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TGax January 2015 Meeting Agenda

TGax January 2015 Meeting Agenda. Authors:. Date: 2014-12-03. IEEE 802.11 TGax: High Efficiency WLAN Task Group. Atlanta, USA January 11-16, 2015 Chair: Osama Aboul-Magd (Huawei Technologies) Vice Chair: Simone Merlin (Qualcomm) Vice Chair: Ron Porat (Broadcom)

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TGax January 2015 Meeting Agenda

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  1. TGax January 2015 Meeting Agenda Authors: Date: 2014-12-03 Osama Aboul-Magd (Huawei Technologies)

  2. IEEE 802.11 TGax:High Efficiency WLANTask Group Atlanta, USA January 11-16, 2015 Chair: Osama Aboul-Magd (Huawei Technologies) Vice Chair: Simone Merlin (Qualcomm) Vice Chair: Ron Porat (Broadcom) Secretary: Yasuhiko Inoue (NTT) Technical Editor: Robert Stacey (Intel) Osama Aboul-Magd (Huawei Technologies)

  3. Meeting Protocol Please announce your affiliation when you first address the group during a meeting slot Slide 3 Osama Aboul-Magd (Huawei Technologies)

  4. Attendance https://murphy.events.ieee.org/imat/attendance/index Register Indicate attendance See document 11-09-0517r0 for more details Slide 4 Osama Aboul-Magd (Huawei Technologies)

  5. Attendance, Voting & Document Status Make sure your badges are correct If you plan to make a submission be sure it does not contain company logos or advertising Questions on Voting status, Ballot pool, Access to Reflector, Documentation, member’s area see Jon Rosdahl – jrosdahl@ieee.org Cell Phones Silent or Off Slide 5 Osama Aboul-Magd (Huawei Technologies)

  6. Patent Policy • Following 5 slides Osama Aboul-Magd (Huawei Technologies)

  7. The IEEE-SA strongly recommends that at each WG meeting the chair or a designee: Show slides #1 through #4 of this presentation Advise the WG attendees that: The IEEE’s patent policy is consistent with the ANSI patent policy and is described in Clause 6 of the IEEE-SA Standards Board Bylaws; Early identification of patent claims which may be essential for the use of standards under development is strongly encouraged; There may be Essential Patent Claims of which the IEEE is not aware. Additionally, neither the IEEE, the WG, nor the WG chair can ensure the accuracy or completeness of any assurance or whether any such assurance is, in fact, of a Patent Claim that is essential for the use of the standard under development. Instruct the WG Secretary to record in the minutes of the relevant WG meeting: That the foregoing information was provided and that slides 1 through 4 (and this slide 0, if applicable) were shown; That the chair or designee provided an opportunity for participants to identify patent claim(s)/patent application claim(s) and/or the holder of patent claim(s)/patent application claim(s) of which the participant is personally aware and that may be essential for the use of that standard Any responses that were given, specifically the patent claim(s)/patent application claim(s) and/or the holder of the patent claim(s)/patent application claim(s) that were identified (if any) and by whom. The WG Chair shall ensure that a request is made to any identified holders of potential essential patent claim(s) to complete and submit a Letter of Assurance. It is recommended that the WG chair review the guidance in IEEE-SA Standards Board Operations Manual 6.3.5 and in FAQs 12 and 12a on inclusion of potential Essential Patent Claims by incorporation or by reference. Note: WG includes Working Groups, Task Groups, and other standards-developing committees with a PAR approved by the IEEE-SA Standards Board. Instructions for the WG Chair (Optional to be shown) Osama Aboul-Magd (Huawei Technologies)

  8. Participants, Patents, and Duty to Inform • All participants in this meeting have certain obligations under the IEEE-SA Patent Policy. Participants: • “Shall inform the IEEE (or cause the IEEE to be informed)” of the identity of each “holder of any potential Essential Patent Claims of which they are personally aware” if the claims are owned or controlled by the participant or the entity the participant is from, employed by, or otherwise represents • “Personal awareness” means that the participant “is personally aware that the holder may have a potential Essential Patent Claim,” even if the participant is not personally aware of the specific patents orpatent claims • “Should inform the IEEE (or cause the IEEE to be informed)” of the identity of “any other holders of such potential Essential Patent Claims” (that is, third parties that are not affiliated with the participant, with the participant’s employer, or with anyone else that the participant is from or otherwise represents) • The above does not apply if the patentclaim is already the subject of an Accepted Letter of Assurance that applies to the proposed standard(s) under consideration by this group • Quoted text excerpted from IEEE-SA Standards Board Bylaws subclause 6.2 • Early identification of holders of potential Essential Patent Claims is strongly encouraged • No duty to perform a patent search Slide #1 Osama Aboul-Magd (Huawei Technologies)

