21-10-0114-03-srho 1 IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-10-0114-03-srho Title: Comments and Questions for Optimized Single Radio Handover Procedures of WMF Date Submitted: July 13, 2010 Presented at IEEE 802.21 Authors or Source(s): Yoon-Young An, Junghoon Jee, Hongseok Jeon, Changmin Park, Byungjun Ahn (ETRI) Abstract: Comments and Questions for Optimized Single Radio Handover Procedures of WMF
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21-10-0114-03-srho 1 IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-10-0114-03-srho Title: Comments and Questions for Optimized Single Radio Handover Procedures.
srho 3 Optimized Single Radio Handover Key Features
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21-10-0114-03-srho 1
IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-10-0114-03-srhoTitle: Comments and Questions for Optimized Single Radio
Handover Procedures of WMFDate Submitted: July 13, 2010Presented at IEEE 802.21Authors or Source(s):Yoon-Young An, Junghoon Jee, Hongseok Jeon, Changmin Park, Byungjun Ahn
(ETRI)
Abstract: Comments and Questions for Optimized Single Radio Handover Procedures of WMF
21-10-0114-03-srho 2
IEEE 802.21 presentation release statementsThis document has been prepared to assist the IEEE 802.21 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 802.21.
The contributor is familiar with IEEE patent policy, as outlined in Section 6.3 of the IEEE-SA Standards Board Operations Manual <http://standards.ieee.org/guides/opman/sect6.html#6.3> and in Understanding Patent Issues During IEEE Standards Development http://standards.ieee.org/board/pat/guide.html>
IEEE 802.21 presentation release statementsThis document has been prepared to assist the IEEE 802.21 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 802.21.
The contributor is familiar with IEEE patent policy, as stated in Section 6 of the IEEE-SA Standards Board bylaws <http://standards.ieee.org/guides/bylaws/sect6-7.html#6> and in Understanding Patent Issues During IEEE Standards Development http://standards.ieee.org/board/pat/faq.pdf>
Station) operations while the MS is located in non-WiMAX Access network• MAC messages transfer over L3 tunnel• Pre-registration toward target WiMAX network
BS(Target)
Serving AP
ASN-GW (MAG)
IP Core Network
AR/MAG
BS(Another Candidate)
WiMAX SFF
HA/LMA
Data
Pre-registration through L3 tunnel
ASN-GW (MAG)
HO Preparation
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Review of Detailed Procedures - WiMAX IWK case
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Overall Steps
MS WiMAXSFF BS ASN-GW AAA HA
IP CoreNetwork
Phase 2: SR Handover Session Pre-Pregistration Phase
Phase 3: SR Handover Action Phase (Pseudo Activeà Active or Pseudo Activeà Pseudo Idleà Active )
Phase 4. SR Handover Resource Revocation Phase
Phase 1: SR Target Network Detection and SFF Discovery Phase
DNS
Note: Figure from DCN 21-10-0068-00-0000 and clarification is marked as blueNote: Figure from DCN 21-10-0068-00-0000 and clarification is marked as blue
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Phase-1: SR Target Network Detection and WiMAX SFF Discovery
MS/AT SourceSystem
LocalDHCP AAA
3. DNS Query
4. DNS Answer (SFFs IP address)
1. Domain Name acquisition via DHCP
SFFInformation
ServerDNS
2. Generate FQDN for SFF discovery
802.21 Information Service Query and Response
Note: Figure from DCN 21-10-0068-00-0000 and Note: Figure from DCN 21-10-0068-00-0000 and the Information Service query is added by referencing DCN 21-10-0005-00-0000the Information Service query is added by referencing DCN 21-10-0005-00-0000
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Assumption for Phase 2&3• In case of SRHO from WiFi to WiMAX networks• Pre-registered ASN-GW includes Authenticator• Target ASN-GW is different from the pre-registered ASN• Apply CSN Anchored Mobility