An L-Slot Frequency Reconfigurable Antenna Based on MEMS Technology

被引：3
|
作者：
Chen, Yu [1 ,2 ,3 ]
Guo, Honglei [1 ,2 ,3 ]
Liu, Yanfei [2 ,3 ,4 ]
Li, Jing [1 ,2 ,3 ]
Zhan, Yongxin [1 ,2 ,3 ]
Wu, Qiannan [2 ,3 ,4 ]
Li, Mengwei [1 ,2 ,3 ]
机构：
[1] North Univ China, Sch Instrument & Elect, Taiyuan 030051, Peoples R China
[2] North Univ China, Acad Adv Interdisciplinary Res, Taiyuan 030051, Peoples R China
[3] North Univ China, Ctr Microsyst Integrat, Taiyuan 030051, Peoples R China
[4] North Univ China, Sch Semicond & Phys, Taiyuan 030051, Peoples R China
来源：
MICROMACHINES | 2023年 / 14卷 / 10期
关键词：
frequency reconfigurable; high-frequency band; patch antenna; RF MEMS switch; SWITCH;
D O I：
10.3390/mi14101945
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Given the shortage of spectrum resources and the demand for communication systems of diminutive size, multi-function, and adaptive characteristics, this paper proposes an L-slot frequency reconfigurable antenna based on the MEMS switch. The antenna size is 4.07 x 5.27 mm2 and is suitable for the U-band. The antenna structure consists of two RF MEMS switches, a Rogers RT5880 dielectric substrate, an L-slot patch, and a full-coverage ground. The switch is of a series contact structure and is arranged at the corner of an L-slot. By controlling the on and off state of the switch, the antenna can switch between four states of 42.36, 47.65, 53.13, and 56.72 GHz. According to the simulation results in CST STUDIO SUITE 2018, the maximum gain of the antenna is 7.90 dB, the impedance bandwidth of each state is above 1 GHz, and the direction is mainly consistent. The antenna can meet the demand for multi-frequency millimeter wave communication.
引用
收藏
页数：14
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