1 / 10

RR-TAG Liaison Report March 2009 IEEE 802.18-802.11

RR-TAG Liaison Report March 2009 IEEE 802.18-802.11. Date: 2009-3-11. Authors:. IEEE 802.18 Work Plan. Ofcom presentation on the Digital Dividend in the UK and Cognitive Radio Presentation on license exempt operation in the Netherland Antilles M.1450 approved by Excom

maina
Download Presentation

RR-TAG Liaison Report March 2009 IEEE 802.18-802.11

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. RR-TAG Liaison Report March 2009IEEE 802.18-802.11 Date: 2009-3-11 Authors: Rich Kennedy, OakTree Wireless

  2. IEEE 802.18 Work Plan • Ofcom presentation on the Digital Dividend in the UK and Cognitive Radio • Presentation on license exempt operation in the Netherland Antilles • M.1450 approved by Excom • Meet with TGz chair to discuss 5 GHz operation of DLS • Met with 802.22 and 802.11 to finalize the Petition for Reconsideration; to be continued PM2

  3. TVWS Petition for Reconsideration • FCC 08-260 R&O on the unlicensed use of the White Space; published 2/17, comments due by 3/18 • We have developed a petition for reconsideration to maximize the usability of this spectrum for Wi-Fi devices • IEEE 802.22 has a similar petition for their cause • Final petition must be from 802.18, so must be agreed to by both .11 and .22 • Some 802.11 members developed a response to the .22 petition – 11-09/239r2 • Would like to have full WG support in the negotiations

  4. The Issues • In agreement • A- Fixed devices (base stations) should be allowed to have multiple fixed client/slave devices • B- Sensing for television signals should not be mandated by the Commission • C- Fixed Base Station Height Should Be Based on HAAT Rather than AGL and not limited to 30m AGL • The contention • D- PSD Limits and Minimum Occupied Bandwidth Should Be Specified; and RF Mask • Three sensing points

  5. Situation • 802.18 hosted the Friday March 6th teleconference discussing 22-09/26r0 and 11-09/239r2 • 802.22 is evolving their position in response to 11-09/239r2 • See 22-09/26r1, which takes note of issues raised in 09/239r2 • 22-09/26 is evolving to become the 802.22 position

  6. Sensing • 802.11 believes that sensing requirement for personal portable devices limit product feasibility; challenging to battery powered devices that utilize power saving mechanisms • “The sensing threshold for wireless microphones should be -107 dBm rather than -114 dBm” - requires significant battery power and time • “Part 74 devices need to be sensed within 2 seconds, not 60 seconds” – Wake up from sleep mode, etc, makes this difficult • “Synchronized quiet periods are necessary for incumbent sensing” – GPS clock undetectable indoors; others too unstable • We prefer database control of access to spectrum

  7. Motion • IEEE 802.11 WG supports the comments of 11-09-0239-02-0wng-comments-on-802-22-input-to-08-260-petition-for-reconsideration as a formal input to the 802.18 RR-TAG in their development of a Petition for Reconsideration to the FCC TVWS R&O, FCC 08-260 • Moved: Rich Kennedy • Seconded: Peter Murray • Vote: • Yes 59 • No 0 • Abstain 12

  8. The Results • At the mid-week plenary I asked the group to approve our input to the RR-TAG development of a petition for reconsideration to the FCC TVWS R&O • In the PM1 session the group approved their final petition: 18-09/039/r4 • Three major points of contention between 11 and 22 • 22 wanted synchronized quiet periods – rejected • 22 wanted 2 sec maximum detect time for microphones – rejected • 11 wanted to relieve personal portable devices of sensing requirement – rejected • 11 wanted to allow active connection with the database to manage contention - accepted

  9. References • 18-09-0035-00-0000-ofcom-consultation-digital-dividend-cognitive-access • 18-09-0036-00-0000-ofcom-presentation-awarding-the-digital-dividend-in-the-uk-and-europe • 18-09-0037-00-0000-netherlands-letter-of-intent • 18-09-0034-01-0000-declaration-of-intention • 18-09-0020-04-0000-revision-of-recommendation-itu-r-m-1450 • 22-09-0026-04-0000-802-22-to-802-18-on-tvws-rando-doc • 11-09-0239-02-0wng-comments-on-802-22-input-to-08-260-petition-for-reconsideration • 18-09-0039-02-0000-petition-for-reconsideration-fcc-wsd-r-and-o-doc

  10. Questions? Rich Kennedy, OakTree Wireless

More Related