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相关论文: Optimum Reconfigurable Intelligent Surface Selecti…

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The technology of reconfigurable intelligent surfaces (RIS) has been showing promising potential in a variety of applications relying on Beyond-5G networks. Reconfigurable intelligent surface (RIS) can indeed provide fine channel…

The use of Reconfigurable Intelligent Surfaces (RIS) technology to extend coverage and allow for better control of the wireless environment has been proposed in several use cases, including Ultra-Reliable Low-Latency Communications (URLLC),…

信息论 · 计算机科学 2026-03-16 Fabio Saggese , Federico Chiariotti , Kimmo Kansanen , Petar Popovski

Reconfigurable intelligent surfaces (RISs) have recently gained significant interest as an emerging technology for future wireless networks. This paper studies an RIS-assisted propagation environment, where a single-antenna source transmits…

Reconfigurable intelligent surfaces (RIS) are passive controllable arrays of small reflectors that direct electromagnetic energy towards or away from the target nodes, thereby allowing better management of signals and interference in a…

信息论 · 计算机科学 2023-01-13 Bharath Shamasundar , Negar Daryanavardan , Aria Nosratinia

Reconfigurable intelligent surface (RIS) as an emerging cost-effective technology can enhance the spectrum- and energy-efficiency of wireless networks. In this paper, we consider an RIS-aided green edge inference system, where the inference…

信号处理 · 电气工程与系统科学 2024-10-30 Sheng Hua , Yong Zhou , Kai Yang , Yuanming Shi

A reconfigurable intelligent surface (RIS) is a prospective wireless technology that enhances wireless channel quality. An RIS is often equipped with passive array of elements and provides cost and power-efficient solutions for coverage…

信息论 · 计算机科学 2024-03-20 Hyuckjin Choi , Ly V. Nguyen , Junil Choi , A. Lee Swindlehurst

Reconfigurable intelligent surface (RIS) is an emerging technique employing metasurface to reflect the signal from the source node to the destination node. By smartly reconfiguring the electromagnetic (EM) properties of the metasurface and…

信息论 · 计算机科学 2022-06-30 Qi Gu , Dan Wu , Xin Su , Hanning Wang , Jingyuan Cui , Yifei Yuan

Recently, a novel structures of reconfigurable intelligent surface (RIS) integrating both passive and active elements, termed reconfigurable intelligent sensing surface (RISS), efficiently addresses challenges in RIS channel estimation and…

信号处理 · 电气工程与系统科学 2025-03-12 Cheng Luo , Jie Hu , Luping Xiang , Kun Yang

Reconfigurable intelligent surfaces (RISs) are arrays of passive elements that can control the reflection of the incident electromagnetic waves. While RIS are particularly useful to avoid blockages, the protocol aspects for their…

The reconfigurable intelligent surface (RIS) is a promising technology for next-generation wireless communication. It comprises many passive antennas, which reflect signals from the transmitter to the receiver with adjusted phases without…

信号处理 · 电气工程与系统科学 2023-01-18 Bile Peng , Finn Siegismund-Poschmann , Eduard A. Jorswieck

Reconfigurable intelligent surfaces (RISs) provide an interface between the electromagnetic world of wireless propagation environments and the digital world of information science. Simple yet sufficiently accurate path loss models for RISs…

信号处理 · 电气工程与系统科学 2022-08-29 Wankai Tang , Xiangyu Chen , Ming Zheng Chen , Jun Yan Dai , Yu Han , Marco Di Renzo , Shi Jin , Qiang Cheng , Tie Jun Cui

This paper focuses on the design of transmission methods and reflection optimization for a wireless system assisted by a single or multiple reconfigurable intelligent surfaces (RISs). The existing techniques are either too complex to…

信息论 · 计算机科学 2023-09-13 Wei Jiang , Hans D. Schotten

In this paper, we study the advantages of using reconfigurable intelligent surfaces (RISs) for interference suppression in single-input single-output (SISO) distributed Internet of Things (IoT) networks. Implementing RIS-assisted networks…

信息论 · 计算机科学 2022-12-19 Sajjad Nassirpour , Alireza Vahid , Dinh-Thuan Do , Dinesh Bharadia

In recent years, a brand-new technology, reconfigurable intelligent surface (RIS) has been widely studied for reconfiguring the wireless propagation environment. RIS is an artificial surface of electromagnetic material that is capable of…

信号处理 · 电气工程与系统科学 2022-09-13 Rujing Xiong , Xuehui Dong , Tiebin Mi , Robert caiming Qiu

In the recent years, the proliferation of wireless data traffic has led the scientific community to explore the use of higher unallocated frequency bands, such as the millimeter wave and terahertz (0.1-10 THz) bands. However, they are prone…

信号处理 · 电气工程与系统科学 2020-08-17 Evangelos N. Papasotiriou , Alexandros-Apostolos A. Boulogeorgos , Antigone Stratakou , Angeliki Alexiou

A promising type of Reconfigurable Intelligent Surface (RIS) employs tunable control of its varactors using biasing transmission lines below the RIS reflecting elements. Biasing standing waves (BSWs) are excited by a time-periodic signal…

新兴技术 · 计算机科学 2025-05-13 Gal Ben Itzhak , Miguel Saavedra-Melo , Ender Ayanoglu , Filippo Capolino , A. Lee Swindlehurst

The design and optimization of Reconfigurable Intelligent Surfaces (RISs) are key challenges for future wireless communication systems. RISs are devices that can manipulate electromagnetic (EM) waves in a programmable way, thus enhancing…

Intelligent surfaces that reshape electromagnetic waves are regarded as disruptive technologies for wireless networks. However, existing designs sit at two costly extremes: dynamic reconfigurable intelligent surfaces (RISs) offer fine beam…

信号处理 · 电气工程与系统科学 2025-11-24 Ziyuan Zheng , Qingqing Wu , Wen Chen , Weiren Zhu , Ying Gao

Reconfigurable intelligent surface (RIS) is a promising technology for RF wireless power transfer (WPT) as it is capable of beamforming and beam focusing without using active and power-hungry components. In this paper, we propose a…

信号处理 · 电气工程与系统科学 2024-10-28 Nguyen Minh Tran , Muhammad Miftahul Amri , Je Hyeon Park , Dong In Kim , Kae Won Choi

Reconfigurable intelligent surfaces (RISs) are envisioned to be a disruptive wireless communication technique that is capable of reconfiguring the wireless propagation environment. In this paper, we study a free-space RIS-assisted…

信息论 · 计算机科学 2022-09-19 Xin Cheng , Yan Lin , Weiping Shi , Jiayu Li , Cunhua Pan , Feng Shu , Yongpeng Wu , Jiangzhou Wang