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Title: Beam-switching planar parasitic antenna array
Authors: Imran, Zohaib
Panagamuwa, C.J.
Keywords: Antennas
PIN diode
Yagi-Uda antenna
Issue Date: 2014
Publisher: © IEEE
Citation: IMRAN, Z. and PANAGAMUWA, C., 2014. Beam-switching planar parasitic antenna array. IN: Proceedings of 2014 IEEE Loughborough Antennas and Propagation Conference (LAPC 2014), Loughborough, Great Britain, 10-11 November 2014, pp.160-164.
Abstract: This paper presents a planar parasitic antenna array that achieves beam switching operation by using the Yagi-Uda principle. The treatment of the Yagi-Uda principle in this paper employs closely-spaced directors as opposed to the traditional inter-director spacing, and this shows advantages in terms of the front-to-back ratio (F/B) and size. The beam switching has been realized in 3 principal beam directions through the selective switching of 4 PIN Diodes on the antenna structure. A fully functional antenna using PIN Diodes with an optimized biasing line arrangement and circuitry has been fabricated, and the results obtained through measurement show good agreement with simulation results. The antenna shows good impedance match and beam-switching characteristics in the Wi-Fi frequency band, opening up the possibility of the antenna's use in practical applications.
Description: © 2014 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.
Version: Accepted for publication
DOI: 10.1109/LAPC.2014.6996346
URI: https://dspace.lboro.ac.uk/2134/22686
Publisher Link: http://dx.doi.org/10.1109/LAPC.2014.6996346
ISBN: 9781479936625
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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