Switch Deployment Optimization of Pattern Reconfigurable Antenna with Massive Switches

被引：0
|
作者：
Li, Congxiang [1 ]
Wu, Changying [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian, Peoples R China
来源：
PROCEEDINGS OF THE 2019 IEEE ASIA-PACIFIC MICROWAVE CONFERENCE (APMC) | 2019年
关键词：
pattern reconfigurable antenna (PRA); percentage of useful configurations (PUC); beam direction; switch elimination;
D O I：
10.1109/apmc46564.2019.9038652
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper presents a method for decreasing the complexity of pattern reconfigurable antenna (PRA) with massive switches while increasing its pattern reconfigurability. Through this method, the less important switches are eliminated. In order to evaluate the reconfigurability of the PRA, the percentage of useful configurations (PUC) is proposed. A pixel antenna with 40 uniformly-switches has been designed and optimized in this paper. Based on the simulation with MAT LAB and ANSOFT HFSS, useful configurations that reflection coefficients are less than -10 dB and gains are greater than 7 dB in one beam direction are selected. When the switch number drops from 40 to 18, the complexity of the PRA is decreased while the pattern reconfigurability is increased more than 10 times at 11.7 GHz. The results show that this method is an efficient way to optimize switch deployment and increase PRA's radiation pattern reconfigurability.
引用
收藏
页码：264 / 266
页数：3
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