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IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-10-0126-00-srho
Title: PMIPv6 procedure for Optimized Single Radio Handover of WiMAX Forum Date Submitted: July 1, 2010 Presented at IEEE Authors or Source(s): Yoon-Young An, Junghoon Jee, Hongseok Jeon, Changmin Park, Byungjun Ahn (ETRI) Abstract: This presentation provides PMIPv6 procedures for single radio handover between WiFi and WiMAX networks
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IEEE 802.21 presentation release statements
This document has been prepared to assist the IEEE Working Group. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE The contributor is familiar with IEEE patent policy, as stated in Section 6 of the IEEE-SA Standards Board bylaws < and in Understanding Patent Issues During IEEE Standards Development IEEE presentation release statements This document has been prepared to assist the IEEE Working Group. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE The contributor is familiar with IEEE patent policy, as outlined in Section 6.3 of the IEEE-SA Standards Board Operations Manual < and in Understanding Patent Issues During IEEE Standards Development
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Overview of a SRHO in WMF
Phase 1 SR Target Network Detection SFF Discovery Phase SR MS state : Null Phase 2 SR Session Pre-Registration HO Preparation SR MS state : Null Pseudo Active Phase 3 SR HO Action SR MS state : Pseudo Active Active or Pseudo Active Pseudo Idle Active Note: Refer to DCN and clarification is marked as blue
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PMIPv6 Procedure of SRHO
SRHO for WiFi Network to WiMAX Network PMIPv6 signaling is added to phase 2 and phase 3 Active mode HO Preparation Procedure Pseudo Active Active Assumption Pre-registered ASN-GW includes Authenticator Target ASN-GW is different from the pre-registered ASN
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PMIPv6 Procedure in Phase-2 : SR HO Session Pre-Registration
MS Target ASN-GW (MAG) Pre-registered ASN-GW(MAG) /Authenticator AP/AR (MAG) IP Core Network WiMAX SFF Target BS LMA/HA AAA WiFi WiMAX Data IKEv2 procedure to setup a secure tunnel secure tunnel WIMAX SFF starts to perform BS operation DCD/UCD & BSID Initial Network Entry Procedure (stage ) MS-to-Network EAP authentication process MS e Registration process Connections Establishment Data Path Establishment AAA query with MS ID AAA reply with profile(HNP) RA(with HNP) IP Address Configuration for WiMAX Interface
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PMIPv6 Procedure in Phase-2: Active mode SRHO Preparation
MS Target ASN-GW (MAG) Pre-registered ASN-GW(MAG) /Authenticator AP/AR (MAG) WiMAX SFF IP Core Network Target BS LMA AAA WiFi WiMAX Data Active mode HO Preparation Procedure • MS-Initiated SRHO Preparation (Refer stage3 ) MOB_MSHO_Req HO_Req HO_Req Context retrieve DP Pre-Reg This message have target BS’s information HO_Rsp HO_Rsp MOB_BSHO_Rsp HO_Ack HO_Ack OR HO_Req This message includes one or more potential target BS’s HO_Req • Network-Initiated SRHO Preparation (Refer stage3 ) Context retrieve DP Pre-Reg HO_Rsp HO_Rsp MOB_BSHO_Req HO_Ack HO_Ack MOB_MSHO_Ind HO_Cnf • Refer stage HO_Cnf This message initiates a handover to one of the target BSs HO_Ack HO_Ack
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PMIPv6 Procedure in Phase-3 : SR Handover Action
MN Target ASN-GW (MAG) Pre-registered ASN-GW(MAG) /Authenticator AP/AR (MAG) IP Core Network WiMAX SFF Target BS LMA AAA WiFi WiMAX Network ReEntry Anchor_DPF_HO_Trigger • Successful HO Action Phase Anchor_DPF_HO_Req Anchor_DPF_Relocate_Req Anchor_DPF_Relocate_Rsp HO Latency in SRHO PBU Access-Request/MAR Access-Accept/MAA PBA Bi-Dir tunnel Anchor_DPF_HO_Rsp Anchor_DPF_Relocate_Ack Context_Rpt(Anchor ASN GW ID) Context_Ack IPv6 session Continuation Data
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Key Issues Address Configuration for target WiMAX radio interface
Data path update from WiFi network to WiMAX network Minimizing the packet loss
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