English
Related papers

Related papers: Capacity Analysis on OAM-Based Wireless Communicat…

200 papers

This paper explores the emerging research direction of electromagnetic information theory (EIT), which aims to integrate traditional Shannon-based methodologies with physical consistency, particularly the electromagnetic properties of…

Information Theory · Computer Science 2025-03-11 Tengjiao Wang , Zhenyu Kang , Ting Li , Zhihui Chen , Shaobo Wang , Yingpei Lin , Yan Wang , Yichuan Yu

Radio orbital angular momentum (OAM) communications require accurate alignment between the transmit and receive beam directions. Accordingly, a key feature of OAM receivers is the ability to reliably estimate the angle of arrival (AoA) of…

Signal Processing · Electrical Eng. & Systems 2021-10-19 Wen-Xuan Long , Rui Chen , Marco Moretti , Jiandong Li

This letter proposes the usage of orbital angular momentum (OAM) for cooperative non-orthogonal multiple access (CNOMA) to enhance sum capacity (SC) for the future cellular communication system. The proposed CNOMA-OAM scheme is analyzed and…

Signal Processing · Electrical Eng. & Systems 2019-06-24 Ahmed Al Amin , Bhaskara Narottama , Soo Young Shin

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…

Signal Processing · Electrical Eng. & Systems 2024-07-19 Liping Liang , Wenchi Cheng , Wei Zhang , Hailin Zhang

This paper addresses the RF link budget of a communication system using unusual waves carrying an orbital angular momentum (OAM) in order to clearly analyse the fundamental changes for telecommunication applications. The study is based on a…

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…

Signal Processing · Electrical Eng. & Systems 2024-08-13 Wenchi Cheng , Haiyue Jing , Wei Zhang , Keyi Zhang , Hailin Zhang

This paper presents an efficient analytical framework for evaluating the performance of inter-satellite communication systems utilizing orbital angular momentum (OAM) beams under pointing errors. An accurate analytical model is first…

Signal Processing · Electrical Eng. & Systems 2025-06-27 Mohammad Taghi Dabiri , Mazen Hasna

By enabling very high bandwidth for radio communications, the millimeter-wave (mmWave), which can easily be integrated with massive-multiple-input-multiple-output (massive-MIMO) due to small antenna size, has been attracting growing…

Signal Processing · Electrical Eng. & Systems 2024-08-15 Wenchi Cheng , Hailin Zhang , Liping Liang , Haiyue Jing , Zan Li

A short range experimental communication system, based on Orbital Angular Momentum (OAM) multiplexing, is presented. We characterize circular arrays of patch antennas designed to transmit and receive OAM electromagnetic fields, reporting…

Time, polarization, and wavelength multiplexing schemes have been used to satisfy the growing need of transmission capacity. Using space as a new dimension for communication systems has been recently suggested as a versatile technique to…

Information Theory · Computer Science 2019-03-05 Abderrahmen Trichili , Ki-Hong Park , Mourad Zghal , Boon S. Ooi , Mohamed-Slim Alouini

Simultaneous wireless information and power transfer (SWIPT), which achieves both wireless energy transfer (WET) and information transfer, is an attractive technique for future Internet of Everything (IoE) in the sixth-generation (6G)…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Runyu Lyu , Wenchi Cheng , Bazhong Shen , Zhiyuan Ren , Hailin Zhang

The extensive data interaction demands of an immersive metaverse necessitate the adoption of emerging technologies to enable high-capacity communication. Vortex electromagnetic waves with different orbital angular momentum (OAM) modes are…

Signal Processing · Electrical Eng. & Systems 2025-02-13 Hongyun Jin , Wenchi Cheng , Jingqing Wang , Wei Zhang

Wireless backhaul offers a more cost-effective, time-efficient, and reconfigurable solution than wired backhaul to connect the edge-computing cells to the core network. As the amount of transmitted data increases, the low-rank…

Information Theory · Computer Science 2023-12-05 Yufei Zhao , Ziyang Wang , Yilong Lu , Yong Liang Guan

Electromagnetic information theory (EIT) is one of the emerging topics for 6G communication due to its potential to reveal the performance limit of wireless communication systems. For EIT, one of the most important research directions is…

Information Theory · Computer Science 2025-04-14 Zhongzhichao Wan , Jieao Zhu , Yongli Yan , Linglong Dai

Due to its low energy consumption and simplicity, near field communication (NFC) has been extensively used in various short-range transmission scenarios, for example, proximity payment and NFC entrance guard. However, the low data rate of…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Runyu Lyu , Wenchi Cheng , Wei Zhang

This work proposes the use of orbital angular momentum (OAM) waves to improve the performance of a computational imaging (CI) system. Specifically, in contrast to a solely frequency-diverse operation, leveraging multiple OAM waves leads to…

Satellite-based quantum communications enable a bright future for global-scale information security. However, the spin orbital momentum of light, currently used in many mainstream quantum communication systems, only allows for quantum…

Quantum Physics · Physics 2020-07-07 Ziqing Wang , Robert Malaney , Jonathan Green

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…

Signal Processing · Electrical Eng. & Systems 2018-09-14 Shanghua Gao , Wenchi Cheng , Wei Zhang , Hailin Zhang

Light with orbital angular momentum (OAM) has great potentials in both classical and quantum optical communications such as enhancing the transmission capacity of a single communication channel because of its unlimited dimensions. Based on…

Quantum Physics · Physics 2015-07-10 Zhi-Yuan Zhou , Yan Li , Dong-Sheng Ding , Wei Zhang , Shuai Shi , Bao-Sen Shi , Guang-Can Guo

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…

Information Theory · Computer Science 2021-10-19 Wen-Xuan Long , Rui Chen , Marco Moretti , Jian Xiong , Jiandong Li