Dual band dual circularly polarized patch antenna for Ku-band applications
This paper proposes a duplex antenna, with four square patches to form a sequential rotating array, which can generate dual circular polarization radiation. A feeding network consisting of power dividers, phase shifters and couplers feeds the antenna with ±90° phase difference and achieves dual circ...
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| Published in | International journal of electronics and communications Vol. 175; p. 155107 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
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01.02.2024
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| Abstract | This paper proposes a duplex antenna, with four square patches to form a sequential rotating array, which can generate dual circular polarization radiation. A feeding network consisting of power dividers, phase shifters and couplers feeds the antenna with ±90° phase difference and achieves dual circular polarization. A band stop filter with low reflection is employed in the receive port to increase the isolation in the transmitting band (14–14.5 GHz) to over 30 dB. The receive port achieves a gain of over 4.8 dBi and an axial ratio under 3 dB in the receiving band (10.7–12.7 GHz). The transmit port has a gain of more than 5.1 dBi and a 3 dB axial ratio in the whole frequency band (10.5–15 GHz). |
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| AbstractList | This paper proposes a duplex antenna, with four square patches to form a sequential rotating array, which can generate dual circular polarization radiation. A feeding network consisting of power dividers, phase shifters and couplers feeds the antenna with ±90° phase difference and achieves dual circular polarization. A band stop filter with low reflection is employed in the receive port to increase the isolation in the transmitting band (14–14.5 GHz) to over 30 dB. The receive port achieves a gain of over 4.8 dBi and an axial ratio under 3 dB in the receiving band (10.7–12.7 GHz). The transmit port has a gain of more than 5.1 dBi and a 3 dB axial ratio in the whole frequency band (10.5–15 GHz). |
| ArticleNumber | 155107 |
| Author | Wei, Liu-Yu Yan, Qi-Bo Xie, Ze-Ming |
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| Cites_doi | 10.1109/WCNPS50723.2020.9263749 10.1109/ACCESS.2019.2961601 10.1016/j.aeue.2019.05.016 10.1109/ACCESS.2020.2963997 10.1109/LAWP.2020.2991182 10.1109/ICSPCC.2015.7338919 10.1016/j.aeue.2023.154760 10.1109/TMTT.1978.1129507 10.1016/j.aeue.2021.153796 10.1109/TMTT.2019.2950241 10.1109/TAP.2022.3213425 10.1109/TAP.2016.2551260 10.1109/LAWP.2020.2988560 10.1016/j.aeue.2020.153569 10.1016/j.aeue.2017.08.023 10.1016/j.actaastro.2019.03.040 10.1016/j.aeue.2023.154855 10.1109/ACCESS.2022.3147822 10.1109/TMTT.1983.1131568 |
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| Keywords | Low reflection filter Duplex antenna Dual circular polarization |
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| SubjectTerms | Dual circular polarization Duplex antenna Low reflection filter |
| Title | Dual band dual circularly polarized patch antenna for Ku-band applications |
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