Power adaptive feedback communication over an additive individual noise sequence channel

  • Authors:

  • Yuval Lomnitz;Meir Feder

  • Affiliations:

  • Tel Aviv University, Dept. of EE-Systems;Tel Aviv University, Dept. of EE-Systems

  • Venue:
  • ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 3
  • Year:
  • 2009

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Abstract

We consider a real-valued additive channel with an individual unknown noise sequence. We present a simple sequential communication scheme based on the celebrated Schalkwijk-Kailath scheme, which varies the transmit power according to the power of the sequence, so that asymptotically the relation between the SNR and the rate matches the Gaussian channel capacity R ≈ 1/2 log(1 + SNR) for almost every noise sequence.