Dual-polarised high-gain triple-band differential antenna for WLAN and Sub-6 GHz 5G applications

被引：0
|
作者：
Jin, Guiping [1 ]
Zeng, Guangjie [1 ]
Yang, Ju [1 ]
Xu, Yechun [1 ]
Liao, Shaowei [1 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Peoples R China
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2020年 / 14卷 / 03期
基金：
中国国家自然科学基金;
关键词：
antenna feeds; wireless LAN; UHF antennas; electromagnetic wave polarisation; microwave antennas; antenna radiation patterns; 5G mobile communication; radio access networks; WLAN band; notch band; low-frequency band; intermediate frequency band; high-frequency band; differential feeding scheme; high-frequency radiator; low-frequency radiators; dual-polarised high-gain triple-band differential-fed antenna; 5G wireless access point systems; frequency; 2; 45; GHz; 3; 8 GHz to 4; 8; 6; 5; gain; 10; dB; bandwidth; 37 GHz to 2; 61; 27 GHz to 3; 76; 4; 87 GHz to 5; 98; PLANAR;
D O I：
10.1049/iet-map.2019.0566
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 new dual-polarised high-gain triple-band differential-fed antenna is proposed in this study. The antenna adopts a differential feeding scheme, in which a high-frequency radiator for 3.5 GHz Sub-6 GHz 5G band and 5 GHz WLAN band, and two pairs of low-frequency radiators for 2.45 GHz WLAN band are effectively combined to obtain multiband operation. To filter out unwanted frequency band, four half-wavelength slots are introduced to generate a notch band between 3.8 and 4.8 GHz. Experimental results show that the proposed antenna achieves 10-dB impedance bandwidths of 2.37-2.61 GHz for the low-frequency band, 3.27-3.76 GHz for the intermediate frequency band, and 4.87-5.98 GHz for the high-frequency band. The gains of the antenna are all above 8.0 dBi for all the three bands. The antenna exhibits a good directivity and low cross-polarisation level (below -20 dB); thus it is a good candidate for WLAN and Sub-6 GHz 5G wireless access point systems.
引用
收藏
页码：189 / 193
页数：5
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