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A New Study to Suppress Mutual-Coupling Between Waveguide Slot Array Antennas Based on Metasurface Bulkhead for MIMO Systems

Alibakhshikenari, Mohammad, Virdee, Bal Singh, Khalily, Mohsen, See, Chan Hwang, Abd-Alharueed, Raed, Falcone, Francisco and Limiti, Ernesto (2019) A New Study to Suppress Mutual-Coupling Between Waveguide Slot Array Antennas Based on Metasurface Bulkhead for MIMO Systems In: 2018 Asia-Pacific Microwave Conference (APMC), 06-09 Nov 2018, Kyoto, Japan.

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Abstract

In this paper, a new method is proposed to reduce mutual coupling between waveguide slot array (WSA) antennas based on metasurface technology. This is achieved by placing a metasurface bulkhead between the two WSA antennas. Performance of the dual-waveguide antenna structure is shown to substantially enhance when compared against an identical reference WSA antenna with no metasurface. WSA antennas used in the study has dimensions 40×20×5mm3 and operates over 1.7-3.66 GHz, which corresponds to a fractional bandwidth of 73.13%. The average isolation of the reference WSA antennas is -20 dB; however, with a metasurface bulkhead the isolation is shown to increase to -36.5 dB. In addition, the bandwidth extends by ~10%, and the gain improves by 14.66%. The proposed method is should find application in MIMO systems where high isolation between neighbouring radiation elements is required to improve the antenna characteristics, and mimimise array phase errors, which is necessary to enhance the system performance.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Alibakhshikenari, Mohammad
Virdee, Bal Singh
Khalily, Mohsenm.khalily@surrey.ac.uk
See, Chan Hwang
Abd-Alharueed, Raed
Falcone, Francisco
Limiti, Ernesto
Date : 17 January 2019
Funders : Engineering and Physical Sciences Research Council (EPSRC)
DOI : 10.23919/APMC.2018.8617287
Copyright Disclaimer : © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Related URLs :
Depositing User : Clive Harris
Date Deposited : 04 Feb 2019 10:38
Last Modified : 04 Feb 2019 10:38
URI: http://epubs.surrey.ac.uk/id/eprint/850351

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