P802. 11n Working Group Letter Ballot Report




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Nov 2008 doc.: IEEE 802.11-08/1217r2

IEEE P802.11
Wireless LANs


P802.11n Working Group Letter Ballot Report

Date: 2008-11-12

Author(s):

Name

Company

Address

Phone

Email

Adrian Stephens

Intel Corporation

15 JJ Thompson Avenue,
Cambridge CB3 0FD UK

+1 (503)
616-3800

adrian.p.stephens@intel.com

Sheung Li

SiBEAM

555 Mathilda Avenue,
Sunnyvale, CA 94085

+1 (408) 245-3120

sli@sibeam.com

Bruce Kraemer

Marvell

5488 Marvell Lane,
Santa Clara, CA 95054

+1 (321) 427-4098

bkraemer@marvell.com


Abstract

This is the report documenting the results of 802.11 working group letter ballots on IEEE P802.11n. This report is to be submitted to the IEEE 802 Executive Committee to support the request for conditional approval to forward IEEE P802.11n to sponsor ballot.







1 Introduction 2

2 Summary of Ballot Results 2

3 Draft Text Stability 3

4 Summary of comments by ballot 3

5 Campaign to determine voter responses to resolutions 4

6 Summary of unsatisified comments 6

7 Analysis of Comments by Voter Affiliation 7

7.1 AT&T 8

7.1.1 The “Coupling” Issue 8

7.2 Texas Instruments 9

7.3 Unspecified 11

7.4 en.aerion 11

7.5 Ralink 12

7.6 Interdigital 13

7.7 Samsung 13

8 Additional Analysis of Comments by Topic 13

8.1 Use of 40MHz in 2.4 GHz 14

8.2 IP Issues 16

Annex A – Patcom response 17

Annex B – Detailed Comments 20





1Introduction

This is the report to the IEEE 802 Executive Committee documenting the Working Group letter ballots of IEEE P802.11n, including voting results, comment statistics and analysis, and unresolved negative comments.


In order to meet a 30 day before the November EC meeting release target, this document includes the ballot result from the latest letter ballot (136), but does not include any analysis of the LB136 comments because resolutions of these comments have not yet been agreed by the relevant 802.11 task/working group. An updated version will be provided prior to the EC meeting that contains the LB136 material.

2Summary of Ballot Results

Table 1 summarises the results of the P802.11n working group letter ballots.


Table 1 - P802.11n WG Ballot Results

BallotID

Ballot Close Date

Title

BallotType

Pool

Return

%Return

Abstain

%Abstain

Approve

Disapprove

%Approve

97

09 March 2007

Technical Letter Ballot for Task Group-n Draft 2.0

Technical

325

306

94.15

28

9.15

232

46

83.45

115

27 October 2007

Recirculation Letter Ballot for Task Group-n Draft 3.0

Recirculation

325

310

95.38

27

8.7

240

43

84.8

124

12 April 2008

Second Recirculation Ballot for Task Group-n Draft 4.0

Recirculation

325

312

96

25

8.01

253

34

88.15

129

12 June 2008

IEEE 802.11n_D5.00 Third Recirculation Ballot

Recirculation

325

313

96.3

23

7.34

260

30

89.65

134

05 August 2008

IEEE 802.11n Draft 6.0 Fourth Recirculation Letter Ballot

Technical

325

314

96.61

21

6.68

266

27

90.78

136

30 September 2008

IEEE 802.11n Draft 7.0 Fifth Recirculation Letter Ballot

Recirculation

325

314

96.61

21

6.68

276

17

94.19

136.1




LB136 Post Ballot vote changes




325

314

96.61

21

6.68

277

16

94.53

Following ballot 136, those carrying forward a negative vote from earlier ballots were contacted with a copy of their unsatisfied comments. As a result of this, 1 voter has changed their vote from disapprove to approve. This is shown as BallotID 136.1 above.



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