Low-profile omnidirectional antenna with dual polarizations for 2.4 GHz WLAN applications

被引：0
|
作者：
Sun L. [1 ]
Sun B.-H. [1 ]
Zhang G.-X. [1 ]
机构：
[1] National Laboratory of Science and Technology on Antennas and Microwaves, Xidian University, Xi’an, 710071, Shaanxi
来源：
Sun, Li (lisun_xidian@163.com) | 1600年 / Electromagnetics Academy卷 / 65期
关键词：
716; Telecommunication; Radar; Radio and Television;
D O I：
10.2528/PIERL16112302
中图分类号：
学科分类号：
摘要：
A low-profile antenna is proposed in this letter for realizing dual polarizations with omnidirectional radiation patterns. Vertical polarization is obtained by a modified annular ring slot antenna, and horizontal polarization is obtained by a modified printed arc dipole array. By combining the ground plane of the ring slot antenna and the dipole array on the same layer, the profile of the antenna is reduced to minimum extent. The proposed prototype has a low profile of 0.024λ (λ is the free-space wavelength at 2.4 GHz). To verify the design, the proposed antenna is fabricated and measured. Measured reflection coefficients, isolation, and radiation patterns data agree well with the simulated results. The common band of vertical and horizontal polarizations makes the proposed antenna satisfy the WLAN diversity systems with omnidirectional characteristic. © 2017, Electromagnetics Academy. All rights reserved.
引用
收藏
页码：89 / 94
页数：5
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