Design of a Ka Band Microstrip Patch Antenna with Pattern Reconfigurable Characteristic

被引：2
|
作者：
Deng Zhongliang [1 ]
Yao Yidong [1 ]
Hong Manzu [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100088, Peoples R China
来源：
QUANTUM, NANO, MICRO AND INFORMATION TECHNOLOGIES | 2011年 / 39卷
关键词：
pattern reconfigurable; Ka band; MEMS switch; patch antenna;
D O I：
10.4028/www.scientific.net/AMR.39.126
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This letter presents a novel microstrip patch antenna operating in the Ka band (26.5GHz-40GHz) with pattern reconfigurable characteristic. The antenna is provided with one circle patch, two arc patches and four parasitic rectangular patches. The centre patch is connected with the arc patch by a RF MEMS (microelectromechanical systems for RF circuits) switch. The beam can scan in the E-plane by switching the states of the antenna, which is implemented by changing the states of the switches installed in the gap between the patches. Different states of the antenna have different radiation patterns. The two states share the same operating band of 35.6-37.9GHz with the centre frequency of 36.6GHz and their maximum radiation directions are -38 degrees and +37 degrees respectively. The antenna can be applied in radar, satellite, security communications, etc.
引用
收藏
页码：126 / 130
页数：5
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