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Title: Mutual Coupling Reduction in C-shaped Dielectric Resonator Antenna array for MIMO Applications
Authors: Kumari, R
Behera, S K
Keywords: Dielectric Resonator Antenna
Mutual Coupling
Microstrip Line feed
Issue Date: Dec-2012
Citation: International Conference IEEE INDICON 2012, Rajagiri School of Engineering & Technology, Cochin, Kerala, 7-9th December 2012
Abstract: A technique to reduce the mutual coupling between two closely spaced dielectric resonator antennas (DRA) is proposed for wireless MIMO applications. The design starts with a miniaturized C-shaped DRA. There is an air gap between the dielectric resonator and finite ground plane. In this proposed antenna, microstrip line feeding is used for easy fabrication. The S-parameter of C-shaped DRA is providing desired frequency of interest at 3.5 GHz and 5.8 GHz, which is suitable for WiMAX applications. An array of two elements Cshaped DRA array has been designed. The approach for reducing the mutual coupling (S21 and S12) in C-shaped DRA array has been presented for MIMO applications. The proposed technique simply reduces the mutual coupling by only reducing the dimension of the ground plane with proper arrangement of array elements. After suitable modification of ground plane, the final simulated result yields better than -30 dB of mutual coupling at resonant frequencies. The Sparameter, gain, directivity, radiation pattern results for Cshaped DRA as well as the S-parameter results for mutual coupling of DRA array are presented here.
Description: Copyright for this paper belongs to proceeding publisher
Appears in Collections:Conference Papers

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