March 2011 doc.: IEEE 802.11-11/0280r0
IEEE P802.11
Wireless LANs
Date: 2011-03-02
Author(s):
Name / Affiliation / Address / Phone / email
Dave Halasz / Aclara / 2315 W. 9th Street Austin, TX 78703 / +1-330-283-2715 /
February 28, 2011 (Monday) PM 10:00 – 11:00, ET
Notes – Monday, February 28th, 2011;
1. Dave Halasz (representing Aclara) is the chair of the TGah and was running this session. Chair called meeting to order: 10:00 pm, ET.
2. Secretary: Dave Halasz (Aclara).
3. Administrative items
3.1. Chair Halasz reviewed the administrative items and presented the links for accessing the related documents.
3.2. Chair Halasz reviewed the patent policy and meeting guideline. Chair asked: “Are there any questions?” None heard.
3.3. Chair Halasz asked: “Are there any patent claim(s)/patent application claim(s) and/or the holder of patent claim(s)/patent application claim(s) that the participant believes may be essential for the use of that standard?” None heard.
3.4. Chair Halasz reviewed other guide lines of the IEEE WG meetings.
4. The proposed agenda of the teleconference, which was circulated through the TGah email reflector, was reviewed. The agenda contained:
4.1. IPR and other relevant IEEE policies
4.2. Review proposed agenda
4.3. Channel model discussion (led by Jim Lansford, CSR)
4.4. Selection procedure proposal discussion (led by Dave Halasz, Aclara)
4.5. Use cases discussion (led by Stefan Aust, NEC)
The proposed agenda was approved by unanimous consent.
5. Channel model discussion led by Jim Lansford
5.1. Shusaku Shimada, Yokogawa Company - https://mentor.ieee.org/802.11/dcn/11/11-11-0261-00-00ah-estimated-delay-spread-in-industrial-plant.ppt
5.1.1. Discussion on the submission
5.1.1.1. This is for petro chemical plant
5.1.1.2. Q: Which band are you considering?
5.1.1.3. A: 950 MHz
5.1.1.4. Q: Preso from Ron had 2 uS. Why larger?
5.1.1.5. A: Urban has more dense structures. Industrial has larger structures.
5.2. Ron Porat, Broadcom - https://mentor.ieee.org/802.11/dcn/11/11-11-0272-00-00ah-outdoor-path-loss-models-for-802-11ah.ppt
5.2.1. Discussion moved to the 802.11ah mailer due to lack of time.
6. Selection procedure proposal discussion led by Dave Halasz
6.1. https://mentor.ieee.org/802.11/dcn/11/11-11-0239-02-00ah-proposed-selection-procedure.docx
6.1.1. Review edits on section 6 of rev 2
6.1.1.1. Allow Draft text sub groups to be formed before Usage models, Requirements, Specification framework and channel models documents are approved by the task group.
6.1.1.2. Add section 6.g to not allow task group adoption of draft text until these documents are approved by the task group.
6.1.2. Resume review. Any other edits?
6.1.3. Went through quickly. Encouraged people to make comments via the .11ah mailer.
6.1.4. Will illicit a motion in March face to face mtg
7. Use cases discussion led by Stefan Aust (NEC)
7.1. Discussion on the Use Cases
7.1.1. Wongyu Song, LG Electronics - https://mentor.ieee.org/802.11/dcn/11/11-11-0253-00-00ah-tgah-use-case-outdoor-environment-monitoring.ppt
7.1.1.1. Discussion on submission
7.1.1.1.1. Q: Datarate, is this per sta?
7.1.1.1.2. A: Aggregate
7.1.1.1.3. Water, Gas & Electric part of AMI. Slide 3 mentions water.
7.1.1.1.4. Different, water level
7.1.2. Mitsura Iawoka, Yokogawa Company - https://mentor.ieee.org/802.11/dcn/11/11-11-0260-01-00ah-tgah-use-case-industrial-process-automation.ppt
7.1.2.1. Discussion on submission
7.1.2.1.1. Q: Distance 2km, question about PAR
7.1.2.1.2. Showed PAR. Doesn’t appear to be an issue.
7.1.2.1.3. A: Some industrial plants are large
7.1.2.1.4. Q: 1 Mbps aggregated data rate. Doesn’t match traffic type. Wouldn’t the data rate need to go up?
7.1.2.1.5. Q: 15.4g to 11ah in slide 4. Any latency issue?
7.1.2.1.6. A: Don’t understand. Encourage asking question via mailer.
7.1.3. Ping Fang, Huawei - https://mentor.ieee.org/802.11/dcn/11/11-11-0268-00-00ah-additional-ieee-802-11ah-use-cases.ppt
7.1.3.1. Due to lack of time, suggested questions be sent to the .11ah mailer
7.2. Closing comments
7.2.1. If want attendance recoreded send Dave Halasz an email
7.2.2. Would like to use next teleconference to prepare for face to face meeting
7.2.3. Went over todo list quickly
7.2.3.1. March face-to-face prep discussion
7.2.3.2. Future Teleconferences. Ok to use weekly Monday 10 PM ET?
7.2.3.3. Timeline discussion
7.2.3.4. Provided selection procedure 11/239 passes, do we want a sub group chair for Requirements document and Specification framework document?
7.2.3.5. Discuss plans for Use case document activity
7.2.3.6. Use cases
7.2.3.6.1. Stefan Aust, NEC - https://mentor.ieee.org/802.11/dcn/11/11-11-0017-05-00ah-proposed-ieee-802-11ah-use-cases.ppt
7.2.3.6.2. Stefan Aust, NEC - https://mentor.ieee.org/802.11/dcn/11/11-11-0273-00-00ah-tgah-use-case-ap-power-saving-in-smart-grid.ppt
7.2.3.6.2.1.1. Stefan Aust, NEC - https://mentor.ieee.org/802.11/dcn/11/11-11-0274-01-00ah-tgah-list-of-use-case-submissions.doc
8. Next meetings
8.1. March 7th, 10:00 PM ~ 11:00PM, EST; Teleconference
8.2. March 13th ~ March 18th; IEEE 802 Plenary Session, Singapore
9. Attendance list
Dave Halasz – Aclara (Chair, Selection procedure ad-hoc chair)
Wongyu Song – LG Electronics (Technical Editor)
Jim Lansford – CSR (Channel model ad-hoc chair)
Stefan Aust – NEC Communication systems (Usage model ad-hoc chair)
Ping Fang – Huawei Technologies
Minho Cheong – ETRI
Minyoung Park – Intel
Julan Hsu – Samsung Electronics
Dalton Victor – Silver Spring Networks
Jorjeta Jetcheva – Itron
Matthew Fischer - Broadcom
Minutes page 1 Dave Halasz, OakTree Wireless