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VHT SG March 2008 Report Date: Authors: March 2008

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Presentation on theme: "VHT SG March 2008 Report Date: Authors: March 2008"— Presentation transcript:

1 VHT SG March 2008 Report Date: 2008-03-17 Authors: March 2008
April 2007 doc.: IEEE /0570r0 March 2008 VHT SG March 2008 Report Date: Authors: Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

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

3 April 2007 doc.: IEEE /0570r0 March 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

4 IEEE-SA Standards Board Bylaws on Patents in Standards
April 2007 doc.: IEEE /0570r0 March 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

5 IEEE-SA Standards Board Bylaws on Patents in Standards
April 2007 doc.: IEEE /0570r0 March 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

6 IEEE-SA Standards Board Bylaws on Patents in Standards
April 2007 doc.: IEEE /0570r0 March 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

7 Other Guidelines for IEEE WG Meetings
April 2007 doc.: IEEE /0570r0 March 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

8 Further Information March 2008 April 2007 doc.: IEEE 802.11-07/0570r0
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

9 April 2007 doc.: IEEE /0570r0 March 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

10 Review from January March 2008 April 2007 doc.: IEEE 802.11-07/0570r0
Presentations Wi-Fi Alliance (WFA) VHT Study Group Usage Models, 11-07/2988r0, presented by Rolf De Vegt Legacy Coexistence – A Better Way?, 1107/3001r1, presented by Brian Hart Mobile cooperation usage models, 11-08/0081r2, presented by Marc De Courville VHT PAR Direction, 11-08/0130r0, presented by Gal Basson IMT.Advanced aligned scope proposal, 11-08/0121, presented by Marc De Courville Decisions by SG, setting direction for PAR development Should the study group develop two PAR &5C’s one for <6GHz band and one for 57-62GHz band? Y/N/A: 29/4/19 Should the study group specify limited usage models in a <6 GHz PAR and a 60 GHz PAR? Y/N/A: 39/1/19 Goals for March WFA update on usage models Analytical framework (Darwin Engwer) John Barr Continue work on: PAR & 5 C’s for <6GHz band PAR & 5 C’s for 60 GHz band Create rationale for SG extension for EC Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

11 Review from Conference Calls
April 2007 doc.: IEEE /0570r0 March 2008 Review from Conference Calls Conference call on January 31 Presentation of 08/0233r0 & 08/0224r0, PAR and 5C’s proposal for 60GHz Summary of comments: How does the PAR & 5C’s differ from 15.3c? What does dot11 hope to accomplish differently? Amendment vs. new standard No mention of range We should specify range in PAR Not clear that we are improving user experience with regards to range Could PHY be the same as c? Improve distinct identity by separately discussing MAC and PHY Channel modeling for 60GHz Vinko volunteered to look at applicability of c models Conference call on February 7 Presentation of 08/0219r1, PAR and 5C’s proposal for <6GHz Many “the MAC SAPs” in a BSS, where do you measure? Is the proposal to have 20, 40, 80 MHz channels in 5 GHz band only? Premature to put ITU in purpose What do we mean by backward compatibility? Would like coexistence which feels is stronger VHT greenfield in 5GHz? Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

12 Tentative Agenda for the Week
April 2007 doc.: IEEE /0570r0 March 2008 Tentative Agenda for the Week Monday March 17th, 8:00 – 9:30 Patent policy, etc. Review from January Set agenda Discussion of timeline Call for submissions Presentations vht vht-coexistence-mechanisms-at-5-ghz.ppt Tuesday March 18th, 16:00 – 18:00 Reaffirm agenda WFA; 45min < 6GHz PAR’s & 5C’s ; 1:15 Brian - fairness Wednesday March 19th, 8:00 – 10:00 Presention from John Barr/802.15; 15min 60GHz PAR’s & 5C’s – 1:15 9:30am Rationale for SG extension for EC Motion for extension Review time line Goals for March Conference calls Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

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

14 April 2007 doc.: IEEE /0570r0 March 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

15 Submissions Update of WFA presentation on use cases
April 2007 doc.: IEEE /0570r0 March 2008 Submissions Update of WFA presentation on use cases vht-below-6ghz-11vht-par-5c-s-proposal.ppt vht-coexistence-mechanisms-at-5-ghz.ppt vht, On the feasibility of 1Gbps for various MAC/PHY architectures Presentation from John Barr/802.15 Harkirat Singh – 5/60GHZ technical presentation; 15-20min Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

16 Agenda Monday Timeline 11-08-0307-00-0vht
April 2007 doc.: IEEE /0570r0 March 2008 Agenda Monday Timeline vht vht-coexistence-mechanisms-at-5-ghz.ppt Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

