1. TGn Sync 2nd Confirmation Summary Update to TGn May 2005
doc.: IEEE /491r0
May 2005
TGn Sync 2nd Confirmation Summary Update to TGn May 2005
Date:
Author
Name
Company
Address
Phone
Syed Aon Mujtaba
Agere Systems
555 Union Blvd.,
Allentown, PA 18109, USA
Notice: This document has been prepared to assist IEEE 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 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
Patent Policy and Procedures: The contributor is familiar with the IEEE 802 Patent Policy and Procedures < ieee802.org/guides/bylaws/sb-bylaws.pdf>, including the statement "IEEE standards may include the known use of patent(s), including patent applications, provided the IEEE receives assurance from the patent holder or applicant with respect to patents essential for compliance with both mandatory and optional portions of the standard." Early disclosure to the Working Group of patent information that might be relevant to the standard is essential to reduce the possibility for delays in the development process and increase the likelihood that the draft publication will be approved for publication. Please notify the Chair as early as possible, in written or electronic form, if patented technology (or technology under patent application) might be incorporated into a draft standard being developed within the IEEE Working Group. If you have questions, contact the IEEE Patent Committee Administrator at
Syed Aon Mujtaba, Agere Systems, et. al.
Syed Aon Mujtaba, Agere Systems, et. al.

2. May 2005
doc.: IEEE /491r0
May 2005
Syed Aon Mujtaba, Agere Systems, et. al.
Syed Aon Mujtaba, Agere Systems, et. al.

3. May 2005
doc.: IEEE /491r0
May 2005
Syed Aon Mujtaba, Agere Systems, et. al.
Syed Aon Mujtaba, Agere Systems, et. al.

4. May 2005
doc.: IEEE /491r0
May 2005
Syed Aon Mujtaba, Agere Systems, et. al.
Syed Aon Mujtaba, Agere Systems, et. al.

5. Abstract Summary of TGn Sync status for 2nd confirmation vote.
May 2005
doc.: IEEE /491r0
May 2005
Abstract
Summary of TGn Sync status for 2nd confirmation vote.
Syed Aon Mujtaba, Agere Systems, et. al.
Syed Aon Mujtaba, Agere Systems, et. al.

6. Successful Confirmation
May 2005
Successful Confirmation
TGn Sync commits to make the reported “guidance changes”.
TGn Sync believes the fast path to a standard is achieve a successful 2nd confirmation vote.
Syed Aon Mujtaba, Agere Systems, et. al.

7. Motivation for Adjournment
May 2005
Motivation for Adjournment
Technical (TGn Solution)
Positive feedback from straw polls indicated that TGn Sync proposal should change prior to a 2nd confirmation
Schedule
Resetting the process to 3 proposals will significantly delay the standard (6-8 months)
Political (Merged Solution)
Repeated attempts to meet were rejected by WWiSE
No indication of good faith to contribute to a merger discussion (e.g., “Why Vote No”, doc )
Syed Aon Mujtaba, Agere Systems, et. al.

8. 802.11n Ratification Schedule
May 2005
doc.: IEEE /491r0
May 2005
802.11n Ratification Schedule
Jul’05
Mar ’05
Jan ’06
May ’06
Nov’06
Projected
IEEE
Milestones
Sep ’05
Q1’07
Final
Spec.
Confirmation
Vote >75%
1st Sponsor
Ballot
Sponsor
Ballot complete
>95% approval
1st WG
Letter Ballot
(goal > 90%)
Down Selection
Vote > 50%
1st Draft
Spec
6 to 8 months
delay best case
Jan’06
Mar ’06
Sep ’05
Jul’06
May’07
Q4’07
Final
Spec.
Consequence of Failure
Nov ’05
Down
Selection
Vote > 50%
Confirmation
Vote <75%
1st Draft
Spec
1st WG
Letter Ballot
(Best Case)
Sponsor
Ballot complete
>95% approval
Down
Selection
Vote > 50%
Conformation
(Best Case (assumption)
A Yes Vote avoids Delay!
TGn needs to pull together to meet Q1’07 schedule
Syed Aon Mujtaba, Agere Systems, et. al.
Syed Aon Mujtaba, Agere Systems, et. al.

9. Plan for Confirmation Proposal Update
May 2005
Plan for Confirmation
Proposal Update
Simulations and Final Proposal to be completed after Cairns
Continue to pursue discussions with WWiSE
Plan for Confirmation
Ad Hoc meeting with TGn members in June
Resolve any issues
Final Review
Present Final Proposal for Confirmation in July
Syed Aon Mujtaba, Agere Systems, et. al.

10. May 2005
Back-up Slides
Syed Aon Mujtaba, Agere Systems, et. al.

11. Progress Since Atlanta
May 2005
Progress Since Atlanta
Joint Proposal Efforts
Since Atlanta, TGn Sync has aggressively pursued a Joint Proposal with WWiSE
TGn Sync has offered major concessions to WWiSE
TGn Sync continues to offer a simple, reasonable way to get started that shows good faith on the part of both parties
Clean sheet
One vote/company, 66% passes
Commitment to regular technical working sessions
Announcement of the joint effort to TGn
Syed Aon Mujtaba, Agere Systems, et. al.

12. Progress: March – May 2005 Technical Improvements Shortened Preamble
Reduced Number of MCS modes
Made Calibration optional
Basic & Advanced Modes merged into one TxBF Mode
Enhanced support for power-saving in handsets – MMP
Simplified Reverse Direction Method
Substantially cleaned-up and simplified the technical spec MAC sections
Syed Aon Mujtaba, Agere Systems, et. al.

13. May 2005
Progress: This week
Completed presentation of “Reasons and Cures” responses
381 Comments
Gathered guidance from TGn
Conducted several straw-polls
Listened to TGn feedback on proposal
Syed Aon Mujtaba, Agere Systems, et. al.

14. TGn Guidance: PHY Add support for single antenna devices Add STBC
May 2005
TGn Guidance: PHY
Add support for single antenna devices
Assuming FR2 Change
Add STBC
Add signaling of beamforming capabilities
Syed Aon Mujtaba, Agere Systems, et. al.

15. TGn Guidance: MAC Simplifications
May 2005
TGn Guidance: MAC Simplifications
Replace 3-way handshake with 1-way simple grant
Replace Pairwise Spoofing with an alternative
Remove negotiation of number of MSDUs in the bitmap at BA setup time
Remove BA state restriction
Remove implicit BAR mechanism
Add RIFS PPDU bursting feature
Syed Aon Mujtaba, Agere Systems, et. al.