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IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-12-0076-00-srho Title: 3GPP-WLAN single radio handover Date Submitted: Authors or Source(s): Dapeng Liu (CMCC) Abstract: This document discuss the media independent single radio handover between WLAN and 3GPP.
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IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-12-0076-00-srho Title: 3GPP-WLAN single radio handover Date Submitted: Authors or Source(s): Dapeng Liu (CMCC) Abstract: This document discuss the media independent single radio handover between WLAN and 3GPP.
3GPP-WLAN Interworking Architecture S2a: PMIP or GTP S2b: PMIP S2c: DSMIPv6
3GPP-WLAN Single Radio Handover 3GPP Access P-GW S-GW MME AAA STA WiFi SFF ePDG WLAN Access S2c
STA 3GPP AN WiFi SFF WLAN AN/authenticator ePDG PDG/HA AAA Initial link setup Target Network Discovery L3 Tunnel Setup 802.11 Association 802.1X/EAP Authentication 4-way handshake Tear-down tunnel WLAN on, 3GPP Off 802.11 Re-association DHCP/IP address allocation IPsec tunnel establish Binding update/Binding acknowledgement WiFi connected
Discussion • WiFi-SFF • How does WiFi-SFF forward L2 message to target WLAN network? • L2 message • Association frame • EAPOL frame 21-09-0XXX-00-