IEEE P802.11 - TASK GROUP AC -
MEETING UPDATE
Status of Project IEEE 802.11ac
Very High Throughput <6Ghz
 Osama Aboul-Magd (Huawei Technologies), Chair
 Joonsuk Kim (Apple), Vice Chair
 Menzo Wentink (Qualcomm), Vice Chair
 David Yang (Huawei), TG Secretary
 Robert Stacey (Intel), Technical Editor 
This project is now complete. Thank you to everyone who helped
September 2013
Achievements
 
 The TG meeting Agenda is available at  September 2013 Meeting Agenda 
The main achievements of this meeting were:
  
    -  Completed the resolution of SB 01 comments received on draft D6.0
Comment spreadsheet is available at:  SB 01 Comments Spread Sheet 
-  Prepare draft D7.0 and start a second recirculation sponsor ballot.Ballot started on September 19 and closed on October 4, 2013.
-  Discussed QoS simplification proposal in doc 11-13/1170r1. Motion to add the proposed changes in draft D7.0 didn’t achieve the required 75%.
-  Prepared draft report to Revcom requesting conditional approval by November. The draft report is available at 11-13/1175r1.
	
 November 2013 Goals 
   -  Complete the resolution of all the comments received during on draft D7.0
   
-  Complete and approve the resport to EC for conditional approval to forward the draft to Revcom.
   
July 2013
Achievements
 
 The TG meeting Agenda is available at  July 2013 CRC Meeting Agenda 
The main achievements of this meeting were:
  
    -  A CRC meeting was held in Munich, Germany during the period of July 10-11 with the objective to achieve progress on initial sponsor ballot comment resolution.
	
-  Completed the resolution of all initial sponsor ballot comments. Initial sponsor ballot comment resolution spreadsheet is available at  SB 0 Comments Spread Sheet 
   
      
-  A motion passed to start the first recirculation sponsor ballot. 
      
-  The first recirculation sponsor ballot started on July 19 and ended on August 3rd. 
      
-  The TG has no business scheduled during the July IEEE 802.11 meeting in Geneva.
	
 September 2013 Goals 
   -  Complete the resolution of all the comments received during the first recirculation sponsor ballot
   
-  Generate a new revision of the TG draft and initiate a new ballot.
   
May 2013
Achievements
 
 The TG meeting Agenda is available at  May 2013 Meeting Agenda 
The main achievements of this meeting were:
  
    -  Started the resolution of comments received during the first sponsor ballot on draft D5.0.
	
-  First sponsor ballot comment resolution spreadsheet is available at  SB 01 Comments Spread Sheet 
   
      
-  Completed the resolution of 47 technical comments. About 110 technical comments are still open. 
      
-  The Editor completed the resolution of almost 2/3 of the editorial comments. 
      
-  A TGac ad hoc meeting is scheduled for July 10-12 in Munich, Germany to continue working on SB 01 comment resolution.
	
 July 2013 Goals 
   -  Complete the resolution of all the comments received during the first sponsor ballot
   
-  Generate a new revision of the TG draft and initiate a new sponsor ballot.
   
March 2013
Achievements
 
 The TG meeting Agenda is available at  March 2013 Meeting Agenda 
The main achievements of this meeting were
  
    -  Approved resolutions of comments received on draft D5.0 (LB190)
	
-  Draft D5.0 comment resolution spreadsheet is available at  LB 191 Comments Spread Sheet 
   
      
-  A WG motion was passed to start a 15-day recirculation ballot on the unchanged draft D5.0. 
      
-  Revied and approved the report to the IEEE 802 EC requesting conditional approval for sponsor ballot. The report is available at  EC Sponsor Ballot Report 
	
 May 2013 Goals 
   -  Start resolution of comments received on the first sponsor ballot
   
January 2013
Achievements
 
 The TG meeting Agenda is available at  January 2013 Meeting Agenda 
The main achievements of this meeting were
  
    -  Completed the resolution of all comments received on draft D4.0 (LB190)
	
-  Draft D4.0 comment resolution spreadsheet is available at  LB 190 Comments Spread Sheet 
   
      
-  A WG motion was passed to start a 15-day recirculation ballot  
	
 March 2013 Goals 
   -  Complete omment resolution on draft D5.0.
   
