A 1600-Element Dual-Frequency Electronically Reconfigurable Reflectarray at X/Ku-Band

被引：189

作者：

Yang, Huanhuan ^{[1
,2
]}

Yang, Fan ^{[2
]}

Cao, Xiangyu ^{[1
]}

Xu, Shenheng ^{[2
]}

Gao, Jun ^{[1
]}

Chen, Xibi ^{[2
]}

Li, Maokun ^{[2
]}

Li, Tong ^{[1
]}

机构：

[1] AFEU, Sch Informat & Nav, Xian 710077, Shaanxi, Peoples R China

[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2017年 / 65卷 / 06期

关键词：

Antenna; dual frequency; microstrip array; PIN diode; reconfigurable reflectarray (RRA); DESIGN;

D O I：

10.1109/TAP.2017.2694703

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-frequency reconfigurable reflectarray (RRA) is proposed and verified experimentally. The RRA consists of 1600 electronically controllable elements. By integrating only a single PIN diode, the proposed element is capable to operate at two working frequencies with 1-bit phase resolution. The dual-frequency mechanism is explained through the mode analysis, and a parametric study is performed to provide guidelines for determining the two working frequencies. As an example, a 1600-element RRA prototype is realized by assembling five identical 8 x 40 subarrays. An field programmable gate array control board is used to achieve real-time phase control of each element individually. The experimental results show that the broadside gains of the RRA are 29.3 and 30.8 dBi at 11.1 and 14.3 GHz, respectively. Excellent beam scanning performance is also obtained at both frequencies.

引用

页码：3024 / 3032

页数：9

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