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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: 11N Liaison Report. Date Submitted: 18 March 2005 Source: Jim Allen, Appairent Technologies, John R. Barr, Motorola Address: 1303 E. Algonquin Road, Schaumburg, IL 60196

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: 11N Liaison Report. Date Submitted: 18 March 2005 Source: Jim Allen, Appairent Technologies, John R. Barr, Motorola Address: 1303 E. Algonquin Road, Schaumburg, IL 60196 Voice: 847-576-8706, FAX: 847-576-6758, E-Mail: John.Barr@Motorola.com Re: [] Abstract: 11n Liaison Report Purpose: For the purpose of informing the body. Notice: This document has been prepared to assist the IEEE P802.15. 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. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. NOTE: Update all red fields replacing with your information; they are required. This is a manual update in appropriate fields. All Blue fields are informational and are to be deleted. Black stays. After updating delete this box/paragraph. John Barr, Motorola/Jim Allen, Appairent Technologies

  2. 11N Liaison Report March 18, 2005 Atlanta, GA John Barr, Motorola/Jim Allen, Appairent Technologies

  3. Sources Based on Shameless plagiarism of .11n documents, primarily: • 11-05-0095-00-000n (TNn Opening Report) • 11-05-0266-00-000n TGn Sync March 5min Summary • 11-05-0273-00-000n WWiSE proposal closing summary March 2005 John Barr, Motorola/Jim Allen, Appairent Technologies

  4. TGn - March Schedule Mar 14 Mar 15 Mar 16 Mar 17 John Barr, Motorola/Jim Allen, Appairent Technologies

  5. Self Proclaimed Advantages • SYNC • Further along technically and better documented • Faster to approval • Wwise • Added six members • WWiSE has an efficient and streamlined design • Detailed and stable specification, suitable for immediate progress to Draft 1.0 • Key differences may be in: • MIMO inter-leaver design • Short cyclic prefix • Efficient pilot tone usage • Compact preambles John Barr, Motorola/Jim Allen, Appairent Technologies

  6. Down Select Ballot Results • 331 Total votes • 178 votes 53.8% TGn Sync • 153 votes 46.2 % WWiSE John Barr, Motorola/Jim Allen, Appairent Technologies

  7. Step 17 • When one proposal is left, there shall be a confirmation roll call vote either in favor of the proposal or for none of the above. The proposal shall be required to achieve a 75% majority in order to be submitted to the IEEE 802.11n Editor as the initial technical specification. If the remaining proposal fails to achieve a 75% majority, the members who voted "no" shall be requested to provide to the chair their reason(s) for voting no and what would be required to change their vote to affirmative. The proposer shall have an opportunity to respond to the concerns of the no voters, after which a roll call vote will be taken to approve the proposal. • Requirement to have a reason to vote no was removed. John Barr, Motorola/Jim Allen, Appairent Technologies

  8. Confirmation Vote Results • 321 Total votes • 56% For • 44% Against • Confirmation Failed John Barr, Motorola/Jim Allen, Appairent Technologies

  9. Simplified graphic from TGn Selection Procedure 03-665r9 Step 13 to Step 17 Step 15 >1 proposal Left? Step 13 Proposals change Step 14 Presentation of remaining proposals Q & A yes Step 16 Elimination Vote Approved by at least 75% no Draft prepared Reasons & cures Step 17 Roll Call Confirmation Vote #1 Approved by < 75% Responses Step 18 #2 Approved by < 75% Reset to 16 with last 3 proposals John Barr, Motorola/Jim Allen, Appairent Technologies

  10. Technical Editor Election • Candidates: • Adrian Stephens • Sean Coffey • Delayed selection until after confirmation. John Barr, Motorola/Jim Allen, Appairent Technologies

  11. Plans for May • Degree of compromise/merger between now and May meeting cannot be predicted. For time scheduling purposes, the following represents a plan based upon minimal compromise. Prior to meeting • Proposal team responses to no votes posted to server 10 days prior to May meeting (May 6) • Submission of email questions from membership can be supplied In meeting • Proposal team Presentation of responses (4-6 hrs) • Present original votes, remedies, responses • Present updated proposal • Group discussion, Q&A (4 hours) • Confirmation vote #2 (2 hr) • Elect technical editor • Other technical presentations • Coexistence Assurance document development with .19 • Plans for July John Barr, Motorola/Jim Allen, Appairent Technologies

  12. Time Line Events • PAR Approval Sept. 11, 2003 • 1st WG Letter ballot July 2005 • 1st Sponsor ballot March 2006 • Final WG/SEC approval November 2006 • Revcom approval December 2006 John Barr, Motorola/Jim Allen, Appairent Technologies

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