Receiver, transmitter, and reception method

H - Electricity – 04 – J

Patent

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Details

H04J 99/00 (2009.01) H04B 7/12 (2006.01) H04J 11/00 (2006.01)

Patent

CA 2575250

It is possible to provide a receiver capable of reducing a calculation load required for separating respective transmission signals received as a reception signal containing a plurality of transmission signals simultaneously transmitted from a plurality of antennas. The receiver includes adaptive array antenna means for receiving transmission signals transmitted from transmission antennas. Each of the transmission signals is distinguished from each other by the positional relationship of a sub-carrier which has been set to a predetermined value before transmission. The receiver further includes: means for calculating a weight coefficient for suppressing the signal component in the sub-carrier set to the predetermined value in the sub-carrier components contained in the reception signal; and means for applying the weight coefficient to the adaptive array antenna means and receiving the transmission signals while distinguishing them from each other.

Il est possible d~obtenir un récepteur capable de réduire une charge de calcul nécessaire pour séparer des signaux de transmission respectifs reçus sous la forme d~un signal de réception contenant une pluralité de signaux de transmission transmis simultanément à partir d~une pluralité d~antennes. Le récepteur comprend des moyens formant antenne réseau adaptative permettant de recevoir des signaux de transmission transmis à partir d~antennes de transmission. Chacun des signaux de transmission est différencié des autres par la relation de position d~une sous-porteuse qui a été paramétrée à une valeur prédéterminée avant transmission. Le récepteur comprend en outre : des moyens de calcul d~un coefficient de pondération permettant de supprimer la composante de signal dans la sous-porteuse paramétrée à la valeur prédéterminée dans les composantes de sous-porteuse se trouvant dans le signal de réception ; et des moyens destinés à appliquer le coefficient de pondération aux moyens formant antenne réseau adaptative et à recevoir les signaux de transmission tout en les différenciant les uns des autres.

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