Directional Antenna With Consistent H-Plane Dual-Band Beamwidth for Wi-Fi Applications

被引：20

作者：

Chi, Lidong ^{[1
]}

Qi, Yihong ^{[1
,2
,3
]}

Weng, Zi-Bin ^{[4
]}

Yu, Wei ^{[2
]}

Li, Fuhai ^{[1
]}

Drewniak, James L. ^{[5
]}

机构：

[1] Hunan Univ, Coll Elect & Informat, Changsha 410006, Hunan, Peoples R China

[2] Gen Test Syst Inc, Shenzhen 518102, Peoples R China

[3] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Electromagnet Compatibil Lab, Rolla, MO 65401 USA

[4] Xidian Univ, Coll Elect Engn, Xian 710071, Shaanxi, Peoples R China

[5] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Electromagnet Compatibil EMC Lab, Rolla, MO 65401 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2019年 / 67卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Beamwidth; dual-band antenna; intermediate value theorem; Wi-Fi antenna; BASE STATION ANTENNA; UNLICENSED SPECTRUM; DIPOLE ANTENNA; 5G; LTE; COEXISTENCE; DESIGN; ARRAY; RAN;

D O I：

10.1109/TAP.2019.2911589

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 Wi-Fi dual-band directional antenna is presented herein. The proposed antenna consists of a bent ground-backed slot-loop structure to form a directional antenna. The aperture of the antenna element and the offset from the ground plane have opposing functional variation for the beamwidth adjustment. By utilizing both factors, a consistent Wi-Fi dual-band beamwidth is achieved. The antenna has high radiation efficiency over both bands. The proposed antenna achieves H-plane dual-band beamwidth consistency, which varies within 5 degrees over the two bands. The gain is 9 and 9.5 dBi, respectively, in the 2.4 and 5 GHz bands, and a stable H-plane beamwidth of 66 degrees-71 degrees over the operating bands is achieved. The proposed antenna can be used for the sectorized Wi-Fi access point application or as an element to form an array.

引用

页码：4495 / 4505

页数：11

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