Multi-band circularly polarized antenna for WLAN and WiMAX applications based on characteristic mode theory

被引:0
作者
Yang, Yutong [1 ]
Qi, Zihang [1 ]
Chen, Yongxin [1 ]
Li, Xiuping [1 ]
机构
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing Key Lab Work Safety Intelligent Monitorin, Key Lab Univ Wireless Commun,Minist Educ,Sch Elec, Beijing, Peoples R China
基金
国家重点研发计划;
关键词
broadband; characteristic mode theory; circular polarization; multi-band antenna;
D O I
暂无
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 multi-band circularly polarized antenna is proposed for WLAN (2.4/5.3/5.8 GHz) and WiMAX (3.5 GHz) applications. The proposed antenna is constructed of a radiation patch and a reflecting metal ground. Characteristic mode theory is utilized to analyze the modes of the patch and based on these results the antenna is optimized. The -10 dB impedance bandwidths of the proposed antenna are 53.53% (2.4-4.15 GHz) and 47.28% (5.25-8.5 GHz), respectively. The antenna radiates left-handed circular polarization in the lower band and right-handed circular polarization in the upper band. A maximum gain of 10 dBic is achieved for the proposed antenna.
引用
收藏
页码:1071 / 1079
页数:9
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