IEEE P802.11 - VHT SG - MEETING UPDATE


Status of Project IEEE 802.11 VHT Study Group

Very High Throughput


November 2008, Dallas, Texas

The VHT Study Group met four times during the week, Monday, November 10, 2008, 8:00-11:00, Tuesday, November 11, 2008, 16:00-18:00, Wednesday, November 12, 2008, 16:00-18:00, Thursday, November 13, 2008, 13:30-15:30.

 

  • The report is in 11-08/1287, the closing report is in 11-08/1421, and the minutes are in 11-08/1422
  • Minutes from 2008 conference calls, 11-08/225r15
  • VHT60 (VHT 60GHz) PAR Development
    1. EC report, Eldad Perahia, 08/0813r3
    2. Feedback received on PAR and response, Jon Rosdahl, 08/1367r0
    3. Update to PAR, 08/806r7
    4. PAR & response to feedback approved by SG & WG
  • Technical Contribution
    1. Designing for Coexistence, John Stine, 08/1306r0
  • Joint meeting w/ TGac
    1. Summary of 802.16m Development Process, Jose Puthenkulam, Vice Chair 802.16, 08/1394
    2. Inputs for a VHT Selection Procedure, Rolf De Vegt, 08/1392r0
    3. Introduction to VHT Usage Models, Rolf De Vegt, 08/1323r0
  • Timeline update - if PAR approved by EC& Nescom:

        TGad starts officially in January 2009

        Call for chair nominations and election would occur in January 2009 Proposal development

 

The goal for the January 2009 meeting for VHT60 is to officially start new task group TGad if EC & NesCom approve PAR.Chair nominations and election will be held.Work will start on TGad task group documents: selection procedure, usage model, etc…Technical contributions solicited.


September 2008, Waikoloa, Hawaii

The VHT Study Group met five times during the week, Monday, September 8, 2008, 13:30-15:30, Monday, September 8, 2008, 19:30-21:30, Tuesday, September 9, 2008, 8:00-10:00, Tuesday, September 9, 2008, 16:00-18:00, Thursday, September 11, 2008, 10:30-12:30.

 

  • The report is in 11-08/1036, the closing report is in 11-08/1171, and the minutes are in 11-08/1172
  • Minutes from 2008 conference calls, 11-08/225r8
  • VHT60 (VHT 60GHz) PAR Development
    1. Reviewed EC/802.15.3c/VHT60 PAR discussions between July – September
      1. Proposed Modifications to VHT60 PAR, Eldad Perahia, 11-08/988r4
    2. Updated PAR based on feedback
    3. Joint meeting with 802.15.3c
      1. 11-08/988r3
        1. Strawpoll: Are the proposed changes to 5.2 Scope “Provides mechanisms that enable coexistence with other systems in the band including IEEE 802.15.3c systems” acceptable? Yes: 85; No: 0; Abs: 2
      2. 60 GHz WLAN Experimental Investigations, Alexander Maltsev, 11-08/1044r0
      3. 60GHz Applications and Propagation Characteristics, Shu Kato, 15-08/651r1
    4. SG/WG motion on PAR (11-08/806r5) passed
  • VHTL6 (VHT less than 6 GHz)
    1. Review of Nescom feedback, 11-08/988r4
    2. VHTL6 task group work plan proposal, Marc de Courville, 11-08/1032
    3. Optimal CSD for Channel Estimation, Wahyul Amien Syafei, 11-08/1079r0
  • Proposal development
    1. Towards an Improved Proposal Development Process for VHT, Rolf De Vegt , 11-08/579

 

The goal for the November 2008 meeting for VHT60 is to update PARs & 5 C's based on EC and/or NesCom feedback if necessary.The new task group TGac (VHTL6) will begin at the November 2008 meeting with chair nominations and election and the start of developing task group documents.Technical contributions solicited for both groups.


