Mutual coupling reduction using dumbbell defected ground structure for multiband microstrip antenna array

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50 Citations (Scopus)

Abstract

A novel design of multiband microstrip antenna array with dumbbell shape defected ground structure (DGS) is presented. The DGS is inserted into the ground plane between the two elements of the antenna array in order to suppress mutual coupling. Both simulation and measurement results verified that the DGS improved the radiation properties of the antenna array. Measurement results of the DGS antenna showed mutual coupling reduction of maximum 5 dB and gain enhancement to 3dB.

Original languageEnglish
Pages (from-to)29-40
Number of pages12
JournalProgress In Electromagnetics Research Letters
Volume13
DOIs
Publication statusPublished - 1 Jan 2010

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