Joint array combining and MLSE for single-user receivers in multipath Gaussian multiuser channels
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Rights accessOpen Access
The well-known structure of an array combiner along with a maximum likelihood sequence estimator (MLSE) receiver is the basis for the derivation of a space-time processor presenting good properties in terms of co-channel and intersymbol interference rejection. The use of spatial diversity at the receiver front-end together with a scalar MLSE implies a joint design of the spatial combiner and the impulse response for the sequence detector. This is faced using the MMSE criterion under the constraint that the desired user signal power is not cancelled, yielding an impulse response for the sequence detector that is matched to the channel and combiner response. The procedure maximizes the signal-to-noise ratio at the input of the detector and exhibits excellent performance in realistic multipath channels.
CitationLagunas Hernández, M.A.; Vidal Manzano, J.; Pérez Neira, A.I. Joint array combining and MLSE for single-user receivers in multipath Gaussian multiuser channels. IEEE Journal on Selected Areas in Communications, 2000, vol. 18, núm. 11, p. 2252-2259.
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