Spatiotemporally Modulated Array Antenna Featuring Nonreciprocal Radiation Beam

IF 1 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Microwave and Optical Technology Letters Pub Date : 2024-12-18 DOI:10.1002/mop.70072
Jiawei Zang, Shouyuan Wang, Ziren Wang, Rui Ji, Juan Pan
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Abstract

This paper proposes a nonreciprocal array antenna based on spatiotemporal modulation. This approach relies on the drastically different phase response during the frequency conversion processes in the time-modulated antenna element. A prototype linear array composed of a pair of resonant patches is designed and fabricated for proof-of-concept validation. Measured results are in good agreement with simulation. The results show that the proposed array antenna is capable of providing versatile radiation performance for transmission and reception, including reciprocal transmission and reception radiation beams, nonreciprocal symmetric transmission and reception radiation beams, and nonreciprocal asymmetric transmission and reception radiation beams, by manipulating the RF signal phase and modulation signal phase.

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非互易辐射波束时空调制阵列天线
提出了一种基于时空调制的非互易阵列天线。这种方法依赖于时调制天线单元在频率转换过程中显著不同的相位响应。设计并制造了一个由一对谐振贴片组成的原型线性阵列,用于概念验证。实测结果与仿真结果吻合较好。结果表明,通过对射频信号相位和调制信号相位的控制,阵列天线能够提供多种发射和接收辐射性能,包括互易发射和接收辐射波束、非互易对称发射和接收辐射波束以及非互易发射和接收辐射波束。
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来源期刊
Microwave and Optical Technology Letters
Microwave and Optical Technology Letters 工程技术-工程:电子与电气
CiteScore
3.40
自引率
20.00%
发文量
371
审稿时长
4.3 months
期刊介绍: Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication
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