VHT SG January 2008 Report Date: Authors: January 2008

VHT SG January 2008 Report Date: 2008-01-14 Authors: January 2008
April 2007 doc.: IEEE /0570r0 January 2008 VHT SG January 2008 Report Date: Authors: Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Patent Policy Following 5 slides January 2008 April 2007
doc.: IEEE /0570r0 January 2008 Patent Policy Following 5 slides Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 Highlights of the IEEE-SA Standards Board Bylaws on Patents in Standards Participants have a duty to tell the IEEE if they know (based on personal awareness) of potentially Essential Patent Claims they or their employer own Participants are encouraged to tell the IEEE if they know of potentially Essential Patent Claims owned by others This encouragement is particularly strong as the third party may not be a participant in the standards process Working Group required to request assurance Early assurance is encouraged Terms of assurance shall be either: Reasonable and nondiscriminatory, with or without monetary compensation; or, A statement of non-assertion of patent rights Assurances Shall be provided on the IEEE-SA Standards Board approved LOA form May optionally include not-to-exceed rates, terms, and conditions Shall not be circumvented through sale or transfer of patents Shall be brought to the attention of any future assignees or transferees Shall apply to Affiliates unless explicitly excluded Are irrevocable once submitted and accepted Shall be supplemented if Submitter becomes aware of other potential Essential Patent Claims A “Blanket Letter of Assurance” may be provided at the option of the patent holder A patent holder has no duty to perform a patent search Full policy available at 1 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

