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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2019-03-14
Amplitude Control Null Steering in a Multi-Mode Patch Antenna
By
Zabed Iqbal,

    Dr. Zabed Iqbal

    Department of Electrical Engineering

    University of Alabama Huntsville

    USA

    Homepage

Maria Pour

    Professor Maria Pour

    The University of Alabama in Huntsville

    USA

    Homepage

Progress In Electromagnetics Research Letters, Vol. 82, 107-112, 2019
doi:10.2528/PIERL19010710 | Google Scholar

Abstract
A novel null steering method in a multi-mode circular microstrip patch antenna is presented in this letter. A stacked patch configuration, capable of exciting three different radiating modes, namely TM11, TM21, and TM31, is investigated. When two or three modes are excited simultaneously, up to three nulls can be formed in the upper hemisphere, and by tuning the amplitude ratio of these modes, a continuous null steering pattern is realized. It is shown that a full hemispherical null steering of ±90° range can be achieved using the proposed method. The null steering capability with different dielectric permittivities is also presented.
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Citation
Zabed Iqbal, and Maria Pour, "Amplitude Control Null Steering in a Multi-Mode Patch Antenna," Progress In Electromagnetics Research Letters, Vol. 82, 107-112, 2019.
doi:10.2528/PIERL19010710
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