1. TGac Coex Ad Hoc Report July 2010
Month Year
doc.: IEEE yy/xxxxr0
July 2010
TGac Coex Ad Hoc Report July 2010
Date:
Authors:
Yusuke Asai, Youhan Kim, Eldad Perahia
John Doe, Some Company

2. Register Indicate attendance Attendance
July 2010
Attendance
Register
Indicate attendance
See document r3 for more details
Slide 2
Yusuke Asai, Youhan Kim, Eldad Perahia

3. Patent Policy Following 5 slides July 2010 April 2007
doc.: IEEE /0570r0
July 2010
Patent Policy
Following 5 slides
Yusuke Asai, Youhan Kim, Eldad Perahia
Eldad Perahia, Intel Corporation

4. Instructions for the WG Chair
April 2007
doc.: IEEE /0570r0
July 2010
Instructions for the WG Chair
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 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.
(Optional to be shown)
Yusuke Asai, Youhan Kim, Eldad Perahia
Eldad Perahia, Intel Corporation

5. Participants, Patents, and Duty to Inform
April 2007
doc.: IEEE /0570r0
July 2010
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 or patent 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 patent claim 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
Yusuke Asai, Youhan Kim, Eldad Perahia
Eldad Perahia, Intel Corporation

6. Patent Related Links Patent Policy is stated in these sources:
April 2007
doc.: IEEE /0570r0
July 2010
Patent Related Links
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
IEEE-SA Standards Board Operations Manual
Material about the patent policy is available at
If you have questions, contact the IEEE-SA Standards Board Patent Committee Administrator at or visit
This slide set is available at
Slide #2
Yusuke Asai, Youhan Kim, Eldad Perahia
Eldad Perahia, Intel Corporation

7. Call for Potentially Essential Patents
April 2007
doc.: IEEE /0570r0
July 2010
Call for Potentially Essential Patents
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
Slide #3
Yusuke Asai, Youhan Kim, Eldad Perahia
Eldad Perahia, Intel Corporation

8. Other Guidelines for IEEE WG Meetings
April 2007
doc.: IEEE /0570r0
May 2010
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 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
Yusuke Asai, Youhan Kim, Eldad Perahia
Eldad Perahia, Intel Corporation

9. Ad Hoc Scope Initial guideline from 09/1175r1 OBSS Management
May 2010
Ad Hoc Scope
Initial guideline from 09/1175r1
OBSS Management
Multi-Channel
Non-contiguous channelization
MC MAC protocol
> 80MHz channel
Backwards compatibility
CCA
Channel access Fairness
Scanning and channel selection
Slide 9
Yusuke Asai, Youhan Kim, Eldad Perahia

10. Agenda: Tuesday, July 13, 2010 8:00– 10:00
November 2009
doc.: IEEE /0xxxr0
May 2010
Agenda: Tuesday, July 13, :00– 10:00
Call meeting to Order
Attendance Recording Reminder
Review of IEEE 802 and Policies and Procedures on Intellectual Property and Inappropriate Topics
Submissions
Next meeting
June 14 (Wed), AM1 (9:00-10:00)
(postponed to June 15(Thu), AM2 (11:30-12:30) )
Yusuke Asai, Youhan Kim, Eldad Perahia
Osama Aboul-Magd (Samsung)

11. Submissions 10/0744r0, “Improved CCA”, Brian Hart (Cisco)
May 2010
Submissions
10/0744r0, “Improved CCA”, Brian Hart (Cisco)
10/0846r1, “Evaluation of the saturation of the 5GHz band”, Laurent Cariou (Orange Lab)
10/0763r0, “Regulatory Classes for 80Mhz Channel”, James Wang (Mediatek)
10/0772r0, “80 MHz Channelization”, Youhan Kim (Atheros)
10/0781r0, “Channel Selection and Management for 11ac”, Byeongwoo Kang (LG Electronics)
10/0780r1, “Joint Multichannel CSMA”, Daning Gong (CATR)
10/0831r0, :Frame Sequence of Interference Management Using Beamforming Technique in OBSS Environment”, Yusuke Asai(NTT)
Yusuke Asai, Youhan Kim, Eldad Perahia

