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Radiation pattern measurement of a low-profile wearable antenna using an optical fibre and a solid anthropomorphic phantom.

Loh, T H; Cheadle, D*; Rosenfeld, L* (2014) Radiation pattern measurement of a low-profile wearable antenna using an optical fibre and a solid anthropomorphic phantom. Electronics, 3 (3). pp. 462-473.

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Abstract

This paper presents a study into radiation pattern measurements of an electrically small dielectric resonator antenna (DRA) operating between 2.4 and 2.5 GHz for the industrial, scientific and medical (ISM) radio band body-centric wireless communication applications. To eliminate the distortion associated with the unwanted radiation from a coaxial cable we have replaced it with a fibre optic feed, namely, an electro-optical (EO) transducer. The optical signal is then converted back to RF using an Opto-Electric Field Sensor (OEFS) system. To ensure repeatability of traceable measurements of the radiation pattern performance of the wearable antenna a solid dummy human phantom is employed. Furthermore, to illustrate the benefits of the method, the numerical simulations of the co-polar and cross-polar H-plane radiation patterns are compared with the measured results obtained using (i) an EO transducer and (ii) a coaxial cable.

Item Type: Article
Subjects: Electromagnetics
Electromagnetics > Wireless Communications
Identification number/DOI: 10.3390/electronics3030462
Last Modified: 02 Feb 2018 13:13
URI: http://eprintspublications.npl.co.uk/id/eprint/6438

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