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相关论文: Receiver Design for OWC Orbital Angular Momentum C…

200 篇论文

Optical angular momentum (OAM) in light beams is manifested as the two-dimensional spatial distribution of its complex amplitude, necessitating a 2D detector for its measurement. Here we present a novel speckle-based machine learning…

光学 · 物理学 2024-12-19 Vijay Kumar , Purnesh Singh Badavath

In this paper, we propose a method to generate Orbital Angular Momentum (OAM) carrying vortex waves inside a metallic circular waveguide (CW). These waves feature ability to carry multiple orthogonal modes at the same frequency, by the…

系统与控制 · 电气工程与系统科学 2021-09-30 Md Khadimul Islam , Arjuna Madanayake , Shubhendu Bhardwaj

The spectrum share and open nature of wireless channels enable integrated sensing and communication (ISAC) susceptible to hostile jamming attacks. Due to the intrinsic orthogonality and rich azimuth angle information of orbital angular…

信号处理 · 电气工程与系统科学 2024-06-11 Liping Liang , Wenchi Cheng , Wei Zhang , Zhuohui Yao

Optical wireless communication (OWC) is a promising technology for future wireless communications owing to its potentials for cost-effective network deployment and high data rate. There are several implementation issues in the OWC which…

信息论 · 计算机科学 2023-12-05 Hoon Lee , Sang Hyun Lee , Tony Q. S. Quek , Inkyu Lee

Optical wireless communication (OWC) systems have been the subject of a significant amount of interest as they can be used in sixth generation (6G) wireless communication to provide high data rates and support multiple users simultaneously.…

An orbital-angular-momentum (OAM) mode-group multiplexing (MGM) scheme based on a graded-index ring-core fiber (GIRCF) is proposed, in which a single-input two-output (or receive diversity) architecture is designed for each MG channel and…

信号处理 · 电气工程与系统科学 2018-03-14 Junwei Zhang , Guoxuan Zhu , Liu Jie , Xiong Wu , Jianbo Zhu , Cheng Du , Wenyong Luo , Siyuan Yu

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

Light carrying orbital angular momentum (OAM) has potential to impact a wide variety of applications ranging from optical communications to quantum information and optical forces for the excitation and manipulation of atoms, molecules, and…

光学 · 物理学 2014-08-15 Jie Sun , Ami Yaacobi , Michele Moresco , Douglas Coolbaugh , Michael R. Watts

Orthogonal frequency division multiplexing (OFDM), usually with sufficient cyclic prefix (CP), has been widely applied in various communication systems. The CP in OFDM consumes additional resource and reduces spectrum and energy efficiency.…

信息论 · 计算机科学 2019-05-07 Jing Zhang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

High-dimensional entanglement has demonstrated potential for increasing channel capacity and resistance to noise in quantum information processing. However, its distribution is a challenging task, imposing a severe restriction on its…

Orbital angular momentum (OAM) carried electromagnetic waves have the potential to improve spectrum efficiency in optical and radio-frequency communications due to the orthogonal wavefronts of different OAM modes. However, OAM beams are…

信号处理 · 电气工程与系统科学 2024-06-11 Runyu Lyu , Wenchi Cheng , Muyao Wang , Wei Zhang

Since the advent of optical orbital angular momentum (OAM), advances in the generation and manipulation of OAM beams have continuously impacted on intriguing applications including optical communication, optical tweezers, and remote…

光学 · 物理学 2022-05-04 Tianyue Hou , Qi Chang , Jinhu Long , Pengfei Ma , Pu Zhou

We consider a system that integrates positioning and single-user millimeter wave (mmWave) communication, where the communication part adopts wavelength division multiplexing (WDM) and orbital angular momentum (OAM). This paper addresses the…

信息论 · 计算机科学 2022-10-13 Yuan Wang , Chen Gong , Nuo Huang , Zhengyuan Xu

Due to the potential capacity-boosting for wireless communications, the Radio vOrtex Wireless COMMunication (RowComm) over orthogonal states/modes of Orbital Angular Momentum (OAM) has been paid much attention in recent years. Uniform…

信号处理 · 电气工程与系统科学 2024-08-29 Haiyue Jing , Wenchi Cheng , Zan Li , Hailin Zhang

Quantum networks are the ultimate target in quantum communication, where many connected users can share information carried by quantum systems. The keystones of such structures are the reliable generation, transmission and manipulation of…

In this correspondence, we propose a new receiver design for high-mobility orthogonal frequency division multiplexing (OFDM) downlink transmissions with a large-scale antenna array. The downlink signal experiences the challenging fast…

信息论 · 计算机科学 2017-05-19 Wei Guo , Weile Zhang , Pengcheng Mu , Feifei Gao

As an attractive degree of freedom in electromagnetic (EM) waves, the orbital angular momentum (OAM) enables infinite communication channels for both classical and quantum communications. The exploration of OAM generation inspires various…

光学 · 物理学 2018-08-21 Menglin L. N. Chen , Li Jun Jiang , Wei E. I. Sha

Orthogonal frequency division multiplexing (OFDM) has been widely recognized as the representative waveform for 5G wireless networks, which can directly support sensing/positioning with existing infrastructure. To guarantee superior…

信号处理 · 电气工程与系统科学 2024-03-21 Fan Zhang , Tianqi Mao , Ruiqi Liu , Zhu Han , Sheng Chen , Zhaocheng Wang

Recently, a camera or an image sensor receiver based optical wireless communications (OWC) techniques have attracted particular interest in areas such as the internet of things, indoor localization, motion capture, and intelligent…

图像与视频处理 · 电气工程与系统科学 2019-10-17 Nasir Saeed , Shuaishuai Guo , Ki-Hong Park , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Integrated sensing and communication (ISAC) is a promising paradigm for future wireless systems due to spectrum reuse, hardware sharing, and joint waveform design. In dynamic scenes, Doppler shifts degrade both sensing and communication,…

信号处理 · 电气工程与系统科学 2025-12-04 Yuan Liu , Wen-Xuan Long , M. R. Bhavani Shankar , Marco Moretti , Rui Chen , Björn Ottersten