Apparatus and method for encoding/decoding space time block...

H - Electricity – 04 – B

Patent

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H04B 7/04 (2006.01)

Patent

CA 2557736

Disclosed is an apparatus and method for encoding/decoding a space time block code in a mobile communication system using a multiple input multiple output scheme. In a transmitter employing a plurality of transmit antennas in the mobile communication system, if a signal to be transmitted is input, the transmit signal is pre-encoded according to a preset coding scheme, the pre- encoded signal is space-time mapped according to a number of the transmit antennas to employ a preset space time block coding scheme, and the space-time mapped signal is transmitted through the transmit antennas by applying the preset space time block coding scheme to the space-time mapped signal.

Cette invention se rapporte à un appareil et à un procédé servant au codage/décodage d'un code de bloc d'espace-temps dans un système de communication mobile utilisant un schéma d'entrées et de sorties multiples. Dans un émetteur utilisant plusieurs antennes de transmission dans ce système de communication mobile, lorsqu'un signal à transmettre est introduit, le signal de transmission est préalablement codé en fonction d'un schéma de codage préétabli, le signal préalablement codé est soumis à un mappage espace-temps en fonction du nombre des antennes de transmission, en vue d'utiliser un schéma de codage de bloc espace-temps préétabli, et le signal soumis à mappage espace-temps est transmis par les antennes de transmission en appliquant le schéma de codage de bloc espace-temps préétabli au signal soumis à mappage espace-temps.

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