-  Request 802 EC conditional approval for sponsor ballot
   
November 2012
 A 1-day TG ad hoc meeting was held in the San Jose with focus on LB190 comment resolution. The TG ad hoc meeting Agenda is available at  November 2012 ad hoc Meeting Agenda 
Achievements
 
 The TG meeting Agenda is available at  November 2012 Meeting Agenda 
The main achievements of this meeting were
  
    -  The TG continued the resolution of comments received on draft D4.0 (LB 190)
	
-  Draft D4.0 comment resolution spreadsheet is available at  LB 188 Comments Spread Sheet 
   
      
-  A TG ad hoc meeting is planned for January 10-11, 2013 (the week before the IEEE 802 Plenary meeting in Vancouver) in Santa Clara, hosted by Intel. To attend the ad hoc, please approve   epoll   
	
 January 2013 Goals 
   -  Complete omment resolution on draft D4.0.
   
-  Prepare draft D5.0 and proceed to WG recirculation ballot 
September 2012
 A 3-day TG ad hoc meeting was held in the San Diego with focus on LB188 comment resolution. The TG ad hoc meeting Agenda is available at  September 2012 ad hoc Meeting Agenda 
Achievements
 
 The TG meeting Agenda is available at  September 2012 Meeting Agenda 
The main achievements of this meeting were
  
    -  The TG completed the resolution of all comments received on draft D3.0 (LB 188)
    
-  A WG motion passed to prepare draft 4.0 and start a 15-day recirculation ballot. The ballot is expected to open around mid-october 2012.
	
-  Draft D3.0 comment resolution spreadsheet is available at  LB 188 Comments Spread Sheet 
   
      
-  A TG ad hoc meeting is planned for November 8-9, 2012 (the week before the IEEE 802 Plenary meeting in San Antonio) in San Jose, hosted by CIsco. To attend the ad hoc, please approve   epoll   
	
 November 2012 Goals 
   -  Comment resolution on draft D4.0. 
July 2012
 IEEE 802.11 WG Letter Ballot 188 (LB 188) passed with 90.6% yes votes.
 About 850 comments were received on draft D3.0, almost 550 of them are technical.
 A TG ad hoc meeting was held in the San Diego with focus on LB188 comment resolution. The TG ad hoc meeting Agenda is available at  July 2012 ad hoc Meeting Agenda 
Achievements
 
 The TG meeting Agenda is available at  July 2012 Meeting Agenda 
The main achievements of this meeting were
  
    -  The D3.0 comment resolution spreadsheet is available at  LB 188 Comments Spread Sheet 
   
    
-  The TG approved the resolutions of about 150 comments.
    
-  A TG ad hoc meeting is planned for September 12-14, 2012 (the week before the IEEE 802 Plenary meeting in Palm Springs) in San Diego. To attend the ad hoc, please approve   epoll   
	
 September 2012 Goals 
   -  Complete the resolution of LB 188 comments on draft D3.0.
   
-  Generate draft D4.0 and go for a WG recirculation ballot.
   
May 2012
 A TG ad hoc meeting was held in the Bay area with focus on LB187 comment resolution. The TG ad hoc meeting Agenda is available at  May 2012 ad hoc Meeting Agenda 
Achievements
 
 The TG meeting Agenda is available at  May 2012 Meeting Agenda 
The main achievements of this meeting were
  
    -  Completed the resolution of all comments received during LB 187 on draft D2.0. The D2.0 comment resolution spreadsheet is available at  Comments Spread Sheet 
   
    
-  A WG motion passed to prepare draft D3.0 and start a 20-day recirculation ballot.
    
-  A TG ad hoc meeting is planned for July 11-13, 2012 (the week before the IEEE 802 Plenary meeting in San Diego) in San Diego. To attend the ad hoc, please approve   epoll   
	
 July 2012 Goals 
   -  Work on the resolution of comments received on draft D3.0.
   
