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New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle

Alibakhshikenari, Mohammad, Virdee, Bal Singh, Khalily, Mohsen, See, Chan Hwang, Abd-Alhameed, Raed, Falcone, Francisco and Limiti, Ernesto (2019) New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle In: 2018 Asia-Pacific Microwave Conference (APMC), 06-09 Nov 2018, Kyoto, Japan.

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Abstract

In this work it is demonstrated that substrate integrated waveguide longitudinal slotted array antenna (SIWLSAA) which is loaded with metal fences exhibits high-isolation across VHF/UHF bands. A reference SIWLSAA used for comparison purpose comprises of 3×63×6 slotted arrays constructed on the top and bottom sides of the FR-4 lossy substrate has maximum isolation of −63 dB between its radiation slots. Improvement in isolation is demonstrated using a simple new technique based on inserting a metal fence between each row of slot arrays. The resulting isolation is shown to be is better than −83 dB across 200 MHz to 1.0 GHz with gain greater than 1.5 dBi., and side-lobe level less than - 40 dB. The proposed SIWLSAA is compact and has dimensions of 40×10×540×10×5mm3 (0.026λ0×0.006λ0×0.002λ0) where λ0 is 200 MHz. The proposed structure should find application in multiple-input multiple-output (MIMO) and radar systems.

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-Alhameed, Raed
Falcone, Francisco
Limiti, Ernesto
Date : 17 January 2019
Funders : Engineering and Physical Sciences Research Council (EPSRC)
DOI : 10.23919/APMC.2018.8617580
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 11:38
Last Modified : 04 Feb 2019 11:38
URI: http://epubs.surrey.ac.uk/id/eprint/850352

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