Antenna system for wireless comunication systems

Details Antenna system for wireless comunication systems Antenna system for wireless comunication systems

1998-02-05

1999-03-09

Le, Hoanganh

Communications: radio wave antennas

Antennas

Microstrip

343789, 343872, H01Q 138, H01Q 142

Patent

active

058806954

ABSTRACT:
A repeater station having circularly polarized antennas. A diamond panel antenna and a panel antenna are positioned in a back-to-back relationship. Each antenna is circularly polarized. The antennas use "tunnel technology" for isolating the antennas. A chassis forming a recessed portion is provided. A dielectric board is inserted into the recess. Patch elements mounted on a board are inserted into the recess and connected to the dielectric board. The width of the boards are such that a "tunnel" is formed about the periphery thereof. Absorber material is then inserted into the tunnel around the boards. A radome is placed over the recess enclosing the boards and elements.

REFERENCES:
patent: 5625365 (1997-04-01), Tom et al.
patent: 5757324 (1998-05-01), Helms et al.

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