Robust video broadcasting over 802.11a/g in time-correlated fading channels

V Sgardoni, PL Ferre, AR Nix, DR Bull

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

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Abstract

In order to deliver video streams efficiently over WiFi to many thousands of consumer handheld devices, broadcast protocols must be employed. In this mode of operation the received video quality can deteriorate rapidly as a result of high application layer packet loss which occurs because MAC frame retransmission cannot be used. In this paper we develop a robust video solution that is used in conjunction with broadcast transmission over 802.11a/g. Using a cross-layer WiFi simulator in combination with an accurate time-correlated fading channel, the received video quality is evaluated for broadcast H.264 video sequences. Application layer cross-packet forward error correction is then used together with error concealment at the video client. The methods developed can be used to successfully broadcast video to many thousands of handheld terminals at large-scale spectator events.
Translated title of the contributionRobust video broadcasting over 802.11a/g in time-correlated fading channels
Original languageEnglish
Title of host publicationInternational Conference on Consumer Electronics (ICCE), Las Vegas
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1 - 2
Number of pages2
ISBN (Print)9781424447015
DOIs
Publication statusPublished - Jan 2009
EventInternational Conference on Consumer Electronics (ICCE) - Las Vegas, United States
Duration: 1 Jan 2009 → …

Publication series

Name
ISSN (Print)00983063

Conference

ConferenceInternational Conference on Consumer Electronics (ICCE)
CountryUnited States
CityLas Vegas
Period1/01/09 → …

Bibliographical note

Rose publication type: Conference contribution

Additional information: With accompanying conference presentation

Sponsorship: This work was supported in part by the UK
Technology Strategy Board.

Terms of use: Copyright © 2009 IEEE. Reprinted from IEEE International Conference on Consumer Electronics (ICCE) 2009.

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Keywords

  • WLAN
  • IEEE 802.11a/g
  • broadcast
  • forward error correction

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