Communications system comprising an active antenna repeater

Details Communications system comprising an active antenna repeater Communications system comprising an active antenna repeater

H - Electricity

04

B

H04B 7/15 (2006.01) H01Q 1/00 (2006.01) H01Q 3/36 (2006.01) H01Q 3/38 (2006.01) H01Q 23/00 (2006.01)

Patent

CA 2213369

An indoor wireless communications system using two-way active-antenna repeaters to distribute signals received from external signal sources within an office, and to extend the range of cordless phone units in use there, is disclosed. The repeaters provide menu-selectable phase-shifting, selectable receiver sensitivity and transmitter power, and selectable signal format conversion to provide added privacy and to prevent interference with communication links in use by third parties within the building. Pattern selection is done by empirical adjustment of an antenna pattern suited to the general floor plan of the area served.

Un système de communications sans fil intérieur utilisant des répéteurs d'antennes bidirectionnels actifs pour répartir les signaux reçus de sources extérieures dans un bureau et pour étendre la portée des postes téléphoniques sans fil, est présenté. Les répéteurs permettent la sélection par menu du déphasage, de la sensibilité du récepteur et de la puissance de l'émetteur, ainsi que la sélection d'une conversion du format du signal afin d'accroître le secret des communications et de prévenir l'interférence avec les liaisons de communication d'autres exploitants dans l'immeuble. La sélection du diagramme se fait par ajustement empirique d'un diagramme d'antenne adapté au plan d'implantation de la zone desservie.

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