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A reconfigurable intelligent surface (RIS) consists of massive meta elements, which results in a reflection path between a base station (BS) and user equipment (UE). In wireless localization, this reflection path aids in positioning…

信号处理 · 电气工程与系统科学 2021-12-02 Wei Zhang , Wee Peng Tay

Reconfigurable intelligent surface (RIS) has recently gained significant interest as an emerging technology for future wireless networks thanks to its potential for improving the coverage probability in challenging propagation environments.…

信息论 · 计算机科学 2023-09-08 Trinh Van Chien , Lam Thanh Tu , Waqas Khalid , Heejung Yu , Symeon Chatzinotas , Marco Di Renzo

Reconfigurable Intelligent Surfaces enable active control of wireless propagation channels, which is crucial for future 5G and 6G networks. This work presents a scalable RIS design operating at 3.6 GHz with both 1 bit and 3 bit phase…

系统与控制 · 电气工程与系统科学 2026-02-23 Markus Heinrichs , Aydin Sezgin , Rainer Kronberger

Reconfigurable intelligent surface (RIS) has been widely considered as a key technique to improve spectral efficiency for 6G communications. Compared with most existing research that only focuses on the reflective RIS, the design and…

信息论 · 计算机科学 2022-07-01 Junwen Tang , Mingyao Cui , Shenheng Xu , Linglong Dai , Fan Yang , Maokun Li

Reconfigurable intelligent surface (RIS) has been envisioned as a promising technique to enable and enhance future wireless communications due to its potential to engineer the wireless channels in a cost-effective manner. Extensive research…

信号处理 · 电气工程与系统科学 2023-10-11 Hongyu Li , Shanpu Shen , Matteo Nerini , Bruno Clerckx

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 ability of reconfigurable intelligent surfaces (RIS) to produce complex radiation patterns in the far-field is determined by various factors, such as the unit-cell's size, shape, spatial arrangement, tuning mechanism, the communication…

This paper presents a fully automated, data-driven framework for the large-scale deployment of reconfigurable intelligent surfaces (RISs) in cellular networks. Leveraging physically consistent ray tracing and empirical data from a…

信息论 · 计算机科学 2025-10-14 Sina Beyraghi , Javad Shabanpour , Giovanni Geraci , Paul Almasan , Angel Lozano

Research on reconfigurable intelligent surfaces (RISs) has predominantly focused on purely physical (PHY)-layer aspects, particularly, on how signals are dynamically shaped by a controllable wireless propagation environment. However,…

信号处理 · 电气工程与系统科学 2026-03-03 Fabio Saggese , Victor Croisfelt , Kyriakos Stylianopoulos , George C. Alexandropoulos , Petar Popovski

In this paper, we survey state-of-the-art research outcomes in the burgeoning field of reconfigurable intelligent surface (RIS) in view of its potential for significant performance enhancement for next generation wireless communication…

信号处理 · 电气工程与系统科学 2020-10-16 Miguel Dajer , Zhengxiang Ma , Leonard Piazzi , Narayan Prasad , Xiao-Feng Qi , Baoling Sheen , Jin Yang , Guosen Yue

Reconfigurable intelligent surface (RIS) has been suggested to be a key 6G feature and was suggested to be considered as a study-item in both 3GPP Releases 18 and 19. However, in both releases, it has been decided not to continue with it as…

网络与互联网体系结构 · 计算机科学 2024-11-08 Magnus Åström , Philipp Gentner , Omer Haliloglu , Behrooz Makki , Ola Tageman

Owing to the recent advancements of meta-materials and meta-surfaces, the concept of reconfigurable intelligent surface (RIS) has been embraced to meet the spectral- and energy-efficient, and yet cost-effective solutions for the…

系统与控制 · 电气工程与系统科学 2022-11-02 Yulan Gao , Yue Xiao , Xianfu Lei , Qiaonan Zhu , Dusit Niyato , Kai-Kit Wong , Pingzhi Fan , Rose Qingyang Hu

Reconfigurable intelligent surface (RIS)-assisted communication appears as one of the potential enablers for sixth generation (6G) wireless networks by providing a new degree of freedom in the system design to telecom operators.…

信号处理 · 电气工程与系统科学 2021-09-21 E. Basar , I. Yildirim , F. Kilinc

Reconfigurable intelligent surfaces (RISs) are envisioned as a promising technology for future wireless communications. With various hardware realizations, RISs can work under different modes (reflective/transmissive/hybrid) or have…

信息论 · 计算机科学 2022-08-08 Hongyu Li , Shanpu Shen , Bruno Clerckx

Reconfigurable intelligent surface (RIS) used as infrastructure in wireless networks has been a trend, thanks to its low cost and high flexibility. Working in many ways including reflective mirrors and phase-shifted surfaces, RIS is able to…

系统与控制 · 电气工程与系统科学 2024-08-22 Zhuangzhuang Cui , Franco Minucci , Rizqi Hersyandika , Rodney Martinez Alonso , Andrea P. Guevara , Hazem Sallouha , Sofie Pollin

5G radio positioning exploits information in both angle and delay, by virtue of increased bandwidth and large antenna arrays. When large arrays are embedded in surfaces, they can passively steer electromagnetic waves in preferred directions…

信号处理 · 电气工程与系统科学 2020-08-27 Henk Wymeersch , Benoît Denis

The reconfigurable intelligent surface (RIS) technology shows great potential in sixth-generation (6G) terrestrial and non-terrestrial networks (NTNs) since it can effectively change wireless settings to improve connectivity. Extensive…

信号处理 · 电气工程与系统科学 2025-02-25 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Muhammad Asif , Manzoor Ahmed , Symeon Chatzinotas

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

Reconfigurable Intelligent Surfaces (RIS) constitute a promising technology that could fulfill the extreme performance and capacity needs of the upcoming 6G wireless networks, by offering software-defined control over wireless propagation…

Reconfigurable intelligent surfaces (RISs) are regarded as a promising emerging hardware technology to improve the spectrum and energy efficiency of wireless networks by artificially reconfiguring the propagation environment of…

信息论 · 计算机科学 2020-08-18 Xiaojun Yuan , Ying-Jun Angela Zhang , Yuanming Shi , Wenjing Yan , Hang Liu