Experimental Characterization of A Textile Antenna Working at 2.4 GHz

摘要

This paper presents a flexible textile antenna working at 2.4GHz suitable for wireless body area networks. The antenna is composed of leather and copper tape. Such simple structure makes the antenna flexible, cheap and easy to be reproduced. The antenna has been simulated in CST microwave studio. A prototype of the proposed antenna is also fabricated. Numerical and measured results are compared in terms of reflection coefficient. Performances are also evaluated in terms of voltage standing wave ratio, radiation pattern and directivity. The antenna offers a 4.27dB gain with 64.65% radiation efficiency. Performance of the antenna near human body has also been monitored. It is observed that the resonant frequency shifts downward when the antenna is placed on the human body.