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Vol. 17, Special Issue, December 2012, pp. 158-167

 

Selected papers from the 4th International Conference on Intelligent & Advanced Systems (ICIAS' 2012),

12-14 June 2012, Malaysia, Kuala Lumpur

 

Bullet

 

Experimental Study on a Directional Cylindrical Dielectric Resonator Antenna (CDRA) At 5 to 6 GHz
 

*1 M. A. Zakariya, 1 Z. Baharudin, 1 M. H. Md Khir, 1 A. J. Jamali, 2 M. F. Ain, 3 Z. A. Ahmad

1 Electrical and Electronics Engineering Department, UTP, 31750, Tronoh, Perak, Malaysia

2 School of Electrical and Electronic Engineering,

Universiti Sains Malaysia, Nibong Tebal, 14300, Pulau Pinang, Malaysia

3 School of Materials and Mineral Resources Engineering,

Universiti Sains Malaysia, Nibong Tebal, 14300, Pulau Pinang, Malaysia

* Tel.: +6053687815, fax: +6053687443

E-mail: mazman_zakariya@petronas.com.my

 

Received: 29 September 2012   /Accepted: 29 October 2012   /Published: 18 December 2012

Digital Sensors and Sensor Sysstems

 

Abstract: In this paper an experimental study on a directional cylindrical dielectric resonator antenna (CDRA) at 5.8 GHz is discussed and presented. Dielectric resonator (DR) ceramic-base material is investigated in the design and it is found that it improves the antenna performance. The dielectric constant of dielectric resonator palette is 55 and it is fed with a 50 Ω microstrip transmission line. The aperture coupling technique is highlighted in order to improve the performance of the CDRA in terms of their tuning frequencies, impedance bandwidth, radiation pattern and gain. The CDRA measured results are compared with the simulation, by using the 3D microwave simulator, Computer Simulation Technology (CST).

 

Keywords: Dielectric resonator (DR), Dielectric resonator antenna (DRA), Microstrip, Frequency tuning

 

 

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