Exponent function for asymmetric broadcast channels at rates outside the capacity region

  • Yasutada Oohama
  • Published 2016 in
    2016 International Symposium on Information…


We consider the discrete memoryless asymmetric broadcast channels. We prove that the error probability of decoding tends to one exponentially for rates outside the capacity region and derive an explicit lower bound of this exponent function. We shall demonstrate that the information spectrum approach is quite useful for investigating this problem. 


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