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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2015-08-23
Compact 4-Port ACS-Fed UWB-MIMO Antenna with Shared Radiators
By
Jing-Yi Zhang,

    Dr. Jing-Yi Zhang

    Research Institute of Electronic Science and Technology

    University of Electronic Science and Technology of China

    China

    Homepage

Fan Zhang,

    Dr. Fan Zhang

    Research Institute of Electronic Science and Technology

    University of Electronic Science and Technology of China

    China

    Homepage

Wen-Peng Tian

    Dr. Wen-Peng Tian

    Research Institute of Electronic Science and Technology

    University of Electronic Science and Technology of China

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 55, 81-88, 2015
doi:10.2528/PIERL15062304 | Google Scholar

Abstract
A compact 4-port asymmetric coplanar strip (ACS)-fed MIMO antenna working in the ultra-wideband (UWB) frequency band with two shared radiators is presented in this paper. The proposed antenna is composed of two radiators, and each radiator is shared by two antenna elements in order to achieve a very compact size of 36×36 mm2. By etching two I-shaped slots in the radiators and attaching a rectangular patch on the back, the operating band width is broadened, and the isolation between any two antenna elements is enhanced. The stub of the ground also has great effect on the return loss and isolation. The working frequency band of the MIMO antenna covers 3.1-10.6 GHz with isolation over 15 dB between any two antenna elements. Furthermore, the proposed antenna with a simple feeding structure and compact size makes it possible to be used in portable devices.
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Citation
Jing-Yi Zhang, Fan Zhang, and Wen-Peng Tian, "Compact 4-Port ACS-Fed UWB-MIMO Antenna with Shared Radiators," Progress In Electromagnetics Research Letters, Vol. 55, 81-88, 2015.
doi:10.2528/PIERL15062304
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