July 2008, Denver, Colorado

The VHT Study Group met four times during the week, Monday, July 14, 2008, 8:00-11:00, Tuesday, July 15, 2008, 16:00-18:00, Wednesday, July 16, 2008, 8:00-10:00, Thursday, July 17, 2008, 10:30-12:30

 

  • The report is in 11-08/0815, the closing report is in 11-08/0920, and the minutes are in 11-08/0933
  • Minutes from 2008 conference calls, 11-08/225r8
  • Reviewed initial PAR feedback and prepared responses
    1. Feedback from individuals, 08/812r0, 08/855r0
    2. Feedback from 802.15.3c, 08/724r2
  • Reviewed Tutorials
    1. 60 GHz Tutorial, Eldad Perahia, 08/814r1
    2. <6 GHz Tutorial, Marc De Courville, 08/825r0
  • Joint meeting with 802.15 regarding 60 GHz
    1. 802.11 user experience, Gal Basson, 08/848r0
  • Reviewed official PAR feedback and prepared responses, 08/880r1
  • Based on feedback, updated PAR & 5C’s
    1. 60 GHz: 08/806r3
    2. <6 GHz: 08/807r3
  • Reviewed EC report, 08/813r1
  • Presentations
    1. Backward Compatible or Not?, Junghoon Jee, 08/790r0
    2. Channel Modeling for 60 GHz WLAN Systems, Alexander Maltsev, 08/0811r1
    3. Some Ambiguities about Throughput Conditions in PAR, Minho Cheong, 08/821r3
  • Approved PARs & feedback response motion in mid-week plenary
  • Executive Committee approved VHTL6 PAR, but did not approve VHT60 PAR

 

The goal for the September 2008 meeting is to update PARs & 5 C's based on feedback if necessary.Potentially split into 60 GHz group and <6 GHz group and begin process discussion and technical contributions.


May 2008, Jacksonville, Florida

The VHT Study Group met six times during the week, Monday, May 12, 2008, 10:30-12:30, Tuesday, May 13, 2008, 8:00-10:00, Tuesday, May 13, 2008, 16:00-18:00,Wednesday, May 14, 2008, 8:00-10:00, Thursday, May 15, 2008, 8:00-10:00, and Thursday, May 15, 2008, 10:30-12:30

 

  • The report is in 11-08/0518, the closing report is in 11-08/0693, and the minutes are in 11-08/0699
  • Minutes from 2008 conference calls, 11-08/225r6
  • <6 GHz PAR & 5C’s development
    1. Presentations
      1. VHTL6 Throughput Metric Thoughts, 11-08/0499r1, Darwin Engwer
      2. PHY and MAC Throughput Analysis with 80 MHz for VHT below 6 GHz, 11-08/0535r0, Minyoung Park
    2. PAR & 5C’s proposal discussion lead by Marc de Courville
      1. Below 6GHz 11vht PAR scope and purpose discussion, 11-08/464r4
      2. Proposal for PAR and 5 Criteria for Very High Throughput (VHT) SG for below 6 GHz, 11-08/609r3
  • 60 GHz PAR & 5C’s development

1.      Presentations

1.      Background Information on Amendment and Standard, 11-08/591r0, Eldad Perahia

2.      VHT 60 GHz Channel Model Recommendation, 11-08/632r0, Vinko Erceg

2.      PAR & 5C’s proposal discussion lead by Gal Basson

1.      Proposal for PAR and 5 Criteria for Very High Throughput (VHT) SG for 60 GHz, 11-08/223r5

  • Proposal process

1.      Towards an Improved Proposal Development Process for VHT, 08/579r0, Rolf De Vegt

  • At the Friday plenary, the working group approved both PARs

 

The goal for the July 2008 meeting is to update PARs & 5 C's based on feedback.

 


March 2008, Orlando, Florida

The VHT Study Group met three times during the week, Monday, March 17, 2008, Tuesday, March 18, 2008 and Wednesday, March, 19 2008.

