EM-based sequence estimation for space-time codes systems
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abstract
An EM-based algorithm is introduced for decoding space-time trellis codes without assuming channel knowledge. Its complexity is much smaller than a direct evaluation of the log-likelihood function, and simulation results indicate it receiver achieves a performance close to that of a receiver that knows the channel perfectly.
name of conference
2000 IEEE International Symposium on Information Theory (Cat. No.00CH37060)