Joint demodulation using spatial maximum likelihood

Details Joint demodulation using spatial maximum likelihood Joint demodulation using spatial maximum likelihood

H - Electricity

04

Q

H04Q 7/22 (2006.01) H01Q 1/24 (2006.01) H01Q 21/08 (2006.01) H01Q 21/28 (2006.01) H04B 1/12 (2006.01) H04B 7/08 (2006.01) H04B 7/10 (2006.01) H04B 7/185 (2006.01) H04L 1/00 (2006.01) H04L 1/06 (2006.01) H04L 25/02 (2006.01) H04L 25/03 (2006.01) H04Q 7/12 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2213518

Methods and systems for processing signals in radio communication systems are described which include processes for handling co-channel interference while reducing the number of Viterbi states being processed. A spatial analogy to the Viterbi MLSE process is provided. Both the uplink and downlink cases are described.

Cette invention se rapporte à des procédés et à des systèmes de traitement de signaux dans des systèmes de radiocommunications, dans lequels on utilise des techniques de traitement qui permettent de gérer les interfèrences dans un même canal, tout en réduisant le nombre d'états de Viterbi devant être traités. Une analogie spatiale avec les techniques de traitement d'estimation séquentielle de vraisemblance maximale (MLSE) de Viterbi est prévue. Les communications à la fois sens montant et sens descendant sont décrites dans cette invention.

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