Multi-packet FEC Date: Authors: November 2007 November 2007

Slides:

Advertisements

Similar presentations

Doc.: IEEE /1404r0 Submission November 2014 Eisuke Sakai, Sony CorporationSlide 1 11aa GCR-BA Performance in OBSS Date: 2014/11/2 Authors:

Advertisements

Doc.: IEEE /0046r0 Submission January 2015 Eisuke Sakai, Sony CorporationSlide 1 11aa GCR-BA Performance in OBSS Date: 2015/01/12 Authors:

All rights reserved © 2006, Alcatel Accelerating TCP Traffic on Broadband Access Networks  Ing-Jyh Tsang 

Doc.: IEEE /1387 r0 Submission November 2014 Packet Encoding Solution for 45GHz Date: Authors: NameAffiliationsAddressPhone Liguang.

Multicast and Unicast Real-Time Video Streaming Over Wireless LANS April. 27 th, 2005 Presented by, Kang Eui Lee.

Doc.: IEEE /0067r0 Submission Jan 2012 Phillip Barber, HuaweiSlide 1 Active Scanning Time Notification Date: Authors: NameAffiliationsAddressPhone .

Doc.: IEEE yy/xxxxr0 SubmissionMukul Goyal, U Wisconsin MilwaukeeSlide 1 Impact of IEEE n Operation On IEEE Performance Notice: This.

Forward Error Correction vs. Active Retransmit Requests in Wireless Networks Robbert Haarman.

Doc.: IEEE /1172r2 Submission September 2014 Eisuke Sakai, Sony CorporationSlide 1 Multicast Performance in OBSS Date: 2014/9/15 Authors:

Doc.: IEEE /30r2 SubmissionMukul Goyal, U Wisconsin MilwaukeeSlide 1 Impact of IEEE n Operation On IEEE Performance Notice: This.

Doc.: IEEE /0788r0 Submission Aggregate Block-ACK definition Date: July 2010 Jochen MirollSlide 1 Authors:

Doc.: IEEE /0992r1 Submission September 2008 John R. Barr, Motorola Inc.Slide 1 20/40 MHz 11n Interference on Bluetooth Date: Authors:

Doc.: IEEE /0070r2 SubmissionSlide 1 Efficient Error Control Using Network Coding for Multicast Transmission Date: Authors: DooJung.

Doc.: IEEE /0764r0 Submission July 2008 Alex Ashley, NDS LtdSlide 1 Using packet drop precedence for graceful degradation Date: Authors:

Doc.: IEEE yy/xxxxr0 Submission January 2007 Yongho SEOK, LG ElectronicsSlide 1 Audio Video Multicast Protocol Notice: This document has been prepared.

Speaker: Yu-Jen Lai Cheng-Chih Chao Advisor: Hung-Yu Wei 2009/06/08 1 Dong Nguyen, Tuan Tran, Thinh Nguyen, and Bella Bose, Fellow, IEEE IEEE TRANSACTIONS.

Data Link Layer.

Doc.: IEEE /0992r0 Submission September 2008 John R. Barr, Motorola Inc.Slide 1 20/40 MHz 11n Interference on Bluetooth Date: Authors:

Doc.: IEEE /0150r11 Submission July 2015 Ganesh Venkatesan (Intel Corporation)Slide 1 GCR using SYNRA for GLK Date: Authors:

Doc.: IEEE /0615r0 Submission May 2008 Naveen K. Kakani, Nokia IncSlide 1 Multicast Transmission in WLAN Date: Authors:

Doc.: IEEE /1357r0 Submission November 2008 Guido R. Hiertz et al., PhilipsSlide 1 Simple improvement for EDCA usage in s Date:

Results of MRMB Simulations

Overall MAC Procedure for WUR

Quasi-reliable Multicast

Source video for 11aa tests

Feedback-jamming Multicast ARQ results with capture effect

Wireless ATM PRESENTED BY : NIPURBA KONAR.

Video over Research Date: Authors: May 2007 May 2007

Revisions of Home Network Simulation Scenario with OBSS

FEC SIMULATION IN NS-2 Zhuo Bin Wu (z ).

