Systems and methods for high rate ofdm communications

H - Electricity – 04 – J

Patent

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H04J 3/16 (2006.01)

Patent

CA 2475442

Messages transmitted between a receiver (150) and a transmitter (240) are used to maximize a communication data rate. In particular, a multicarrier modulation system uses messages that are sent from the receiver to the transmitter to exchange one or more sets of optimized communication parameters. The transmitter then stores these communication parameters and when transmitting to that particular receiver, the transmitter utilizes the stored parameters in an effort to maximize the data rate to that receiver. Likewise, when the receiver receives packets from that particular transmitter, the receiver can utilize the stored communication parameters for reception.

Selon l'invention, des messages transmis entre un récepteur (150) et un émetteur (240) sont utilisés pour maximiser un débit binaire de communication. Plus précisément, un système de modulation multiporteuse utilise des messages envoyés à partir du récepteur vers l'émetteur, aux fins d'échange d'un ou de plusieurs ensembles de paramètres de communication optimisés. L'émetteur stocke ensuite ces paramètres de communication et pendant l'émission vers ce récepteur, l'émetteur utilise les paramètres stockés dans le but de maximiser le débit binaire vers ce récepteur. De la même manière, quand le récepteur reçoit des paquets de cet émetteur, le récepteur peut utiliser les paramètres de communication stockés aux fins de réception.

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