17 Presentations for Monday March 17
April 2007 doc.: IEEE /0570r0 March 2008 Presentations for Monday March 17 vht vht-coexistence-mechanisms-at-5-ghz.ppt Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

18 Minutes for Monday March 17
April 2007 doc.: IEEE /0570r0 March 2008 Minutes for Monday March 17 Patent policy Read/reviewed patent policy: no questions Asked essential patent claim question: no patent claims Agenda for the week 1:15 for each of <6GHz PAR and 60GHz PAR discussion <6 GHz on Tues, 60GHz on Wed WFA presentation first thing Tues PM2 Presentation by John Barr & on 60GHz on Wed Request to present by Harkirat Singh Presentation on Monday 08/307 08/315 no report on 60GHz channel model Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

19 08/307 Presented by Roberta Fracchia, Motorola Discussion March 2008
April 2007 doc.: IEEE /0570r0 March 2008 08/307 Presented by Roberta Fracchia, Motorola Discussion Brian Hart: multi user capacity it great thing to shoot for; in 11n is weak in 40MHz coexistence Andrew Myles: How much increase spectral efficiency (Mbps/Hz)? Looks like minimal increase. Multiple access channel mechanisms are proposed, but sound like research projects? Marc: bandwidth management in incremental improvement to 11n and is feasible Richard Van Nee: question about assumptions on maximum MAC throughput with multiple channels Solomon Trainin: questions on channel access and coexistence on parallel channels Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

20 08/315 Presented by Brian Hart, Cisco Discussion
April 2007 doc.: IEEE /0570r0 March 2008 08/315 Presented by Brian Hart, Cisco Discussion Solomon Trainin: in real systems, many of the stations are sleeping. Many preamble detection coexistence techniques will not work. Brian: stations need to wait for probe delay before accessing channel, need to set it to a non-zero value, then use a mid-packet CCA Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

21 April 2007 doc.: IEEE /0570r0 March 2008 08/315 If VHT produced a PAR for 5 GHz operation, do you believe n should pre-define an optional, VHT5-friendly spoofing mechanism, that may be disabled/enabled via a MIB variable? Y:16 N: 8 Abs:37 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

22 Agenda for Tuesday March 18
April 2007 doc.: IEEE /0570r0 March 2008 Agenda for Tuesday March 18 Reaffirm agenda Presentations PAR & 5C’s Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

23 Presentations for Tuesday March 18
April 2007 doc.: IEEE /0570r0 March 2008 Presentations for Tuesday March 18 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

24 Minutes for Tuesday March 18
April 2007 doc.: IEEE /0570r0 March 2008 Minutes for Tuesday March 18 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

25 Agenda for Wednesday March 19
April 2007 doc.: IEEE /0570r0 March 2008 Agenda for Wednesday March 19 Reaffirm agenda Presentations PAR & 5C’s 9:30am Create rationale for SG extension for EC Motion for extension Review time line Goals for May Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

26 Presentations for Wednesday March 19
April 2007 doc.: IEEE /0570r0 March 2008 Presentations for Wednesday March 19 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

27 Minutes for Wednesday March 19
April 2007 doc.: IEEE /0570r0 March 2008 Minutes for Wednesday March 19 Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

28 Rationale for SG extension for EC
April 2007 doc.: IEEE /0570r0 March 2008 Rationale for SG extension for EC First extension was given in November In January there were five submissions VHT usage models by WFA Mobile cooperation and IMT-Advanced aligned scope for < 6 GHz Concept of 60 GHz PAR Coexistence Two strawpolls setting the direction of the study group: Should the study group develop two PAR &5C’s one for <6GHz band and one for 57-62GHz band? Y/N/A: 29/4/19 Should the study group specify limited usage models in a <6 GHz PAR and a 60 GHz PAR? Y/N/A: 39/1/19 VHT held two conferences in January and February with presentations on a proposal for a <6 GHz PAR and 5C’s and 60 GHz PAR and 5C’s In March… VHT SG is making good progress towards completion of the two PARs and 5C’s, an additional extension is necessary for completion Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

29 April 2007 doc.: IEEE /0570r0 March 2008 Motion Move to request the IEEE Working Group to extend the VHT Study Group. Moved: Second: Result: Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

30 Goals for May Presentations related to “call for submissions”
April 2007 doc.: IEEE /0570r0 March 2008 Goals for May Presentations related to “call for submissions” Complete work on PAR & 5 C’s and submit motion to WG Eldad Perahia, Intel Corporation Eldad Perahia, Intel Corporation

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


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