Transmitting and receiving method and apparatus for digital...

H - Electricity – 04 – N

Patent

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H04N 7/12 (2006.01)

Patent

CA 2678408

Provided are an apparatus and method for reducing power consumption by selectively turning off frame receiving while undesired service is transmitted. The method includes generating a service frame group including all service frames and designating the frame number for service frames so that a radio frequency (RF) receiving unit operates while receiving the service frames corresponding to a desired service and the power of the RF receiving unit is turned off while the service frames corresponding to an undesired service are transmitted, thereby saving power. In addition, the power of the RF device is continuously turned off during various frames so that the RF device can rest for a longer period of time and thus power saving efficiency is excellent.

La présente invention concerne un appareil et un procédé de réduction de consommation électrique par neutralisation sélective de la réception de trames pendant l'émission d'un service non désiré. Le procédé consiste à générer un groupe de trames de service incluant l'ensemble de trames de service et à désigner des numéros de trames pour les trames de service de façon, d'une part que l'unité de réception radiofréquence fonctionne pendant la réception de trames de service correspondant à un service désiré, et d'autre part que l'alimentation électrique de l'unité de réception radiofréquence soit coupée pendant l'émission des trames de service correspondant à un service non désiré, d'où économie d'électricité. De plus, l'alimentation électrique du dispositif radiofréquence est coupée en continu pendant diverses trames si bien que le dispositif radiofréquence peut être au repos pendant une période de temps plus longue, ce qui donne une excellente efficacité de l'économie d'électricité.

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