Abstract
A compact capsule shaped multiband wearable antenna is presented in this paper. The antenna is composed of two nested C elements which operates at WMTS (1.43 GHz), GPS L1 (1.575 GHz), GPS L2 (1.227 GHz), DCS/GSM1800 and UWB (4.4–8.52 GHz) frequency bands. The designed antenna has a compact dimension of 27.11×19.92×0.4 mm3 and is employed on flexible Liquid Crystal Polymer (LCP) substrate. Considering −10dB reflection coefficient, the relative bandwidths for the lower and higher frequency bands are about 50.76% and 62.96% respectively. The performance of the antenna under structural deformation and on-body placement are also analyzed. The compact size, multiband operation, resilient to frequency detuning in on-body configuration with low specific absorption rate make the proposed antenna suitable for the wireless body area network (WBAN) applications.
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