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In this paper, we investigate the use of intelligent reflecting surfaces (IRSs) to relax the line-of-sight requirement of free space optical (FSO) systems. Considering a Gaussian laser beam, we first design a phase-shift distribution across…

信息论 · 计算机科学 2021-04-22 Marzieh Najafi , Bernhard Schmauss , Robert Schober

This letter presents a detailed performance analysis of the intelligent reflecting surface (IRS) aided single-input single-output communication systems, taking into account of the direct link between the transmitter and receiver. A…

信息论 · 计算机科学 2020-08-04 Qin Tao , Junwei Wang , Caijun Zhong

This paper considers an intelligent reflecting surface (IRS)-assisted bi-static localization architecture for the sixth-generation (6G) integrated sensing and communication (ISAC) network. The system consists of a transmit user, a receive…

信号处理 · 电气工程与系统科学 2025-02-05 Weifeng Zhu , Qipeng Wang , Shuowen Zhang , Boya Di , Liang Liu , Yonina C. Eldar

Intelligent reflecting surface (IRS) is a promising new technology for achieving spectrum and energy efficient wireless communication systems in the future. By adaptively varying the incident signals' phases/amplitudes and thereby…

信号处理 · 电气工程与系统科学 2019-08-22 Yifei Yang , Shuowen Zhang , Rui Zhang

Cooperative Intelligent Transportation Systems (C-ITS) constitute technologies which enable vehicles to communicate with each other and with road infrastructure. Verification or testing is required for C-ITS applications, in order to assess…

其他计算机科学 · 计算机科学 2020-10-21 Kallirroi N. Porfyri , Areti Kotsi , Evangelos Mitsakis

Unmanned Aerial Vehicles (UAVs) are an important component of next-generation wireless networks that can assist in high data rate communications and provide enhanced coverage.Their high mobility and aerial nature offer deployment…

信号处理 · 电气工程与系统科学 2022-09-21 Wali Ullah Khan , Eva Lagunas , Zain Ali , Muhammad Awais Javed , Manzoor Ahmed , Symeon Chatzinotas , Björn Ottersten , Petar Popovski

This study evaluates the performance of Vehicle-to-Vehicle Visible Light Communication in dynamic environments, focusing on the effects of speed, horizontal offset, and other factors on communication reliability. Using On-Off Keying…

信号处理 · 电气工程与系统科学 2025-03-06 Jinrui Hong , Xiayue Liu , Hanye Li , Yufei Jiang

Intelligent reflecting surface (IRS) has been widely studied in recent years, it has emerged as a new technology which can reflect the incident signal by intelligently configuring the reflection elements, thus changing the signal…

信息论 · 计算机科学 2024-05-07 Jintao Luo , Sixing Yin

Optical intelligent reflecting surface (OIRS) has attracted increasing attention due to its capability of overcoming signal blockages in visible light communication (VLC), an emerging technology for the next-generation advanced…

信息论 · 计算机科学 2024-04-24 Shiyuan Sun , Fang Yang , Weidong Mei , Jian Song , Zhu Han , Rui Zhang

The emergence of visible light communication (VLC) technology as a solution to solve radio frequency impediments, such as spectrum shortage, is continuously appealing. In addition to its large and unlicensed bandwidth, VLC provides a high…

信号处理 · 电气工程与系统科学 2020-09-16 Alain R. Ndjiongue , Telex M. N. Ngatched , Octavia A. Dobre , Harald Haas

The integration of Visible-Light Communications technology (VLC) in Intelligent Transportation Systems (ITS) is a very promising platform for a cost-effective implementation of revolutionary ITS and cooperative ITS protocols. In this paper,…

信号处理 · 电气工程与系统科学 2023-02-03 Tassadaq Nawaz , Marco Seminara , Stefano Caputo , Lorenzo Mucchi , Francesco Cataliotti , Jacopo Catani

Reconfigurable intelligent surface (RIS)-aided vehicle-to-everything (V2X) communication has emerged as a crucial solution for providing reliable data services to vehicles on the road. However, in delay-sensitive or high-mobility…

信号处理 · 电气工程与系统科学 2025-03-03 Shuaijun Li , Jie Tang , Beixiong Zheng , Xiaokai Song , Guixin Pan , Kai-Kit Wong

In this letter, we consider an intelligent reflecting surface (IRS)-aided wireless communication system, where an active or passive IRS is employed to assist the communication between an access point and a user. First, we consider the…

信息论 · 计算机科学 2021-09-13 Changsheng You , Rui Zhang

This paper studies the physical layer security (PLS) of a vehicular network employing a reconfigurable intelligent surface (RIS). RIS technologies are emerging as an important paradigm for the realisation of smart radio environments, where…

信号处理 · 电气工程与系统科学 2019-12-30 Abubakar U. Makarfi , Khaled M. Rabie , Omprakash Kaiwartya , Xingwang Li , Rupak Kharel

Intelligent reflecting surface (IRS) technology has become a crucial enabler for creating cost effective, innovative, and adaptable wireless communication environments. This study investigates an IRS-assisted orthogonal time frequency space…

信号处理 · 电气工程与系统科学 2024-08-06 Sushmita Singh , Kuntal Deka , Sanjeev Sharma , Neelakandan Rajamohan

Intelligent reflecting/refracting surface (IRS) has recently emerged as a promising solution to reconfigure wireless propagation environment for enhancing the communication performance. In this paper, we study a new IRS-aided high-mobility…

信息论 · 计算机科学 2021-12-14 Zixuan Huang , Beixiong Zheng , Rui Zhang

Integrated sensing and communication (ISAC) plays a crucial role in the Internet of Vehicles (IoV), serving as a key factor in enhancing driving safety and traffic efficiency. To address the security challenges of the confidential…

信息论 · 计算机科学 2025-02-20 Kaixuan Li , Kan Yu , Xiaowu Liu , Qixun Zhang , Zhiyong Feng , Dong Li

This letter investigates physical layer security in intelligent reflecting surface (IRS)-aided visible light communication (VLC). Under the point source assumption, we first elaborate the system model in the scenario with multiple…

信息论 · 计算机科学 2022-01-04 Shiyuan Sun , Fang Yang , Jian Song , Zhu Han

Vehicle-infrastructure communication opens up new ways to improve traffic flow efficiency at signalized intersections. In this study, we assume that equipped vehicles can obtain information about switching times of relevant traffic lights…

物理与社会 · 物理学 2014-04-01 Martin Treiber , Arne Kesting

The intelligent reflecting surface (IRS) alters the behavior of wireless media and, consequently, has potential to improve the performance and reliability of wireless systems such as communications and radar remote sensing. Recently,…

信号处理 · 电气工程与系统科学 2023-04-13 Ahmet M. Elbir , Kumar Vijay Mishra , M. R. Bhavani Shankar , Symeon Chatzinotas