Pattern-Reconfigurable Planar Array Antenna Characterized by Digital Coding Method

被引：62
|
作者：
Zhang, Xin Ge [1 ]
Jiang, Wei Xiang [1 ]
Tian, Han Wei [1 ]
Wang, Zheng Xing [1 ]
Wang, Qiang [1 ]
Cui, Tie Jun [1 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2020年 / 68卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Encoding; Antenna radiation patterns; Switches; Antenna arrays; Phase shifters; Microstrip; Pins; Digital coding characterization; low-profile planar array antenna; pattern reconfigurable; BAND; TRANSMITARRAY; FREQUENCY; ERRORS;
D O I：
10.1109/TAP.2019.2938678
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：
We propose a low-profile and high-gain pattern-reconfigurable planar array antenna (PRPAA) based on digital coding characterization. The radiating elements in the PRPAA are designed ingeniously to realize digital "0" and "1" elements. By dynamically encoding the digital radiating elements with different coding patterns, various radiation beams can be achieved and switched in real time based on one antenna aperture. More importantly, for different coding patterns, the number and direction of the radiation beams of the digital PRPAA can be well predicted. We fabricate such a PRPAA and validate its digital-controllable radiation patterns experimentally. This communication provides many opportunities to realize low-cost, lightweight, high-gain, and multi-unit PRPAA, which offers promising applications in massive multi-in multi-out (MIMO) antenna array system, smart antenna, radar system, and dynamic microwave imaging.
引用
收藏
页码：1170 / 1175
页数：6
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