Circularly polarised array antenna with cascade feed network for broadband application in C-band

Karamzadeh, Saeid and Kartal, Mesut and Virdee, Bal Singh and Rafii, Vahid and Ucan, O. N. (2014) Circularly polarised array antenna with cascade feed network for broadband application in C-band. Electronics Letters, 50 (17). pp. 1184-1186. ISSN 0013-5194

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Official URL: http://dx.doi.org/10.1049/el.2014.1147

Abstract

A new configuration of a circularly polarised square slot antenna (CPSSA) array operating in C-band is presented. The array consists of 2 × 2 CPSSA elements and is fed by a novel feeding network consisting of the circuit stripline couplers and delay lines. The proposed feeding technique is applied to the 2 × 2 antenna array to increase the axial ratio (AR) bandwidth. The measured impedance bandwidth for a voltage standing wave ratio (VSWR) <2 is around 78.5% (3.4–7.8 GHz), the 3 dB AR bandwidth is about 35.7% (4.6–6.6 GHz) and the antenna has an average 14.2 dBic gain over the 3 dB AR bandwidth. The measured results corroborate well with the simulated results.

Item Type: Article
Uncontrolled Keywords: antenna feeds; electromagnetic wave polarisation; MIMO communication; waveguide couplers; slot antenna arrays; antenna radiation patterns; delay lines; broadband antennas; network crossover; broadband impedance bandwidth; network couplers; circularly polarised MIMO tapered slot antenna array; delay lines; polarisation diversity; CP multiple input multiple output antipodal TSA; rectangular grid; antipodal tapered slot antenna; dual-port feed network; C-band application; antenna accessories; waveguide and microwave transmission line components; antenna arrays; radio links and equipment
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Related URLs:
Depositing User: Bal Virdee
Date Deposited: 22 Oct 2015 16:36
Last Modified: 10 Oct 2016 15:42
URI: http://repository.londonmet.ac.uk/id/eprint/801

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