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PIER PIER B PIER C PIER M PIER Letters
2013-05-30
A Leaky Wave Slot Antenna Array Using Single Metal Layer with Azimuthally Omnidirectional Pattern
By
Yue Li,

    Dr. Yue Li

    Tsinghua University

    China

    Homepage

Zhijun Zhang,

    Prof. Zhijun Zhang

    Department of Electronic Engineering

    Tsinghua University

    China

    Homepage

Zhenghe Feng

    Dr. Zhenghe Feng

    Tsinghua University

    China

    Homepage

Progress In Electromagnetics Research, Vol. 140, 199-212, 2013
doi:10.2528/PIER13033103
Abstract
This paper proposes a leaky wave slot antenna array for azimuthally omnidirectional coverage. Slot elements were arranged in cascade and series-fed by a coplanar waveguide (CPW). The most important novelty of this paper is that the whole array, including all the radiating elements and feeding structures, was arranged on a single metal layer. This simple structure has the merits of easy fabrication and low cost, especially at higher frequencies, such as millimeter wave band. Moreover, the proposed antenna array was folded around a center-hollowed columnar substrate to achieve omnidirectional radiation pattern in the azimuthal plane, with the gain variation less than 1.1 dB, which is similar to previous omnidirectional antenna array. In this paper, a prototype of the proposed antenna array at 2.3 GHz was built and tested to validate the design strategy. The measured results, including S parameters, radiation patterns, and gain, were found to agree well with the simulation ones.
Citation
Yue Li, Zhijun Zhang, and Zhenghe Feng, "A Leaky Wave Slot Antenna Array Using Single Metal Layer with Azimuthally Omnidirectional Pattern," Progress In Electromagnetics Research, Vol. 140, 199-212, 2013.
doi:10.2528/PIER13033103
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