IEEE-SA Standards Board Bylaws on Patents in Standards
April 2007 doc.: IEEE /0570r0 January 2008 IEEE-SA Standards Board Bylaws on Patents in Standards 6.2 Policy IEEE standards may be drafted in terms that include the use of Essential Patent Claims. If the IEEE receives notice that a [Proposed] IEEE Standard may require the use of a potential Essential Patent Claim, the IEEE shall request licensing assurance, on the IEEE Standards Board approved Letter of Assurance form, from the patent holder or patent applicant. The IEEE shall request this assurance without coercion. The Submitter of the Letter of Assurance may, after Reasonable and Good Faith Inquiry, indicate it is not aware of any Patent Claims that the Submitter may own, control, or have the ability to license that might be or become Essential Patent Claims. If the patent holder or patent applicant provides an assurance, it should do so as soon as reasonably feasible in the standards development process. This assurance shall be provided prior to the Standards Board’s approval of the standard. This assurance shall be provided prior to a reaffirmation if the IEEE receives notice of a potential Essential Patent Claim after the standard’s approval or a prior reaffirmation. An asserted potential Essential Patent Claim for which an assurance cannot be obtained (e.g., a Letter of Assurance is not provided or the Letter of Assurance indicates that assurance is not being provided) shall be referred to the Patent Committee. A Letter of Assurance shall be either: a) A general disclaimer to the effect that the Submitter without conditions will not enforce any present or future Essential Patent Claims against any person or entity making, using, selling, offering to sell, importing, distributing, or implementing a compliant implementation of the standard; or b) A statement that a license for a compliant implementation of the standard will be made available to an unrestricted number of applicants on a worldwide basis without compensation or under reasonable rates, with reasonable terms and conditions that are demonstrably free of any unfair discrimination. At its sole option, the Submitter may provide with its assurance any of the following: (i) a not-to-exceed license fee or rate commitment, (ii) a sample license agreement, or (iii) one or more material licensing terms. 2 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 IEEE-SA Standards Board Bylaws on Patents in Standards Copies of an Accepted LOA may be provided to the working group, but shall not be discussed, at any standards working group meeting. The Submitter and all Affiliates (other than those Affiliates excluded in a Letter of Assurance) shall not assign or otherwise transfer any rights in any Essential Patent Claims that are the subject of such Letter of Assurance that they hold, control, or have the ability to license with the intent of circumventing or negating any of the representations and commitments made in such Letter of Assurance. The Submitter of a Letter of Assurance shall agree (a) to provide notice of a Letter of Assurance either through a Statement of Encumbrance or by binding any assignee or transferee to the terms of such Letter of Assurance; and (b) to require its assignee or transferee to (i) agree to similarly provide such notice and (ii) to bind its assignees or transferees to agree to provide such notice as described in (a) and (b). This assurance shall apply to the Submitter and its Affiliates except those Affiliates the Submitter specifically excludes on the relevant Letter of Assurance. If, after providing a Letter of Assurance to the IEEE, the Submitter becomes aware of additional Patent Claim(s) not already covered by an existing Letter of Assurance that are owned, controlled, or licensable by the Submitter that may be or become Essential Patent Claim(s) for the same IEEE Standard but are not the subject of an existing Letter of Assurance, then such Submitter shall submit a Letter of Assurance stating its position regarding enforcement or licensing of such Patent Claims. For the purposes of this commitment, the Submitter is deemed to be aware if any of the following individuals who are from, employed by, or otherwise represent the Submitter have personal knowledge of additional potential Essential Patent Claims, owned or controlled by the Submitter, related to a [Proposed] IEEE Standard and not already the subject of a previously submitted Letter of Assurance: (a) past or present participants in the development of the [Proposed] IEEE Standard, or (b) the individual executing the previously submitted Letter of Assurance. 3 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 IEEE-SA Standards Board Bylaws on Patents in Standards The assurance is irrevocable once submitted and accepted and shall apply, at a minimum, from the date of the standard's approval to the date of the standard's withdrawal. The IEEE is not responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiries into the legal validity or scope of those Patent Claims, or for determining whether any licensing terms or conditions are reasonable or non-discriminatory. Nothing in this policy shall be interpreted as giving rise to a duty to conduct a patent search. No license is implied by the submission of a Letter of Assurance. In order for IEEE’s patent policy to function efficiently, individuals participating in the standards development process: (a) shall inform the IEEE (or cause the IEEE to be informed) of the holder of any potential Essential Patent Claims of which they are personally aware and that are not already the subject of an existing Letter of Assurance, owned or controlled by the participant or the entity the participant is from, employed by, or otherwise represents; and (b) should inform the IEEE (or cause the IEEE to be informed) of any other holders of such potential Essential Patent Claims that are not already the subject of an existing Letter of Assurance. 4 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Other Guidelines for IEEE WG Meetings
April 2007 doc.: IEEE /0570r0 January 2008 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 fixing product prices, allocation of customers, or dividing 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. If you have questions, contact the IEEE-SA Standards Board Patent Committee Administrator at or visit See IEEE-SA Standards Board Operations Manual, clause and “Promoting Competition and Innovation: What You Need to Know about the IEEE Standards Association's Antitrust and Competition Policy” for more details. This slide set is available at 5 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Further Information January 2008 April 2007
doc.: IEEE /0570r0 January 2008 Further Information IEEE Code of Ethics IEEE-SA Affiliation FAQ IEEE-SA Antitrust & Competition Policy IEEE-SA LETTER OF ASSURANCE (LOA) FORM IEEE-SA STANDARDS BOARD PATENT COMMITTEE (PATCOM) INFORMATION IEEE-SA PATENT FAQ IEEE 802 LAN / MAN STANDARDS COMMITTEE (LMSC) POLICIES & PROCEDURES IEEE WLANS WORKING GROUP POLICIES & PROCEDURES Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 Essential Patents 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 this standard? Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Agenda January 2008 Monday January 14, 10:30 – 12:30
April 2007 doc.: IEEE /0570r0 January 2008 Agenda Monday January 14, 10:30 – 12:30 Patent policy, etc. Set agenda Review from November Discussion of timeline Call for submissions Presentations PAR & 5C’s Tuesday January 15th, 16:00 – 18:00 Reaffirm agenda Thursday January 17th, 10:30 – 12:30 9:30am Review time line Goals for March Set up conference calls Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Review from November January 2008 Presentations Goals for January
