Compact circularly polarized truncated square ring slot antenna with suppressed higher resonances
This paper presents a compact circularly polarized (CP) antenna with an integrated higher order harmonic rejection filter. The proposed design operates within the ISM band of 2.32 GHz± 2.63 GHz and is suitable for example for wireless power transfer applications. Asymmetrical truncated edges on a sq...
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| Main Authors: | , , , , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
Public Library of Science
2017
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| 主題: | |
| 在線閱讀: | http://eprints.utm.my/id/eprint/74903/1/MursyidulIdzamSabran_CompactCircularlyPolarizedTruncated.pdf http://eprints.utm.my/id/eprint/74903/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85012905959&doi=10.1371%2fjournal.pone.0172162&partnerID=40&md5=917dd5a2c6e4860647715d212b252e91 |
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| 總結: | This paper presents a compact circularly polarized (CP) antenna with an integrated higher order harmonic rejection filter. The proposed design operates within the ISM band of 2.32 GHz± 2.63 GHz and is suitable for example for wireless power transfer applications. Asymmetrical truncated edges on a square ring create a defected ground structure to excite the CP property, simultaneously realizing compactness. It offers a 50.5% reduced patch area compared to a conventional design. Novel stubs and slot shapes are integrated in the transmission line to reduce higher (up to the third) order harmonics. The proposed prototype yields a -10 dB reflection coefficient (S11) impedance bandwidth of 12.53%, a 3 dB axial ratio bandwidth of 3.27%, and a gain of 5.64 dBi. Measurements also show good agreement with simulations. © 2017 Sabran et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
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