Method and apparatus for codebook-based precoding in nimo...

Details Method and apparatus for codebook-based precoding in nimo... Method and apparatus for codebook-based precoding in nimo...

H - Electricity

04

B

H04B 7/04 (2006.01) H04B 7/06 (2006.01)

Patent

CA 2755432

A method comprising using a precoding code book for control-ling transmissions from four antennas of a device, said code book comprising a plurality of entries, wherein said entries are such that a single layer is mapped to each selected antenna, said code book entries comprising different antenna pair combinations whereby one or two antenna pairs are selected for transmission.

La présente invention concerne un procédé consistant à utiliser une liste de codage pour le pré-codage afin de commander les émissions à partir de quatre antennes d'un dispositif. Ladite liste de codage comprend une pluralité d'entrées qui sont définies de manière telle qu'une couche unique puisse être mise en correspondance avec chaque antenne sélectionnée. Lesdites entrées de la liste de codage comprennent différentes combinaisons de paires d'antennes, une ou deux paires d'antennes étant sélectionnées pour l'émission.

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