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Title: Half Cylindrical Dielectric Resonator Antenna for Dual Band Applications
Authors: Parmar, K
Kumari, R
Behera, S K
Keywords: Half cylindrical Dielectric resonator antenna (DRA),
Conformal patch feed,
Issue Date: 2011
Citation: International Symposium on Devices MEMS Intelligent Systems Communication (ISDMISC), Sikkim, 12-14, April 2011
Abstract: A dual-band half cylindrical dielectric resonator antenna is proposed in this paper for the 3.4/5.5 GHz. The proposed antenna consists of half circular cylindrical DR mounted on a finite ground plane. The designed DRA is excited by conformal patch connected to microstrip feed line which is an effective feed mechanism to obtain dual-band operation. The introduction of conformal patch with microstrip line can improve the impedance bandwidth of the antenna significantly. The Simulation process was done by using a CST microwave studio suiteTM2010. Parametric study is carried out by varying the height of the half circular dielectric resonator and height of the conformal patch. The simulated results show that it has a better resonant frequency for DR height, hd =5 mm with patch height hc=4.95 mm. The maximum peak gain achieved is 9.33 dBi and directivity varies from 3.71dBi to 5.61dBi at 3.43 GHz to 5.5 GHz respectively. The proposed design can use for WiMAX (worldwide interoperability for microwave access) applications which operate at 3.5 GHz and 5.5 GHz. With these features, this design of half circular DRA is suitable for dual-band wireless communication system.
ISSN: 0975 – 8887
Appears in Collections:Conference Papers

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