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Content for TS 24.161 Word version: 17.0.0

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5.1 Initial PDN connection establishment procedures 5.2 Extending NBIFOM traffic flows to additional access network 5.3 IP flow mobility between 3GPP and WLAN 5.4 Removal of an access from a multi-access PDN connection 5.5 IP flow mapping 5.6 Handling of change of access usability 5.7 Handling of Access stratum indication

5 NBIFOM control procedures p. 8

5.1 Initial PDN connection establishment procedures p. 8

5.1.1 UE procedures p. 8

5.1.1.1 UE-initiated PDN connection establishment over GERAN or UTRAN p. 8

5.1.1.2 UE-initiated PDN connection establishment over E-UTRAN p. 9

5.1.1.3 UE-initiated PDN connection establishment over trusted WLAN using SCM p. 9

5.1.1.4 UE-initiated PDN connection establishment over trusted WLAN using MCM p. 10

5.1.1.5 UE-initiated PDN connection establishment over untrusted WLAN p. 10

5.1.2 Network procedures p. 11

5.1.2.1 UE-initiated PDN connection establishment over GERAN or UTRAN p. 11

5.1.2.2 UE-initiated PDN connection establishment over E-UTRAN p. 11

5.1.2.3 UE-initiated PDN connection establishment over trusted WLAN using SCM p. 11

5.1.2.4 UE-initiated PDN connection establishment over trusted WLAN using MCM p. 11

5.1.2.5 UE-initiated PDN connection establishment over untrusted WLAN p. 11

5.2 Extending NBIFOM traffic flows to additional access network p. 12

5.2.1 UE procedures p. 12

5.2.1.1 Adding GERAN or UTRAN access to NBIFOM PDN connections (UE-initiated) p. 12

5.2.1.2 Adding E-UTRAN access to NBIFOM PDN connections (UE-initiated) p. 12

5.2.1.3 Adding trusted WLAN access to NBIFOM PDN connections (UE-initiated, using SCM) p. 13

5.2.1.4 Adding trusted WLAN access to NBIFOM PDN connections (UE-initiated, using MCM) p. 13

5.2.1.5 Adding untrusted WLAN access to NBIFOM PDN connections (UE-initiated) p. 14

5.2.2 Network procedures p. 14

5.2.2.1 UE-initiated addition of NBIFOM traffic flows to go over GERAN or UTRAN p. 14

5.2.2.2 UE-initiated addition of NBIFOM traffic flows to go over E-UTRAN p. 15

5.2.2.3 UE-initiated addition of NBIFOM traffic flows to go over trusted WLAN using SCM p. 15

5.2.2.4 UE-initiated addition of NBIFOM traffic flows to go over trusted WLAN using MCM p. 15

5.2.2.5 UE-initiated addition of NBIFOM traffic flows to go over untrusted WLAN p. 15

5.3 IP flow mobility between 3GPP and WLAN p. 15

5.3.1 UE procedures p. 15

5.3.1.1 UE-initiated IP flow mobility over GERAN or UTRAN p. 15

5.3.1.2 UE-initiated IP flow mobility over E-UTRAN p. 16

5.3.1.3 UE-initiated IP flow mobility over trusted WLAN using SCM p. 17

5.3.1.4 UE-initiated IP flow mobility over trusted WLAN using MCM p. 17

5.3.1.5 UE-initiated IP flow mobility over untrusted WLAN p. 17

5.3.1.6 Network-initiated IP flow mobility over GERAN or UTRAN p. 18

5.3.1.7 Network-initiated IP flow mobility over E-UTRAN p. 18

5.3.1.8 Network-initiated IP flow mobility over trusted WLAN using SCM p. 19

5.3.1.9 Network-initiated IP flow mobility over trusted WLAN using MCM p. 19

5.3.1.10 Network-initiated IP flow mobility over untrusted WLAN p. 20

5.3.2 Network procedures p. 20

5.3.2.1 UE-initiated IP flow mobility over GERAN or UTRAN p. 20

5.3.2.2 UE-initiated IP flow mobility over E-UTRAN p. 20

5.3.2.3 UE-initiated IP flow mobility over trusted WLAN using SCM p. 21

5.3.2.4 UE-initiated IP flow mobility over trusted WLAN using MCM p. 21

5.3.2.5 UE-initiated IP flow mobility over untrusted WLAN p. 21

5.3.2.6 Network-initiated IP flow mobility over GERAN or UTRAN p. 21

5.3.2.7 Network-initiated IP flow mobility over E-UTRAN p. 21

5.3.2.8 Network-initiated IP flow mobility over trusted WLAN using SCM p. 22

5.3.2.9 Network-initiated IP flow mobility over trusted WLAN using MCM p. 22

5.3.2.10 Network-initiated IP flow mobility over untrusted WLAN p. 22

5.4 Removal of an access from a multi-access PDN connection p. 22

5.4.1 General p. 22

5.4.2 UE procedures p. 22

5.4.2.1 UE-initiated removal of GERAN or UTRAN access from a multi-access PDN connection p. 22

5.4.2.2 UE-initiated removal of E-UTRAN access from a multi-access PDN connection p. 22

5.4.2.3 UE-initiated removal of trusted WLAN using SCM as an access from a multi-access PDN connection p. 23