12. Minutes from Tuesday July 13, 8:00-10:00
May 2010
Minutes from Tuesday July 13, 8:00-10:00
Call to order 8:00 am
Agenda – no objection
Presentations
10/0744r0, “Improved CCA”, Brian Hart (Cisco)
10/0846r1, “Evaluation of the saturation of the 5GHz band”, Laurent Cariou (Orange Lab)
10/0763r0, “Regulatory Classes for 80Mhz Channel”, James Wang (Mediatek)
10/0772r0, “80 MHz Channelization”, Youhan Kim (Atheros)
Recessed at 9:50 am
Yusuke Asai, Youhan Kim, Eldad Perahia

13. September 2006
doc.: IEEE /1458r0
July 2010
Straw Poll #1 (10/0744r0)
Add to the Spec Framework Document a new requirement:
An 11ac device shall provide a CCA per 20 MHz channel, for all 20 MHz channels that the device is presently capable of transmitting over.
The CCA sensitivity shall be:
TBD (<-62) dBm for valid signals
-62 dBm for any signal.
Yes : 15
No : 0
Abstain : 21
Yusuke Asai, Youhan Kim, Eldad Perahia
Joonsuk Kim, Broadcom Corp.

14. July 2010
Straw Poll #2 (10/0846r1)
Do you support the concept of 120MHz mode as presented below?
Non-contiguous 120 MHz PHY transmission, whose frequency spectrum consists of two segments, transmitted using one 11ac 80 MHz channel including the primary channel and one 11ac 40 MHz channel, possibly non-adjacent in frequency.
Yes : 9
No : 5
Abstain : 21
Yusuke Asai, Youhan Kim, Eldad Perahia

15. Straw Poll #3 (10/0763r0) Do you support adding the following ?
July 2010
doc.: IEEE /0457r0
July 2010
Straw Poll #3 (10/0763r0)
Do you support adding the following ?
The primary and the secondary subchannels of the 80 MHz channel to be allocated within a 40 MHz channel
Yes : 10
No : 0
Abstain : 18
Yusuke Asai, Youhan Kim, Eldad Perahia
James Wang, Mediatek

16. July 2010
Straw Poll #4 (10/0773r0)
Do you support adding the following item into the specification framework document, 11-09/0992?
R3.1.1.X: 80 MHz channels consists of two adjacent IEEE 40 MHz channels, and do not partially overlap with each other.
Yes : 13
No : 0
Abstain : 15
Yusuke Asai, Youhan Kim, Eldad Perahia

17. July 2010
Straw Poll #5 (10/0773r0)
Do you support adding the following text and figure in section 3.1 of the specification framework document, 11-09/0992?
Figure X shows the 80 MHz channels for the US region.
Yes : 13
No : 0
Abstain : 14
5170
MHz
5330
MHz
5490
MHz
5710
MHz
5735
MHz
5835
MHz 36 40 44 48 52 56 60 64
100
104
108
112
116
120
124
128
132
136
140
149
153
157
161
165
IEEE channel #
20 MHz
40 MHz
80 MHz
Figure X. 80 MHz channels for the US region.
Yusuke Asai, Youhan Kim, Eldad Perahia

18. Agenda: Thursday, July 15, 2010 11:30– 12:30
November 2009
doc.: IEEE /0xxxr0
May 2010
Agenda: Thursday, July 15, :30– 12:30
Call meeting to Order
Attendance Recording Reminder
Review of IEEE 802 and Policies and Procedures on Intellectual Property and Inappropriate Topics
Submissions
10/0781r0, “Channel Selection and Management for 11ac”, Byeongwoo Kang (LG Electronics)
10/0780r1, “Joint Multichannel CSMA”, Daning Gong (CATR)
10/0831r0, :Frame Sequence of Interference Management Using Beamforming Technique in OBSS Environment”, Yusuke Asai(NTT)
Teleconference Schedule
TBD
Yusuke Asai, Youhan Kim, Eldad Perahia
Osama Aboul-Magd (Samsung)

19. Strawpoll #1 (template) Yes: No: Abstain: July 2010
Yusuke Asai, Youhan Kim, Eldad Perahia