Compact and Wideband Directional Circularly Polarized Distributed Patch Antenna With High Efficiency
Compact and Wideband Directional Circularly Polarized Distributed Patch Antenna With High Efficiency
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紧凑宽带高效率定向圆极化分布式贴片天线
DOI：
10.1109/access.2017.2735961
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发表时间：
2017-08
期刊：
影响因子：
3.9
通讯作者：
Chen Xi
中科院分区：
文献类型：
--
作者：
Chen Xi
A compact and wideband directional circularly polarized (CP) antenna is presented in this paper. The antenna adopts four distributed micropatches as the radiation structure to realize directional radiation and wideband potential, and a low-loss sequentially rotated feeding network is utilized to provide CP excitation. Because of the good impedance matching between the proposed radiation structure and the feeding network, the antenna obtains wide bandwidths in both impedance and axial ratio (AR), and high efficiency is also achieved in the wide band. A prototype of the antenna is fabricated to validate the proposed method. The antenna’s dimensions are <inline-formula> <tex-math notation="LaTeX">$0.418\lambda _{{{0}}} \,\, \times \,\, 0.418\lambda _{{{0}}} \,\, \times \,\, 0.064\lambda _{{{0}}}$ </tex-math></inline-formula> (<inline-formula> <tex-math notation="LaTeX">$\lambda _{{{0}}}$ </tex-math></inline-formula> is the free-space wavelength at the center frequency of operating band). The impedance bandwidth for VSWR ≤ 2 reaches 42.9% (1.457 ~ 2.253 GHz), and the CP bandwidth for AR ≤ 3 dB reaches 22.8% (1.67 ~ 2.10 GHz). In the overlapped band, the radiation efficiency is more than 96.5%, and the gains are greater than 4.8 dBic.
A compact and wideband directional circularly polarized (CP) antenna is presented in this paper. The antenna adopts four distributed micropatches as the radiation structure to realize directional radiation and wideband potential, and a low-loss sequentially rotated feeding network is utilized to provide CP excitation. Because of the good impedance matching between the proposed radiation structure and the feeding network, the antenna obtains wide bandwidths in both impedance and axial ratio (AR), and high efficiency is also achieved in the wide band. A prototype of the antenna is fabricated to validate the proposed method. The antenna’s dimensions are <inline-formula> <tex-math notation="LaTeX">$0.418\lambda _{{{0}}} \,\, \times \,\, 0.418\lambda _{{{0}}} \,\, \times \,\, 0.064\lambda _{{{0}}}$ </tex-math></inline-formula> (<inline-formula> <tex-math notation="LaTeX">$\lambda _{{{0}}}$ </tex-math></inline-formula> is the free-space wavelength at the center frequency of operating band). The impedance bandwidth for VSWR ≤ 2 reaches 42.9% (1.457 ~ 2.253 GHz), and the CP bandwidth for AR ≤ 3 dB reaches 22.8% (1.67 ~ 2.10 GHz). In the overlapped band, the radiation efficiency is more than 96.5%, and the gains are greater than 4.8 dBic.
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DOI：
10.1080/09205071.2014.932259
发表时间：
2014-08
影响因子：
1.3
作者：
Chao Sun;Huili Zheng;L. Zhang;Y. Liu
通讯作者：
Chao Sun;Huili Zheng;L. Zhang;Y. Liu
影响因子：
4.2
作者：
Wu, Jianjun;Yin, Yingzeng;Lian, Ruina
通讯作者：
Lian, Ruina
影响因子：
4.2
作者：
X. Chen;G. Fu;S. Gong;Ya-li Yan;Wei Zhao
通讯作者：
X. Chen;G. Fu;S. Gong;Ya-li Yan;Wei Zhao
用于 L 波段卫星系统应用的具有共面寄生环槽贴片的宽带圆极化微带天线
影响因子：
4.2
作者：
Fu, Shiqiang;Kong, Qinggong;Wang, Zhongbao
通讯作者：
Wang, Zhongbao
影响因子：
3.9
作者：
Chen Xi
通讯作者：
Chen Xi