Mutual coupling reduction of microstrip antenna array by periodic defected ground structures

A periodic defected ground structure (DGS) was proposed to reduce mutual coupling between antenna elements in coplanar linear polarization microstrip antenna array. The defected ground structure is three U-shaped elements etched off from ground plane periodically between microstrip antenna elements....

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Bibliographic Details
Published in2016 IEEE 5th Asia-Pacific Conference on Antennas and Propagation (APCAP) pp. 389 - 390
Main Authors Kun Wei, Jian-Ying Li, Ling Wang, Zi-Jian Xing, Rui Xu
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2016
Subjects
Antenna radiation patterns
Coupling reduction
Defected ground structure
Microstrip
Microstrip antenna array
Microstrip antenna arrays
Microstrip antennas
Mutual coupling
Periodic structures
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Summary:A periodic defected ground structure (DGS) was proposed to reduce mutual coupling between antenna elements in coplanar linear polarization microstrip antenna array. The defected ground structure is three U-shaped elements etched off from ground plane periodically between microstrip antenna elements. Coupled polarization is rotated 90deg by the proposed periodic DGS, 10dB mutual coupling reduction between microstrip antenna elements is achieved and barely influence on microstrip antenna far-filed main radiation properties.
DOI:10.1109/APCAP.2016.7843257