5.4.2.4 UE-initiated removal of trusted WLAN using MCM as an access from a multi-access PDN connection p. 23

5.4.2.5 UE-initiated removal of untrusted WLAN as an access from a multi-access PDN connection p. 23

5.4.2.6 Network-initiated removal of GERAN or UTRAN access from a multi-access PDN connection p. 23

5.4.2.7 Network-initiated removal of E-UTRAN access from a multi-access PDN connection p. 23

5.4.2.7.1 General p. 23

5.4.2.7.2 Handling of ESM cause #39 "reactivation requested" p. 23

5.4.2.8 Network-initiated removal of trusted WLAN using SCM as an access from a multi-access PDN connection p. 24

5.4.2.9 Network-initiated removal of trusted WLAN using MCM as an access from a multi-access PDN connection p. 24

5.4.2.9.1 General p. 24

5.4.2.9.2 Handling of ESM cause #39 "reactivation requested" p. 24

5.4.2.10 Network-initiated removal of untrusted WLAN as an access from a multi-access PDN connection p. 24

5.4.2.10.1 General p. 24

5.4.2.10.2 Handling of Notify payload indicating reactivation requested p. 24

5.4.3 Network procedures p. 24

5.4.3.1 UE-initiated removal of GERAN or UTRAN access from a multi-access PDN connection p. 24

5.4.3.2 UE-initiated removal of E-UTRAN access from a multi-access PDN connection p. 25

5.4.3.3 UE-initiated removal of trusted WLAN using SCM as an access from a multi-access PDN connection p. 25

5.4.3.4 UE-initiated removal of trusted WLAN using MCM as an access from a multi-access PDN connection p. 25

5.4.3.5 UE-initiated removal of untrusted WLAN as an access from a multi-access PDN connection p. 25

5.4.3.6 Network-initiated removal of GERAN or UTRAN access from a multi-access PDN connection p. 25

5.4.3.7 Network-initiated removal of E-UTRAN access from a multi-access PDN connection p. 25

5.4.3.8 Network-initiated removal of trusted WLAN using SCM as an access from a multi-access PDN connection p. 25

5.4.3.9 Network-initiated removal of trusted WLAN using MCM as an access from a multi-access PDN connection p. 25

5.4.3.10 Network-initiated removal of untrusted WLAN as an access from a multi-access PDN connection p. 25

5.5 IP flow mapping p. 26

5.5.1 UE procedures p. 26

5.5.1.1 UE-initiated IP flow mapping over GERAN or UTRAN p. 26

5.5.1.2 UE-initiated IP flow mapping over E-UTRAN p. 26

5.5.1.3 UE-initiated IP flow mapping over trusted WLAN using SCM p. 27

5.5.1.4 UE-initiated IP flow mapping over trusted WLAN using MCM p. 27

5.5.1.5 UE-initiated IP flow mapping over untrusted WLAN p. 28

5.5.2 Network procedures p. 29

5.5.2.1 UE-initiated IP flow mapping over GERAN or UTRAN p. 29

5.5.2.2 UE-initiated IP flow mapping over E-UTRAN p. 29

5.5.2.3 UE-initiated IP flow mapping over trusted WLAN using SCM p. 29

5.5.2.4 UE-initiated IP flow mapping over trusted WLAN using MCM p. 29

5.5.2.5 UE-initiated IP flow mapping over untrusted WLAN p. 29

5.6 Handling of change of access usability p. 30

5.6.1 UE procedures p. 30

5.6.1.1 Change in usability of GERAN or UTRAN access p. 30

5.6.1.2 Change in usability of E-UTRAN access p. 30

5.6.1.3 Change in usability of trusted WLAN using SCM p. 32

5.6.1.4 Change in usability of trusted WLAN using MCM p. 32

5.6.1.5 Change in usability of untrusted WLAN p. 32

5.6.2 Network procedures p. 33

5.6.2.1 Change in usability of GERAN or UTRAN p. 33

5.6.2.2 Change in usability change of E-UTRAN p. 33

5.6.2.3 Change in usability of trusted WLAN using SCM p. 34

5.6.2.4 Change in usability of trusted WLAN using MCM p. 34

5.6.2.5 Change in usability of untrusted WLAN p. 34

5.7 Handling of Access stratum indication p. 34

5.7.1 UE procedures p. 34

5.7.1.1 Access stratum indication via GERAN or UTRAN p. 34

5.7.1.2 Access stratum indication via E-UTRAN p. 35

5.7.1.3 Access stratum indication via trusted WLAN using SCM p. 36

5.7.1.4 Access stratum indication via trusted WLAN using MCM p. 36

5.7.1.5 Access stratum indication via untrusted WLAN p. 37

5.7.2 Network procedures p. 38

5.7.2.1 Access stratum indication via GERAN or UTRAN p. 38

5.7.2.2 Access stratum indication via E-UTRAN p. 38

5.7.2.3 Access stratum indication via trusted WLAN using SCM p. 38

5.7.2.4 Access stratum indication via trusted WLAN using MCM p. 39

5.7.2.5 Access stratum indication via untrusted WLAN p. 39