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Conformal Transmitarray for Scan Loss Mitigation with Thinned Reconfiguration

Hill, T. A., Kelly, J. R., Khalily, M. and Brown, T. W. C. (2019) Conformal Transmitarray for Scan Loss Mitigation with Thinned Reconfiguration In: 2019 13th European Conference on Antennas and Propagation (EuCAP), 31 Mar - 05 Apr 2019, Krakow, Poland.

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Abstract

A conformal transmitarray with thinned control is presented, operating at 28 GHz. Its side panels are rotated to align with the maximum steering angle, increasing the gain and reducing the scan loss. The transmitarray is fed by an 8-element linear phased array antenna. Beam focusing to +/- 53 degrees is demonstrated for two different directions, using combinations of crossed-slot unit cells. A unit cell placement rule is proposed to significantly reduce (i.e. thin) the required number of reconfigurable unit cells. A filling factor of 43% was achieved compared to a fully populated design. This reduces the cost and biasing complexity. By minimising scan loss, this antenna could improve the performance of 5G small-cell access points.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Hill, T. A.t.hill@surrey.ac.uk
Kelly, J. R.
Khalily, M.m.khalily@surrey.ac.uk
Brown, T. W. C.T.Brown@surrey.ac.uk
Date : 31 March 2019
Funders : Engineering and Physical Sciences Research Council (EPSRC)
DOI : 10.13140/RG.2.2.31256.03844
Grant Title : MILLIBAN project
Copyright Disclaimer : © 2019 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.
Uncontrolled Keywords : Phase shifting surface; Active radome; Millimeter wave antennas
Related URLs :
Depositing User : Clive Harris
Date Deposited : 01 Feb 2019 08:47
Last Modified : 08 May 2019 12:13
URI: http://epubs.surrey.ac.uk/id/eprint/850340

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