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As a novel approach to flexibly adjust the wireless environment, reconfigurable intelligent surfaces (RIS) have shown significant application potential across various domains, including wireless communication, radar detection, and the…

应用物理 · 物理学 2025-02-26 Zhen Zhang , Qiang Chen

Reconfigurable intelligent surfaces have emerged as a promising technology for future wireless networks. Given that a large number of reflecting elements is typically used, and that the surface has no signal processing capabilities, a major…

信息论 · 计算机科学 2020-09-22 Alessio Zappone , Marco Di Renzo , Farshad Shams , Xuewen Qian , Merouane Debbah

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), which can deliberately adjust the phase of incident waves, have shown enormous potentials to reconfigure the signal propagation for performance enhancement. In this paper, we investigate the…

信号处理 · 电气工程与系统科学 2020-11-02 Zhengyi Zhou , Ning Ge , Wendong Liu , Zhaocheng Wang

This letter proposes a fluid reconfigurable intelligent surface (FRIS) paradigm, extending the conventional reconfigurable intelligent surface (RIS) technology to incorporate position reconfigurability of the elements. In our model, a…

信息论 · 计算机科学 2025-03-20 Han Xiao , Xiaoyan Hu , Kai-Kit Wong , Hanjiang Hong , George C. Alexandropoulos , Chan-Byoung Chae

In recent years, reconfigurable intelligent surfaces (RIS) have garnered significant attention for their ability to control the phase shifts in reflected signals. By intelligently adjusting these phases, RIS can establish seamless direct…

网络与互联网体系结构 · 计算机科学 2024-12-17 Peini Yi , Wenchi Cheng , Jingqing Wang , Wei Zhang

Reconfigurable intelligent surfaces (RISs) have attracted great attention as a potential beyond 5G technology. These surfaces consist of many passive elements of metamaterials whose impedance can be controllable to change the phase,…

信息论 · 计算机科学 2021-09-09 Özlem Tuğfe Demir , Emil Björnson

Reconfigurable intelligent surface (RIS) is a novel meta-material which can form a smart radio environment by dynamically altering reflection directions of the impinging electromagnetic waves. In the prior literature, the inter-RIS links…

信息论 · 计算机科学 2024-03-13 Kaizhe Xu , Jiajia Guo , Jun Zhang , Shi Jin , Shaodan Ma

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

Orthogonal multi-user multiple-input multiple-output (MU-MIMO) channels allow for optimum performance with simplified precoding/equalization, and they achieve maximum multiplexing gain which is shared fairly among users. Reconfigurable…

信息论 · 计算机科学 2023-05-01 Juan Vidal Alegria , Fredrik Rusek

Reconfigurable intelligent surfaces (RISs) have attracted the attention of academia and industry circles because of their ability to control the electromagnetic characteristics of channel environments. However, it has been found that the…

信号处理 · 电气工程与系统科学 2022-08-02 Yajun Zhao , Xin Lv

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it is with rich…

信息论 · 计算机科学 2020-12-29 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

Reconfigurable Intelligent Surfaces (RIS) are planar structures connected to electronic circuitry, which can be employed to steer the electromagnetic signals in a controlled manner. Through this, the signal quality and the effective data…

信息论 · 计算机科学 2021-12-21 Long Kong , Steven Kisseleff , Symeon Chatzinotas , Björn Ottersten , Melike Erol-Kantarci

The march towards 6G is accelerating and future wireless network architectures require enhanced performance along with significant coverage especially, to combat impairments on account of the wireless channel. Reconfigurable intelligent…

信号处理 · 电气工程与系统科学 2023-08-16 Emre Arslan , Fatih Kilinc , Ertugrul Basar , Huseyin Arslan

The recent research in the emerging technology of reconfigurable intelligent surfaces (RISs) has identified its high potential for localization and sensing. However, to accurately localize a user placed in the area of influence of an RIS,…

信号处理 · 电气工程与系统科学 2022-10-20 Reza Ghazalian , Hui Chen , George C. Alexandropoulos , Gonzalo Seco-Granados , Henk Wymeersch , Riku Jäntti

Reconfigurable intelligent surfaces (RISs) are a promising technology for enhancing cellular network performance and yielding additional value to network operators. This paper proposes a techno-economic analysis of RIS-assisted cellular…

性能 · 计算机科学 2025-01-22 Guodong Sun , Francois Baccelli , Luis Uzeda Garcia , Stefano Paris

Integrated sensing and communication (ISAC) has emerged as a transformative technology for 6G networks, enabling the seamless integration of communication and sensing functionalities. Reconfigurable intelligent surfaces (RIS), with their…

信号处理 · 电气工程与系统科学 2025-01-14 Shoushuo Zhang , Rang Liu , Ming Li , Wei Wang , Qian Liu

User-side reconfigurable intelligent surface (US-RIS)-aided communication has recently emerged as a promising solution to overcome the high hardware cost and physical size limitations of large-scale user side antenna arrays. This letter…

信号处理 · 电气工程与系统科学 2026-01-21 Hasan M. Boudi , Taissir Y. Elganimi

Reconfigurable intelligent surfaces (RIS) are capable of beneficially ameliorating the propagation environment by appropriately controlling the passive reflecting elements. To extend the coverage area, the concept of simultaneous…

The adoption of reconfigurable intelligent surface (RIS) in wireless networks can enhance the spectrum- and energy-efficiency by controlling the propagation environment. Although the RIS does not consume any transmit power, the circuit…

信息论 · 计算机科学 2020-05-05 Siyuan Sun , Min Fu , Yuanming Shi , Yong Zhou
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