Wireless communication system and lift system having the same

Details Wireless communication system and lift system having the same Wireless communication system and lift system having the same

H - Electricity

04

W

H04W 16/26 (2009.01) H04W 88/16 (2009.01)

Patent

CA 2550815

A wireless communication system for providing a radio frequency (RF) link between an enclosed environment that is at least substantially shielded from RF signals, and the outside of the enclosed environment is disclosed. The wireless communication system includes at least one gateway antenna arranged at an entrance point of the enclosed environment. The gateway antenna radiates downlink RF signals into and receives uplink RF signals from, the enclosed environment, respectively. The system also includes at least one auxiliary repeater arranged within the enclosed environment, a donor antenna and a server antenna. Both the donor and the server antenna are coupled to the auxiliary repeater. The auxiliary repeater relays the downlink and the uplink RF signals using the donor antenna and the server antenna. A lift system including the wireless communication system is also disclosed.

L'invention concerne un système de communication sans fil pour assurer une liaison radiofréquence (RF) entre un environnement clos, sensiblement protégé des signaux RF, et l'extérieur dudit environnement clos. Ledit système de communication sans fil comprend au moins une antenne passerelle montée en un point d'entrée de l'environnement clos. L'antenne passerelle émet de manière descente des signaux RF dans l'environnement clos et reçoit de manière ascendante des signaux RF provenant de l'environnement clos, respectivement. Ledit système comprend également au moins un répétiteur auxiliaire disposé dans l'environnement clos, une antenne émettrice et une antenne serveur. L'antenne émettrice et l'antenne serveur sont couplées au répétiteur auxiliaire. Le répétiteur auxiliaire retransmet les signaux RF sens descendant et les signaux RF sens ascendant à l'aide de l'antenne émettrice et de l'antenne serveur. L'invention concerne également un système d'ascenseur comprenant ledit système de communication sans fil.

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