IEEE P802.11- TASK GROUP AH - MEETING UPDATE


Status of Project IEEE 802.11ah

Sub 1GHz

Task Group Chair: Dave Halasz (Motorola Mobility)

Task Group Vice Chair: Yongho Seok (LG Electronics)

Task Group Editor: Minyoung Park (Intel)

Task Group Secretary: Joseph Teo Chee Ming (I2R)

 

Guiding Documents

Ad Hoc Group Chair

Document

Adopted a revision?

Specification Development Process

Dave Halasz (Motorola Mobility)

11/0239r02

Yes, R2 in March 2011

Use Cases

Stefan Aust (NEC)

11/0457r00

Yes, R0 in March 2011

Channel Models

Jim Lansford (CSR)

11/0968r01

11/0968r02

Yes, R1 in July 2011

R2 in Nov. 2011

Requirements

Minho Cheong (ETRI)

11/0905r03

11/0905r05

Yes, R3 in July 2011

R5 in Jan. 2012

Specification Framework

Minyoung Park (Intel)

11/1137r02

11/1137r03

11/1137r05

Yes, R2 in Sept. 2011

R3 in Nov. 2011

R5 in Jan. 2012

 

Timeline

 

IEEE 802.11ah PAR

 


January 2011, Jacksonville, FL, USA

Achievements

The main achievements of this meeting were to update the Specification framework and the Functional requirements and evaluation methodology documents. The timeline was extended by 4 months.

Approval of minutes

11/1594r00 November 2011 TGah meeting minutes

12/0049r00 January 9th teleconference minutes

11/1622r01 December 12th teleconference minutes

Specification Framework

11/1137r05 Specification framework

Specification Framework PHY submissions

12/0091r00 Frequency drift in repeated transmission schemes

11/1483r02 Preamble for 2mhz and beyond

11/1484r06 PHY transmission flow

12/0098r01 Single stream pilots

11/1482r04 Preamble format for 1 MHz

12/0109r00 Short ack

12/0103r00 Sequence detection for parallel acks

12/0113r00 32 FFT interleaver

12/0115r00 32 FFT STF LTF Sequences

12/0090r01 PHY characteristics

12/0101r00 On the suitability of repetition for P802.11ah

Specification Framework MAC submissions

12/0094r03 MAC header design for small data packet

12/0119r00 Early ack indication

12/0130r00 Beacon reception of long sleeper

12/0069r02 Consideration on max idle period extension for TGah power save

12/0117r00 TIM operation

12/0127r01 Low power medium access

12/0129r02 Short beacon

12/0102r02 Enhanced power save for large BSS

12/0104r01 Fragmentation with A-MPDU

12/0107r02 Channel bandwidth indication and negotiation

12/0116r00 Low collision EDCA

12/0110r03 Frame header compression

12/0028r01 Power saving possibilities for networks supporting a large number of STAs

12/0112r00 Supporting of the authentication association for large number of stations

Specification Framework Channelization submissions

12/0092r01 Proposed US channelization for P802.11ah

12/0108r00 Channelization considerations for smart grid

12/0111r01 Singapore sub 1 GHz frequency bands and channelization for P802.11ah

Functional Requirements and Evaluation Methodology

11/0905r05 Functional requirements and evaluation methodology

12/0148r01 Uplink throughput performance of P80211.ah networks under OBSS scenarios

Other

12/0097r10 January 2012 agenda

12/0163r00 January 2012 closing report

 

Teleconferences

February 13th at 10 AM ET US for 1 hour

March 5th at 7 PM ET US for 1 hour

Group desires to have a rolling teleconference call at Noon, 10 AM and 7 PM.

See telecons schedule on main IEEE 802.11 page for more details.

 

March 2012 goals

Make further progress on Specification Framework. Create Draft Text Ad Hoc Sub groups.

 

 


November 2011, Atlanta, GA, USA

Achievements

The main achievements of this meeting were to update the specification framework and channel model documents.

