Non-zero complex weighted space-time code for multiple...

H - Electricity – 04 – B

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H04B 7/06 (2006.01) H03M 13/05 (2006.01) H04J 11/00 (2006.01) H04L 1/06 (2006.01) H04B 1/69 (2006.01)

Patent

CA 2440033

The present invention presents a method and apparatus for phase hopping and space-time coding signals for transmission on multiple antennas (160,162,164,166). The method and apparatus provides expansion of a N x N' space time block code to a M x M' space time block code, where M>N, by using phase hopping on the symbols within the N x N' space time block code to allow transmission of the space time block code on a number of diversity antennas greater than N'. A result of M antenna diversity may be achieved for M transmit antennas.

La présente invention concerne un procédé et un système de pondération complexe non nulle et de codage spatio-temporel de signaux destinés à une transmission sur des antennes à usage multiple (160,162,164,166). Le procédé et le système de l'invention effectuent l'extension d'un code de bloc spatio-temporel N x N' à un code de bloc spatio-temporel M x M' (M>N) en utilisant une pondération complexe non nulle des symboles intégrés au code de bloc spatio-temporel N x N' afin d'assurer la transmission du code de bloc spatio-temporel à un nombre d'antennes à réception simultanée supérieur à N'. Un résultat de M antennes à réception simultanée peut être obtenu pour M antennes d'émission.

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