  9. All participants should be familiar with their obligations under the IEEE-SA Policies & Procedures for standards development. Patent Policy is stated in these sources: IEEE-SA Standards Boards Bylaws http://standards.ieee.org/guides/bylaws/sect6-7.html#6 IEEE-SA Standards Board Operations Manual http://standards.ieee.org/guides/opman/sect6.html#6.3 Material about the patent policy is available at http://standards.ieee.org/board/pat/pat-material.html Patent Related Links If you have questions, contact the IEEE-SA Standards Board Patent Committee Administrator at patcom@ieee.org or visit http://standards.ieee.org/board/pat/index.html This slide set is available at http://standards.ieee.org/board/pat/pat-slideset.ppt Slide #2 Osama Aboul-Magd (Huawei Technologies)

  10. If anyone in this meeting is personally aware of the holder of any patent claims that are potentially essential to implementation of the proposed standard(s) under consideration by this group and that are not already the subject of an Accepted Letter of Assurance: Either speak up now or Provide the chair of this group with the identity of the holder(s) of any and all such claims as soon as possible or Cause an LOA to be submitted Call for Potentially Essential Patents Slide #3 Osama Aboul-Magd (Huawei Technologies)

  11. Other Guidelines for IEEE WG Meetings • All IEEE-SA standards meetings shall be conducted in compliance with all applicable laws, including antitrust and competition laws. • Don’t discuss the interpretation, validity, or essentiality of patents/patent claims. • Don’t discuss specific license rates, terms, or conditions. • Relative costs, including licensing costs of essential patent claims, of different technical approaches may be discussed in standards development meetings. • Technical considerations remain primary focus • Don’t discuss or engage in the fixing of product prices, allocation of customers, or division of sales markets. • Don’t discuss the status or substance of ongoing or threatened litigation. • Don’t be silent if inappropriate topics are discussed … do formally object. • --------------------------------------------------------------- • See IEEE-SA Standards Board Operations Manual, clause 5.3.10 and “Promoting Competition and Innovation: What You Need to Know about the IEEE Standards Association's Antitrust and Competition Policy” for more details. Slide #4 Osama Aboul-Magd (Huawei Technologies)

  12. Agenda Items for the Week • Approval of meeting and telecon minutes since November 2014. • Elect Chairs for the four ad hoc groups (MAC, PHY, MU, Spatial Reuse). • Agree on rules for the operation of the ad hoc groups. • Continue to advance TG documents. • https://mentor.ieee.org/802.11/dcn/14/11-14-0571-06-00ax-evaluation-methodology.docx • https://mentor.ieee.org/802.11/dcn/14/11-14-0980-05-00ax-simulation-scenarios.docx • https://mentor.ieee.org/802.11/dcn/14/11-14-0882-04-00ax-tgax-channel-model-document.docx • https://mentor.ieee.org/802.11/dcn/14/11-14-1009-02-00ax-proposed-802-11ax-functional-requirements.doc • https://mentor.ieee.org/802.11/dcn/14/11-14-1453-02-00ax-spec-framework-proposal.docx • Technical Presentations. • Schedule Telecon times. Osama Aboul-Magd (Huawei Technologies)

  13. Monday January 12 , 10:30 – 12:30 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Review from November 2014 meeting Call for submissions Agenda setting and approval TG Motions Presentations Recess Monday January 12, 13:30 – 15:30 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations Recess Monday January 12, 19:30 – 21:30 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations Recess Tuesday January 13, 10:30 – 12:30 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations Recess Tuesday January 13, 13:30 – 15:30 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations Recess Wednesday January 14 , 08:00 – 10:00 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations Recess Wednesday January 14 , 13:30 – 15:30 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations Recess Thursday January 15, 08:00 – 10:00 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations Recess Thursday January 15, 13:30 – 15:30 Call Meeting to order IEEE 802 and 802.11 IPR Policy and procedure. Presentations TG Motions Goals for September 2014 Telecons Schedule Adjourn General Flow of the Meeting Osama Aboul-Magd (Huawei Technologies)

  14. TGax Schedule in a Glance Osama Aboul-Magd (Huawei Technologies)

  15. Agenda for Monday January 12 , 10:30 – 12:30 • Call meeting to order • Patent policy, etc. • Call for submissions • Set and approve agenda • Summary from November 2014 meeting • SG motions • Approve TG meeting and Telecon minutes since September meeting. • Status of the specification Framework document (??) • Presentations • 11-15/0075, “Operation Rules for TGax Ad Hoc Groups”, Osama Aboul-Magd • Recess Osama Aboul-Magd (Huawei Technologies)

