VHT SG Report to EC Date: 2008-11-14 Authors: November 2008 April 2007 doc.: IEEE 802.11-07/0570r0 November 2008 VHT SG Report to EC Date: 2008-11-14 Authors: Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Overview Initial presentation to the EC in July 2008 April 2007 doc.: IEEE 802.11-07/0570r0 November 2008 Overview Initial presentation to the EC in July 2008 11-08-813-01 Details here in provide an update to the VHT60 PAR since the EC meeting in July 2008 in Denver Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

November 2008 Summary of Updates Several joint calls/meetings with 802.15.3c since July Strong support for new coexistence wording based on strawpoll (85-0-2) in joint meeting between VHT60 and 802.15.3c, Monday Sept 8th Key updates made to four sections since July: 5.2 PAR Scope – new coexistence wording 7.1 – reference 802.15.3c and ECMA TC48 17.5.4.1 – definition for coexistence and environment 8.1 - addition of response to 802.3 comment to add PICS statement Next four slides show these changes in red No objections raised in subsequent EC call on Oct 24 or on reflector This resolves all concerns of 802.15.3c, WGs, and EC members to date Link to PAR and 5Cs https://mentor.ieee.org/802.11/file/08/11-08-0806-07-0vht-60-ghz-par-nescom-form-plus-5cs.doc Eldad Perahia, Intel Corporation

November 2008 Update to PAR Scope 5.2 Scope of Proposed Standard: This amendment defines standardized modifications to both the 802.11 physical layers (PHY) and the 802.11 Medium Access Control Layer (MAC) to enable operation in the 60 GHz frequency band (typically 57-66 GHz) capable of very high throughput. The MAC and PHY specified in this amendment: Enables a maximum throughput of at least 1 Gbps, as measured at the MAC data service access point (SAP) Enables fast session transfer between PHYs Maintains the 802.11 user experience Provides mechanisms that enable coexistence with other systems in the band including IEEE 802.15.3c systems Eldad Perahia, Intel Corporation

November 2008 Update to 7.1 7.1 Are there other standards or projects with a similar scope? Yes Explanation: There are 60 GHz PHY projects in 802.15.3c and ECMA TC48 Sponsor Organization: IEEE 802 Project/Standard Number: IEEE 802.15.3c Project/Standard Date: 2009-09-30 (projected date) Project/Standard Title: Part 15.3: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for High Rate Wireless Personal Area Networks (WPANs): Amendment 2: Millimeter-wave based Alternative Physical Layer Extension Sponsor Organization: ECMA Project/Standard Number: TC48 60 GHz Project/Standard Date: 2008-12-31 (projected date) Project/Standard Title: PHY and MAC layers for 60 GHz wireless network Eldad Perahia, Intel Corporation

November 2008 Update to 17.5.4.1 17.5.4.1 Coexistence of 802 wireless standards specifying devices for unlicensed operation The working group will create a CA document as part of the WG balloting process. The definition for coexistence is as defined in 802.15.2, with the shared environment being the 60 GHz band in home and enterprise. Eldad Perahia, Intel Corporation

Update to 8.1 8.1 Additional Explanatory Notes: November 2008 Update to 8.1 8.1 Additional Explanatory Notes: 1.1) this is an amendment to the then current revision of the IEEE standard 802.11, which will include a PICS proforma Eldad Perahia, Intel Corporation

Detailed History since July EC Meeting November 2008 Detailed History since July EC Meeting Eldad Perahia, Intel Corporation

Update Since July EC meeting November 2008 Update Since July EC meeting Bruce Kraemer, Bob Heile, Paul Nikolich and Steve Shellhammer held a conference call on July 24 Joint conference call with 802.15.3c on Aug 20 to discuss VHT60 PAR VHT60 conference call on Aug 21 to discuss outcome of joint call EC call on VHT60 on Sept 3 VHT60 and joint meetings with 802.15.3c in September in Waikoloa EC call on Oct 24 to discuss VHT60 Eldad Perahia, Intel Corporation

EC Discussion following July Denver EC meeting November 2008 EC Discussion following July Denver EC meeting http://grouper.ieee.org/groups/802/secmail/msg11073.html Bruce Kraemer, Bob Heile, Paul Nikolich and Steve Shellhammer held a conference call on July 24 to discuss a path forward for the 802.11 VHT60 PAR Proposed modifications to VHT60 PAR A stronger declaration of coexistence with 802.15.3c in the Scope of the PAR. Possible wording that could be used is the wording used in the motion to amend during the closing EC meeting, Replace the text "Addresses coexistence with other wireless systems" with the text "Ensure coexistence with IEEE 802.15.3c.“ Adding a definition of coexistence in the Additional Notes section. One possible definition is the definition in 802.15.2, which was approved by both the 802.11 and 802.15 working groups. Adding 802.15.3c and ECMA TC48 to section 7.1 (Projects will similar scope) of the PAR http://grouper.ieee.org/groups/802/secmail/msg11085.html “It has been brought up by several people that the term "ensure" is almost a synonym for "guarantee" which was not the intention.” New VHT60 scope wording proposal by Steve Shellhammer Supports mechanisms to enable coexistence with IEEE 802.15.3c Eldad Perahia, Intel Corporation