 

  • The report is in 11-08/0321, the closing report is in 11-08/0413, and the minutes are in 11-08/0414
  • <6 GHz PAR & 5C’s development
    1. Presentations
      1. On the feasibility of 1Gbps for various MAC/PHY architectures, 11-08/0307r1, Roberta Fracchia
      2. Coexistence Mechanisms at 5 GHz, 11-08/0315r1, Brian Hart
    2. PAR & 5C’s proposal discussion lead by Marc de Courville
      1. 11-08/0219r4
      2. Discussion on scope regarding metric, target data rate, and exclusion of 2.4GHz
  • 60 GHz PAR & 5C’s development

3.      Presentations

3.      WLAN Overlay with 60 GHz Channels, 11-08/0364r1, John Barr

4.      Potential Benefits of Dual-radio VHT Systems, 11-08/0349r1, Harkirat Singh

4.      PAR & 5C’s proposal discussion lead by Gal Basson

1.      11-08/0223r1 & 11-08/0224r0

2.      Discussion on compatibility with 802.15.3c PHY, amendment versus new standard

  • WFA Liaison Report

2.      Wi-Fi Alliance (WFA) VHT Study Group Usage Models, 11-07-2988r4, presented by Rolf de Vegt

      • Final report refining categories, usage models, and prioritization of usage models

3.      Next step for VHT SG is to map usage models to <6 GHz and/or 60 GHz bands

 

The goal for the May 2008 meeting is to complete work on PARs & 5 C's.

 


January 2008, Taipei, Taiwan

The VHT Study Group met three times during the week, Monday, January 14, 2008, Tuesday, January 15, 2008 and Thursday January, 17 2008.

 

  • The report is in 11-08/0085, the closing report is in 11-08/0191, and the minutes are in 11-08/0199
  • Minutes from 2007 conference calls, 11-07/2016r1
  • Presentations
    1. Wi-Fi Alliance (WFA) VHT Study Group Usage Models, 11-07/2988r0, presented by Rolf De Vegt
    2. Legacy Coexistence – A Better Way?, 1107/3001r1, presented by Brian Hart
    3. Mobile cooperation usage models, 11-08/0081r2, presented by Marc De Courville
    4. VHT PAR Direction, 11-08/0130r0, presented by Gal Basson
    5. IMT.Advanced aligned scope proposal, 11-08/0121, presented by Marc De Courville
  • Decisions by SG, setting direction for PAR development
    1. Should the study group develop two PAR &5C’s one for <6GHz band and one for 57-62GHz band? Y/N/A: 29/4/19
    2. Should the study group specify limited usage models in a <6 GHz PAR and a 60 GHz PAR? Y/N/A: 39/1/19

5.      Next steps

1.      We have volunteers to craft initial language for PAR & 5C’s for <6GHz and volunteers to craft initial language for PAR & 5C’s for 60GHz.

2.      Discussion and editing of this will begin in conference calls

 

The goal for the March 2008 meeting is to continue the discussions and presentations related to the "call for submissions" and continue work on PARs & 5 C's.


November 2007, Atlanta, GA

The VHT Study Group met twice during the week, Monday November, 12, 2007 and Wednesday Nov, 14 2007.

  • The report is in 11-07/2715, the closing report is in 11-07/2904, and the minutes are in 11-07/2905
  • The meeting on Monday included six presentations:
        1. Wi-Fi Alliance (WFA) VHT Study Group Usage Models, 11-07/2792, presented by Rolf De Vegt, Qualcomm
        2. Multi-band Modulation, Coding, and Medium Access Control, 11-07/2780, presented by Robert Daniels, The University of Texas at Austin
        3. Per-User Data Rate, Band and Bandwidth Options for VHT, 11-07/2605, presented by Jason Trachewsky, Broadcom
        4. Efficiency of VoIP on 802.11n, 11-07/2704, presented by Darwin Engwer, Nortel Networks
        5. 60 GHz vs. 5 GHz Propagation Discussion, 11-07/2793, presented by Vinko Erceg, Broadcom
        6. What Is Happening In 60 GHz, 11-07/2790, presented by Sheung Li, SiBEAM
  • The meeting on Wednesday included four presentations:
        1. How should we manage the process for the proposed VHT activity?, 11-07/2863, presented by Andrew Myles, Cisco Systems
        2. Performance Comparison of Dynamic OFDM with 802.11n, 11-07/2860, presented by James Gross, Technical University Berlin
        3. VHT Possibilities, 11-07/2886, presented by Darwin Engwer, Nortel Networks
        4. VHT in Below 6 GHz Frequency Bands, 11-07/2861, presented by Vinko Erceg, Broadcom
  • Decision was made to begin working on the PAR & 5 C's in January

The goal for the January 2008 meeting is to continue the discussions and presentations related to the "call for submissions" and begin work on PAR & 5 C's.


