Abstract
In this paper an Embedded Dielectric Resonator Antenna (EDRA) excited by a micro-strip line is designed and investigated. This novel design consists of a 50×50 mm2 substrate with permittivity e_s equals to 4.5 (Roger TMM 4 ™). Main radiating structure is made up of Roger RT Duroid 6010/6010 LM (tm), permittivity e_r= 10.2 and loss tangent of 0.0025 having dimension0.21λ×0.73λ×0.57λ at 12.4 GHz. The proposed antenna has radiation efficiency of 90.51% with peak gain of 6 dB at 11 GHz. This antenna shows maximum return loss of 33.03 dB at 12.48 GHz with stable impedance bandwidth of 12.98%. This proposed antenna is suitable for vehicular radar system, imaging and modern wireless communication system.
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