On channel capacity per unit cost

  title={On channel capacity per unit cost},
  author={Sergio Verd{\'u}},
  journal={IEEE Trans. Information Theory},
Absfracf -Memoryless communicat ion channels with arbitrary alphabets where each input symbol is assigned a cost are considered. The max imum number of bits that can he transmitted reliably through the channel per unit cost is studied. It is shown that if the input alphabet contains a zero-cost symbol, then the capacity per unit cost admits a simple expression as the max imum normalized divergence between two conditional output distributions. The direct part of this coding theorem admits a… CONTINUE READING
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