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Mutual coupling reduction between patch antennas based on microstrip structures
Author(s) -
Hao Chuanhui,
Zhou Ruicheng,
Zheng Hongmei,
Sun Xiaofan,
Sun Xubao
Publication year - 2020
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.32052
Subject(s) - microstrip antenna , directivity , patch antenna , return loss , ground plane , microstrip , antenna (radio) , coupling (piping) , reduction (mathematics) , antenna gain , acoustics , materials science , physics , optics , electronic engineering , topology (electrical circuits) , engineering , telecommunications , antenna efficiency , electrical engineering , mathematics , geometry , metallurgy
A practical design of reduction mutual coupling is presented between patch antenna elements by using symmetrical microstrip structures in the paper. The patch antenna design consists of the following: two antenna patches, a rectangular substrate plane, a pair of three orders symmetrical microstrips, and a common ground. By using the proposed scheme, approximately 35 dB mutual coupling reduction is achieved at central frequency of 7.3 GHz while maintaining gain of 2.3 dB and directivity of 5.53dBi. Return loss slightly decreases by 2.91 dB from −23.12 to −20.21 dB. In contrast, it exerts no effects on gain radiation characteristics in a no microstrip setup. Simulation results of this technique are verified validated using experimental measurements.