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802.11af Liaison Report

802.11af Liaison Report

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802.11af Liaison Report

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  1. 802.11af Liaison Report Authors: Date: 2011-05-12 Notice:This document has been prepared to assist IEEE 802.19. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Prabodh Varshney, Nokia

  2. Abstract • Liaison report from 802.11af as presented to 802.19. Prabodh Varshney, Nokia

  3. 802.11af Status before May Interim Meeting • Comment resolution going on… • Group had telcos and adhoc meeting on May 4-6 to resolve comments. • Comments divided into three categories: General, MAC and PHY. • The plan is to review and develop resolutions to all remaining comments. • 802.11ac PHY will be used. Prabodh Varshney, Nokia

  4. Current 802.11af Status • Has agreed upon architecture and security modifications. • Presentations related to comment resolution mainly dealing with following MAC issues: • Simplification to enablement procedure for TVWS band. • Enhancing existing Channel Availability Query to support database query for multiple locations. • Network channel control. • Channel Availability Query. • Channel Schedule Management. • White Space Map. • 73 technical comments (out of 800) have TG approved resolution. All editorial (408) have TG approved resolution. Prabodh Varshney, Nokia

  5. Current 802.11af Status • A presentation was made on achieving compliance to TV WS spectrum emissions mask. • This presentation provides initial results for an RF PA Linearizer which is easily inserted between the • RF Modulator and Power Amplifier to achieve full compliance to the Emissions Mask with margin. • Works regardless of signal BW Prabodh Varshney, Nokia

  6. Current 802.11af Status • Information about 802.11af project has been communicated to 802.18 for inclusion in the letter to be sent to ITU regarding TVWS work being done in IEEE 802. • Next WG letter ballot is expected in Sept 2011 and publication sometime in late 2013. • TG’s Principle modified to: In order to meet international requirements and facilitate the use of multiple contiguous or non-contiguous channels, use of TGac with changes for TGaf is our focus. • Initially the starting point was to use changes to Clauses 17 and 19 and Annexes D and E. • This will help in resolution of about 150 PHY related comments. Prabodh Varshney, Nokia

  7. Plans till July Plenary • Continue comment resolution in: • Telcos on Tuesdays (22:00 ET for up to 2 Hrs.) • Adhoc in July 14-15 in Bay area. Prabodh Varshney, Nokia

  8. Official TGaf Timeline • Initial Working Group Letter Ballot: January 2011 • Second Working Group Letter Ballot: September 2011 • Recirculation Letter Ballot: November 2011 • Form Sponsor Ballot Pool: February 2012 • Initial Sponsor Ballot: March 2012 • Recirculate Sponsor Ballot: May 2012 • Final WG/EC Approval: July 2012 • RevCom/Standards Board Approval: September 2012 Prabodh Varshney, Nokia