Design of Rectangular Dielectric Resonator Antenna for Mobile Wireless Application


  • Chaitanya Bethala EECE Department, GITAM University, Hyderabad 502329, Telangana, India
  • Manjunatha Chari Kamsali EECE Department, GITAM University, Hyderabad 502329, Telangana, India


GPS, ISM, mobile, rectangular DRA, RT5780, wireless application, WLAN


In this article, a pentaband rectangular DRA is explored and presented. The proposed antenna has a crescent-shaped radiating element with defected ground structure and it is feed by 50‐Ω microstrip line. The RDRA invariably has two similar dielectric resonators made up of RT5870 is positioned on top of the crescentshaped patch. With the use of a dielectric resonator, the proposed structure has good improvement in impedance bandwidth and gain. The proposed rectangular DRA has penta operating frequency bands with resonant frequency at 1.49 GHz, 2.00 GHz, 2.50 GHz, 5.49 GHz, and 7.75 GHz. The projected structure exhibits the broadside radiation pattern with the maximum gain and directivity of 4 dBi and 4.5 dBi, respectively. The gig of the projected RDRA is validated with the help of simulated results by CST software. The observed results of the proposed antenna indicate that it can be a potential candidate for GPS, PCS, UMTS, ISM, WLAN, Wi-MAX applications.

Author Biographies

Chaitanya Bethala, EECE Department, GITAM University, Hyderabad 502329, Telangana, India

Chaitanya Bethala, Department of Electrical, Electronics & Communication Engineering, GITAM School of Technology, Hyderabad Campus, completed M.Tech. (Microwave Engineering). Presently is working as Assistant Professor in Electrical Electronics & Communication Engineering Department, School of Technology, GITAM (Deemed to be University) Hyderabad, Telangana, Telangana.

Manjunatha Chari Kamsali, EECE Department, GITAM University, Hyderabad 502329, Telangana, India

Manjunatha Chari Kamsali received his Ph.D from JNT University, Kakinada. He has 20 years teaching experience and 3 years of industry experience. At present, is working as Professor at Department of Electrical, Electronics & Communication Engineering, School of Technology, GITAM (Deemed to be University), Hyderabad, Telangana. He has published more than 50 research articles in reputed journals.


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