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Related papers: RIS-Aware Indoor Network Planning: The Rennes Rail…

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We consider reconfigurable intelligent surface (RIS) aided sixth-generation (6G) terahertz (THz) communications for indoor environment in which a base station (BS) wishes to send independent messages to its serving users with the help of…

Information Theory · Computer Science 2023-03-22 Najam Us Saqib , Shumei Hou , Sung Ho Chae , Sang-Woon Jeon

Reconfigurable intelligent surface (RIS)-empowered communication is being considered as an enabling technology for sixth generation (6G) wireless networks. The key idea of RIS-assisted communication is to enhance the capacity, coverage,…

Networking and Internet Architecture · Computer Science 2021-06-23 Mithun Mukherjee , Vikas Kumar , Mian Guo , Daniel Benevides da Costa , Ertugrul Basar , Zhiguo Ding

The advent of the sixth generation (6G) wireless networks heralds a transformative era for mobile communication, where the integration of cutting-edge technologies like Reconfigurable Intelligent Surfaces (RISs) is paramount in addressing…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Emre Arslan , Ali Tugberk Dogukan , Fatih Kilinc , Ahmet Faruk Coskun , Ertugrul Basar

The integration of tunability mechanisms in the metasurface design has unleashed a tremendous potential for wireless communications. In particular, reconfigurable intelligent surfaces (RISs) can manipulate the reflections of an incident…

Applied Physics · Physics 2025-04-10 Vasileios G. Ataloglou , George V. Eleftheriades

The next generation of wireless networks is expected to tap into the terahertz (0.1--10 THz) band to satisfy the extreme latency and bandwidth density requirements of future applications. However, the development of systems in this band is…

Reconfigurable Intelligent Surfaces (RISs) are recently attracting a wide interest due to their capability of tuning wireless propagation environments in order to increase the system performance of wireless networks. In this paper, a…

Information Theory · Computer Science 2020-04-21 Stefano Buzzi , Carmen D'Andrea , Alessio Zappone , Maria Fresia , Yong-Ping Zhang , Shulan Feng

The future 6G of wireless communication networks will have to meet multiple requirements in increasingly demanding levels, either individually or in combinations in small groups. This trend has spurred recent research activities on…

Signal Processing · Electrical Eng. & Systems 2020-06-22 George C. Alexandropoulos , Geoffroy Lerosey , Merouane Debbah , Mathias Fink

Reconfigurable intelligent surfaces (RISs) have tremendous potential for both communication and localization. While communication benefits are now well-understood, the breakthrough nature of the technology may well lie in its capability to…

The concept of smart wireless environments envisions dynamic programmable propagation of information-bearing signals through the deployment of Reconfigurable Intelligent Surfaces (RISs). Typical RIS implementations include metasurfaces with…

Signal Processing · Electrical Eng. & Systems 2025-07-23 George C. Alexandropoulos , Nir Shlezinger , Ioannis Gavras , Haiyang Zhang

Reconfigurable intelligent surface (RIS) has shown promise in providing apparent benefits in wireless communication and positioning. Most of the existing research focuses on the ability of RIS to adjust the direction of propagation. In this…

Information Theory · Computer Science 2021-10-05 Chang-Jen Wang , Shang-Ling Shih , Chao-Kai Wen , Shi Jin

Reconfigurable intelligent surface (RIS)-aided near-field communications is investigated. First, the necessity of investigating RIS-aided near-field communications and the advantages brought about by the unique spherical-wave-based…

Information Theory · Computer Science 2024-03-05 Xidong Mu , Jiaqi Xu , Yuanwei Liu , Lajos Hanzo

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…

Signal Processing · Electrical Eng. & Systems 2022-06-07 Jie Huang , Cheng-Xiang Wang , Yingzhuo Sun , Rui Feng , Jialing Huang , Bolun Guo , Zhimeng Zhong , Tie Jun Cui

Metasurfaces, or Reconfigurable Intelligent Surfaces (RISs), have emerged as a transformative technology for next-generation wireless systems, enabling digitally controlled manipulation of electromagnetic wave propagation. By turning the…

Cryptography and Security · Computer Science 2025-11-19 Paul Staat , Christof Paar , Swarun Kumar

Reconfigurable intelligent surfaces (RISs) offer a low-cost, energy-efficient means for enhancing wireless coverage. Yet, their inherently programmable reflections may unintentionally amplify interference, particularly in large-scale,…

Networking and Internet Architecture · Computer Science 2026-02-10 Kaining Wang , Bo Yang , Yusheng Lei , Zhibo Li , Zhiwen Yu , Xuelin Cao , Bin Guo , George C. Alexandropoulos , Dusit Niyato , Mérouane Debbah , Zhu Han

A Reconfigurable Intelligent Surface (RIS) can significantly enhance network positioning and mapping, acting as an additional anchor point in the reference system and improving signal strength and measurement diversity through the…

Information Theory · Computer Science 2024-11-15 Dimitris Kompostiotis , Dimitris Vordonis , Vassilis Paliouras , George C. Alexandropoulos , Florin Grec

Reconfigurable Intelligent Surfaces (RIS) are passive or semi-passive heterogeneous metasurfaces and consist of many tunable elements. RIS is gaining momentum as a promising new technology to enable transforming the propagation environment…

Signal Processing · Electrical Eng. & Systems 2022-01-06 Pooja Nuti , Elyes Balti , Brian L. Evans

Reconfigurable intelligent surface (RIS) is an emerging technique employing metasurface to reflect the signal from the source node to the destination node without consuming any energy. Not only the spectral efficiency but also the energy…

Information Theory · Computer Science 2021-01-29 Qi Gu , Dan Wu , Xin Su , Jing Jin , Yifei Yuan , Jiangzhou Wang

Reconfigurable intelligent surface (RIS) is one of the most promising technologies for 5G-Adv and 6G. It has the characteristics of low cost, low complexity, and easy deployment, which provides a new opportunity to develop intelligent…

Signal Processing · Electrical Eng. & Systems 2022-12-20 Yajun Zhao , Jiayi Zhang , Bo Ai

Reconfigurable Intelligent Surfaces (RISs), comprising large numbers of low-cost and almost passive metamaterials with tunable reflection properties, have been recently proposed as an enabling technology for programmable wireless…

Information Theory · Computer Science 2022-08-23 Aris L. Moustakas , George C. Alexandropoulos , Mérouane Debbah

Wireless communications are nowadays shifting to higher operation frequencies with the aim to meet the ever-increasing demand for bandwidth. While reconfigurable intelligent surfaces (RISs) are usually envisioned to restore the…

Signal Processing · Electrical Eng. & Systems 2024-05-02 Giorgos Stratidakis , Sotiris Droulias , Angeliki Alexiou