Experimentally validated, wideband, compact, OAM antennas based on circular vivaldi antenna array

被引：0
|
作者：
Yang T. [1 ]
Yang D. [1 ]
Wang B. [1 ]
Hu J. [1 ]
机构：
[1] School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan
来源：
Yang, Tianming (tmy_uestc@163.com) | 2018年 / Electromagnetics Academy卷 / 80期
关键词：
All Open Access; Gold;
D O I：
10.2528/pierc17110702
中图分类号：
学科分类号：
摘要：
The bandwidth of OAM antennas, which have a great potential for multiple-input multiple-output (MIMO) communication, must be wide enough. Unfortunately, most of researchers only care about the generation and characteristics of vortex beams carrying orbital angular momentum (OAM) but ignore the bandwidth of OAM antennas. To develop OAM antenna suitable for MIMO communication, Vivaldi antenna is used as the element of circular array because of its wide bandwidth. Three compact wideband circular Vivaldi antenna arrays that can generate vortex beams carrying OAM with numbers of modes l = 0, −2, +2 are proposed and experimentally validated in this paper. Measured results show that the proposed antennas can radiate vortex beams with different numbers of modes over a frequency range of 2.7–2.9 GHz. © 2018, Electromagnetics Academy. All rights reserved.
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页码：211 / 219
页数：8
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