Methods and systems for background scanning in ofdma mobile...

H - Electricity – 04 – B

Patent

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H04B 1/00 (2006.01)

Patent

CA 2726682

Certain embodiments provide techniques for back- ground scanning in a wireless communication device receiving signals from multiple base stations using a background scanning processor separate from a receive processor. The techniques generally include buffering raw signal data from multiple base stations, forwarding the raw signal data to a receive baseband processor for decoding data from a first one of the base stations that is currently designated as a serving base station with an active connection to the wireless communications device, forwarding the raw signal data to a background scanning pro-cessor, separate from the receive baseband processor, and generating channel characteristics corresponding to the multiple base stations with the background scanning processor without interrupting the exchange of data with the first base station designated as the serving base station.

Selon linvention, certains modes de réalisation portent sur des techniques pour un balayage de fond dans un dispositif de communication sans fil recevant des signaux en provenance de multiples stations de base à l'aide d'un processeur de balayage de fond séparé d'un processeur de réception. Les techniques comprennent généralement la mise en mémoire tampon de données de signal brutes provenant de multiples stations de base, le transfert des données de signal brutes à un processeur en bande de base de réception pour décoder des données provenant d'une première des stations de base qui est actuellement désignée en tant que station de base de desserte avec une connexion active au dispositif de communications sans fil, le transfert des données de signal brutes à un processeur de balayage de fond séparé du processeur en bande de base de réception, et la génération de caractéristiques de canal correspondant aux multiples stations de base avec le processeur de balayage de fond, sans interrompre l'échange de données avec la première station de base désignée en tant que station de base de desserte.

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