English
Related papers

Related papers: Outage Analysis for Active Reconfigurable Intellig…

200 papers

Future wireless communication networks are expected to be smarter and more aware of their surroundings, enabling a wide range of context-aware applications. Reconfigurable intelligent surfaces (RISs) are set to play a critical role in…

Information Theory · Computer Science 2025-03-13 Yixuan Huang , Jie Yang , Chao-Kai Wen , Shi Jin

Reconfigurable intelligent surface (RIS) technology is a promising method to enhance wireless communications services and to realize the smart radio environment. In this paper, we investigate the application of RIS in D2D communications,…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Zelin Ji , Zhijin Qin , Clive G. Parini

Reconfigurable intelligent surfaces (RISs) have promising coverage and data rate gains for wireless communication systems in 5G and beyond. Prior work has mainly focused on analyzing the performance of these surfaces using computer…

Reconfigurable Intelligent Surfaces (RIS) have recently emerged as a hot research topic, being widely advocated as a candidate technology for next generation wireless communications. These surfaces passively alter the behavior of…

Information Theory · Computer Science 2026-05-26 Charbel Bou Chaaya , Mohamad Assaad , Tijani Chahed

The employment of intelligent reflecting surfaces (IRSs) is a potential and promising solution to increase the spectral and energy efficiency of wireless communication networks. Despite their many advantages, IRS-aided communications have…

Information Theory · Computer Science 2021-03-26 Constantinos Psomas , Ioannis Krikidis

Reconfigurable Intelligent Surfaces (RISs) are a novel form of ultra-low power devices that are capable to increase the communication data rates as well as the cell coverage in a cost- and energy-efficient way. This is attributed to their…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Ruiqi Liu , Shuang Zheng , Qingqing Wu , Yifan Jiang , Nan Zhang , Yuanwei Liu , Marco Di Renzo , and George C. Alexandropoulos

Reconfigurable Intelligent Surface (RIS) has emerged as a promising technology to enhance the wireless propagation environment for next-generation wireless communication systems. This paper introduces a new RIS-assisted multiple-antenna…

Information Theory · Computer Science 2025-11-14 Xiaofan Niu , Minquan Cheng , Kai Wan , Robert Caiming Qiu , Giuseppe Caire

In this article, we overview intelligent reflecting surface (IRS)-empowered wireless communication systems. We first present the fundamentals of IRS-assisted wireless transmission. On this basis, we explore the integration of IRS with…

Information Theory · Computer Science 2021-01-20 Ming Zeng , Ebrahim Bedeer , Xingwang Li , Quoc-Viet Pham , Octavia A. Dobre , Paul Fortier , Leslie A. Rusch

Reconfigurable intelligent surface (RIS) is an emerging technology for application to wireless communications. In this paper, we consider the problem of anomalous reflection and model the RIS as a periodic surface impedance boundary. We…

Optimization and Control · Mathematics 2026-02-09 Ahmed Najjar , Hajar El Hassani , Marco Di Renzo , Kezhi Wang , Merouane Debbah

Recent advances in the fabrication and experimentation of Reconfigurable Intelligent Surfaces (RISs) have motivated the concept of the smart radio environment, according to which the propagation of information-bearing waveforms in the…

Information Theory · Computer Science 2021-07-27 George C. Alexandropoulos , Nir Shlezinger , Philipp del Hougne

Conventional Reconfigurable intelligent surfaces (RIS) for wireless communications have a local position-dependent (phase-gradient) scattering response on the surface. We consider more general RIS structures, called nonlocal (or…

Information Theory · Computer Science 2024-04-04 Amine Mezghani , Faouzi Bellili , Ekram Hossain

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…

Information Theory · Computer Science 2024-05-07 Jintao Luo , Sixing Yin

Intelligent reflecting surface (IRS) is envisioned to be a new and revolutionizing technology for achieving spectrum and energy efficient wireless communication networks cost-effectively in the future. Specifically, an IRS consists of a…

Information Theory · Computer Science 2019-08-13 Qingqing Wu , Rui Zhang

Reconfigurable Intelligent Surfaces (RISs) have gained immense popularity in recent years because of their ability to improve wireless coverage and their flexibility to adapt to the changes in a wireless environment. These advantages are…

Signal Processing · Electrical Eng. & Systems 2023-07-24 Morteza Tavana , Meysam Masoudi , Emil Björnson

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…

Information Theory · Computer Science 2026-03-16 Victor Croisfelt , Fabio Saggese , Israel Leyva-Mayorga , Radoslaw Kotaba , Gabriele Gradoni , Petar Popovski

Reconfigurable intelligent surface (RIS)-empowered communication is a revolutionary technology that enables to manipulate wireless propagation environment via smartly controllable low-cost reflecting surfaces. However, in order to…

Information Theory · Computer Science 2022-12-13 Zehra Yigit , Ertugrul Basar , Ibrahim Altunbas

Semantic communication, which focuses on conveying the meaning of information rather than exact bit reconstruction, has gained considerable attention in recent years. Meanwhile, reconfigurable intelligent surface (RIS) is a promising…

Information Theory · Computer Science 2023-06-30 Jiajia Shi , Tse-Tin Chan , Haoyuan Pan , Tat-Ming Lok

Reconfigurable intelligent surfaces (RISs) are expected to make future 6G networks more connected and resilient against node failures, due to their ability to introduce controllable phase-shifts onto impinging electromagnetic waves and…

Information Theory · Computer Science 2023-08-22 Mohammed S. Al-Abiad , Mohammad Javad-Kalbasi , Shahrokh Valaee

Reconfigurable Intelligent Surfaces (RISs) are expected to play a crucial role in reaching the key performance indicators (KPIs) for future 6G networks. Their competitive edge over conventional technologies lies in their ability to control…

Networking and Internet Architecture · Computer Science 2023-03-03 Antonio Albanese , Francesco Devoti , Vincenzo Sciancalepore , Marco Di Renzo , Albert Banchs , Xavier Costa-Pérez

Integrated sensing and communication (ISAC), which simultaneously performs sensing and communication functions within a shared frequency band and hardware platform, has emerged as a promising technology for future wireless systems.…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Qi Zhu , Ming Li , Rang Liu , Qian Liu
‹ Prev 1 8 9 10 Next ›