Wireless communication method and system for forming...

H - Electricity – 04 – W

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H04W 16/28 (2009.01) H04W 4/22 (2009.01) H04W 88/02 (2009.01)

Patent

CA 2567985

A wireless communication system and method generates and shapes one or more three-dimensional control channel beams for transmitting and receiving signals. Each three-dimensional beam is directed to cover a particular coverage area and beam forming is utilized to adjust bore sight and beam width of the three-dimensional beam in both azimuth and elevation, and the three- dimensional control channel beam is identified. In another embodiment, changes in hot-zones or hot-spots, (i.e., designated high volume user coverage areas), are managed by a network cell base station having at least one antenna. Each of a plurality of wireless transmit/receive units (WTRUs) served by the base station use a formed beam based on one or more beam characteristics. When the coverage area is changed, the base station instructs at least one of the WTRUs to change its beam characteristics such that it forms a return beam concentrated on the antenna of the base station.

La présente invention concerne un système de communication hertzienne et un procédé correspondant, le système produisant et mettant en forme un ou plusieurs faisceau de canal de commande tridimensionnel permettant l'émission et la réception de signaux. Chaque faisceau tridimensionnel est dirigé pour couvrir une zone de couverture particulière et la mise en forme de faisceau est utilisée pour ajuster la ligne de visée et la largeur de faisceau du faisceau tridimensionnel, à la fois à l'horizontale et à la verticale, et le faisceau de canal de commande tridimensionnel est identifié. Dans un autre mode de réalisation, des modifications apportées à des zones chaudes ou points chauds (par ex. les zones de couverture d'utilisation à volume important désignées), sont gérées par une station de base de cellule réseau comprenant au moins une antenne. Chacune des unités d'émission/réception (WTRUs) d'une pluralité desservies par la station de base, se sert d'un faisceau mis en forme sur la base d'une ou plusieurs caractéristiques. Lorsque la zone de couverture est modifiée, la station de base instruit au moins l'une des WTRUs pour qu'elle modifie ses caractéristiques de faisceau pour former un faisceau de retour concentré sur l'antenne de la station de base.

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