A Sequential-Phase Fed Dual-Band Dual-Circular-Polarized Patch Antenna for Ka-Band Satellite Communications

被引：2
|
作者：
Liu, Hongfei [1 ]
He, Yejun [1 ]
Zhang, Long [1 ]
He, Wei [1 ]
机构：
[1] Shenzhen Univ, Coll Elect & Informat Engn, Guangdong Engn Res Ctr Base Stn Antennas & Propag, Shenzhen Key Lab Antennas & Propagat, Shenzhen 518060, Guangdong, Peoples R China
来源：
2020 IEEE MTT-S INTERNATIONAL CONFERENCE ON NUMERICAL ELECTROMAGNETIC AND MULTIPHYSICS MODELING AND OPTIMIZATION (NEMO 2020) | 2020年
基金：
中国国家自然科学基金;
关键词：
Ka-band satellite communications; dual-band; dual-circular-polarization; patch antenna; sequential rotation technique;
D O I：
10.1109/NEMO49486.2020.9343577
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 paper, a dual-band dual-circular-polarized patch antenna for Ka-band satellite communications is presented. It integrates 2 x 2 aperture-coupled corner-truncated microstrip patch antenna elements and the microstrip feeding network provides a good amplitude and phase for the subarrays. By using sequential rotation technique, it achieves good impedance bandwidth and axial ratio bandwidth, which covers the uplink frequencies (30-31 GHz) and downlink frequencies (20-21 GHz) of Ka-band satellite communications. Since the elements are placed within an appropriate range, the two ports are well isolated. The detailed design process is given in this paper, and good simulation and measured results are obtained.
引用
收藏
页数：3
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