A Wideband Polarization Reconfigurable Antenna with Six Polarization States

被引：0
|
作者：
Pan, Pengxian [1 ]
Guan, Boran [1 ]
机构：
[1] Hangzhou Dianzi Univ, Elect & Informat Coll, Hangzhou, Zhejiang, Peoples R China
来源：
2018 12TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND ELECTROMAGNETIC THEORY (ISAPE) | 2018年
关键词：
Circular polarizations (CP); linear polarization (LP); polarization reconfigurable antennas; wideband; crossed-dipole antenna;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A wideband single-feed crossed-dipole antenna with reconfigurable polarization states among right-hand circular polarization (RHCP), left-hand circular polarization (LHCP) and four linear polarizations (LP) at 0 degrees LP, 90 degrees LP, 45 degrees LP and 135 degrees LP is proposed. The proposed antenna consists of two pairs of bowtie dipoles, a pair of slim rectangle dipole and a metallic square reflector. The polarization states are controlled by ten PIN diodes. Stimulation results demonstrate an impedance bandwidth (BW) of 35.3% from 2.05 to 2.93GHz for all polarization states. The 3dB axial ratio BW for CP states is 40.4% from 2.25-3.39GHz. In conclusion, the overlapped bandwidth is 26.25% from 2.25 to 2.93GHz. The stimulated gain within the bandwidth is greater than 6.6dBi and the cross-polarization values relative to co-polarization is less than -13dB.
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页数：4
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