A filter co-processor

Details A filter co-processor A filter co-processor

H - Electricity

03

H

H03H 7/30 (2006.01) H04L 27/06 (2006.01) H04L 27/14 (2006.01) H04L 27/22 (2006.01)

Patent

CA 2238299

A filter co-processor (103, 109 and 109 fig.) within a Digital Signal Processor (DSP) takes advantage of the orthogonal nature of modulated signals during the equalization process. Since, after reception, only certain real/imaginary values of the received signals (112) are useful for demodulation, the filter co-processor only processes those values to estimate the transmitted signal. By processing only those values for demodulation, the filter co-processor is able to process information in a given amount of time, leading to increased processing when compared to the prior art.

Un coprocesseur de filtrage (103, 109 et 109 fig.) prévu dans un processeur de signaux numériques (DSP), exploite la nature orthogonale des signaux modulés pendant le processus d'égalisation: Etant donnée, qu'après réception, seulement certaines valeurs réelles/imaginaires des signaux reçus (112) sont utiles pour la démodulation, le coprocesseur de filtrage ne traite que ces valeurs pour estimer le signal émis. En ne traitant que ces valeurs pour la démodulation, le coprocesseur de filtrage est capable de traiter des informations dans un temps donné, ce qui permet d'assurer un traitement plus performant par rapport à la technique antérieure.

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