Design of Mushroom Shaped Dielectric Resonator Antenna for Communication Applications
2020
The use of dielectric resonator antenna (DRA) has gained massive interest in the field of microwave and millimeter-wave applications due to the absence of metal parts, which lead to loss and power dissipation at higher frequencies. This paper has proposed a new mushroom-shaped, 2.4GHz dielectric resonator antenna having higher impedance bandwidth. This new antenna is designed using a material of dielectric constant near to 10 and can achieve a higher impedance bandwidth of about 71% which is, generally 10% in the case of conventional DRA. The hybrid antenna gain (5dB), higher radiation efficiency, wideband width, and voltage standing wave ratio can make it compatible with customized different applications of communications. The proposed antenna is lighter in weight and also cost-effective. Finite element methods have applied to design the antenna as well as verify the results.
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