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Cylindrical Slot FSS Configuration for Beam-Switching Applications

Liang, Bin, Sanz-Izquierdo, Benito, Parker, Edward A., Batchelor, John C. (2014) Cylindrical Slot FSS Configuration for Beam-Switching Applications. IEEE Transactions on Antennas and Propagation, 63 (1). pp. 166-173. ISSN 0018-926X. E-ISSN 1558-2221. (doi:10.1109/TAP.2014.2367534) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:46473)

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A novel design for a beam-switching antenna using active cylindrical slot frequency selective surface (ACSFSS) is presented. The antenna system is composed of an omnidirectional monopole antenna and the ACSFSS, which employs a new technique of switching slot arrays. The ACSFSS is made up of twelve columns with eight slots each, dividing the cylinder by 30º. To steer the beam of the antenna the diodes are set OFF and ON, so that the radiation pattern of the antenna is determined by the number of OFF state columns. To estimate the general dimension of the cylindrical FSS, an equivalent metallic reflector is introduced

and optimized, and then parametric studies for the unit cell dimensions are discussed. The fabricated prototype works within the WLAN band, centered around 2.45GHz, and can agilely select either a narrow-beam or wide-beam operating mode. Simulation and measurements confirm the operation of the ACSFSS antenna,

with good matching and gain observed. In particular, the narrow-beam mode -3dB beamwidth is 47º which offers enhanced angular resolution compared with other reported beam-sweeping work.

Item Type: Article
DOI/Identification number: 10.1109/TAP.2014.2367534
Uncontrolled keywords: Beam-switching, frequency selective surfaces, slot arrays, beam-sweeping.
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7872.F5 Filters (electric)
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: John Batchelor
Date Deposited: 05 Jan 2015 14:44 UTC
Last Modified: 17 Aug 2022 10:58 UTC
Resource URI: (The current URI for this page, for reference purposes)

University of Kent Author Information

Sanz-Izquierdo, Benito.

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Parker, Edward A..

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Batchelor, John C..

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