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Costa problem under channel ambiguity

Presented at Toulouse (France), May 14-19
Publication date2006
Abstract

In this paper, we address the analysis of the Costa setup under channel uncertainty. Since the Costa setup was entirely considered under the Gaussian assumptions about host and channel statistics, we assume that the channel is an additive white Gaussian noise (AWGN) with unknown variance defined on some interval. First, we solve the problem of average achievable rate optimization assuming that the distribution of noise variances is known. Then, we withdraw the previous assumption and consider that the variance distribution is unknown. The corresponding criteria are formulated and the performance of the Costa under these criteria is demonstrated

Keywords
  • AWGN channels
  • channel coding
  • data encapsulation
  • optimisation
  • statistical analysis
Citation (ISO format)
VILA FORCEN, Jose Emilio et al. Costa problem under channel ambiguity. In: Proceedings of 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2006) (vol. 2). Toulouse (France). [s.l.] : [s.n.], 2006. p. II. doi: 10.1109/ICASSP.2006.1660336
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