Design and performance evaluation of oam-antennas: A comparative review

OA Saraereh - IEEE Access, 2023 - ieeexplore.ieee.org
For many communication systems, including wireless networks, mobile, satellite, radar,
remote sensing, and many more applications, antenna arrays are very necessary. Utilizing …

[HTML][HTML] Advances of research on antenna technology of vortex electromagnetic waves

GUO Zhongyi, W Yanzhe, Z Qun, YIN Chaoyi, Y Yang… - 雷达学报, 2019 - radars.ac.cn
The vortex electromagnetic wave, which carries the Orbital Angular Momentum (OAM),
reflects a new degree of freedom in addition to the traditional degrees of freedom such as …

[HTML][HTML] 涡旋电磁波天线技术研究进展

郭忠义, 汪彦哲, 郑群, 尹超逸, 杨阳, 宫玉彬 - 雷达学报, 2019 - radars.ac.cn
涡旋电磁波, 因携带有轨道角动量(OAM), 从而体现出除了传统的强度, 相位, 频率,
极化等自由度之外的一种新型自由度, 理论上在任意频率下都具有无穷多种互不干扰的正交模态 …

[HTML][HTML] RCS reduction metasurface based on orbital angular momentum

Q Liu, H Chen, Y Yan, X Yao, D Liang, J Xie, L Deng - Results in Physics, 2023 - Elsevier
A novel radar cross-section (RCS) reduction metasurface is designed, fabricated, and
experimentally characterized to flexibility control wavefront and efficiency generated orbital …

Generation of multi-OAM beams using a compact dual-mode source and a 3D-printed Luneburg lens

Y Cao, S Yan, W Liu, J Li - Optics Express, 2022 - opg.optica.org
In this paper, a Luneburg lens-based multi-beam orbital angular momentum (OAM) antenna
is proposed to achieve the 2D beam scanning capability of dual-mode OAM beams. The …

Low sidelobe orbital angular momentum vortex beams based on modified Bayliss synthesis method for circular array

N Kou, S Yu - IEEE Antennas and Wireless Propagation Letters, 2022 - ieeexplore.ieee.org
Electromagnetic orbital angular momentum (OAM) vortex beam patterns generated by
conventional methods are always of high sidelobe level, which severely limits its application …

Machine learning-based fast integer and fractional vortex modes recognition of partially occluded vortex beams

JJ Sun, S Sun, LJ Yang - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
In this work, a machine learning method is proposed to precisely classify partially occluded
integer and fractional vortex modes for the first time in radio frequency (RF). Consequently …

Wireless communication of radio waves carrying orbital angular momentum (OAM) above an infinite ground plane

L Wang, W Park, C Yang, HD Brüns… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Radio waves carrying orbital angular momentum (OAM) have been intensively studied in
recent years with respect to generation, propagation, and communication. In this article, the …

Physical layer secure communication using orbital angular momentum transmitter and a single-antenna receiver

MAB Abbasi, V Fusco, U Naeem… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Orbital angular momentum (OAM) for radio communications has the potential of
simultaneously transmitting multiple signals at the same frequency and time resources. This …

[HTML][HTML] 涡旋电磁波旋转多普勒效应研究进展

郭忠义, 汪彦哲, 王运来, 郭凯 - 雷达学报, 2021 - radars.ac.cn
依据多普勒效应, 传统雷达可以实现对运动目标探测, 但是在对旋转目标的角向运动趋势感知
存在检测盲区. 涡旋电磁波的旋转多普勒效应的发现, 因有助于解决直视下的旋转目标的角向 …