Distributed antenna for personal communications system

H - Electricity – 01 – Q

Patent

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Details

H01Q 21/00 (2006.01) H01Q 3/36 (2006.01) H04B 7/26 (2006.01) H04Q 7/20 (2006.01) H04Q 7/26 (2006.01) H04Q 7/30 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2240224

A distributed antenna for use in a digital mobile telephone system includes a set of coaxial cable to couple the RF signals to and from a base station in which at least one set of the transmitter and receiver is transmitting and receiving said RF signals, two mutually isolated amplifiers, two dividers, at least one combiner, and at least one built-in antenna to couple with a subscriber unit(s). A printed wire board is provided to assemble said built-in antenna on one side of said printed wire board, and to assemble other electronic circuits on another side of said printed wire board, and said printed wire board is housed in a plastic case. The distributed antenna provides a small sized and inexpensive antenna solution to spread RF signals to serve a wider serving area.

Réseau d'antenne réparti à utiliser dans un système radiotéléphonique mobile numérique. Le réseau comprend une série de câbles coaxiaux pour coupler les signaux RF à destination et en provenance d'une station de base dans laquelle au moins un émetteur émet des signaux RF ou un récepteur en reçoit . Le réseau comprend également deux amplificateurs mutuellement isolés, deux diviseurs, au moins un combinateur et au moins une antenne incorporée à coupler avec une unité d'un abonné. On peut monter l'antenne incorporée sur une face d'une carte imprimée et les autres circuits électroniques sur l'autre face de la carte. Cette carte est logée dans un boîtier en plastique. Le réseau compact et peu coûteux permet de distribuer les signaux RF afin de desservir une zone plus large.

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