Design of a Low Specific Absorption Rate On-Off Body Circular Slotted Textile Antenna for Medical Applications

Volume 20 No 10 (2022)

Y.E.Vasanth Kumar, ,M.Yasmitha, K.Siva Praveen , M.Bharat , G.Hari Bhargav

DOI: 10.14704/nq.2022.20.10.NQ55847

Abstract

In this work a novel optimized fully flexible textile antenna is proposed with dimensions are 80x80x2 mm3 with conducting fabric as circular radiating element and substrate as denim having permittivity of 1.6 with cavity model formulation for on/off body medical application. The radiating structure consists of a circular patch with multi vertical slots to enhance the bandwidth and the design is inveterate using parametric sweep, which is very much applicable for wireless body area network frequency band at 2.45 GHz with coaxial feeding technique with gain 5.13 dBi and bandwidth of 128 MHz .It is also investigated for on body arm tissue model which is below standard of 1.6 W/Kg as 0.1602 W/Kg for 1gram, 0.07899 W/Kg for 10 gram. All the results are simulated by using the CST tool. The antenna is fabricated and tested using ZVL Network Analyzer for reflection coefficient measurement

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