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

R. Kurceren, J. W. Modestino

Research output: Contribution to journalConference articlepeer-review


The use of forward error-control (FEC) coding, possibly in conjuction 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.

Original languageEnglish (US)
Pages (from-to)174-187
Number of pages14
JournalProceedings of SPIE - The International Society for Optical Engineering
Issue numberI
StatePublished - Jan 1 1999
EventProceedings of the 1999 Visual Communications and Image Processing - San Jose, CA, USA
Duration: Jan 25 1999Jan 27 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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