Tri-band planar monopole antenna with two circularly polarised bandwidths for WiMAX applications

被引：6
作者：
Gyasi, Kwame Oteng [1 ]
Wen, Guangjun [1 ]
Inserra, Daniele [1 ]
Huang, Yongjun [1 ]
Ampoma, Emmanuel Affum [1 ]
Li, Jian [1 ]
Basit, Muhammad Abdul [2 ]
Zhang, Hao Bin [3 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Ctr RFIC & Syst Technol, Chengdu 611731, Sichuan, Peoples R China
[2] Univ Engn & Technol Taxila, Dept Elect Engn, Chakwal Campus, Taxila, Pakistan
[3] Southwest China Res Inst Elect Equipment, Sci & Technol Elect Informat Control Lab, Chengdu 610036, Sichuan, Peoples R China
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2018年 / 12卷 / 15期
基金：
中国国家自然科学基金;
关键词：
antenna feeds; multifrequency antennas; microwave antennas; UHF antennas; antenna radiation patterns; WiMax; planar antennas; monopole antennas; electromagnetic wave polarisation; wireless LAN; tri-band planar monopole antenna; circularly polarised bandwidths; linearly polarised band; UMTS; WiMAX; Wi-Fi; WLAN applications; bidirectional radiation patterns; FR4; substrate; slitted ground plane; bandwidth; 2; 05 GHz to 2; 26; GHz; 3; 41 GHz to 3; 82; 4; 89 GHz to 9; 11; 53 GHz to 3; 71; 69 GHz to 8; 58; size; 25; mm; 35; 1; 6; COMPACT; SINGLE; WLAN;
D O I：
10.1049/iet-map.2018.5323
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 tri-band planar monopole antenna with one linearly polarised band, two circularly polarised bands, and bidirectional radiation patterns is presented in this study. The antenna consists of a monopole with seven arms etched on the top side of a FR4 substrate, and a slitted ground plane on the bottom side. Measured results show that the antenna has a S-11<-10dB impedance bandwidth of 9.7% (2.05-2.26GHz) for the lower band, 11.3% (3.41-3.82GHz) for the middle band, and 60.2% (4.89-9.11GHz) for the upper band. The circular polarisation (CP) is radiated within the middle (left hand CP) and the upper (right hand CP) bands, and the measured broadside 3dB axial ratio bandwidths are 4.9% (3.53-3.71GHz) and 58.6% GHz (4.69-8.58GHz), respectively. The proposed antenna has a total size of 25x35x1.6mm(3) and can be employed for the 2.1GHz UMTS, whereas the CP bands can be used for the 3.5/5.5GHz WiMAX, 5.5GHz Wi-Fi, and 5.2/5.8GHz WLAN applications.
引用
收藏
页码：2350 / 2355
页数：6
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