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PIER PIER B PIER C PIER M PIER Letters
2007-07-25
Multi-Feed Dielectric Resonator Antenna with Reconfigurable Radiation Pattern
By
Hazem Fayad,

    Dr. Hazem Fayad

    Computer and Electrical Engineering Department

    Heriot-Watt University

    UK

    Homepage

Paul Record

    Dr. Paul Record

    Computer and Electrical Engineering Department

    Heriot-Watt University

    UK

    Homepage

Progress In Electromagnetics Research, Vol. 76, 341-356, 2007
doi:10.2528/PIER07071204
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
Hazem Fayad, and Paul Record, "Multi-Feed Dielectric Resonator Antenna with Reconfigurable Radiation Pattern," Progress In Electromagnetics Research, Vol. 76, 341-356, 2007.
doi:10.2528/PIER07071204
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