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相关论文: NLOS UV Channel Modeling Using Numerical Integrati…

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This paper tackles limitations in existing non-line-of-sight (NLoS) ultraviolet (UV) channel models, where conventional approaches assume obstacle-free propagation or uniform radiation intensity. In this paper, we develop a path loss model…

信号处理 · 电气工程与系统科学 2025-03-20 Tianfeng Wu , Fang Yang , Fei Li , Renzhi Yuan , Tian Cao , Ling Cheng , Jian Song , Julian Cheng , Zhu Han

Existing studies on ultraviolet (UV) non-line-of-sight (NLoS) channel modeling primarily focus on scenarios without any obstacle, which makes them unsuitable for small transceiver elevation angles in most cases. To address this issue, a UV…

信号处理 · 电气工程与系统科学 2025-06-27 Tianfeng Wu , Fang Yang , Tian Cao , Ling Cheng , Yupeng Chen , Jian Song , Julian Cheng , Zhu Han

In the non-line of sight (NLOS) ultraviolet (UV) scattering communication, the received signals exhibit the characteristics of discrete photoelectrons due to the extremely large path loss. We design and demonstrate an NLOS UV scattering…

信号处理 · 电气工程与系统科学 2018-02-13 Guanchu Wang , Kun Wang , Chen Gong , Difan Zou , Zhimeng Jiang , Zhengyuan Xu

As transceiver elevation angles increase from small to large, existing ultraviolet (UV) non-line-of-sight (NLoS) models encounter two challenges: i) cannot estimate the channel characteristics of UV NLoS communication scenarios when there…

信号处理 · 电气工程与系统科学 2024-11-26 Tianfeng Wu , Fang Yang , Tian Cao , Ling Cheng , Yupeng Chen , Jian Song , Julian Cheng , Zhu Han

Modeling of multiple-scattering channels in atmospheric turbulence is essential for the performance analysis of long-distance non-line-of-sight (NLOS) ultraviolet (UV) communications. Existing works on the turbulent channel modeling for…

系统与控制 · 电气工程与系统科学 2025-12-25 Renzhi Yuan , Xinyi Chu , Tao Shan , Chuang Yang , Mugen Peng

A closed-form non-line-of-sight (NLOS) turbulenceinduced fluctuation model is derived for ultraviolet scattering communication (USC), which models the received irradiance fluctuation by Meijer G function. Based on this model, we investigate…

信号处理 · 电气工程与系统科学 2022-12-02 Zanqiu Shen , Jianshe Ma , Tianfeng Wu , Tao Shan , Yupeng Chen , Ping Su

We design a receiver assembling several photomultipliers (PMTs) as an array to increase the field of view (FOV) of the receiver and adapt to multiuser situation over None-line-of-sight (NLOS) ultraviolet (UV) channels. Channel estimation…

信息论 · 计算机科学 2023-04-26 Yubo Zhang , Yuchen Pan , Chen Gong , Beiyuan Liu , Zhengyuan Xu

Nonline of sight (NLOS) ultraviolet (UV) scattering communication can serve as a good candidate for outdoor optical wireless communication (OWC) in the cases of non-perfect transmitter-receiver alignment and radio silence. We design and…

系统与控制 · 电气工程与系统科学 2024-04-16 Yuchen Pan , Fei Long , Ping Li , Haotian Shi , Jiazhao Shi , Hanlin Xiao , Chen Gong , Zhengyuan Xu

Previous studies on the temporal characteristics of single-scatter transmission in non-line-of-sight (NLOS) ultraviolet communications (UVC) were based on the prolate-spheroidal coordinate system. In this work, a novel single-scatter…

信号处理 · 电气工程与系统科学 2026-03-18 Tian Cao , Shihan Chen , Tianfeng Wu , Changyong Pan , Jian Song

Compared with line-of-sight (LOS) communication, nonline-of-sight (NLOS) underwater wireless optical communication (UWOC) systems have garnered extensive attention because of their heightened suitability for the intricate and dynamic…

大气与海洋物理 · 物理学 2025-01-23 Peng Yue , XiangRu Wang , Shan Xu , YunLong Li

Vehicular visible light communication (V-VLC) aims to provide secure complementary vehicle to everything communications (V2X) to increase road safety and traffic efficiency. V-VLC provides directional transmissions, mainly enabling…

信号处理 · 电气工程与系统科学 2021-11-23 Bugra Turan , Omer Narmanlioglu , Osman Nuri Koc , Emrah Kar , Sinem Coleri , Murat Uysal

Analysis of line-of-sight and non-line-of-sight (LOS/NLOS) visibility conditions is an important aspect of wireless channel modeling. For statistical channel models the Monte Carlo simulations are usually used to generate spatially…

信息论 · 计算机科学 2020-05-06 Rimvydas Aleksiejunas

Non-Line-of-Sight (NLOS) imaging allows to observe objects partially or fully occluded from direct view, by analyzing indirect diffuse reflections off a secondary, relay surface. Despite its many potential applications, existing methods…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Xiaochun Liu , Ibón Guillén , Marco La Manna , Ji Hyun Nam , Syed Azer Reza , Toan Huu Le , Diego Gutierrez , Adrian Jarabo , Andreas Velten

The channel modeling of unnamed aerial vehicle (UAV)-based free-space optical (FSO) links with nonzero boresight pointing error is the subject of this paper. In particular, utilizing log-normal turbulence model, we propose a novel…

信号处理 · 电气工程与系统科学 2020-04-22 Mohammad Taghi Dabiri , Mohsen Rezaee , Imran Shafique Ansari

We consider the non-line-of-sight (NLOS) imaging of an object using the light reflected off a diffusive wall. The wall scatters incident light such that a lens is no longer useful to form an image. Instead, we exploit the 4D spatial…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Andre Beckus , Alexandru Tamasan , George K. Atia

Non-Line-of-Sight (NLOS) imaging reconstructs the shape and depth of hidden objects from picosecond-resolved transient signals, offering potential applications in autonomous driving, security, and medical diagnostics. However, current NLOS…

In this paper, a deterministic channel model for vehicle-to-vehicle (V2V) communication, is compared against channel measurement data collected during a V2V channel measurement campaign using a channel sounder. Channel metrics such as…

网络与互联网体系结构 · 计算机科学 2015-08-04 Taimoor Abbas , Jörg Nuckelt , Thomas Kürner , Thomas Zemen , Christoph Mecklenbräuker , Fredrik Tufvesson

Ultrawideband (UWB) technology has attracted a lot of attention for indoor and outdoor positioning systems due to its high accuracy and robustness in non-line-of-sight (NLOS) environments. However, UWB signals are affected by multipath…

信号处理 · 电气工程与系统科学 2023-08-16 Mohammed Dahiru Buhari , Tri Bagus Susilo , Irfan Khan , Bashir Olaniyi Sadiq

The emulation of wireless nodes spatial position is a practice used by deployment engineers and network planners to analyze the characteristics of a network. In particular, nodes geolocation will directly impact factors such as…

信息论 · 计算机科学 2013-06-06 Mouhamed Abdulla , Yousef R. Shayan

Vehicle-to-vehicle (V2V) communication can improve road safety and traffic efficiency, particularly around critical areas such as intersections. We analytically derive V2V success probability near an urban intersection, based on empirically…

信息论 · 计算机科学 2016-10-11 Mouhamed Abdulla , Erik Steinmetz , Henk Wymeersch
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