Method for performing wireless switching

Details Method for performing wireless switching Method for performing wireless switching

G - Physics

06

F

G06F 15/177 (2006.01) G06F 15/173 (2006.01) H04J 1/00 (2006.01) H04L 12/28 (2006.01) H04L 12/56 (2006.01) H04B 1/713 (2006.01) H04Q 7/00 (2006.01) H04Q 7/20 (2006.01)

Patent

CA 2491631

A wireless LAN (WLAN) system for communications among a plurality of users (101-105) within a basic service system or cell comprising a switching access point (SAP) (106) for transmitting (116) and receiving (118) point-to- multipoint communications to and from the users. A plurality of ports are available at the SAP, each of which assigned to a unique carrier frequency for isolating communications among the users to prevent collisions, with the ability of frequency assignment to be non-permanent, and a capability of dynamic or pseudo-random carrier assignment. An alternative embodiment of the SAP uses beamforming to provide spatial ports for assignments to the plurality of users.

L'invention concerne un système de réseau local sans fil (WLAN) assurant des communications entre plusieurs utilisateurs (101-105) dans un système ou une cellule de fourniture de services de base comprenant un point d'accès de commutation (SAP) (106) pour transmettre (116) et recevoir (118) des communications point à multipoints à destination ou en provenance d'utilisateurs. Plusieurs ports sont disponibles au niveau du SAP. Une seule fréquence porteuse est assignée à chaque port pour isoler les communications des utilisateurs et éviter les collisions. Cette assignation de fréquence peut être temporaire ou une assignation à une porteuse dynamique ou pseudo-aléatoire. Un mode de réalisation variant du SAP utilise une mise en forme du faisceau pour fournir des ports spatiaux destinés à être attribués à plusieurs utilisateurs.

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