Radio communication apparatus and radio communication method

H - Electricity – 04 – B

Patent

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Details

H04B 7/212 (2006.01) H04J 3/06 (2006.01) H04B 1/69 (2006.01) H04B 1/707 (2006.01) H04J 13/02 (2006.01) H04J 13/00 (2006.01)

Patent

CA 2268975

The radio communication apparatus (10) comprises a buffer (14) which temporarily stores data to be sent, a transmission/receiving circuit (12) having a data transmission circuit (30) and a data receiving circuit (40). The data transmission circuit (30) includes an input processor (41) which generates, when transmitting the data, a preamble to output it to a QPSK modulator (42), thereafter reads from the buffer (14) a data row of 256 bits and outputs it to the QPSK modulator (42). Accordingly, the transmission circuit (30) is constituted such that the data sets each including the preamble and the data row are repeatedly transmitted. On the other hand, the receiving circuit (40) includes a DMF (86) which accomplishes acquisition using a portion in the received data corresponding to the preamble.

L'invention concerne un équipement (10) de radiocommunication comprenant un tampon (14) qui mémorise temporairement les données devant être émises, et un circuit (12) d'émission-réception comprenant un circuit (30) d'émission de données et un circuit (40) de réception de données. Le circuit (30)d'émission comprend en outre un processeur (41) d'entrée qui établit un préambule et envoie le préambule achevé à un modulateur (42) MDPQ au moment d'émettre les données, puis après que le préambule a été envoyé, extrait des trains de données de 256-bits du tampon (14) et envoie successivement ces trains de données au modulateur (42). Le circuit (30) d'émission est ainsi conçu pour émettre de manière répétée des ensembles de données composés de préambules et de trains de données. Le circuit (40) récepteur comprend en outre un filtre (86) numérique adapté qui utilise la partie correspondant au préambule des signaux reçus pour réaliser une acquisition synchrone.

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