Transmitting device, and transmitting method

Details Transmitting device, and transmitting method Transmitting device, and transmitting method

H - Electricity

04

J

H04J 11/00 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2637591

A transmitting device of the OFDM type comprises means for creating a unicast channel, means for creating an MBMS channel, means for time-multiplexing the unicast channel and the MBMS channel with a common frequency band, and means for sending a time-multiplexed transmission symbol. The guard interval length for the MBMS channel is set larger than the guard interval length for the unicast channel.

L'invention concerne un dispositif d'émission du type OFDM qui comprend des moyens permettant de former une voie d'unidiffusion, des moyens permettant de former une voie MBMS, des moyens permettant de multiplexer dans le temps la voie d'unidiffusion et la voie MBMS avec une bande de fréquence commune, et des moyens permettant d'envoyer un symbole de transmission multiplexé dans le temps. La longueur de l'intervalle de garde pour la voie MBMS est fixée de manière à être supérieure à celle de la voie d'unidiffusion.

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