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Publication
IEEE Trans. Inf. Theory
Paper
Simulation-based computation of information rates for channels with memory
Abstract
The information rate of finite-state source/channel models can be accurately estimated by sampling both a long channel input sequence and the corresponding channel output sequence, followed by a forward sum-product recursion on the joint source/channel trellis. This method is extended to compute upper and lower bounds on the information rate of very general channels with memory by means of finite-state approximations. Further upper and lower bounds can be computed by reduced-state methods. © 2006 IEEE.