Review of VHT60 Aug 20 joint conference call with 802.15.3c November 2008 Review of VHT60 Aug 20 joint conference call with 802.15.3c Discussion on replacing coexistence scope statement with “Supports mechanisms to enable coexistence with IEEE 802.15.3c and with other systems in the band” Several proposed permutations of wording Added 802.15.3c and ECMA TC48 to Section 7.1 (Are there other standards or projects with a similar scope?) Eldad Perahia, Intel Corporation

Review of VHT60 Aug 21 conference call November 2008 Review of VHT60 Aug 21 conference call Reviewed all proposed permutations of coexistence scope statement from Aug 20 joint conference call with 802.15.3c Ran electronic strawpolls (results in brackets, 20 participants total) SP1 Preferred wording for coexistence in VHT60 PAR scope, choose one or more Addresses coexistence with other systems in the band (5) Ensure coexistence with IEEE 802.15.3c (1) Supports mechanisms to enable coexistence with IEEE 802.15.3c and with other systems in the band (7) Includes mandatory mechanisms to enable coexistence with IEEE 802.15.3c and with other systems in the band (11) Provides mechanisms to enable coexistence with IEEE 802.15.3c and with other systems in the band (12) Mandates mechanisms to enable coexistence with IEEE 802.15.3c and with other systems in the band (7) SP2 Should similar coexistence language be added to the 802.15.3c PAR scope? Yes (17) No (1) Abs (2) Eldad Perahia, Intel Corporation

Review of Sept 3 EC call on VHT60 November 2008 Review of Sept 3 EC call on VHT60 Discussion items New scope wording based on VHT60 straw poll option with most vote “Provides mechanisms to enable coexistence with IEEE 802.15.3c and with other systems in the band” 802.19 chair was supportive No objections were raised to the wording by EC members on the call Adding symmetrical coexistence wording to 802.15.3c PAR Objection from one member of 802.15 Timeline of 802.15.3c raised as concern If recirculation letter ballot goes well, could go to sponsor ballot in November Definition of coexistence EC suggested including in PAR (common) 802 definition for coexistence Could use 802.15.2 definition, “The ability of one system to perform a task in a given shared environment where other systems have an ability to perform their tasks and may or may not be using the same set of rules.” Reference definition in VHT60 PAR Description of “shared environment” High level definition of shared environment requested Would be used in order to determine whether coexistence was achieved Discussion on level of detail necessary in a PAR/5C’s VHT60 should add description of environment in 5C’s New work items for VHT60 Description of environment Slide 13 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

VHT60 meeting, Monday Sept 8th 13:30 – 15:30 November 2008 VHT60 meeting, Monday Sept 8th 13:30 – 15:30 Discussion on modifications to PAR Strawpoll scope coexistence statement (choose one or more) The MAC and PHY specified in this amendment: Provides mechanisms to enable coexistence with IEEE 802.15.3c and with other systems in the band (0) Provides mechanisms that enable coexistence with IEEE 802.15.3c and with other systems in the band (0) Provides mechanisms that enable coexistence with other systems in the band including IEEE 802.15.3c systems (24) Eldad Perahia, Intel Corporation

Further Coexistence modifications November 2008 Further Coexistence modifications Modify 17.5.4.1 (Coexistence of 802 wireless standards specifying devices for unlicensed operation) Reference 802.15.2 definition: “The ability of one system to perform a task in a given shared environment where other systems have an ability to perform their tasks and may or may not be using the same set of rules.” Environment description: 60 GHz band in home and enterprise Proposal: 17.5.4.1 Coexistence of 802 wireless standards specifying devices for unlicensed operation The working group will create a CA document as part of the WG balloting process. The definition for coexistence is as defined in 802.15.2, with the environment being 60 GHz band in home and enterprise Eldad Perahia, Intel Corporation

Joint meeting with 802.15.3c, Monday Sept 8th 19:30 – 21:30 November 2008 Joint meeting with 802.15.3c, Monday Sept 8th 19:30 – 21:30 Discussion Steve Shellhammer – perhaps change 17.5.4.1 from “environment” to “shared environment” James Gilb – change 802.15.3c date in 7.1 to Sept 2009 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: 2 138 people in the room at time of strawpoll Eldad Perahia, Intel Corporation

November 2008 EC call on October 24 No objections or issues raised regarding VHT60 PAR in 08/806r6 Eldad Perahia, Intel Corporation

PAR Changes due to Feedback on PAR on Nov 11 November 2008 PAR Changes due to Feedback on PAR on Nov 11 Feedback Received on 802.11ad PAR from 802.3: It is noted that IEEE Std 802.11 includes PICS proforma, and believed that these have consistently been included with the initial addition of functionality to the base standard.  The WG is asked to consider including a commitment to provide PICS on enhancements such as this within the project documents. Response: 802.11 has included a statement into 8.1. We have added to the end of the last sentence : …which will include a PICS proforma. Eldad Perahia, Intel Corporation