Capacity of fading channels with channel side information

  • Authors:
  • A. J. Goldsmith;P. P. Varaiya

  • Affiliations:
  • California Inst. of Technol., Pasadena, CA;-

  • Venue:
  • IEEE Transactions on Information Theory
  • Year:
  • 1997

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We obtain the Shannon capacity of a fading channel with channel side information at the transmitter and receiver, and at the receiver alone. The optimal power adaptation in the former case is “water-pouring” in time, analogous to water-pouring in frequency for time-invariant frequency-selective fading channels. Inverting the channel results in a large capacity penalty in severe fading