A Bidirectional Left‐Hand Circularly Polarized Antenna Using Dual Rotated Patches | Zendy

Deng Changjiang | Zendy; Li Yue | Zendy; Zhang Zhijun | Zendy; Wang Jianwu | Zendy; Feng Zhenghe | Zendy

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A Bidirectional Left‐Hand Circularly Polarized Antenna Using Dual Rotated Patches

Author(s) -

Deng Changjiang,

Li Yue,

Zhang Zhijun,

Wang Jianwu,

Feng Zhenghe

Publication year - 2013

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.27800

Subject(s) - circular polarization , axial ratio , optics , microwave , turnstile antenna , microstrip antenna , radiation pattern , physics , polarization (electrochemistry) , microstrip , antenna (radio) , patch antenna , coaxial antenna , engineering , electrical engineering , telecommunications , chemistry

In this article, we have proposed a multilayer bidirectional circularly polarized antenna for underground communications. The proposed antenna consists of two slot‐coupled back‐to‐back arranged rotated patches and a microstrip feed‐line. Identical left‐hand circular polarization is achieved in both front and back directions to avoid the undesired polarization mismatch for point‐to‐point connection. A prototype of the proposed antenna is built to validate the design strategy. The measured data, including S‐parameter, axial ratio, radiation pattern, and gain, agree well with the simulation results. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2044–2047, 2013

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