Array-antenna decoupling surfaces for quasi-yagi antenna arrays
Refereed conference paper presented and published in conference proceedings

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AbstractA novel decoupling method for a quasi-Yagi antenna array using partial reflection metal strips is proposed. These reflection metal strips, a kind of Array-antenna Decoupling Surface (ADS), can be designed to cancel the unwanted coupled waves among adjacent antenna elements. A prototype of a four elements quasi-Yagi antenna array with about λ/2 spacing and a decoupling surface is prototyped on an FR4 substrate. Measurement results show that the mutual coupling between adjacent antennas is reduced by about 13 dB while the mutual coupling between non-adjacent elements and the return loss remain nearly unchanged. The attractive advantages of the ADS technique include applicability to a large-scale array antenna; simplicity in implementation; and relative wide decoupling bandwidth.
Acceptance Date15/01/2017
All Author(s) ListChangning Wei, Ke-Li Wu
Name of Conference2017 IEEE International Symposium on Antennas and Propagation
Start Date of Conference09/07/2017
End Date of Conference14/07/2017
Place of ConferenceSan Diego
Country/Region of ConferenceUnited States of America
Proceedings Title2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting
LanguagesEnglish-United States

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