1. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 1 Beamforming and Link Adaptation Ad Hoc Status Summary and Agenda Notice: This document has been prepared to assist IEEE 802.11. 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 802.11. Patent Policy and Procedures: The contributor is familiar with the IEEE 802 Patent Policy and Procedures, 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 802.11 Working Group. If you have questions, contact the IEEE Patent Committee Administrator at.http:// ieee802.org/guides/bylaws/sb-bylaws.pdfstuart.kerry@philips.compatcom@ieee.org Date: 2006-11-09 Authors:

2. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 2 Abstract Summary of status of beamforming and link adaptation ad hoc, and proposed order of work.

3. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 3 Beam & LA Status Summary Total outstanding CIDs that require TGn motion: –154 –Outstanding CIDs with A/C/R resolution (from Portland): 59 –Remaining deferred: 95 Of the remaining 95 deferred comments, 25 do not have submissions identified –Of these, 15 are general comments about “too many TxBF modes” or “too many ways to do sounding”, with no assignee –The remaining 10 have assignees Total of 69 deferred comments with outstanding submissions on resolution

4. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 4 Proposed Order of Work Review list of outstanding submissions and comments covered –Identify any new submissions and comments covered Review list of CIDs with assignees but no submissions Review available submissions and attempt to resolve comments covered Open discussion on remaining deferred submissions Prepare motions –One motion to cover resolutions from Portland –One or more motions to cover resolutions in Dallas

5. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 5 Outstanding Submissions 06/1411r7 (Calibration) – 19 CIDs: –11905, 11893, 10075, 7919, 7906, 661, 7661, 7278, 7140, 722, 6797, 4637, 3973, 3967, 2680, 2269, 2258, 7371 (also 06/573r0), 7126, 7129 –8 additional CIDs in Frame: 660, 1235, 1236, 2268, 3810, 7820, 2257, 4222, 7823, 7826, 7830 –06/1651r1 supporting presentation –Will complete Tuesday 11/14

6. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 6 Submissions Completed in Dallas (1) 06/1335r6 (Explicit Feedback and Sounding) – 21 CIDs: –11959, 10286, 10285, 4161, 4144, 4142, 3991, 1073, 1072, 975, 974, 945, 947, 948, 949, 950, 951, 952, 954, 968, 973 –Resolved with 1335r6 –Heff definition will be covered with other submission next week. 06/593r6 (Implicit Beamforming) – 14 CIDs: –48, 7836, 6796, 6795, 6794, 4524, 2675, 2670, 2663 –12000, 10072, 10071, 8070, 3971 (also 06/886r1, 06/940r1) –2 additional not in BF&LA: 7277 (Dup of 4524) & 11890 (Dup of 7836) –3961 also related –Resolved and accepted

7. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 7 Submissions Completed in Dallas (2) 06/1626r0 (SNR fields for explicit feedback) – 4 CIDs –980, 984, 985, 4752 (also 976??) –Supersedes 1338r2 for 984 and 985 –Resolved with r1 06/1657r0 (Miscellaneous) – 3 CIDs –693, 3812, 3974 –Resolved. 06/594r2 (CSI Quantization) – 3 CIDs –7103, 11898, 11899 –06/1597r0, 06/893r0 related –Resolved – 06/1698r1 06/1338r2 (Tone Index for Grouping) – 2 CIDs –984, 985 –12098, 12100, 2292 (resolved by 06/1379r2 & approved Motion 59) –11460, 2291 resolved by 06/1379r2, not motioned yet –Superseded by 06/1626r0. Will not be considered further 06/1597r2 (CSI Quantization) – CID 3961 –06/0594r2, 06/893r0 related –Resolved – 06/1698r1

8. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 8 Submissions Completed in Dallas (3) 06/573r0 (ZLF sounding) – CID 7357 –Related to 06/1411r4 and 06/593r6 –Discuss in conjunction with 06/1411r5 –7357 will be resolved by 06/1411r6 06/893r0 (CSI Explicit feedback/quantization) – CID 11983 –2311, 3981, 3985 (Approved motion 61) –3976 accepted and edited –10287 dup of 11983, 11988 dup of 3985 –06/594r2, 06/1597r0 related –11983 resolved 06/938r0, 06/1070r0 (Smoothing bit) – CID 720 –Seigo is waiting for resolution of related comments in PHY and TGn 06/939r1 (CSI Estimation Capability) – CID 10074 –Resolved -- 06/1696r1 06/1382r2 (TXVECTOR/RXVECTOR) -- need to revisit typos CIDs 10880, 3086 –Resolved with 06/1382r4 06/1686r0 (SNR definition) – CID 976, 980, 3395 :Define SNRs for explicit feedback. –Resolved with 06/1686r1r1 06/1697r1: (Octet Padding) – CID 3979, 3983 –Resolved

9. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 9 Assigned CIDs 1131 – Matt: How to specify feedback style in explicit feedback request. –Resolved in D1.05 (06/886r4) 7598 – Darren: Move definitions of Tx BF control fields. Has this been resolved by Adrian’s reorg? –Resolved in D1.05 11985, 11987 – Vinko, Gal, Joonsuk: order of vectors in steering matrices –Joonsuk will investigate 974, 952, 3991, 10286, 11959 – Assaf -- CSD removal

10. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 10 Other Resolved CIDs (AKA Fab 15) 261 – Too many versions of explicit beamforming– eliminate two of them 503 – Too many forms of beamforming– eliminate implicit 710 – Too many forms of beamforming – choose one 3505 – Too many forms of explicit beamforming – simplify 3872 – Two beamforming mechanisms – choose one 7237 – Three approaches to explicit beamforming – explain why this is necessary or choose one. 7417, 7418 -- Too many approaches to spatial mapping and explicit beamforming – keep CSI feedback and remove the others 8050 – Too many beamforming options – choose one implicit and one explicit 8141 – Too many explicit beamforming options – remove one or two 8142 – Don’t need two sounding packet formats. Get rid of one 8195 – Too many explicit beamforming options – removed compressed steering 12035, 12053 – Too many versions of beamforming. Remove until simplification is agreed on 5121 – Two beamforming mechanisms. Make one a subset of the other.

11. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 11 Straw Polls Straw Poll #1: Should the Beamforming and Link Adaptation ad hoc address the Fab 15 comments (see previous slide) individually or as a group: –Group: 10 –Individually: 0 –Abstain: 2 Straw Poll #2: Should the Bemaforming and Link Adaptation ad oc reject the fab 15 comments (see previous slide)? –Yes: 10 –No: 0 –Abstain: 2

12. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 12 Current Beam & LA Stats CIDs resolved with pending motions: 125 Remaining deferred CIDs: 29 –Covered by 06/1411r6: 21 –Covered by 06/938r0 & 06/1070r0: 1 –Awaiting submissions: 7

13. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 13 Beam & LA Pending Motion 1 Moved: Approve resolution of comments found on the tab labeled “Pending motion 1” in document 11- 06/0675r46. Motion 80 –Based on resolutions agreed at Portland ad hocs –Resolves 59 comments with As, Cs, and Rs –Passed by unanimous consent

14. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 14 Beam & LA Pending Motion 2 Moved: Approve resolution of comments found on the tab labeled “Pending motion 2” in document 11- 06/0675r46. Motion 87 –Based on resolutions agreed at Dallas ad hocs –Resolves 51 comments with As, Cs, and Rs

15. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 15 Beam & LA Pending Motion 3 Moved: Approve resolution of comments found on the tab labeled “Pending motion 3” in document 11- 06/0675r46. Motion 88. –Based on resolutions agreed at Dallas ad hoc –Rejects 15 comments requesting simplification of beamforming and sounding

16. doc.: IEEE 802.11-06/1673r8 Submission November 2006 John Ketchum, Qualcomm IncorporatedSlide 16 Beam & LA Pending Motion 4 Moved: Approve resolution of comments found on the tab labeled “Pending motion 4” in document 11- 06/0675r52. –Based on resolutions agreed at Dallas ad hoc meetings during week of November 13. –Includes modifications to 40 previously approved comment resolutions. These are resolutions that modified text in D1.0 subclause 7.4.7.4 and 7.4.7.5, which have been removed as a result of accepting the text in 06/1411r7, or modify related sections. These are included in rows 47 through 86 of the referenced tab.