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Orbital angular momentum (OAM) at radio frequency (RF) provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectrum efficiencies. However, there are still big challenges in the…

信号处理 · 电气工程与系统科学 2020-07-07 Rui Chen , Wen-Xuan Long , Xiaodong Wang , Jiandong Li

Orbital Angular Momentum (OAM)-based communication systems offer high-capacity multiplexing in line-of-sight (LOS) scenarios; yet, their performance is sensitive to nodal misalignment, which disrupts modal orthogonality, hindering the data…

信号处理 · 电气工程与系统科学 2026-01-27 Poorya Mollahosseini , Yasaman Ghasempour

Orbital angular momentum (OAM) mode multiplexing has the potential to achieve high spectrum-efficiency communications at the same time and frequency by using orthogonal mode resource. However, the vortex wave hollow divergence…

信息论 · 计算机科学 2024-08-05 Ruirui Chen , Wenchi Cheng , Jinyang Lin , Liping Liang

Orbital angular momentum (OAM) has attracted much attention for radio vortex wireless communications due to the orthogonality among different OAM-modes. To maintain the orthogonality among different OAM modes at the receiver, the strict…

信号处理 · 电气工程与系统科学 2024-08-15 Wenchi Cheng , Haiyue Jing , Wei Zhang , Zan Li , Hailin Zhang

Orbital angular momentum (OAM) in electromagnetic (EM) waves can significantly enhance spectrum efficiency in wireless communications without requiring additional power, time, or frequency resources. Different OAM modes in EM waves create…

信号处理 · 电气工程与系统科学 2024-09-09 Runyu Lyu , Wenchi Cheng , Muyao Wang , Fan Qin , Tony Q. S. Quek

This paper introduces a groundbreaking Line-of-Sight (LoS) Multiple-Input Multiple-Output (MIMO) communication architecture leveraging non-traditional Orbital Angular Momentum (OAM) beams. Challenging the conventional paradigm of…

信号处理 · 电气工程与系统科学 2024-08-21 Yufei Zhao , Xiaoyan Ma , Yong Liang Guan , Yile Liu , Afkar Mohamed Ismail , Xiaobei Liu , Siew Yam Yeo , Chau Yuen

The emerging orbital angular momentum (OAM) based wireless communication is expected to be a high spectrum-efficiency communication paradigm to solve the growing transmission data rate and limited bandwidth problem. Academic researchers…

信号处理 · 电气工程与系统科学 2024-07-19 Liping Liang , Wenchi Cheng , Wei Zhang , Hailin Zhang

As the traditional resources (frequency, time, space, etc.) are efficiently utilized, it becomes more and more challenging to satisfy the ever-lasting capacity-growing and users-boosting demand in wireless networks. Recently, the…

信号处理 · 电气工程与系统科学 2018-04-23 Wenchi Cheng , Wei Zhang , Haiyue Jing , Shanghua Gao , Hailin Zhang

Orbital angular momentum (OAM) based radio vortex wireless communications have received much attention recently because it can significantly increase the spectrum efficiency. The uniform circular array (UCA) is a simple antenna structure…

信号处理 · 电气工程与系统科学 2018-09-14 Shanghua Gao , Wenchi Cheng , Wei Zhang , Hailin Zhang

Orbital angular momentum (OAM) at radio frequency (RF) provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectral efficiencies (SEs). However, the existing research on OAM…

信息论 · 计算机科学 2021-10-19 Wen-Xuan Long , Rui Chen , Marco Moretti , Jian Xiong , Jiandong Li

Orbital angular momentum (OAM) at radio frequency (RF) has attracted more and more attention as a novel approach of multiplexing a set of orthogonal OAM modes on the same frequency channel to achieve high spectral efficiency (SE). However,…

信息论 · 计算机科学 2021-12-02 Zhengjuan Tian , Rui Chen , Wen-Xuan Long , Hong Zhou , Marco Moretti

Orbital angular momentum (OAM)-carrying beams have gained significant attention in recent years due to their unique properties and potential to improve spectral efficiency and data transmission rates in optical communication systems.…

Orbital angular momentum (OAM), which is considered as a novel way to achieve high capacity, has been attracted much attention recently. OAM signals emitted by uniform circular array (UCA) are widely regarded to go through the Bessel-form…

信息论 · 计算机科学 2024-09-02 Haiyue Jing , Wenchi Cheng , Wei Zhang , Hailin Zhang

Orbital angular momentum (OAM) has been regarded as a potential dimension for optical communication and related fields. Despite several studies, the transmission of OAM beams through time-varying scattering media remains a challenge. In…

光学 · 物理学 2026-05-08 Heshen Li , Jin Wei , Tianshun Zhang , Wen Chen

Orbital angular momentum (OAM) has aroused a widespread interest in many fields, especially in telecommunications due to its potential for unleashing new capacity in the severely congested spectrum of commercial communication systems. Beams…

应用物理 · 物理学 2019-12-19 Rui Chen , Hong Zhou , Marco Moretti , Xiaodong Wang , Jiandong Li

The orbital angular momentum (OAM) technique provides a new degree of freedom for information transmissions in millimeter wave communications. Considering the spatial distribution characteristics of OAM beams, a new OAM spatial modulation…

网络与互联网体系结构 · 计算机科学 2016-12-19 Xiaohu Ge , Ran Zi , Xusheng Xiong , Qiang Li , Liang Wang

Structured light beams, in particular those carrying orbital angular momentum (OAM), have gained a lot of attention due to their potential for enlarging the transmission capabilities of communication systems. However, the use of…

The development of orbital angular momentum (OAM)-based radio vortex transmission presents a promising opportunity for increasing the capacity of wireless communication in correlated channels due to its inherent orthogonality among…

信号处理 · 电气工程与系统科学 2024-08-13 Wenchi Cheng , Haiyue Jing , Wei Zhang , Keyi Zhang , Hailin Zhang

The orbital angular momentum (OAM) wireless communication technique is emerging as one of potential techniques for the Sixth generation (6G) wireless communication system. The most advantage of OAM wireless communication technique is the…

网络与互联网体系结构 · 计算机科学 2021-12-10 Xusheng Xiong , Hanqiong Lou , Xiaohu Ge

The vortex electromagnetic wave carried by multiple orthogonal orbital angular momentum (OAM) modes in the same frequency band can be applied to the field of wireless communications, which greatly increases the spectrum efficiency. The…

信号处理 · 电气工程与系统科学 2024-06-11 Hongyun Jin , Wenchi Cheng , Haiyue Jing , Jingqing Wang
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