April 2007 doc.: IEEE /0570r0 January 2008 Review from November Presentations Wi-Fi Alliance (WFA) VHT Study Group Usage Models, 11-07/2792, presented by Rolf De Vegt 60 GHz related Per-User Data Rate, Band and Bandwidth Options for VHT, 11-07/2605, presented by Jason Trachewsky 60 GHz vs. 5 GHz Propagation Discussion, 11-07/2793, presented by Vinko Erceg What Is Happening In 60 GHz, 11-07/2790, presented by Sheung Li Multi-band Modulation, Coding, and Medium Access Control, 11-07/2780, presented by Robert Daniels Efficiency of VoIP on n, 11-07/2704, presented by Darwin Engwer How should we manage the process for the proposed VHT activity?, 11-07/2863, presented by Andrew Myles Performance Comparison of Dynamic OFDM with n, 11-07/2860, presented by James Gross VHT Possibilities, 11-07/2886, presented by Darwin Engwer VHT in Below 6 GHz Frequency Bands, 11-07/2861, presented by Vinko Erceg Goals for January WFA update on use cases Start work on PAR & 5 C’s Decisions about operating band Decisions about # of PAR’s Discussion on process/ selection procedure Darwin’s PAR submission range Feasibility Amendment vs. new standard IMT-Advanced update Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Time Line January 2008 May 2007 (Interim) July 2007 (Plenary)
April 2007 doc.: IEEE /0570r0 January 2008 Time Line May 2007 (Interim) Initial meeting July 2007 (Plenary) Presentations WG approval of SG extension to Nov Sept 2007 (Interim) Nov 2007 (Plenary) SG motion for extension to March Jan 2008 (Interim) Initial version of PAR & 5 C’s Mar 2008 (Plenary) Presentations Work on PAR & 5 C’s SG/WG/EC motion for extension to July Create presentation for EC May 2008 (Interim) final version of PAR & 5 C’s WG approval July 2008 (Plenary) EC approval on July 18 VHT TG unofficially begins Aug 2008 NesCom submission by Aug 8 Sept 2008 (Interim) NesCom meeting on Sept 17 VHT meets as ad hoc? Nov 2008 (Plenary) Task Group officially starts Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 Call for Submissions Information on following subjects will assist us in creating a PAR and 5 Criteria: Market needs, applications, usage scenarios Technology & feasibility MAC efficiency evaluation and enhancements, including evaluation of 11n MAC with higher PHY rates PHY enhancements to 11n new MAC & PHY technology Requirements metrics (i.e. throughput, network capacity, spectral efficiency, range) coexistence / interoperability Spectrum availability & regulatory options relationship with IMT-Advanced Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Submissions Update of WFA presentation on use cases, 20 min
April 2007 doc.: IEEE /0570r0 January 2008 Submissions Update of WFA presentation on use cases, 20 min liaison-from-wi-fi-alliance-to regarding-wfa-vht-study-group-consolidation-of-usage-models.ppt Brian Hart, 30 min vht-legacy-coexistence-a-better-way.ppt Marc De Courville, 20 min vht-mobile-cooperation.ppt IMT-Advanced (maybe) Peter E. (Tues), 10 min Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Presentations for Monday January 14
April 2007 doc.: IEEE /0570r0 January 2008 Presentations for Monday January 14 Update of WFA presentation on use cases, 20 min liaison-from-wi-fi-alliance-to regarding-wfa-vht-study-group-consolidation-of-usage-models.ppt Brian Hart, 30 min vht-legacy-coexistence-a-better-way.ppt Marc De Courville, 20 min vht-mobile-cooperation.ppt Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Minutes for Monday January 14
April 2007 doc.: IEEE /0570r0 January 2008 Minutes for Monday January 14 07/2988 John Barr What was meant by usage model 1a, use case 3? Rolf: Need to fix grammar Matt & George: what’s the 150Mbps standard? Rolf: Lightly compressed HD John Barr: taking a HDMI output, lightly compressing prior to going over the air Michael Lipshitz: 10-6 PER will give an error every 10 secs John Barr: regarding usage model 4b (bridging) is typically deployed with other technology like Rolf: is frequency used for bridging John Barr: in usage model 6, question the coupling data rate and delay Rolf: will take this up in WFA Mathilde: Will MAC developments be allowed Eldad: Yes if the SG crafts the Scope to allow MAC enhancements in the TG Bruce: Prioritized list will help focus work (# of end uses of usage model, timeline required by usage model) Are the highlighted models the highest priority? Rolf: no, just example Darwin: large number of usage models, IEEE can map solutions to usage models Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Minutes for Monday January 14, continued
April 2007 doc.: IEEE /0570r0 January 2008 Minutes for Monday January 14, continued 08/0081 George: advocating fragmentation with complete preamble for each fragment, or going towards H-ARQ? Marc: aggregation scheme of frames Padam: more information on cooperative cluster Marc: in broadcast, same content shared between terminals Rolf: practical use case mentioned was broadcast, any other Marc: web browsing, with different content, terminals help each other out Bruce: splitting projects between IMT-Advanced type usages and wireless HD usages Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 Minutes for Monday January 14, continued 07/3001 Marc: what is the recommendation to VHT? Brian: if someone else is transmitting, you shouldn’t be transmitting over it. Coexistence at 5 GHz should be a requirement Allert: supports CCA, some questions regarding sims Include filtering? Yes Average length? 31 tap, 80 MHz wide At the TX and RX Filter at RX, IFFT at TX Need to reconsider the CCA requirements, since current is written based on preamble detect Darwin: its really mid-frame, rather than Eldad: would you like to see coex in scope? Yes if there was a list of requirements in Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 Minutes for Monday January 14, continued Straw poll Yes: 39; No: 0; Abs: 7 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Agenda for Tuesday January 15
April 2007 doc.: IEEE /0570r0 January 2008 Agenda for Tuesday January 15 Reaffirm agenda Presentations Gal, vht-vht-par-direction.ppt Marc, vht-imtadv-scope-proposal.ppt Development of PAR & 5C’s Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Presentations for Tuesday January 15
April 2007 doc.: IEEE /0570r0 January 2008 Presentations for Tuesday January 15 Gal, vht-vht-par-direction.ppt Marc, vht-imtadv-scope-proposal.ppt Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Minutes for Tuesday January 15
April 2007 doc.: IEEE /0570r0 January 2008 Minutes for Tuesday January 15 Marc – goal seems to be cable replacement, how is it differentiated from 15.3c 11abg is also cable replacement, 15.3c is PAN, this will be LAN standard Peter – what is anticipated range at 60 GHz? The range will be shorter, but we can enable better range with beamforming and rate downscaling Darwin – VHT in 2.4/5/60 or product with 2.4/5 11n with 60 GHz VHT VHT part is 60 GHz Doug – rate shifting? Product supports 3 bands, the product can rate shift between 60 GHz higher rates and over to 2.4/5 for lower rates Peter – do you need different antennas for 2.4/5 & 60? Yes Marc – 60 GHz won’t improve user experience over the whole BSS Eldad – slide 10 would be a purpose/par? Metric is PHY rate? Coexistence w/ 60 GHz Rolf – suggestions for rest of the usage models? Distinct identity? Good chance all WFA usage models would be covered with 60 GHz Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 08/0121 Marc G. – what would be the maximum individual link throughput? How many devices in a BSS? Distinct identity from 16m? 4-6 devices transmitting simultaneously Divided IMT-Advanced between mobility for 16m and nomadic for 11vht Amer – presentation leaves out 60GHz because of 15.3c, we should not do that Split PARs between IMT-Advanced and 60 GHz Marc G. – splitting pars makes sense in light of diverging platforms Rolf – how would you envision implementing hooks for interworking? Eldad – do you want to address all usages within one TG again like 11n? Michael – target dates? 2012 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

