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Doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 1 802.11aa – Robust Audio Video Transport Streaming Waikoloa Opening Report.

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Presentation on theme: "Doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 1 802.11aa – Robust Audio Video Transport Streaming Waikoloa Opening Report."— Presentation transcript:

1 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 1 802.11aa – Robust Audio Video Transport Streaming Waikoloa Opening Report Date: 2008-09-12 Authors:

2 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 2 Abstract This submission summarizes TGaa goals and agenda for the IEEE 802.11 Waikoloa (September 2008) meeting.

3 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 3 Opening Report

4 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 4 Attendance Recording - 802.11 Sign-in at http://newton.events.ieee.orghttp://newton.events.ieee.org –“newton” is a local server, not reachable via a VPN –“newton” is active only during 802.11 sessions First “sign in” to provide contact information –Only name and affiliation may be posted publicly, as per IEEE rules –No other personal information will be publicly available Second, log attendance Sign In

5 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 5 As a Courtesy To Others … PLEASE switch your Mobile Phones OFF, or to VIBRATE Alert, remember to MUTE your PC also please ! "Our thanks to all those people who now use Headsets !” The use of Audio and / or Video recording of any 802.11 meeting is Specifically Prohibited as per the 802.11 WG Policies and Procedures. This is mandated by the IEEE- SASB in the OpManual - 5.3.3.5. Still photography is only permitted by a public request and permission of the meeting membership via the WG Chair, and is not for commercial purposes, also mandated by IEEE-SASB in the OpManual - 5.3.3.4.

6 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 6 802.11aa – September 2008 Call Meeting to Order Policies and Procedures, Attendance reminder: http://newton.events.ieee.org/ **IEEE Patent Policy http://standards.ieee.org/board/pat/pat-slideset.ppthttp://standards.ieee.org/board/pat/pat-slideset.ppt 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 that standard? Minute 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. ***Affiliation FAQ - http://standards.ieee.org/faqs/affiliationFAQ.htmlhttp://standards.ieee.org/faqs/affiliationFAQ.html Anti-Trust FAQ - http://standards.ieee.org/resources/antitrust-guidelines.pdfhttp://standards.ieee.org/resources/antitrust-guidelines.pdf Ethics - http://www.ieee.org/portal/cms_docs/about/CoE_poster.pdfhttp://www.ieee.org/portal/cms_docs/about/CoE_poster.pdf IEEE 802.11 Policies and Procedures - http://www.ieee802.org/11/DocFiles/07/11-07-0360-04-0000-802-11-policies- and-proceedures.htm http://www.ieee802.org/11/DocFiles/07/11-07-0360-04-0000-802-11-policies- and-proceedures.htm IEEE 802 Policies and Procedures - http://www.ieee802.org/policies-and- procedures.pdfhttp://www.ieee802.org/policies-and- procedures.pdf ** Read slide deck *** Note especially items #7 & #11

7 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 7 802.11aa Goal(s) for the Waikoloa Meeting 1.Approvals –Approval of Denver Meeting minutes (08/860r1) –Approval of post-Denver telecon minutes (08/945r2) –Teleconference schedule 2.Complete OBSS Requirements (08/944r3) 3.Complete Broadcast/Multicast Requirements 4.Listen to Technical Proposals 5.Review of PAR (gap analysis) 6.Discuss agenda for joint 802.1AVB meeting in Dallas

8 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 8 Agenda Monday AM2 (1030-1230) 1.Meeting Call To Order 2.Appoint a secretary for this session (AM2) 3.Review IEEE/802 & 802.11 Policies and Rules 4.Call for knowledge of Essential Patents 5.Approve agenda or modify and approve modified agenda 6.Review and Approve Denver minutes, telecon minutes 7.Teleconference schedule 8.General Agenda for the week – Review/Discussion (schedule presentations) 9.Announcements a.TGaa Secretary b.Call for Presentations c.802.11 QoS for 802.1 AVB meeting 10.Review of PAR 11.OBSS Requirements 12.Recess until Tuesday AM2 (1030)

9 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 9 Technical Presentations Slide 9 11-08-1012-00-00aa-Harmonizing_Multicast_Proposals.ppt (40min) 11-08-xxxx-00-00aa-Repair-Requests-for-Multicast.ppt (20min)

10 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 10 TGaa Agenda (estimated time) Attendance reminder: http://newton/ **for each timeslot*** Documents: https://mentor.ieee.org/802.11/documentshttp://newton/https://mentor.ieee.org/802.11/documents Thursday PM2 –Presentations (65) –Agenda for next AVB meeting (15) –Review closing report (10) Monday PM1 –Call to Order, IP info & query, Approve Agenda –Chair’s Welcome, Status, Review of Objectives –Motions – Denver minutes, telecon minutes –Telecon schedule –Review of PAR (15) –802.11 QoS for 802.1 AVB meeting (5) –OBSS Requirements – 08-944r3 (75) Tuesday AM2 –OBSS Requirements (20) –BC/MC Requirements (100) Tuesday PM1 –Presentation – 08-1012 – Harmonizing Multicast Proposals – Brian Hart (40) –Presentation – 08-?? – Repair Requests for Multicast – Brian Hart (20) – Presentations (60) Wednesday AM1 –Presentations (120)

11 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 11 Minutes review Denver Minutes 08/0860r1 July-Sep Teleconference Minutes 08/945r2

12 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 12 Motion-1 Move to approve TGaa Denver meeting minutes (document 08/0860r1). Moved: Second: Vote:

13 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 13 Motion-2 Move to approve July-Sep Teleconference Minutes (document 08/945r2) Moved: Second: Vote:

14 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 14 Teleconference Schedule Mondays 1100-1200 Hrs ET, bi-weekly starting September 22, 2008

15 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 15 Review of PAR Graceful degradation of audio video streams when there is insufficient channel capacity, by enabling packet discarding without any requirement for deep packet inspection Increased robustness in overlapping BSS environments, without the requirement for a centralised management entity Intra-Access Category prioritization of transport streams by modifying EDCA timing and parameter selection without any requirement for deep packet inspection Improved link reliability and low jitter characteristics for multicast/broadcast audio video streams Interworking with relevant 802.1AVB mechanisms (802.1Qat, 802.1Qav, 802.1AS)

16 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 16 802.11 QoS for 802.1 AVB meeting Tutorial on 802.11 QoS –TSPECs and what they mean –We need a volunteer

17 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 17 Motion-n Move to … Moved: Second: Vote:

18 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 18 Criteria for evaluating Multicast Video proposals –Flexibility (high reliability and efficiency vs high scalability - 100s in MC group) Shall work with 5 STAs Should work with 10s of STAs –Comparable to a single stream unicast with limited retries: PLR delay and delay jitter –Bandwidth efficiency (since video throughput can be high) –Support for Multiple transmissions per beacon period –Compatible with legacy STAs –Provide support for duplicate detection –Allow for rate adaptation –Preserve power save performance –Not require h/w change –Provide support for collision avoidance

19 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 19 Agenda for next AVB meeting Tutorial on 802.11 QoS –TSPECs and what they mean –We need a volunteer Tutorial on 802.1Qat –Traffic classes, their delay/latency and throughput characteristics Mapping between AVB and.11 TSPECs Status of 802.1q C-Tag CFI bit

20 doc.: IEEE 802.11-08/1003r0 Submission September 2008 Alex Ashley, NDS LtdSlide 20 References

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