Use of FEC coding to improve statistical multiplexing performance for video transport over ATM networks

Ragip Kurceren; James W. Modestino

doi:10.1117/12.334665

28 December 1998 Use of FEC coding to improve statistical multiplexing performance for video transport over ATM networks

Ragip Kurceren, James W. Modestino

Author Affiliations +

Proceedings Volume 3653, Visual Communications and Image Processing '99; (1998) https://doi.org/10.1117/12.334665
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

The use of forward error-control (FEC) coding, possibly in conjunction with ARQ techniques, has emerged as a promising approach for video transport over ATM networks for cell-loss recovery and/or bit error correction, such as might be required for wireless links. Although FEC provides cell-loss recovery capabilities it also introduces transmission overhead which can possibly cause additional cell losses. A methodology is described to maximize the number of video sources multiplexed at a given quality of service (QoS), measured in terms of decoded cell loss probability, using interlaced FEC codes. The transport channel is modelled as a block interference channel (BIC) and the multiplexer as single server, deterministic service, finite buffer supporting N users. Based upon an information-theoretic characterization of the BIC and large deviation bounds on the buffer overflow probability, the described methodology provides theoretically achievable upper limits on the number of sources multiplexed. Performance of specific coding techniques using interlaced nonbinary Reed-Solomon (RS) codes and binary rate-compatible punctured convolutional (RCPC) codes is illustrated.

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Ragip Kurceren and James W. Modestino "Use of FEC coding to improve statistical multiplexing performance for video transport over ATM networks", Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); https://doi.org/10.1117/12.334665

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