PAR discussion questions
April 2007 doc.: IEEE /0570r0 January 2008 PAR discussion questions Usage model Should the study group develop a PAR & 5C’s that is not usage model specific? Should the study group develop multiple PAR & 5C’s targeting specific usage models, e.g. handheld/cellular verses wireless HD video distribution? Operating band Should the study group develop a PAR & 5C’s that is not band specific? Should the study group develop a PAR & 5C’s specifically targeting <6GHz band? Should the study group develop a PAR & 5C’s specifically targeting 57-62GHz band? Should PAR & 5C’s be split based on both usage and operating band? Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Operating band straw polls
April 2007 doc.: IEEE /0570r0 January 2008 Operating band straw polls 1) Should the study group develop a PAR & 5C’s that is not band specific? Y: 4 N: 49 Abs: 2 2) Should the study group develop a PAR & 5C’s specifically targeting <6GHz band? Y:29 N:9 Abs:13 3) Should the study group develop a PAR & 5C’s specifically targeting 57-62GHz band? Y:21 N:4 Abs: 30 4) Should the study group develop two PAR &5C’s one for <6GHz band and one for 57-62GHz band Y: 29 N: 4 Abs: 19 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

More straw polls on operating band
April 2007 doc.: IEEE /0570r0 January 2008 More straw polls on operating band 5) Should the study group develop one PAR & 5C’s for both bands (<6GHz & 57-62GHz)? Y: 4 N: 31 Abs: 16 6) Should we develop common MAC enhancement for both bands? Y: 12 N: 20 Abs: 20 7) for <6GHz Amendment: 27 New standard: 9 8) for 57-62GHz Amendment: 11 New standard: 29 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Agenda for Thursday January 17
April 2007 doc.: IEEE /0570r0 January 2008 Agenda for Thursday January 17 Reaffirm agenda Presentations PAR & 5C’s 12:00pm Review time line Goals for March Set up conference calls Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Presentations for Thursday January 17
April 2007 doc.: IEEE /0570r0 January 2008 Presentations for Thursday January 17 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Minutes for Thursday January 17
April 2007 doc.: IEEE /0570r0 January 2008 Minutes for Thursday January 17 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Goals for March Presentations related to “call for submissions”
April 2007 doc.: IEEE /0570r0 January 2008 Goals for March Presentations related to “call for submissions” WFA update on use cases Continue work on PAR & 5 C’s Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

Conference call times Possible date/time: Topics:
April 2007 doc.: IEEE /0570r0 January 2008 Conference call times Possible date/time: Weekly beginning Thursday, January 25, 11:00 Eastern Time one hour Topics: PAR & 5C’s development Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

April 2007 doc.: IEEE /0570r0 January 2008 PAR Purpose TGn The purpose of the project is to improve the wireless local area network (LAN) user experience by providing significantly higher throughput for current applications and to enable new applications and market segments. 07/574r1 The purpose of the project is to create a substantially better wireless local area network (LAN) user experience by providing significantly higher throughput for current applications and to enable new applications and market segments. Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

VHT SG January 2008 Report Date: Authors: January 2008

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