Error-protection scheme for the transmission of H.263 coded video over mobile radio channels

Chi Wei Yap; King N. Ngan; Ranjith Liyanapathirana

doi:10.1117/12.263204

10 January 1997 Error-protection scheme for the transmission of H.263 coded video over mobile radio channels

Chi Wei Yap, King N. Ngan, Ranjith Liyanapathirana

Proceedings Volume 3024, Visual Communications and Image Processing '97; (1997) https://doi.org/10.1117/12.263204
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

Mobile communication channels are subject to multipath fading, which in turn results in burst errors occurring in the transmitted bit stream. When the data is source coded video data, such errors will cause a rapid deterioration of the decoded image sequence. This paper presents a method for reducing the effects of such errors on the H.263 coded bit stream using rate compatible punctured convolutional (RCPC) codes for unequal error protection and describes some modifications made to the source decoder for error concealment. Numerical results are obtained for RCPC codes over Gaussian and Rayleigh fading channels and they are compared with a sequence coded using a burst error correcting block code RS(15,11) and one without any form of channel coding.

Citation Download Citation

Chi Wei Yap, King N. Ngan, and Ranjith Liyanapathirana "Error-protection scheme for the transmission of H.263 coded video over mobile radio channels", Proc. SPIE 3024, Visual Communications and Image Processing '97, (10 January 1997); https://doi.org/10.1117/12.263204

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