Approval of minutes

11/1358r00 September 2011 TGah meeting minutes

11/1438r00 October 31th teleconference minutes

11/1376r00 October 10th teleconference minutes

Channel model submissions

11/1263r03 STA-STA pathloss model

11/0968r02 Channel model text

Specification Framework submissions

11/1489r01 Green field 11ac packet for tgah

11/1490r01 Repetition schemes for tgah

11/1422r00 Channelization of Korea

11/1516r00 US 1MHz channelization for 802.11ah

11/1535r00 US Channelization

11/1571r01 US Channelization and bandwidth considerations for 802.11ah

11/1502r02 11ah plcp preamble design

11/1482r02 Preamble format for 1 MHz

11/1483r01 11ah preamble for 2 MHz and beyond

11/1484r01 11ah phy transmission flow

11/1515r01 802.11ah offloading considerations

11/1511r00 Fairness of DCF

11/1512r04 MAC considerations for 802.11ah

11/1513r00 Traffic model for 802.11ah

11/1503r02 Short beacon

11/1455r00 802.11ah network outdoor deployment issues

11/1536r01 Joint coding and modulation diversity for 802.11ah

11/1550r01 Extend AID and TIM in support of 6000 STAs in 802.11ah

11/1137r03 Specification framework for tgah

Other

11/1501r05 November agenda

11/1577r00 TGah closing report for november

11/0285r02 Timeline projection

 

Teleconferences

December 12th at 7 PM ET US for 1 hour

January 9th at noon ET US for 1 hour

Group desires to have a rolling teleconference call at Noon, 10 AM and 7 PM.

See telecons schedule on main IEEE 802.11 page for more details.

 

January 2012 goals

Make further progress on Specification Framework

 

 


September 2011, Okinawa, Japan

Achievements

The main achievements of this meeting were to adopt an initial specification framework document.

Approval of minutes

11/1098r00 July 2011 TGah meeting minutes

11/1141r00 August 22th teleconference minutes

11/1114r01 August 8th teleconference minutes

11/1226r00 September 12th teleconference minutes

Specification Framework submissions

11/1238r00 Channelization and bandwidth modes for 11ah

11/1175r03 11ah channelization discussion

11/1262r03 Performance analysis of China s1g spectrum

11/1294r00 Spec Framework text of 11ah bw modes

11/1296r03 Potential channelization for 11ah

11/1275r01 Spatial Stream Support in TGah specification

11/1311r00 Spec framework text for phy numerology

11/1318r00 Japanese channelization for 802-11ah

11/1320r01 11ah channelization of China

11/1329r01 Motions and sp on channelization for 11ah

11/1137r02 Specification framework for TGah

General

11/1230r00 802-11ah channel access improvement

11/1229r00 11ah m2m channel access performance

11/1255r00 DCF enhancements for large number of STAs

11/1254r00 Considerations on short packet transmission overhead

11/1205r01 Consideration on battery power alarm mechanism for IEEE 802-11ah framework

11/1204r01 Power saving mechanism consideration for 802-11ah framework

11/1248r00 Simulation study of the performance of dcf under heavy traffics for 802-11ah

11/1316r01 Considerations for 3g offloading use case

Functional Requirements and Evaluation Methodology

11/0905r04 TGah functional requirements and evaluation methodology

Other

11/1253r09 September 2011 agenda

11/1333r00 September closing report

11/0285r02 Timeline projection

 

Teleconferences

October 10th at noon Eastern US for 1.5 hours

October 31st at 10 AM ET US for 1.5 hours

Group desires to have a rolling teleconference call at Noon, 10 AM and 7 PM.

See telecons schedule on main IEEE 802.11 page for more details.

 

November 2011 goals

Make further progress on Specification Framework

 

 


July 2011, San Francisco, CA, USA

Achievements

The main achievements of this meeting were to 1) adopt an initial channel model document, 2) adopt an initial requirements and evaluation methodology document and 3) adopt some new leadership.