March 2012
Achievements
 WG Letter Ballot 187 (LB 187)on TGac draft D2.0 passed with 88.8%.
 1499 comments were received on draft D2.0.
 The TG meeting Agenda is available at  March 2012 Meeting Agenda 
The main achievements of this meeting were
  
    -  The focus of the meeting was on LB187 comment resolutions.
    
-  A totoal of 850 non-editorial comments are received. Resolutions to about 400 comments were approved during the meeting. The Editor Report at the start of the meeting is available at,  Editor Report .
    
-   Draft 2.0  is available in the member ares.
   
-  The D2.0 comment resolution spreadsheet is available at  Comments Spread Sheet 
    
-  A TG ad hoc meeting took place on March 7-9, in the Bay area. The agenda of the March ad hoc meeting is available at:  March 2012 Ad Hoc Meeting Agenda . The focus of the meeting was on comment resolution.
   
-  A TG ad hoc meeting is planned for May 9-11, 2012 (the week before the IEEE 802 Plenary meeting in Atlanta) in the Bay area.     
	
 May 2012 Goals 
   -  Complete the resolution of comments received on draft D2.0.
   
-  Prepar draft D3.0 and proceed to Recirculation ballot.
   
January 2012
Achievements
 TG Agenda is available at  January 2012 Agenda 
The main achievements of this meeting were
  
    -  Motions passed at both the TG and the WG to instruct the Editor to preapre draft D2.0 and to start a 30-day WG letter ballot.
    
-   Draft 2.0  is available in the member ares.
    
-  Ballot started on January 19, 2012 and closes on Febraury 18, 2012.
    
-  The D1.0 comment resolution spreadsheet is available at  Comments Spread Sheet 
    
-  A TG ad hoc meeting is planned for March 7-9, 2012 (the week before the IEEE 802 Plenary meeting in Hawaii) in the Bay area. To register for the meeting, please respond to the  epoll .
    
	
 March 2012 Goals 
   -  Resolve comments received on draft D2.0.
   
November 2011
Achievements
 TG Agenda is available at  November 2011 Agenda 
The main achievements of this meeting were
  
    -  Completed the resolution of all comments received on draft D1.0.
    
-  The D1.0 comment resolution spreadsheet is available at  Comments Spread Sheet 
    
-  A motion to procedd to working group letter ballot passed during the TG meetin (59/1/4). The same motion failed during the IEEE 802.11 WG closing plenary (33/12/9).
    
-  next opportunity to go to WG LB is on January 2012 during the Jacksonville meeting.
    
-  The IEEE 802.11 WG approved a TGac Ad Hoc meeting to be held in the Bay area on March 7-9, 2012. The purpose of the Ad Hc meetig is to advance work relted to TG activities.
	
 Jnauary 2012 Goals 
   -  Discuss any proposed changes to the TGac draft.
   
-  proceed to a 30-day WG letter ballot.
   
September 2011
Achievements
 Agenda is available at  September 2011 Agenda 
The main achievements of this meeting were
  
    -  Continued to work on the resolutions of comments received on D1.0.
    
-  Resolved all comments related to GCMP issue.
    
-  The D1.0 comment resolution spreadsheet is available at  Comments Spread Sheet 
	
 November 2011 Goals 
   -  Continue the work on the resolution of letter ballot (LB 178) comments.
   
July 2011
Achievements
 Agenda is available at  July 2011 Agenda 
The main achievements of this meeting were
  
    -  IEEE 802.11 WG LB 178 on TGac draft D1.0 has failed, 74%-26%
    
-  Comment resolution on Draft D1.0 has started.
    
-  The D1.0 comment resolution spreadsheet is available at  Comments Spread Sheet 
    
-  A Task Group Ad Hoc meeting will take place in Seoul, Korea during the period September 14-16 (the week before the IEEE 802.11 meeting in Okinawa).The purpose of the AD Hoc meeting is to speed up progress on comment resolution.
    
