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Robust matching pursuits video transmission using the HIPERLAN/1 air interface standard

Research output: Contribution to conferenceAbstract

Original languageEnglish
Publication dateJun 2000
Pages1939 - 1942
DOIs
StatePublished

Abstract

Matching pursuits over a basis of separable Gabor functions has been demonstrated to outperform DCT methods for low bit rate video coding. This paper introduces an error resilient implementation of the matching pursuits algorithm, based on the error resilient positional code. Coded video is transmitted using the simulated HIPERLAN/1 air interface standard, which recommends ARQ as a means of overcoming channel errors. This may be unsuitable for real time and broadcast applications. Therefore, a modified HIPERLAN/1 receiver is proposed in this paper, which does not use ARQ to retransmit erroneous packets but instead passes them to the video decoder to exploit error resilience. This strategy provides an acceptable reconstruction quality for average bit error rates equal to 1 in 1000 and is superior to a standard compliant system in the absence of ARQ. This confirms that wireless LAN standards should support a transparent mode for video applications.

Additional information

Sponsorship: The authors wish to acknowledge the EPSIiC (grant GI<-L43596) for supporting this work. Terms of use: Copyright © 2000 IEEE. Reprinted from Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing, 2000. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it. Name of Conference: International Conference on Acoustics, Speech, and Signal Processing, 2000 (ICASSP '00) Venue of Conference: Istanbul

Research areas

  • HIPERLAN/1, error statistics, wireless LAN, network interfaces

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