A Low-Profile 1-Bit Reconfigurable Transmitarray Antenna

被引：0
|
作者：
Zhai, Feng [1 ]
Fan, Ge [1 ]
Wu, Lijie [1 ]
Cheng, Qiang [1 ]
机构：
[1] Southeast Univ, State Key Lab Millimeter Wave, 2 Sipailou, Nanjing 210096, Peoples R China
来源：
2022 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS, IMWS-AMP | 2022年
关键词：
D O I：
10.1109/IMWS-AMP54652.2022.10107263
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 low profile 1-bit reconfigurable transmitarray antenna (RTA) is proposed in this paper. This RTA consists of a patch antenna array as the feeding source and a 1-bit phase-reconfigurable transmitting antenna. To achieve low profile, the RTA operates in near filed of the feeding source. To eliminate the mirror lobes caused by the 1-bit phase quantization, a phase-shifting line is integrated inside each element to imitate illumination from a virtual source at the focal point. The proposed antenna prototype is composed of 8x8 elements with a low profile of 0.44 lambda(0) at 9.8 GHz. By changing the switching states of PIN diodes inside the elements, the main beam can be flexibly scanned up to 50 degrees and 40 degrees in the E- and the H-plane with the peak gain of 15.5 dBi, respectively.
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页数：3
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