A Hybrid Rectangular Dielectric Resonator Antenna with slot for WBAN Applications

Abstract

Abstract-Hybrid double frequency antennas are in huge requirement because of fast advancement of the recent wireless communications towards the body area networks applications. Therefore in this paper, a compact hybrid dielectric resonator antenna with a slot sustained by a microstrip line that is feasible for wireless body area network is investigated. In this model, the dielectric resonator performs the functions of an effective radiator along with the feeding structure and the slot in the ground plane. By varying the structural parameters, the antenna is built to oscillate at two different frequencies; one is from the dielectric resonator antenna (DRA) and the other from the slot. The structure has a dielectric resonator with the resonant frequency of 2.4 GHz (Industrial, Scientific and Medical) and a parasitic slot with a resonant frequency of 403 MHz (Medical Implantable Communication Service). The physical and geometrical parameters of these resonators are resonating to attain the required performance parameters. In order to the performance of the investigated antenna, functional parameters such as return loss, bandwidth, voltage standing wave ratio (VSWR), and radiation pattern are intended by the simulation of the structure with high frequency structure simulator (HFSS).