A channel selection method of a wireless communication system

Details A channel selection method of a wireless communication system A channel selection method of a wireless communication system

H - Electricity

04

L

H04L 12/28 (2006.01) H04Q 7/38 (2006.01) H04Q 7/32 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2244334

To provide a channel selection method of a wireless communication system which enables a wireless station to select a wireless channel dynamically even when there are but an insufficient number of wireless channels, a channel selection method of selecting a wireless channel from a plurality of wireless channels prepared for the wireless communication system comprises: a channel search step (202) of checking whether any one of the plurality of wireless channels is left unused by other wireless stations of the wireless communication system or not; a sharing channel selection step (207) of selecting a wireless channel to be shared from wireless channels under use of the other wireless stations, said sharing channel selection step being performed when every of the plurality of wireless channels is found (205) to be under use of one of the other wireless stations at the channel search step; and a link establishment step of establishing the wireless link by sharing the wireless channel selected at the sharing channel selection step.

Méthode de sélection de canal pour système de communication sans fil, permettant à une station sans fil de sélectionner un canal sans fil dynamiquement, même lorsque les canaux sans fil sont en nombre insuffisant, la sélection se faisant parmi un certain nombre de canaux sans fil prévus pour le système de communication sans fil. La méthode comprend les étapes suivantes : rechercher un canal (202) en vérifiant s'il y a un des canaux sans fil qui n'est pas utilisé par les autres stations sans fil du système; sélectionner un canal sans fil (207) commun parmi les canaux sans fil occupés par les autres stations sans fil, cela après avoir établi (205) que chacun des canaux sans fil était occupé par une des autres stations sans fil à l'étape de la recherche d'un canal; et établir la liaison sans fil en partageant le canal sans fil sélectionné à l'étape de la sélection de canal.

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