Revisions of Home Network Simulation Scenario with OBSS

Revisions of Home Network Simulation Scenario with OBSS

OBSS Simulations Date: Authors: April 2009 April 2009

Feedback-jamming ARQ mechanisms

Modified FCS/ARQ Behavior

QoS with EDCA Downgrading

Alternate EDCA Parameter Set

Multi-packet FEC Date: Authors: November 2007 November 2007

Results of OBSS Simulations

Performance Simulations

BlockAck Enhancement for Multicast Transmissions

Video Broadcast/Multicast

Drop Precedence in wireless, wired-wireless networks

Reducing Overhead in Active Scanning with Simulation Results

2/25/2019May 2008 November 2007 doc.: IEEE /2752r1 January 2009

Modified FCS/ARQ Behavior

IEEE as a “component” Date: Authors: Sept 2015

OBSS HCCA Race Condition

<month year> <doc.: IEEE doc> January 2013

Group Block Acknowledgements for Multicast Traffic

Impact of IEEE n Operation On IEEE Performance

Reducing Overhead in Active Scanning with Simulation Results

NIST model output Date: Authors: May 2010 Month Year

4/28/2019May 2008 November 2007 doc.: IEEE /2752r1

Aggregate Block-ACK definition

Alternate EDCA Parameter Set

Feedback-jamming ARQ mechanisms

Impact of IEEE n Operation On IEEE Performance

Reception Status of Frames Transmitted in Random Access RUs

IEEE multicast properties

Use of BSSID in WAVE Date: Authors: November 2007

Alternate EDCA Parameter Set

Revisions of Home Network Simulation Scenario with OBSS

GCR using SYNRA for GLK Date: Authors: July 2015 Month Year

Video Broadcast/Multicast

OBSS Requirements Date: Authors: July 2008 July 2008

OBSS Requirements Date: Authors: July 2008 July 2008

July 2008 doc.: IEEE /918r0 July aa – Robust Audio Video Transport Streaming Jacksonville Closing Report Date: Authors:

Wireless + TSN = Part of the Picture

September 2008 doc.: IEEE /1003r0 Mar 2011

Presentation transcript:

Multi-packet FEC Date: 2007-11-13 Authors: November 2007 November 2007 doc.: IEEE 802.11-07/2847r1 November 2007 Multi-packet FEC Date: 2007-11-13 Authors: Alex Ashley, NDS Ltd Alex Ashley, NDS Ltd

November 2007 doc.: IEEE 802.11-07/2847r1 November 2007 Abstract This presentation describes an example of an end-to-end flow of video content in which a forward error correction code is applied. Alex Ashley, NDS Ltd Alex Ashley, NDS Ltd

Example IPTV Deployment November 2007 doc.: IEEE 802.11-07/2847r1 November 2007 Example IPTV Deployment Content flows from VOD servers to the home via the core network. This flow has to provide end-to-end QoS. VOD Servers Retransmissions outside the home disabled, to avoid overloading network. DSLAM Core Network DSL Modem Alex Ashley, NDS Ltd Alex Ashley, NDS Ltd

November 2007 Multi-packet FEC A side-channel is added at the VOD server, which provides ‘n’ error correction data packets Ptotal = Pdata + Pprotection Receiver can create perfect picture with loss of any ‘n’ packets Alex Ashley, NDS Ltd

Example IPTV Deployment November 2007 doc.: IEEE 802.11-07/2847r1 November 2007 Example IPTV Deployment VOD Servers 7 data packets + 3 FEC packets 1 2 3 4 5 6 7 8 9 One packet is lost in the core network DSLAM Core Network X DSL Modem Alex Ashley, NDS Ltd Alex Ashley, NDS Ltd

Example IPTV Deployment November 2007 doc.: IEEE 802.11-07/2847r1 November 2007 Example IPTV Deployment VOD Servers One packet is lost over the DSL link One more packet can be lost, whilst still maintaining error-free video DSLAM Core Network 1 2 3 4 5 6 7 8 9 X DSL Modem X Alex Ashley, NDS Ltd Alex Ashley, NDS Ltd

November 2007 Multi-packet FEC & 802.11 Over 802.11, all unicast traffic gets re-transmitted until positive ACK received Or MIB defined retry limit reached If an application level FEC is already in place, 802.11 could be more intelligent in its retries A STA could reduce its retries if it had knowledge of higher level recovery technique Similar to puncture coding where bits are deliberately removed from the coded data to reduce over-the-air data Alex Ashley, NDS Ltd

November 2007 References Alex Ashley, NDS Ltd