Wireless network architecture

H - Electricity – 04 – B

Patent

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Details

H04B 7/005 (2006.01) H04L 12/28 (2006.01) H04L 12/413 (2006.01) H04L 12/56 (2006.01) H04Q 7/00 (2006.01) H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2516732

The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically choose a channel such that channel usage is optimized. Furthermore, APs can perform automatic power adjustment so that multiple APs can operate on the same channel while minimizing interference with each other. Wireless stations are load balanced across AN so that user bandwidth is optimized. A movement detection scheme provides seamless roaming of stations between APs.

L'invention concerne l'amélioration de la performance et de la facilité de gestion des environnements de communication sans fil, par un mécanisme qui permet aux points d'accès d'assurer la sélection de canal automatique. On peut ainsi établir plusieurs points d'accès sur un réseau sans fil, chacun de ces points choisissant automatiquement un canal de manière à optimiser l'utilisation des canaux. De plus, les points d'accès assurent un réglage de puissance automatique, et plusieurs points d'accès peuvent fonctionner sur le même canal tout en réduisant au minimum les brouillages mutuels. Les stations sans fil font l'objet d'un équilibrage de charge entre les points d'accès, de manière à optimiser la largeur de bande d'utilisateur. Un système de détection de mouvement assure la recherche en continu des stations entre points d'accès.

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