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

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4 Author(s)
D. Guha ; Inst. of Radio Phys. & Electron., Univ. of Calcutta, Kolkata ; S. Biswas ; T. Joseph ; M. T. Sebastian

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.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 14 )