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Progress In Electromagnetics Research
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MULTI-FEED DIELECTRIC RESONATOR ANTENNA WITH RECONFIGURABLE RADIATION PATTERN

By H. Fayad and P. Record

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Abstract:
This paper describes a steerable broadband dielectric antenna with 30% fractional bandwidth, operating at 11 GHz. The structure consists of a hollow cylindrical dielectric pellet of permittivity 6 fed by four probes. Two methods are described for beam forming: 1- Beam forming has been achieved by individually switching between excited probes. The switched excitation mechanism provides the antenna with a reconfigurable radiation beam that can be moved in the azimuth plane. 2- Variable phase excitation of several probes. Complete azimuth sweep was demonstrated by both methods, allowing any desired angle of beam directions. Simulation and experimental results are presented to illustrate the advantages of both designs.

Citation: (See works that cites this article)
H. Fayad and P. Record, "Multi-feed dielectric resonator antenna with reconfigurable radiation pattern," Progress In Electromagnetics Research, Vol. 76, 341-356, 2007.
doi:10.2528/PIER07071204
http://www.jpier.org/PIER/pier.php?paper=07071204

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