-  Table below summarizes the status of the comment resolution as of the close of the July 2011 WG meeting.
    |  | Resolved | Not Resolved | Duplicate | Total | 
    | MAC | 71 | 287 | 83 | 441 | 
    | PHY | 21 | 295 | 28 | 344 | 
    | MU-MIMO | 44 | 92 | 31 | 167 | 
    | COEX | 16 | 37 | 8 | 61 | 
    | General | 0 | 50 | 2 | 52 | 
    | Editorial | 134 | 522 | 97 | 753 | 
    | TOTAL | 286 | 1283 | 249 | 1818 | 
    
 September 2011 Goals 
   
 Work on the resolution of letter ballot comments.
   
May 2011
Achievements
 Agenda is available at  May 2011 Agenda 
The main achievements of this meeting were
  
    -  The TG finished resolving all comments on draft D0.1.
    
-  Motions passed in both the TG and the IEEE 802.11 WG to prepare draft D1.0 and start a 30-day WG letter ballot.
    
-  WG letter ballot is expcetd to start around May 27.
    
-  Conference calls are scheduled starting Thursday, June 30 to address letter ballot comments.
    
-  The D0.1 comment resolution spreadsheet is available at  Comments Spread Sheet 
 
  
 July 2011 Goals 
   -  Work on the resolutions of letter ballot comments.
   
March 2011
Achievements
 Agenda is available at  March 2011 Agenda 
The main achievements of this meeting were
  
    -  The TG focus was on Draft D0.1 comments resolution.
    
-  1814 comments were received. 1000 comments are editorial and 814 comments are technical.
    
-  Resolutions for 232 technical comments (28.5%) were approved.
    
-  The rest of the technical comments wll be resolved during weekly conference calls and an ad hoc meeting, May 3-5.
    
-  The comment resolution spreadsheet is available at  Comments Spread Sheet 
 
  
 May 2011 Goals 
   -  Complete draft D0.1 comments resolutions.
   
-  Generate draft D1.0 and go to WG Letter Ballot.
   
January 2011
Achievements
 Agenda is available at  January 2011 Agenda 
The main achievements of this meeting were
  
    -  The TG approved the first TG draft D0.1
    
-  Agreed to start an internal review period starting on January 28, 2011 and ends on February 27, 2011.
    
-  Motions passed to update the TG Sepcifcation Framework document.
    
-  The current approved revision of the Task Group Specification Framework is 
		 11-09-0992r21 
    
-  
  
March 2011 Goals 
   -  Resolve comments receievd as a result of D0.1 review
   
November 2010
Achievements
 Agenda is available at  November 2010 Agenda 
The main achievements of this meeting were
  
    -  Motions passed to update the TG Specification Framework in areas related to:
    
       -   MAC: 
           
		-  VHT Capability Element; 
            
-  VHT Operation Element;  
            
-  TXOP POwer Save; and
            
-  VHT Load Element 
 
-   PHY: 
          
            -  Spectral Mask for Non-Contiguous 160 MHz Transmission; 
            
-  Compressed V matrix feedback as the only feedback for SU and MU-MIMO, and the related VHT MIMO Control field;
            
-  160 MHz Stream Parser, 
            
-  LDP Coding; and
            
-  Enabling the beamformer to control the explicit feedback dimension for each user in MU-MIMO operation. 
 
-   Coexistence:  
          
            -  RTS/CTS for Wider Channels; and 
            
-  BW and Dynamic/Static operation indication. 
 
-   MU-MIMO:  
            
            -  Frame Format for Group ID Management. 
 
 
     
- The current approved revision of the Task Group Specification Framework is 
		 11-09-0992r18 
    
-  Submission 
		 11-10-1361r2  
		includes a proposal for the TGac draft amendmend.
  
January 2011 goals
   - Continue with Ad Hoc group meetings and straw polls
   
- Approve TGac Draft D0.1 and start TG review process
   
- Technical Presentations.
   
