A Dual-OAM-Mode-Based Array With Shared Feeding Network for In-Band Full-Duplex Systems

被引：0
作者：
Liang, Yu-Zhong [1 ]
Chen, Fu-Chang [1 ]
Zeng, Wen-Feng [1 ]
Xiang, Kai-Ran [1 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2024年 / 72卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Antenna arrays; Antenna feeds; Antennas; Couplings; Full-duplex system; Reflector antennas; Antenna measurements; Dual-mode; full-duplex; microstrip antenna array; orbital angular momentum (OAM); self-interference cancellation; uniform circular array (UCA); ANTENNA-ARRAY; WIDE-BAND; POLARIZED ANTENNA; PATCH ANTENNA;
D O I：
10.1109/TAP.2024.3416743
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：
A dual-mode radial uniform circular array (UCA) is proposed for orbital angular momentum (OAM) generation and in-band full-duplex (IBFD) systems. The presented configuration is composed of an eight-element sequentially rotated patch antenna array and a partially shared feeding network (SFN). Each antenna element has a single feeding port and is fed by the corresponding output port of the SFN. A novel feeding network scheme is designed to achieve dual-OAM-mode excitation and self-interference cancellation between the transmit (Tx) and receive (Rx) ports. To validate the correctness of the proposed configuration, a prototype with 0 and -2 excitation modes is fabricated and measured. The measured results demonstrate that the proposed antenna operates from 5.68 to 6.1 GHz with an isolation of more than 40 dB over the whole band of interest.
引用
收藏
页码：7998 / 8003
页数：6
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