Officer elections

Joseph Teo Chee Ming: Task Group Secretary

Approval of minutes

11/0845 May meeting minutes

11/0978 July 11 teleconference minutes

11/0934 June 27 teleconference minutes

11/0895 June 20 teleconference minutes

Channel model submissions

11/0968 Channel model text

11/0960 Pathloss channel model considerations for 802.11ah

Functional Requirements and evaluation methodology

11/0905 Tgah functional requirements and evaluation methodology

11/0942 Discussion on 11ah peak throughput requirements

11/0957 S1G spectrum regulations in China

11/0972 More information on four Chinese bands

11/0974 Consultation summary of Japanese 920mhz band rules and conditions

11/0985 Performance evaluation of multiple stas authentication and association process

11/1019 Simulation large number of stas support

11/0973 Consideration of compatibility with 802.11v and 11k

Use cases

11/1033 Location

11/0971 Warning signal transmitting requirements in IEEE 802.11ah

11/0970 IEEE 802.11ah healthcare use cases

11/1011 Considerations on cellular traffic offloading use case in IEEE 802.11ah

11/1002 IPv6 for IEEE 802.11ah

Other

11/1006 July tgah agenda

11/1088 TGah July 2011 closing report

11/0285r01 Timeline Projection

 

Teleconferences

August 8th at 6:30 PM Eastern US for 1.5 hours

August 22nd at 6:30 PM Eastern US for 1.5 hours

September 12th at 6:30 PM Eastern US for 1.5 hours

See telecons schedule on main IEEE 802.11 page for more details.

 

September 2011 goals

Make progress on Specification Framework

 

 


May 2011, Palm Springs, CA, USA

Achievements

The main achievements of this meeting were to 1) continue work on channel models, 2) start work on requirements and evaluation methodology and 3) adopt some new leadership.

Officer elections

Yongho Seok: Task Group Vice Chair

Minyoung Park: Task Group Editor

Approval of minutes

11/0486 Singapore 2011 meeting minutes

11/0652 May 2nd teleconference minutes

11/0574 April 25th teleconference minutes

11/0570 April 18th teleconference minutes

11/0569 April 11th teleconference minutes

11/0520 April 4th teleconference minutes

11/0495 March 28th teleconference minutes

Channel model submissions

11/0760 TGah outdoor channel models revised text

11/0724 indoor channel model

11/0579 channel model text

Functional Requirements and evaluation methodology

11/0810 selection of key requirement elements for baseline fr em

11/0685 S1G spectrum regulations

11/0804 Functional Requirements for Installation and Deployment related

11/0747 Discussion review of TGah functional requirements and evaluation methodology

11/0726 Data Rate Requirements for WiFi offloading

11/0725 Large number of STAs support

11/0779 Device Collective to Share Resources

11/0762 Station Group Management for 802.11ah

11/0673 Consideration of power saving for TGah functional requirement

11/0672 Network management consideration for functional requirement

Use Cases

11/0568 Industrial Channels of Usecase 1d/2

11/0763 Traffic Information Dissemination Use Case

Specification Framework

11/0707 Overview on TGah spec framework development

PHY

11/0753 DFT spread OFDM optimized for 802.11ah

Other

11/0708 May Agenda

11/0809 TGah closing report

 

Teleconferences

June 20th at 6:30 PM Eastern US for 1.5 hours – Channel Models

June 27th at 6:30 PM Eastern US for 1.5 hours – Requirements

July 11th at 6:30 PM Eastern US for 1.5 hours - Requirements

See telecons schedule on main IEEE 802.11 page for more details.

 

July 2011 goals

Make progress on Channel Models Document and approve initial document

Make progress on Requirements document

Continue with technical contributions

 

 


March 2011, Singapore

Achievements

The main achievements of this meeting were to adopt a specification development process 11/239r2 and an initial use case document 11/457r0. The timeline projection was also updated per 11/285r0.

