1. L802.11-07/071 Submission Nov 2007 Slide 1 802.21 Liaison - Session #52 Closing Plenary IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE L802.16-07/071 Date Submitted: 2007-11-15 Source: Peretz FederVoice:+1973.386-6976 Alcatel-LucentE-mail:pfeder@alcatel-lucent.com Venue: 802.16 Session #52 Closing Plenary Base Contribution: None. Purpose: IEEE 802.21 Liaison Group presentation to closing plenary of the WG containing plan for the week Notice: This document does not represent the agreed views of the IEEE 802.16 Working Group or any of its subgroups. It represents only the views of the participants listed in the Source(s) field above. It is offered as a basis for discussion. It is not binding on the contributor(s), who reserve(s) the right to add, amend or withdraw material contained herein. Release: 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 IEEEs name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEEs 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 802.16. Patent Policy: The contributor is familiar with the IEEE-SA Patent Policy and Procedures: and.http://standards.ieee.org/guides/bylaws/sect6-7.html#6http://standards.ieee.org/guides/opman/sect6.html#6.3 Further information is located at and.http://standards.ieee.org/board/pat/pat-material.htmlhttp://standards.ieee.org/board/pat

2. L802.11-07/071 Submission Nov 2007 Slide 2 802.21 Media Independent Handover (MIH) Charter –Develop standards to enable handover and interoperability between heterogeneous networks, including both 802 and non-802 networks Transition glue between 802.11 and other network technologies –Including: 802.3, 802.16, cellular Overview –Tutorial in July 2006 IEEE 802 plenary session http://www.ieee802.org/802_tutorials/index.htm –Planning new tutorial for March 2008 IEEE 802 plenary session

3. L802.11-07/071 Submission Nov 2007 Slide 3 P802.21 Scope Interfacing between 802 and other technologies –Great variety of designs, parameters, interfaces, addresses, names Wider constituency than rest of 802 –Every 802 MAC/PHY technology –Cellular SDOs: 3GPP, 3GPP2 –Cellular and other network developers –Network operators –Regulatory bodies, government agencies and initiatives European Commission Ambient Networks IMT Advanced Parameters on multiple layers of networks –PHY, MAC, Data Link, IP, Applications, Services all are relevant

4. L802.11-07/071 Submission Nov 2007 Slide 4 P802.21 Sponsor Ballot Progress Initial Sponsor Ballot Issued Aug 2007 165 Sponsor Members –Much larger than the 802.21 Work Group (currently 73 WG voters) Ballot Progress –Initial Sponsor Ballot completed Sept 17, 2007 –Approval Ratio 62%; 650 comments Comments –Large number of comments from 802.11 members: Good –Some impossible to satisfy comments: Bad Example: Document needs to be a recommended practice. Example: Define conformance criteria.

5. L802.11-07/071 Submission Nov 2007 Slide 5 802.21 Internal Current Tasks All 650 SB comments resolved between Sept, Oct and Nov meetings Going for SB re-circulation at end of Nov-07. Currently at 62% Approval, Aiming for RevCom submission by March-2008 802.11u (in LB) has incorporated all of MIH changes and has included a MAC State Convergence Function in its reference diagram for supporting 802.21 messages Multi-Radio Power Conservation Management –Behcet Sarikaya (Huawei) Study Group Chair Problem statement is questioned TR is available Security Signaling –Yoshiro Ohba (Toshiba) Study Group Chair –Long list of presentations, including 401 Security Signaling Performance 402 MIH Key Hierarchy 387 Security Signaling 403 Security Use Cases 390 Security Use Case Scenarios

6. L802.11-07/071 Submission Nov 2007 Slide 6 802.21 Standards Interfaces 802.1 –Comments indicated a number of issues with 802.1 LinkSec group –802.21 will invite 802.1 to present suggestions for interface with 802.21 802.11u –802.21 and TGu coordinated ad-hoc meetings –802.11u now provides excellent support of MIH 802.16 –In 2008, planning to work more closely with 802.16m 3GPP –Of course 3GPP documents cant reference the incomplete 802.21 document –But 3GPP SA2 and RAN both working with members of 802.21 –The 802.21 Information Server (IS) model is now part of the 3GPP architecture –3GPP completed document TR36.938 that includes 802.21 interface MIH measurements from the LTE side; WiMAX – LTE handover –802.21 work item phase next year DVB –Presentation on DVBH handovers this afternoon: 21-07-0360-00-DVB-Presentation.ppt IMT Advanced –802.21 submitted requirements to ITU through 802.18 –More work planned in January

7. L802.11-07/071 Submission Nov 2007 Slide 7 P802.21 Current State and Timeline Sponsor Ballot: 165 voters –WG only had only 69 voters Initial Sponsor Ballot completed Sept 2007 Second Sponsor Ballot after this session –In September completed half of 650 comments from initial sponsor ballot –Almost 200 treated in October ad-hoc meeting –Completing the remainder this session –8 voters so far have indicated that they will change their votes Pending agreed-on changes Still Plan to Submit to RevCom March 2008

8. L802.11-07/071 Submission Nov 2007 Slide 8 References This document Thanks to Vivek Gupta, Chair of 802.21 All Documents –http://www.ieee802.org/21http://www.ieee802.org/21 All submissions are open to the public –http://www.ieee802.org/21/doctree/http://www.ieee802.org/21/doctree/ Current draft is in the members-only area