The source-channel separation theorem revisited

  • Authors:
  • S. Vembu;S. Verdu;Y. Steinberg

  • Affiliations:
  • Dept. of Electr. Eng., Princeton Univ., NJ;-;-

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 1995

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Abstract

The single-user separation theorem of joint source-channel coding has been proved previously for wide classes of sources and channels. We find an information-stable source/channel pair which does not satisfy the separation theorem. New necessary and sufficient conditions for the transmissibility of a source through a channel are found, and we characterize the class of channels for which the separation theorem holds regardless of the source statistics