Maximum-likelihood detection in the presence of interference
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abstract
We study maximum-likelihood (ML) sequence estimation in interference through a direct derivation of the likelihood function, and using the expectation-maximization (EM) algorithm. It is seen that, irrespective of the interference statistics, the likelihood function is composed of two parts: the first, which has the same form as for a purely additive white Gaussian noise (AWGN) channel, operates only on the signal component in the null-space of the interference; the second part depends on the statistics of the interference and operates on the signal part which is in the space of interference. 1998 IEEE.
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Proceedings. 1998 IEEE International Symposium on Information Theory (Cat. No.98CH36252)