  16. Submissions Osama Aboul-Magd (Huawei Technologies)

  17. DSC and CCA Osama Aboul-Magd (Huawei Technologies)

  18. OFDMA Osama Aboul-Magd (Huawei Technologies)

  19. MU Osama Aboul-Magd (Huawei Technologies)

  20. MAC Osama Aboul-Magd (Huawei Technologies)

  21. PHY Osama Aboul-Magd (Huawei Technologies)

  22. Simulation Scenarios and Osama Aboul-Magd (Huawei Technologies)

  23. Summary from November 2014 Meeting • Approved the first revision of the TG Specification Framework document • Motion passed to form 4 ad hoc groups • MAC • PHY • MU • Spatial Reuse • Motion passed to have 3 chairs per ad hoc group • Agreed to conduct the ad hoc chairs election on Tuesday • Call for nomination was sent on the TG reflector • List of Nominee – see the next slide • Generated new revisions of the TG Simulation Scenarios and Evaluation Methodology documents Osama Aboul-Magd (Huawei Technologies)

  24. List of Nominees • Elections are on Tuesday (tomorrow) • First Ad Hoc group meetings are scheduled during March 2015 meeting in Berlin. Osama Aboul-Magd (Huawei Technologies)

  25. Changing TG Documents • Any change to any of the TG documents must be approved by a TG motion with approval ratio of at least 75% • A motion affecting the TG specification Framework shall be of the form • Move to add to the TG specification framework • x.y.z [feature description] Osama Aboul-Magd (Huawei Technologies)

  26. Approval of TG Minutes (November 2014 Meeting and Telecon Minutes) • Approve TGax minutes of meetings and teleconferences from November 2014 plenary meeting to today: • https://mentor.ieee.org/802.11/dcn/14/11-14-1460-00-00ax-tgax-november-2014-san-antonio-meeting-minutes.docx • https://mentor.ieee.org/802.11/dcn/14/11-14-1581-01-00ax-tgax-teleconference-minutes-2014-12-04.docx • Move: Al Petrick Second: Stuart Kerry • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

  27. Motion • Move to accept changes in document 11-15/0078r0 and include them in the TG Simulation Scenarios document 11-14/0980r5 • Motion is deferred. Osama Aboul-Magd (Huawei Technologies)

  28. Agenda for Monday January 12, 13:30 – 15:30 • Call Meeting to order • IEEE 802 and 802.11 IPR Policy and procedure. • Presentations • 11-15/0025, “DSC and Roaming” Graham Smith (SR Technologies) • 11-15/0027, “Simulation Based Evaluation DSC in residential scenario”, M. Shahwaiz Afaqui (UPC) • 11-15/0045, “Performance Analysis of BSS Color and DSC”, Masahito Mori (Sony) • 11-15/0050, “Modeling components impacting throughput gain from CCAT adjustment”, Yu Wang (Ericsson AB) • 11-15/0085, “Legacy Fairness Issues of Enhanced CCA”, John Son (WILUS Institute) • Recess Osama Aboul-Magd (Huawei Technologies)

  29. Agenda for Monday January 12, 19:30 – 21:30 • Call Meeting to order • IEEE 802 and 802.11 IPR Policy and procedure. • Presentations • Simulation Scenarios, Evaluation Methodology, and Calibration • Recess Osama Aboul-Magd (Huawei Technologies)

  30. Agenda for Tuesday January 13, 10:30 – 12:30 • Call Meeting to order • IEEE 802 and 802.11 IPR Policy and procedure. • Presentations • Selection of Ad Hoc groups Chairs • Straw Poll (11-14/1433) • PHY submissions • Recess Osama Aboul-Magd (Huawei Technologies)

  31. Agenda for Tuesday January 13, 13:30 – 15:30 • Call Meeting to order • IEEE 802 and 802.11 IPR Policy and procedure. • Presentations • The rest of the PHY submissions • PHY Motions • Recess Osama Aboul-Magd (Huawei Technologies)

  32. PHY Motion #1 • Move to add to the TG Specification Framework: –   3.y.z.  Data symbols in an HE PPDU shall use DFT period of 12.8 us and subcarrier spacing of 78.125 kHz. • Move: Sriram Second: Peter Loc • Y/N/A: 61/17/22 • Motion passes Osama Aboul-Magd (Huawei Technologies)

  33. PHY Motion #2 • Move to add to the TG Specification Framework: –3.y.z.  Data symbols in an HE PPDU shall support guard interval durations of 0.8 us, 1.6 us and 3.2 us. • Move: Sriram Second: Kaushik • Y/N/A: 66/0/38 • Motion passes Osama Aboul-Magd (Huawei Technologies)

  34. PHY Motion #3 • Move to add to TG Specification Framework x.y.z An HE PPDU shall include the legacy preamble (L-STF, L-LTF and L-SIG), duplicated on each 20 MHz, for backward compatibility with legacy devices. Move: Jiayin Second: Wookbong Y/N/A: 83/0/10 Motion passes Osama Aboul-Magd (Huawei Technologies)

