A method of transmitting using phase shift-based precoding...

H - Electricity – 04 – L

Patent

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Details

H04L 27/32 (2006.01) H04B 7/04 (2006.01)

Patent

CA 2662598

A method of transmitting data using a plurality of subcarriers in a multi-antenna wireless communication system is disclosed. More specifically, the method includes receiving feedback information from a mobile station (MS), performing channel encoding and modulation independently on user data to be transmitted by each antenna using the received feedback information, determining a phase shift-based precoding matrix for increasing a phase angle of the user data by a fixed amount, and performing precoding using the determined phase shift-based precoding matrix on the user data.

La présente invention concerne un procédé d'émission de données au moyen d'une pluralité de sous-porteuses dans un système de radiocommunication multi-antenne. En l'occurrence, le procédé consiste à recevoir de l'information en retour d'une station mobile (MS), à effectuer un codage canal et une modulation canal indépendamment l'un de l'autre sur les données utilisateur à émettre par chaque antenne en utilisant l'information reçue en retour, à déterminer une matrice de précodage à base de déphasage pour augmenter d'une quantité fixe l'angle de phase des données utilisateur, et à exécuter le précodage des données utilisateur en utilisant telle qu'elle a été déterminée la matrice de précodage à base de déphasage.

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