Officer elections

Minho Cheong: Requirements Ad Hoc Group Chair

Minyoung Park: Specification Framework Ad Hoc Group Chair

Approval of minutes

11/0207r01 January 2011 minutes

11/0353r00 March 7th teleconference minutes

11/0280r01 February 28th teleconference minutes

11/0269r00 February 21st teleconference minutes

11/0247r01 February 14th teleconference minutes

Selection Procedure submission

11/0239r02 Proposed selection procedure

Use Case submissions

11/0457r00 Potential compromise of 802.11ah use case document

11/0301r02 Categories of use cases and straw polls

11/0286r00 Categories of tgah use cases

11/0274r02 TGah list of use case submissions

11/0355r00 TGah sta analysis for smart grid use case

11/0323r00 Views on 802.11ah use cases

11/0299r00 TGah use cases summary and aggregated phy rates analysis

11/0341r02 Use cases discussion

11/0273r00 TGah use case ap power saving in smart grid

11/0268r00 Additional IEEE 802.11ah use cases

11/0260r01 TGah use case industrial process automation

11/0253r00 TGah use case outdoor environment monitoring

11/0244r01 TGah use case outdoor cellular traffic offloading

11/0243r01 TGah additional outdoor use case

11/0242r00 TGah use case temperature sensors

11/0241r00 Additional indoor use cases for 802.11ah

11/0017r05 Proposed IEEE 802.11ah use cases

11/0014r02 Supplemental use case in industrial infrastructural apps

Channel model submissions

11/0436r00 Path loss and delay spread models for 11ah

11/0361r00 indoor channel models for 802.11ah

11/0351r00 Reusing 11ah pathloss and delay spread models for 11ah

11/0272r00 Outdoor path loss models for 802.11ah

11/0261r00 Estimated delay spread in industrial plant

11/0251r00 Outdoor channel models for 802.11ah

10/1355r00 Fading on short range 900MHz

General

11/0350r00 Discussion on 11ah mac phy issues

Timeline

11/0285r00 Timeline projection

Other

11/0342r02 TGah March 2011 agenda

11/0460r00 March 2011 closing report

 

Teleconferences

March 29, April 4, 11, 18, 25 and May 2 at 9:30 PM Eastern US

See telecons schedule on main IEEE 802.11 page for more details.

 

May 2011 goals

Make progress on Channel Models Document. Stretch goal to adopt an initial document in May meeting.

Start on Requirements document and Specification Framework document

Continue with technical contributions

 

 


January 2011, Los Angeles, CA, USA

Achievements

The main achievements of this meeting were to make technical submissions and start a discussion on a list of documents to guide the development of the specification.

Officer elections

Wongyu Song: Task Group Editor

Stefan Aust: Use Cases Ad Hoc Group Chair

Jim Lansford: Channel Models Ad Hoc Group Chair

Dave Halasz: Specification Development Process Ad Hoc Group Chair

Approval of minutes,

10/1394 Dallas 2010 meeting minutes

10/1427 December 6 teleconference minutes

11/0022 January 10 teleconference minutes

Use case submissions,

11/0017 Proposed IEEE 802.11ah use cases

11/0014 Supplemental use cases in industrial infrastructural apps

Regulatory submissions,

10/1420 Coexistence in 950mhz-958mhz in Japan

Channel model submissions,

10/1313 Channel Modeling for 802.11ah

MAC submissions,

11/0060 Low power capability support for 802.11ah

11/0046 AP power saving

11/0088 Association id management

OFDM submissions,

11/0009 OFDM and MIMO changes for TGah

11/0062 Introductory submission for TGah

10/1305 802.15.4g OFDM mode overview

11/0035 Coverage extension for IEEE 802.11ah

11/0069 TGah introductory proposal

Process submissions,

11/0184 802.11ah Spec Development Discussion

This submission contains useful straw polls and a motion on process.

11/0190 TGah next steps

11/0198 Call for technical contributions

The purpose of this submission is to continue to call for submissions from March onward.

 

Other documents

11/0066 January agenda

11/0202 January 2011 closing report

 

Teleconferences

February 14, 21, 28 & March 7th at 10 PM Eastern US

See telecons schedule on main IEEE 802.11 page for more details.