September 2010
Achievements
The main achievements of this meeting were
  
    -  Motions passed to update the TG Specification Framework in areas related to:
    
       - MAC: AID Selection, DL MU-MIMO TXOP Sharing,  A-MPDU Delimiter, Max MPDU/A-MPDU Sizes
       
- Explicit Sounding, Phase rotation, Spectral mask, BCC coding rates, NDP sounding, 160 MHz transmission flow,  support for channelization in China
       
- Coexistence: Medium access for wider BW, 160 MHz channelization.
       
- MU-MIMO: Sounding frame exchange protocol and formats, backoff procedure for MU-MIMO
       
 
- The current approved revision of the specification Framework is 09/0992r15
  
November 2010 goals
   - Continue with Ad Hoc group meetings and straw polls
   
- Update TG documents as needed.
   
- Technical Presentations.
   
July 2010
Achievements
The main achievements of this meeting were
  
    -  Motions passed to update the TG Specification Framework in areas related to:
    
       - Harmonized preamble structure that enables autodetection and spoofing, include VHT SIG A and SIG B fields, packet length indication and frame padding
       
- PHY motions related to 40/80/160 MHz transmission, 256 QAM mapping, etc
       
- Coexistence motions related to improved CCA, primary and secondary channels for 80 MHz, etc
       
 
- The current approved revision of the specification Framework is 09/0992r13
    
- Accepted a new revision of the TGac Functional Requirements and Evaluation Methodology, 09/0451r15
  
September 2010 goals
   - Continue with Ad Hoc group meetings and straw polls
   
- Update TG documents as needed.
   
- Technical Presentations.
   
May 2010
Achievements
The main achievements of this meeting were
  
    -  Motions passed to update the TG Specification Framework in areas related to:
    
       - MU-MIMO GroupID
       
- PHY-related motions on SU MCS, Subcarrier, Tone Allocation, P-Matrix, VHT SIG bit allocation, etc
       
- 160 MHz PHY transmission
       
 
- The current approved revision of the specification Framework is 09/0992r11
    
- Accepted a new revision of the TGac Functional Requirements and Evaluation Methodology
  
July 2010 goals
   - Continue with Ad Hoc group meetings and straw polls
   
- Update TG documents as needed.
   
- Technical Presentations.
   
March 2010
Achievements
The main achievements of this meeting were
  
    -  Motions passed to update the TG Specification Framework in areas related to:
    
       - Preamble structure with two VHT SIG fields and TBD auto detect form (R3.2.1.F and R3.2.1.G)
       
- PHY Numerology excluding the maximum number of users for MU (R3.2.2.A)
       
- Interference cancellation and Resolvable LTFs (R4.1)
       
- Same modulation the same coding rate and coding type for all streams in SU transmission (R3.4.D)
       
- VHT SIG A to include STBC and BW bit(s) (R3.2.1.H)
       
 
- Accepted a new revision of the TGac Channel Models Addendum document
    
- Accepted a new revision of the TGac Functional Requirements and Evaluation Methodology
  
May 2010 goals
   - Continue with Ad Hoc group meetings and straw polls
   
- Update TG documents as needed.
   
- Technical Presentations.
   
January 2010
Achievements
The main achievements of this meeting were
  
    -  Approved a set of rules for Ad Hoc groups operation (09-0059r5)
    
- Accepted a new revision of the TG Specification Framework document (09-0992r3) that includes a new MAC section
    
- Accepted a new revision of the TG Channel Models Addendum document (09-0381r10)
  
March 2010 goals
   - Continue with Ad Hoc group meetings and straw polls
   
- Update TG documents as needed.
   
- Technical Presentations.
   
November 2009
Achievements
The main achievements of this meeting were
  
    -  The selection of ad hoc group chairs is completed
    
      - PHY AD Hoc(Vinko Erceg, Minho Cheong, Raja Banerjea) 
      
- MAC (Matthew Fischer, Allan Zhu,  Jae Seung Lee)
      
- MU-MIMO (Brian Hart, Robert Stacey, Sameer Vermani)
      
- Coexistence (Youhan Kim, Eldad Perahia, Yasushi Takatori)
      
 
- The TG accepted a new revision of the Functional Requirements and Evaluation Methodology document (09/0451r8)
    
- The TG agreed on an initial guideline for Ad Hoc scope (09/1175r1)
    
- Ad Hoc groups conducted their first meetings with focus on procedure discussion
  
January 2010 goals
   - Continue with Ad Hoc group meetings and straw polls
   
- Update TG documents as needed.
   
