Design and Analysis of Pattern Reconfigurable Antenna Based on RF MEMS Switches

被引：8
作者：
Deng, Zhongliang [1 ]
Wang, Yucheng [1 ]
Lai, Chengqi [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
来源：
ELECTRONICS | 2023年 / 12卷 / 14期
关键词：
RF MEMS switch; pattern reconfigurable antenna; the electric field vector addition method; FREQUENCY;
D O I：
10.3390/electronics12143109
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The research on reconfigurable antennas has some disadvantages such as low working frequency and large size. This paper presents a Ka-band patch antenna with pattern reconfigurability using RF MEMS switches. The antenna contains one main patch, two sub-patches, two parasitic patches, and two RF MEMS switches. By controlling the states of the RF MEMS switches, the antenna can achieve three different radiation patterns (-8 & DEG;, 0 & DEG;, and +8 & DEG;) at 35 GHz. The pattern analysis was based on the electric field vector addition method. The analytical, simulated, and measured results agree well with each other. Due to its compact and thin structure of 3.7 mm x 5.2 mm x 0.4 mm, this antenna can be applied in fields such as satellites, smartphones, etc.
引用
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页数：14
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