Beam-Scanning Transmitarray With Extended Wide Scanning Range

被引：1
作者：
Zhu, Liting [1 ]
Guo, Xin [1 ]
Sun, Sheng [2 ,3 ]
Wu, Wen [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Key Lab Near Range RF Sensing ICs & Microsyst NJUS, Minist Educ, Nanjing 210094, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
[3] Univ Elect & Sci Technol China, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Feeds; Transmitting antennas; Design methodology; Apertures; Sun; Substrates; Shape; Circular polarization; dual-frequency; dual-polarization; transmitarray; wide-angle beam-scanning; RECONFIGURABLE TRANSMITARRAY; STEERABLE TRANSMITARRAY; ANTENNA; APERTURE; ARRAY; LENS;
D O I：
10.1109/LAWP.2024.3420414
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 novel design method for beam-scanning transmitarray antenna is proposed to extend the scanning range, by using additional freedom degrees including frequency or polarization. The proposed transmitarray utilizes redundant (in some applications) frequency-domain or polarization-domain resources in exchange for the spatial-domain coverage, resulting in wide scanning range, which is not easy to realize by other design methods. As examples, a dual-frequency and a dual-polarized transmitarrays are presented. Radiations at 10/13 GHz or with x-/y-polarizations are skillfully designed to undertake the scanning in the left-/right-half regions, respectively. The results show that the accumulated wide scanning ranges within +/- 60 degrees and +/- 50 degrees are obtained, which are much wider than published works.
引用
收藏
页码：3033 / 3037
页数：5
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