September 2007, Waikoloa, HI

The VHT Study Group met twice during the week, Monday September-17-2007 and Thursday September-20-2007.

  • The report is in 11-07/2378r2, the closing report is in 11-07/2610r1, and the minutes are in 11-07/2479r0
  • The meeting on Monday included three presentations:
        1. Proposed ITU/WRC Spectrum And Usage Allocation For Terahertz Frequencies -- submission 11-07/2359r1 by David Britz, AT&T
        2. Analysis on IEEE 802.11n MAC Efficiency -- submission 11-07/2431r0 by Minyoung Park, Intel Corporation
        3. Review of TGnís Usage Models -- submission 11-07/2371r0 by Eldad Perahia, Intel Corporation
  • The meeting on Thursday included three presentations:
        1. IMT-Advanced Status Report -- submission 11-07/2500r0 by Darwin Engwer, Nortel Networks
        2. VHT Applications -- submission 11-07/2587r0 by Gal Basson, Wilocity
        3. Probing the will of the SG -- submission 11-07/2472r0 by Marc de Courville, Motorola
  • Decision was made to begin working on the PAR & 5 C's in November

The goal for the November 2007 meeting is to continue the discussions and presentations with emphasis on usage scenarios and feasibility and begin working on the PAR & 5 C's.


July 2007, San Francisco, CA

The VHT Study Group met twice during the week, Monday July-16-2007 and Tuesday July-17-2007.

  • The closing report is in 11-07/2273r0, and the minutes are in 11-07/2254r1
  • The meeting on Monday included three presentations:
        1. Giga-bit WLAN: Areas with Potential for Breakthrough -- submission 11-07/2113r3 by Amir K. Khandani, University of Waterloo
        2. Extreme Bandwidth - Wireless Area Networks Utilizing Terahertz Frequencies -- submission 11-07/2068r0 by David Britz, AT&T Labs
        3. Dynamic Multi-user OFDM for 802.11 systems -- submission 11-07/2062r1 by Marc Emmelmann, Technical University Berlin
  • The meeting on Tuesday included three presentations:
        1. Another resource to exploit: multi-user diversity -- submission 11-07/2187r0 by Marc de Courville, Motorola
        2. WLAN Evolution (VHT) Targets and focus areas -- submission 11-07/2194r0 by Naveen K. Kakani, Nokia
        3. IMT-Advanced Status Report -- submission 11-07/2140r3 by Bruce Kraemer, Marvell
  • Decision was made to target March 21, 2008 for WG & EC approval of PAR & 5Cís

The goal for the September 2007 meeting is to continue the discussions and presentations with emphasis on usage scenarios and feasibility.


May 2007, Montreal, Quebec

The VHT Study Group met twice during the week, Monday May-14-2007 and Tuesday May-15-2007 at the Fairmont The Queen Elizabeth Hotel in Montreal, Quebec.

  • The closing report is in 11-07/0819r0, and the minutes are in 11-07/0722r2
  • The meeting on Monday included three presentations:
        1. Study Group Approach Proposal -- submission 07/0649r0 by John Barr, Motorola
        2. Thoughts on VHT -- submission 07/0661r0 by Eldad Perahia, Intel Corporation
        3. VHT Considerations-- submission 07/0621r0 by Marc de Courville, Motorola
  • The meeting on Tuesday was used for study group chair election and presentations. Eldad Perahia was selected as the recommendation to the Working Group for VHT Study Group chair, which was accepted on Friday in the plenary by the Working Group. Three presentations were given on Tuesday:
        1. VHT Study Group Thoughts -- submission 07/0724r1 by Dengwen Zhu/Darwin Engwer, Nortel
        2. Draft PAR and 5 Criteria -- submission 07/0574r1 by Dengwen Zhu/Darwin Engwer, Nortel
        3. Getting Sense What VHT_SG Wants -- submission 07/760r0 by Rakesh Taori, Samsung

The goal for the July 2007 802 meeting is to continue the discussions and presentations related to creating a VHT SG PAR/5C document.


USEFUL LINKS TO OTHER SITES:

IEEE P802.11 WLANs RELATED

OTHER SITES


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