H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/10 (2006.01) H04L 25/00 (2006.01) H04B 1/707 (2006.01)
Patent
CA 2628366
Interference rejection in a wireless communication system involves determining a complement spatial-temporal signal subspace that is complement to a spatial- temporal signal subspace of an interference signal included in a received signal. The received signal is projected onto the complement spatial-temporal signal subspace, whereby the interference signal included in the received signal is reduced. Determining the complement spatial-temporal signal subspace can include estimating the interference signal; determining a Block Yule- Walker matrix for the estimated interference signal; and determining the complement spatial-temporal signal subspace from the Block Yule-Walker matrix.
L'invention concerne la réjection d'interférences dans un système de communication sans fil qui met en oeuvre la détermination d'un sous-espace de signal spatio-temporel complémentaire qui est complémentaire à un sous-espace de signal spatio-temporel d'un signal d'interférences inclus dans un signal reçu. Le signal reçu est projeté sur le sous-espace de signal spatio-temporel complémentaire, grâce à quoi on réduit le signal d'interférences inclus dans le signal reçu. La détermination du sous-espace de signal spatio-temporel complémentaire peut inclure les étapes consistant à estimer le signal d'interférences, déterminer une matrice de Yule-Walker de blocs pour le signal d'interférences estimé, ainsi que déterminer le sous-espace de signal spatio-temporel complémentaire à partir de la matrice de Yule-Walker de blocs.
Ericsson Canada Patent Group
Telefonaktiebolaget L. M. Ericsson (publ)
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