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Content for  TS 23.402  Word version:  17.0.0

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0…   4…   4.2…   4.2.2   4.2.3   4.3…   4.4…   4.5…   4.5.7…   4.6…   4.7…   4.7.2…   4.8…   4.8.2a…   4.9…   5…   5.2…   5.4…   5.5   5.6…   5.7…   5.8…   6…   6.2…   6.3   6.4…   6.4.3…   6.5…   6.6…   6.7…   6.8…   6.10…   6.13…   6.15…   7…   7.2…   7.3   7.4…   7.5…   7.6…   7.8…   7.10…   8…   8.2.1.2   8.2.1.3…   8.2.2   8.2.3…   8.2.6…   8.3…   8.4…   8.5…   9…   9.3…   9.4…   10…   13…   16…   16.1.2…   16.1.6…   16.2…   16.2.1a…   16.3…   16.4…   16.7…   16.8…   16.10…   17…   A…   C…   E…

 

16.7  Detach in WLAN on S2a for Multi-connection Mode |R12|Word‑p. 281

16.7.1  Detach in WLAN on GTP S2aWord‑p. 281

16.7.1.1  UE/TWAN Initiated Detach Procedure in WLAN on GTP S2aWord‑p. 281

Copy of original 3GPP image for 3GPP TS 23.402, Figure 16.7.1.1-1: UE/TWAN-Initiated Detach in WLAN on GTP S2a
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The procedure is similar to in clause 16.3.1.1, with the following differences:
  • Step1: To detach from EPC, the UE can send a disassociation or deauthentication notification according to IEEE Std 802.11-2012 [64]. If there is no traffic received from the UE for a configurable duration and the TWAN detects the UE has left based on unanswered probes (e.g. ARP Request, Neighbor Solicitation message), the TWAN initiates the detach procedure.
  • Step 2 to Step 5 refers to clause 16.9.1.
  • In the case of connectivity with multiple PDNs, the steps 2 to 5 are repeated for each PDN the UE is connected to.
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16.7.1.2  HSS/AAA Initiated Detach Procedure in WLAN on GTP S2aWord‑p. 282

Copy of original 3GPP image for 3GPP TS 23.402, Figure 16.7.1.2-1: HSS/AAA-Initiated Detach in WLAN on GTP S2a
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The procedure is similar to in clause 16.3.1.2, with the following differences:

16.7.2  Detach in WLAN on PMIP S2aWord‑p. 282

16.7.2.1  UE/TWAN Initiated Detach Procedure in WLAN on PMIP S2aWord‑p. 282

Copy of original 3GPP image for 3GPP TS 23.402, Figure 16.7.2.1-1: UE/TWAN Initiated Detach in WLAN on PMIP S2a
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The procedure is similar to GTP based S2a call flows in clause 16.7.1.1, with the following differences:
  • Step 2 is a Proxy Binding Update. The details of the Proxy Binding Update message are described in step 3 in clause 6.4.1.1. Additionally, the Proxy Binding Update includes the current TWAN Identifier as described in clause 16.1.7, the Timestamp of this TWAN-Identifier and the UE Time Zone.
  • Step 5 is a Proxy Binding Acknowledgement. The details of the Proxy Binding Acknowledgement message are described in step 6 in clause 6.4.1.1.
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16.7.2.2  HSS/AAA Initiated Detach Procedure in WLAN on PMIP S2aWord‑p. 283

Copy of original 3GPP image for 3GPP TS 23.402, Figure 16.7.2.2-1: HSS/AAA Initiated Detach in WLAN on PMIP S2a
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The procedure is similar to GTP S2a call flow in clause 16.3.1.2, the difference is that step 2 refers to Figure 16.7.2.1-1.
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