p. 40

6.2.4.4 EMM information procedure p. 41

6.2.5 EMM specific procedures p. 41

6.2.5.1 Attach procedure p. 41

6.2.5.1.1 General p. 41

6.2.5.1.2 Attach procedure initiation p. 41

6.2.5.1.3 EMM common procedure initiation p. 41

6.2.5.1.4 Attach accepted by the network p. 41

6.2.5.1.5 Attach not accepted by the network p. 42

6.2.5.2 Detach procedure p. 42

6.2.5.2.1 General p. 42

6.2.5.2.2 UE initiated detach procedure p. 43

6.2.5.2.2.1 UE initiated detach procedure initiation p. 43

6.2.5.2.2.2 UE initiated detach procedure completion p. 43

6.2.5.2.2.3 Abnormal cases in the UE p. 43

6.2.5.2.3 Network initiated detach procedure p. 43

6.2.5.2.3.1 Network initiated detach procedure initiation p. 43

6.2.5.2.3.2 Network initiated detach procedure completion by the UE p. 43

6.2.5.2.3.3 Network initiated detach procedure completion by the network p. 43

6.2.5.2.3.4 Abnormal cases on the network side p. 44

6.2.5.3 Tracking area updating procedure p. 44

6.2.5.3.1 General p. 44

6.2.5.3.2 Handling of the periodic tracking area update timer p. 44

6.2.5.3.3 Tracking area updating procedure initiation p. 44

6.2.5.3.4 Tracking area updating procedure accepted by the network p. 45

6.2.5.3.5 Tracking area updating procedure not accepted by the network p. 46

6.2.6 EMM connection management procedures p. 46

6.2.6.1 Service request procedure p. 46

6.2.6.1.1 General p. 46

6.2.6.1.2 Service request procedure initiation p. 46

6.2.6.1.3 Service request procedure accepted by the network p. 47

6.2.6.1.4 Service request procedure not accepted by the network p. 47

6.2.6.2 Paging procedure p. 47

6.2.6.2.1 General p. 47

6.2.6.2.2 Paging for EPS services through E-UTRAN using S-TMSI p. 47

6.2.7 Receiving an EMM STATUS message by an EMM entity p. 47

6.3 Session management and bearer control procedures p. 48

6.4 Handling of unknown, unforeseen, and erroneous protocol data p. 48

6.5 Message functional definitions and contents p. 48

6.5.1 Overview p. 48

6.5.2 EPS Mobility Management (EMM) messages p. 49

6.5.2.1 Attach request p. 49

6.5.2.2 Attach accept p. 49

6.5.2.3 Attach complete p. 50

6.5.2.4 Attach reject p. 50

6.5.2.5 Detach request (UE originating detach) p. 51

6.5.2.6 Detach request (UE terminated detach) p. 51

6.5.2.7 Detach accept (UE originating detach) p. 52

6.5.2.8 Detach accept (UE terminated detach) p. 52

6.5.3 EPS Session Management (ESM) messages p. 53

6.6 General message format and information elements coding p. 53

6.6.1 Overview p. 53

6.6.2 Protocol Discriminator p. 53

6.6.3 Skip indicator p. 54

6.6.4 Message Type p. 54

6.6.5 Other information elements p. 54

6.6.5.1 General p. 54

6.6.5.2 Common information elements p. 55

6.6.5.2.1 Access point name p. 55

6.6.5.2.2 Spare half octet p. 55

6.6.5.3 EPS Mobility Management (EMM) information elements p. 55

6.6.5.3.1 Protocol configuration options p. 55

6.6.5.3.2 Detach type p. 55

6.6.5.4 EPS Session Management (ESM) information elements p. 56

6.7 List of system parameters p. 56

6.7.1 General p. 56

6.7.2 Timers of EPS mobility management p. 56