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Reconfigurable intelligent surface (RIS)-assisted communication is a key enabling technology for next-generation wireless communication networks, allowing for the reshaping of wireless channels without requiring traditional radio frequency…

信号处理 · 电气工程与系统科学 2025-11-18 Recep Vural , Aymen Khaleel , Ertugrul Basar

Reconfigurable intelligent surfaces (RISs) is a promising solution for enhancing the performance of multihop wireless communication networks. In this paper, we propose a double-RIS assisted multihop routing scheme for a device-to-device…

系统与控制 · 电气工程与系统科学 2024-03-25 Lakshmikanta Sau , Priyadarshi Mukherjee , Sasthi C. Ghosh

Reconfigurable intelligent surfaces (RISs) are two dimensional (2D) metasurfaces which can intelligently manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is viewed as a potential key technology for the…

信号处理 · 电气工程与系统科学 2022-06-07 Jie Huang , Cheng-Xiang Wang , Yingzhuo Sun , Rui Feng , Jialing Huang , Bolun Guo , Zhimeng Zhong , Tie Jun Cui

A wireless communication system is studied that operates in the presence of multiple reconfigurable intelligent surfaces (RISs). In particular, a multi-operator environment is considered where each operator utilizes an RIS to enhance its…

A fundamental challenge for millimeter wave (mmWave) communications lies in its sensitivity to the presence of blockages, which impact the connectivity of the communication links and ultimately the reliability of the entire network. In this…

信号处理 · 电气工程与系统科学 2021-01-05 Gui Zhou , Cunhua Pan , Hong Ren , Kezhi Wang , Maged Elkashlan , Marco Di Renzo

Intelligent reflecting surface (IRS) offers a cost effective solution to link blockage problem in mmWave communications, and the prerequisite of which is the accurate estimation of (1) the optimal beams for base station/access point (BS/AP)…

信息论 · 计算机科学 2021-01-13 Wei Wang , Wei Zhang

Vehicular communication is an important application of the fifth generation of mobile communication systems (5G). Due to its low cost and energy efficiency, intelligent reflecting surface (IRS) has been envisioned as a promising technique…

信号处理 · 电气工程与系统科学 2020-04-21 Jue Wang , Wence Zhang , Xu Bao , Tiecheng Song , Cunhua Pan

Maritime communication is becoming a vital component of 6G networks, driven by the rapid expansion of the maritime economy. However, existing technologies face critical challenges in signal coverage, availability, and robustness, especially…

信息论 · 计算机科学 2026-01-21 Qianqian Zhang , Long Wang , Ben Wu , Jia Mi

Reconfigurable intelligent surfaces (RISs) provide alternative routes for reflected signals to network users, offering numerous applications. This paper explores an innovative approach of strategically deploying RISs along road areas to…

信号处理 · 电气工程与系统科学 2024-08-12 Chang-Sik Choi , Junhyeong Kim , Junil Choi

With both the standardization and commercialization completed in an unforeseen pace for the 5th generation (5G) wireless network, researchers, engineers and executives from the academia and the industry have turned their sights on candidate…

网络与互联网体系结构 · 计算机科学 2024-02-20 Ruiqi Liu , Qingqing Wu , Marco Di Renzo , Yifei Yuan

Active reconfigurable intelligent surfaces (RISs) can improve the performance of integrated sensing and communication (ISAC), and therefore enable simultaneous data transmission and target sensing. However, when the line-of-sight (LoS) link…

信号处理 · 电气工程与系统科学 2024-10-17 Ahmed Magbool , Vaibhav Kumar , Mark F. Flanagan

This paper introduces a method to reduce interference in OFDM radar systems through the use of reconfigurable intelligent surfaces (RIS). The method involves adjusting the RIS elements to diminish interference effects and improve the…

信号处理 · 电气工程与系统科学 2025-02-21 Ali Parchekani , Milad Johnny , Shahrokh Valaee

Reconfigurable intelligent surface (RIS) has been widely discussed as new technology to improve wireless communication performance. Based on the unique design of RIS, its elements can reflect, refract, absorb, or focus the incoming waves…

信号处理 · 电气工程与系统科学 2020-09-03 Salah Eddine Zegrar , Liza Afeef , Huseyin Arslan

Reconfigurable intelligent surface (RIS) as a smart reflector is revolutionizing research for next-generation wireless communications. Complementing this is a concept of using RIS as an efficient propagation medium for potentially superior…

信号处理 · 电气工程与系统科学 2023-08-04 Z. Chu , K. F. Tong , K. K. Wong , C. B. Chae , C. H. Chan

Reconfigurable intelligent surfaces (RISs) have attracted increasing interest due to their ability to improve the coverage, reliability, and energy efficiency of millimeter wave (mmWave) communication systems. However, designing the RIS…

信号处理 · 电气工程与系统科学 2022-11-15 Shuaifeng Jiang , Ahmed Hindy , Ahmed Alkhateeb

This letter considers the reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV) communication systems in urban areas under the general Rician fading channel. A hybrid offline-online design is proposed to improve the…

信号处理 · 电气工程与系统科学 2022-05-30 Kaiyuan Tian , Bin Duo , Xiaojun Yuan , Wu Luo

With the capability to support gigabit data rates, millimetre-wave (mm-Wave) communication is unanimously considered a key technology of future cellular networks. However, the harsh propagation at such high frequencies makes these networks…

网络与互联网体系结构 · 计算机科学 2021-06-09 Eugenio Moro , Ilario Filippini , Antonio Capone , Danilo De Donno

A novel reconfigurable intelligent surface (RIS)-aided hybrid reflection/transmitter design is proposed for achieving information exchange in cross-media communications. In pursuit of the balance between energy efficiency and low-cost…

信号处理 · 电气工程与系统科学 2022-11-08 Mingming Wu , Yue Xiao , Yulan Gao , Ming Xiao

This paper investigates the performance of vehicleto-vehicle (V2V) communications assisted by a reconfigurable intelligent surface (RIS) and a simultaneous transmitting and reflecting intelligent omni-surface (STAR-IOS) under nonorthogonal…

信息论 · 计算机科学 2023-09-15 Farshad Rostami Ghadi , Masoud Kaveh , Diego Martin

Reconfigurable Intelligent Surfaces (RIS) have emerged as a key enabler for programmable wireless environments in future Beyond-5G (B5G) and 6G networks. In the meantime, Integrated Sensing and Communication (ISAC) and Physical-Layer…

信号处理 · 电气工程与系统科学 2026-04-23 Wenqing Dai , Jan Herbst , Jan Petershans , Christoph Lipps , Hans D. Schotten