 

March 2011 goals

 

Continue with sub groups,

Use cases

Channel models

Specification development process

Agree on other sub groups that should be formed

Continue with technical contributions

Revise timeline

 

 

 


November 2010, Dallas, TX, USA

Achievements

The main achievements of this meeting were,

Officer elections

Dave Halasz: TG Chair

Jae-Hyung Song: TG Secretary

OPEN: TG Editor

Some initial OFDM submissions were made,

802.15.4g OFDM

10/1305 802.15.4g OFDM mode overview

Re-banding and eight clocking

10/536 Clause17-2point5MHz

10/1314 Clause19 sub-10-MHz channel widths for S1G

Call for submissions made

10/1373 Call for proposals email

Initial submissions (overviews) due in January

Final submissions (draft text) due in March

 

Other documents

10/1298 TGah November Agenda

10/1374 TGah November Closing Report

 

January 2011 goals

 

Follow up on,

OFDM submissions, new and existing

10/1313 Channel Modeling for 802.11ah

10/1044 Use Cases

Regulatory follow up. For instance,

10/1206 Use of sub-GHz Frequencies in India

10/1217 FCC part 15 and Channel Widths

Any MAC changes needed? For instance,

10/1268 Low Power Consumption Opportunity in Sub 1 GHz

10/1299 Listen Interval Review

10/1326 BSS Max Idle Period and Sleep Interval

 


S1G SG - MEETING UPDATE


Status of S1G Study Group

Sub 1GHz

Dave Halasz, Chair


September 2010, Waikoloa, HI, USA

Achievements

The main achievements of this meeting were,

Prepared for first Task Group Meeting in November,

Use Case submission, 11-10-1044-00-0s1g-use-cases.pptx

Possible MAC areas submission, 11-10-1045-00-0s1g-possible-mac-changes.pptx

 

Nescom meets on September 29th. So S1G SG met as a Study Group during the IEEE 802.11 September meeting.

 

Documents

Meeting minutes 11-10-1135-01-0s1g-september-2010-meeting-minutes.doc

Closing Report 11-10-1147-00-0s1g-september-2010-closing-report.pptx

Agenda 11-10-1046-01-0s1g-s1g-sept-2010-agenda.pptx

 

 

November 2010 goals

 

Submissions for,

Use cases

Channel model

etc

Submissions for presentation and for draft text

 


July 2010, San Diego, CA, USA

Achievements

The main achievements of this meeting were,

Plenary Review occurred,

Comments received in submission 10/871

Responses in submission 10/878

Further comments, with responses, are in submission 10/924

Motion to approve PAR and 5 criteria contained in 10/0001r13 approved in IEEE 802.11 S1G Study Group passed Yes: 16, No: 0, Abstain: 1.

Motion to approve PAR and 5 criteria contained in 10/0001r13 approved in IEEE 802.11 Working Group passed Yes: 53, No: 0, Abstain: 1.

Motion to send PAR to NesCom contained in 10/0001r13 approved in IEEE 802 LMSC Executive Committee passed Yes: 9, No: 4, Abstain: 2.

 

Nescom meets on September 29th. So S1G SG will continue to meet as a Study Group during the IEEE 802.11 September meeting.

 

Documents

Meeting minutes 10/949

 

 

September 2010 goals

 

Prepare for first Task Group meeting in November.

Submissions for,

Use cases

Channel model

Possible MAC changes

etc

 


May 2010, Beijing, PRC

Achievements

The main achievements of this meeting were

Motion to approve PAR and 5 criteria contained in 10/0001r8 approved in IEEE 802.11 S1G Study Group passed Yes: 9, No: 0, Abstain: 1.

Motion to approve PAR and 5 criteria contained in 10/0001r8 approved in IEEE 802.11 Working Group passed Yes: 37, No: 0, Abstain: 1.

 

July 2010 goals

 

IEEE 802 EC approval process including Plenary Review

 


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