A network entry procedure in multi-channel mobile networks

H - Electricity – 04 – W

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H04W 48/18 (2009.01) H04W 36/30 (2009.01)

Patent

CA 2745393

A technique for network entry in multi-channel mobile systems is described. The procedure utilizes the channel specific information sent in the beacon of each channel to select a subset of suitable channels. It then proceeds to scan these channels to gather information on perceived interference and received signal strength. Based on collected information the device picks the most suitable channel for joining the network. Since the channels to be scanned are pre-selected based on information seen in the beacon, the overall scan latency is reduced, thereby leading to a faster and more successful network entry.

L'invention concerne une technique pour une entrée de réseau dans des systèmes mobiles multicanaux. La procédure utilise des informations spécifiques au canal envoyées dans la radiobalise de chaque canal pour sélectionner un sous-ensemble de canaux adéquats. Elle se poursuit ensuite pour balayer ces canaux afin de rassembler des informations sur les interférences perçues et l'intensité du signal reçu. En fonction des informations collectées, le dispositif choisit le canal le plus adéquat pour rejoindre le réseau. Étant donné que les canaux à balayer sont présélectionnés en fonction des informations vues dans la radiobalise, la latence de balayage générale est réduite, ce qui aboutit à une entrée de réseau plus rapide et mieux réussie.

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