Defected ground structure to reduce mutual coupling between cylindrical dielectric resonator antennas

Guha, D. ; Biswas, S. ; Joseph, T. ; Sebastian, M.T. (2008) Defected ground structure to reduce mutual coupling between cylindrical dielectric resonator antennas IEE Electronics Letters, 44 (14). p. 836. ISSN 0013-5194

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Official URL: http://doi.org/10.1049/el:20081189

Related URL: http://dx.doi.org/10.1049/el:20081189

Abstract

Use of a simple ring-shaped defected ground structure is experimentally demonstrated to suppress considerable mutual coupling between two cylindrical dielectric resonators. About 5 dB suppression has been obtained near the operating frequency around 3.3 GHz. The radiation characteristics with and without defect in the ground plane are also reported.

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