Wireless transmission method, wireless transmission system,...

H - Electricity – 04 – J

Patent

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H04J 11/00 (2006.01) H04J 1/00 (2006.01)

Patent

CA 2756383

In a wireless transmission system that transmits and receives a modulated signal between a transmitter and a receiver that are coupled through a wireless transmission path, the transmitter includes a spectrum division filter bank dividing the modulated signal and generating a plurality of sub-spectrum signals each of which is arranged at a predetermined frequency position, and subjects the plurality of sub-spectrum signals arranged in spectra to a direct spectrum division transmission, and the receiver includes a spectrum combination filter bank extracting the plurality of sub-spectrum signals from the received signals arranged in spectra and subjected to the direct spectrum division transmission to combine the sub-spectrum signals into an original modulated signal.

Cette invention se rapporte à un système de transmission sans fil qui émet et reçoit des signaux modulés entre un appareil d'émission et un appareil de réception connectés par l'intermédiaire d'un chemin de transmission sans fil ; l'appareil d'émission étant doté d'un ensemble de filtres de décomposition de bande destinés à diviser un signal modulé en bandes de manière à générer une pluralité de signaux sous-modulés, chacun d'eux se situant à une position de fréquence prédéterminée et émet la pluralité de signaux sous-modulés dispersés dans les bandes ; et l'appareil de réception étant doté d'un ensemble de filtres de synthèse de bande destinés à extraire la pluralité de signaux sous-modulés à partir des signaux de réception émis dispersés dans les bandes et combine les signaux de manière à obtenir le signal modulé original.

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