1. doc.: IEEE 802.15-05/0307r0 Submission May 2005 Dr. John R. Barr, MotorolaSlide 1 Project: IEEE 802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [TGn Liaison Report] Date Submitted: [20May2005] Source: [John Barr] Company [Motorola] Address [1303 E. Golf Road, Schuamburg, IL 60196] Voice:[+1 847 576-8706], FAX: [+1 847 576-6758], E-Mail:[John.Barr@Motorola.com] Re: [] Abstract:[Liaison report to inform 802.15 WG of actions taken by 802.11n.] Purpose:[Information Exchange] Notice:This document has been prepared to assist the IEEE 802.15. 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 802.15.

2. doc.: IEEE 802.15-05/0307r0 Submission May 2005 Dr. John R. Barr, MotorolaSlide 2 Summary Starting to look like 802.15.3a Two days of response to confirmation no comments –Unique attempt to take straw polls on soft issues –Used straw poll information as rationale for requesting delay in 2nd confirmation vote (failed) Attempt to adjourn meeting to avoid 2nd confirmation vote (failed) –Roll call on adjourn spanned Wednesday PM2 and Thursday PM1 sessions Attempt to delay motion to proceed to 2nd confirmation vote indefinitely –It was a MI approved on Monday with special orders of the day fixing confirmation vote for 1:30 on Thursday –After multiple motions and numerous points of order, the chair was ruled out of order for presenting the original motion and the confirmation vote was taken. 2nd Confirmation vote failed: Less than 50% for confirmation –Process reverts back to considering last three proposals in July

3. doc.: IEEE 802.15-05/0307r0 Submission May 2005 Dr. John R. Barr, MotorolaSlide 3 Primary Documents 05-0391 r0 TGnSync “MAC responses to reasons and cures” (xls) 05-0389 r0 TGnSync “PHY responses to reasons and cures” (xls) 05-0388 r0 TGnSync “PHY responses to reasons and cures” (ppt) 04-0889 r6 TGnSync “Proposal Technical Specification” (doc) 04-0895 r5 TGnSync “Proposal MAC Simulation Methodology” (doc) 05-0477 r0 TGnSync PHY Questions for TGn 05-0444 r1 TGnSync MAC Questions for TGn 05-0433 r0 Handset requirements for TGn 05-0315 r5+ TGn opening report - May ‘05

4. doc.: IEEE 802.15-05/0307r0 Submission May 2005 Dr. John R. Barr, MotorolaSlide 4 802.11n Ratification Schedule A Yes Vote avoids Delay! TGn needs to pull together to meet Q1’07 schedule A Yes Vote avoids Delay! TGn needs to pull together to meet Q1’07 schedule Sponsor Ballot complete >95% approval 1 st Draft Spec Projected IEEE Milestones Sep ’05 Nov’06 Q1’07 Final Spec. Down Selection Vote > 50% Mar ’05 1 st Sponsor Ballot May ’06 1 st WG Letter Ballot (goal > 90%) Jan ’06 Confirmation Vote >75% Jul’05 1 st Draft Spec Consequence of Failure May’07 Mar ’06 1 st WG Letter Ballot (Best Case) Sep ’05 Down Selection Vote > 50% Conformation (Best Case (assumption) Jan’06 Jul’06 Confirmation Vote <75% Nov ’05 Down Selection Vote > 50% Sponsor Ballot complete >95% approval 6 to 8 months delay best case Q4’07 Final Spec.