Stop-band characterization of an isolated DGS for reducing mutual coupling between adjacent antenna elements and experimental verification for dielectric resonator antenna array

Authors:  Sujoy Biswas, Debatosh Guha

Abstract:
A new technique to characterize an isolated defected ground structure (DGS) is explored. The technique is used to optimize the dimensions of a compact partial-ring DGS to suppress mutual coupling between two E-plane coupled cylindrical dielectric resonator antennas. The optimized design is verified experimentally using a set of fabricated prototypes operating in S-band. A suppression up to 6–7 dB, showing good agreement with the predicted values, is experimentally demonstrated.

Keywords:
Defected ground structure
Dielectric resonator antenna
Mutual coupling

Published in: AEÜ-International Journal of Electronics and Communications (Volume 67, Issue 4, April 2013)

Publisher: Elsevier

ISSN Information: 1434-8411

Stop-band characterization of an isolated DGS for reducing mutual coupling between adjacent antenna elements and experimental verification for dielectric resonator antenna array

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