Ultra-Wideband Millimeter-Wave Bidirectional Circularly Polarized Monopole Antenna Array Using a Sequentially Rotated Feeding Technique

被引：12
作者：
Wang, Chao [1 ,2 ]
Xu, Guanghui [3 ,4 ,5 ]
Li, Minquan [1 ,2 ]
Huang, Zhixiang [1 ,2 ]
Ren, Xingang [1 ,2 ]
Wang, Jingping [1 ,2 ]
Wu, Xianliang [1 ,2 ]
机构：
[1] Anhui Univ, Key Lab Intelligent Computingand Signal Proc, Anhui Prov Key Lab Target Recognit & Feature Extra, Dept Educ Anhui Prov,Minist Educ, Hefei 230601, Peoples R China
[2] Anhui Univ, Dept Educ Anhui Prov, Key Lab Electromagnet Environm Sensing, Hefei 230601, Peoples R China
[3] Anhui Univ, Informat Mat & Intelligent SensingLaboratory Anhui, Hefei 230039, Peoples R China
[4] Anhui Univ, Key Lab Electromagnet Environm Sensing Anhui Highe, Hefei 230039, Peoples R China
[5] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2023年 / 71卷 / 01期
关键词：
Axial ratio (AR); circularly polarized (CP); monopole antenna; ultrawideband; DESIGN;
D O I：
10.1109/TAP.2022.3216478
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this communication, an ultrawideband millimeter-wave (mm-Wave) bidirectional circularly polarized (CP) monopole antenna array with sequential rotation feeding (SRF) technique is proposed. First, a broadband CP monopole antenna element is realized by utilizing the asymmetric ground plane, C-shaped ring, and rectangular stub structure. A microstrip to coplanar waveguide (CPW) transition structure is designed to feed the antenna element. Then, the SRF technique is adopted to further improve the axial ratio (AR) bandwidth of the 2 x 2 CP subarray. Finally, a 4 x 4 CP array is designed to further enhance the gain for mm-Wave applications. Measured results show that the proposed 4 x 4 CP array exhibits the -10 dB impedance bandwidth of 102.7%, 3 dB AR bandwidths of 100.7%/101.3% in the +z/-z-direction, and the peak gain of 15.6 dBic.
引用
收藏
页码：1117 / 1122
页数：6
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