  35. PHY Motion #4 • Move to add to the TG Specification Framework: x.y.z HE-SIG-A (using DFT period of 3.2 us and subcarrier spacing of 312.5 kHz) is duplicated on each 20MHz after the legacy preamble to indicate common control information. Move: Jiayin Second: Wookbong Y/N/A: 66/0/35 Motion passes Osama Aboul-Magd (Huawei Technologies)

  36. Agenda for Wednesday January 14, 08:00 – 10:00 • Call Meeting to order • IEEE 802 and 802.11 IPR Policy and procedure. • Presentations. • Continue with the remaining submissions • OFDMA • MU • MAC • Recess Osama Aboul-Magd (Huawei Technologies)

  37. Agenda for Wednesday January 14, 13:30 – 15:30 • Call Meeting to order • IEEE 802 and 802.11 IPR Policy and procedure. • Presentations • Continue with remaining presentations • 11-15/0086 Uplink MU Transmission and Legacy Coexistence • 11-15/0046 11aa GCR-BA Performance in OBSS • 11-15/0059 Uplink RTS/CTS Control • 11-15/0040 Discussion on integrated UL-DL MU-MIMO-MAC • SFD Motions • Recess Osama Aboul-Magd (Huawei Technologies)

  38. OFDMA Motion #1 • Move to add to the TG Specification Framework: x.y.z AP shall provide a mechanism to control UL OFDMA initiation. Move: Woojin Ahn Second: Jinsoo Ahn Y/N/A: 17/12/59 Motion fails • SP result: 9/0/many Osama Aboul-Magd (Huawei Technologies)

  39. Amended Motion • Move to change the original motion to: • Move to add to the TG Specification Framework: x.y.z AP shall provide a mechanism to control UL OFDMA initiation: Move: Stuart Kerry Second: Bo Sun Passed with no objection Osama Aboul-Magd (Huawei Technologies)

  40. OFDMA Motion #2 • Move to add to the TG Specification Framework: x.y.z UL OFDMA uplink channels shall be allocated considering STAs’ channel status Move: Woojin Ahn Second: Jinsoo Ahn Y/N/A: 7/41/16 Motion fails • SP results: 8/1/many Osama Aboul-Magd (Huawei Technologies)

  41. MU Motion #1 • Move to include in the specification framework a mechanism by which DL BA/ACKs, in responses to UL MU transmission, are multiplexed • eg. DL MU-MIMO, DL-OFDMA, single PSDU • Move: Tomoko Adachi Second: Stuart Kerry • Y/N/A • SP result: 60/1/51 Osama Aboul-Magd (Huawei Technologies)

  42. Agenda for Thursday January 15, 08:00 – 10:00 • Call Meeting to order • IEEE 802 and 802.11 IPR Policy and procedure. • Presentations • Jarrko’s presentation • Simulation scenarios motions • Yunchun • Allan • Guoqing • Yukun • Jiyong • SFD Motions • 11-15/0179 • Conference Calls Schedule • Adjourn Osama Aboul-Magd (Huawei Technologies)

  43. Motion • Move to include changes in document 11-15/0172r1 into the TG Simulation Scenarios document (11-14/0980r5) • Move: LanZhou Second: Jarkko • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

  44. Motion • Move to include changes in document 11-15/0061r6 into the TG Simulation Scenarios document (11-14/0980r5) • Move: Allan Jones Second: Lei Wang • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

  45. Motion • Move to include changes in document 11-15/0078r2 into the TG Simulation Scenarios document (11-14/0980r5) • Move: Guoqing Li Second: Brian Hart • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

  46. Motion • Move to include changes in document 11-15/0093r4 into the TG Evaluation Methodology document (11-14/0571r6) • Move: Yukun Sun Second: Lei Wang • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

  47. Motion to Amend • Move to amend MU Motion #1 to: • Move to add to the TG Specification Framework document • X.y.z The amendment shall define a mechanism for multiplexing DL acknowledgments sent in response to UL MU Transmissions • Move: Tomoko Second: Guido • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

  48. MU Motion #1 • Move to add to the TG Specification Framework document • X.y.z The amendment shall define a mechanism for multiplexing DL acknowledgments sent in response to UL MU Transmissions • Move: Tomoko Adachi Second: Stuart Kerry • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

  49. MAC Motion #1 • Move to add to the Spec Framework • X.y.z. The amendment shall define a mechanism to allow the AP to configure the use of RTS/CTS initiated by non-AP STA • Move: Sigurd Second: Guido • Y/N/A: 28/6/25 • Motion passes Osama Aboul-Magd (Huawei Technologies)

  50. Simulation Scenarios • Move to accept document 11-14/980r6 as the new revision of the TG Simulation Scenarios document • Move: Simone Merlin Second: Allan Jones • Accepted with no objection Osama Aboul-Magd (Huawei Technologies)

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