Broadcast receiver and method of processing data

H - Electricity – 04 – N

Patent

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Details

H04N 7/015 (2006.01)

Patent

CA 2692003

A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a signal receiving unit, a known sequence detector, and a channel equalizer. The signal receiving unit repeats, when an operating mode of the broadcast receiver has been switched to a Discontinuous Receive (DRx) mode, preset wake-up and sleep sections, and receives a broadcast signal containing main broadcast service and mobile broadcast service data in the wake-up section. The known sequence detector detects known data included in the received broadcast signal. The channel equalizer uses the detected known data, thereby channel-equalizing the received mobile broadcast service data.

L'invention porte sur un récepteur de diffusion et sur un procédé de traitement de données. Le récepteur de diffusion comprend une unité de réception de signal, un détecteur de séquence connue et un égaliseur de canal. L'unité de réception de signal répète, lorsqu'un mode de fonctionnement du récepteur de diffusion a été commuté sur un mode de réception discontinue (DRx), des sections de réveil et de veille prédéfinies, et reçoit un signal de diffusion contenant un service de diffusion principale et des données de service de diffusion mobile dans la section de réveil. Le détecteur de séquence connue détecte des données connues comprises dans le signal de diffusion reçu. L'égaliseur de canal utilise les données connues détectées, permettant ainsi d'égaliser sur le canal les données de service de diffusion mobile reçues.

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