- Technical Presentations.
   
September 2009
Achievements
The main achievements of this meeting were
  
    - A new revision of the TG Channel Models Addendum document was approved by the TG (09/0308r8)
    
      - Coherence time is set at 400 msec
      
- Added a new Appendix related to Matlab coding.
      
- Further consideration for mobile users is needed.
      
 
- A motion was passed to accept 09/992r2 as the starting point for TGac Specification Framework.
    
- Motion passed to add Enterprise scenario with OBSS to the Functional Requirements and Evaluation Methodology document
    
- Home scenario with OBSS was presented.
  
November 2009 goals
   - Update TG documents as needed.
   
- Technical Presentations.
   
-  Form Ad Hoc groups and chairs selection.
   
July 2009
Achievements
The main achievements of this meeting were
  
    - A new revision of the TG Channel Models Addendum document was approved by the TG (09/0308r6)
    
      - Consensus on the AoD and AoA ranges and distributions
      
- Need more work on Doppler model
      
 
- A motion passed to accept document 09/0451r7 as the baseline document. Future enhancements to Enterprise simulation scenarios are expected.
    
- TGaa presentation on progress related to OBSS issues
    
- Proposals to introduce changes to the TG selection procedure. The discussion will continue during September meeting.
  
September 2009 goals
   - Update TG documents as needed.
   
- Technical Presentations.
   
May 2009
Achievements
The main achievements of this meeting were
  
    - A motion was passed to accept 11-09-308r5 as the baseline document for TGac Channel models	
    
- Progress on the Functional Requirements discussion. The objective is to adapt functional requirements document during the July meeting.
    
- Channel models : More work is needed before agreeing on TGac channel models
    
- presentation on Specification Framework. Discussion will continue  on conference calls
  
July 2009 goals
   - Update TG documents as needed.
   
-  Approve the TG document on functional Requirements and Evaluation Methodology.
   
- Technical Presentations.
   
March 2009
Achievements
The main achievements of this meeting were
  
    - Elections of two Vice Chairs (Joonsuk Kim, Broadcom and Menzo Wentink, Qualcomm) 	
    
- Functional Requirements: Agreed to include simulation scenarios and comparison criteria in the functional Requirements document 
    
- Channel models : More work is needed before agreeing on TGac channel models
    
- Process and Selection Procedure: 09-059r4 as the TGac baseline document for the selection procedure
    
-  Usage models: 09-0161r2 as the TGac baseline document for usage models
  
May 2009 goals
   - Update TG documents as needed.
   
- Technical Presentations.
   
January 2009
Achievements
The main achievements of this meeting were
  - Updated TG documents based on submissions. 
  
    - Usage models: Submission 09/0161 describes Usage Models specific to TGac. The document is accepted as the TGac Usage Models baseline document  	
    
- Functional Requirements: Submission 09/0071 presented a set of questions related to TGac functional requirement 
    
- Channel models: Two submissions on Channel Models (09/0088 and 09/0179) were presented. The two presentations agreed on the use of the 802.11n channel models for TGac and incorporate changes as needed
    
- Process and Selection Procedure: Submission 09/0035r1 describes a proposed selection procedure
    
- Specification Framework:Submission 09/0086 provided an initial straw man to stimulate discussion
  
 March 2009 goals
 
   - Update the TG documents as needed.
   
- Technical Presentations.
   
 
 Novemeber 2008Achievements
 The main achievements of this meeting were
 
  - Agreed to a list of documents to guide the development of the specification. 
  
    - Usage models  	
    
- Functional Requirements 
    
- Channel models 
    
- Process and Selection Procedure 
    
- Specification Framework
  
 
- Completed the definition of the  
  TG timeline
  
 January 2009 goals
 
   - Develop internal timeline.
   
- Explore the format of the specification framework document taking into account 802.16m experience
   
 
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