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By leveraging the waveform superposition property of the multiple access channel, over-the-air computation (AirComp) enables the execution of digital computations through analog means in the wireless domain, leading to faster processing and…

信息论 · 计算机科学 2025-08-22 Meng Hua , Chenghong Bian , Haotian Wu , Deniz Gündüz

Reconfigurable intelligent surface (RIS) is emerging as a promising technology for next-generation wireless communication networks, offering a variety of merits such as the ability to tailor the communication environment. Moreover,…

信号处理 · 电气工程与系统科学 2025-04-22 Mengbing Liu , Chongwen Huang , Ahmed Alhammadi , Marco Di Renzo , Merouane Debbah , Chau Yuen

Reconfigurable Intelligent Surfaces (RIS) have emerged as a key solution to dynamically adjust wireless propagation by tuning the reflection coefficients of large arrays of passive elements. Reconfigurable Holographic Surfaces (RHS) build…

信号处理 · 电气工程与系统科学 2025-03-28 Jalal Jalali , Mostafa Darabi , Rodrigo C. de Lamare

This letter attempts to design a surveillance scheme by adopting an active reconfigurable intelligent surface (RIS). Different from the conventional passive RIS, the active RIS could not only adjust the phase shift but also amplify the…

信息论 · 计算机科学 2024-10-28 Xinyue Hu , Yibo Yi , Kun Li , Hongwei Zhang , Caihong Kai

The requirement of wireless data demands is increasingly high as the sixth-generation (6G) technology evolves. Reconfigurable intelligent surface (RIS) is promisingly deemed to be one of 6G techniques for extending service coverage,…

信号处理 · 电气工程与系统科学 2023-11-09 Li-Hsiang Shen , Kai-Ten Feng , Ta-Sung Lee , Yuan-Chun Lin , Shih-Cheng Lin , Chia-Chan Chang , Sheng-Fuh Chang

Curved reconfigurable intelligent surfaces (RISs) represent a promising frontier for next-generation wireless communication, enabling adaptive wavefront control on nonplanar platforms such as unmanned aerial vehicles and urban…

信号处理 · 电气工程与系统科学 2026-02-02 Filippo Pepe , Ivan Iudice , Giuseppe Castaldi , Marco Di Renzo , Vincenzo Galdi

Typical reconfigurable intelligent surface (RIS) implementations include metasurfaces with almost passive unit elements capable of reflecting their incident waves in controllable ways, enhancing wireless communications in a cost-effective…

信号处理 · 电气工程与系统科学 2025-03-17 Songjie Yang , Zihang Wan , Boyu Ning , Weidong Mei , Jiancheng An , Yonina C. Eldar , Chau Yuen

Wireless traffic is exploding, due to the myriad of new connections and the exchange of capillary data at the edge of the networks to operate real-time processing and decision making. The latter especially affects the uplink traffic, which…

信号处理 · 电气工程与系统科学 2022-11-24 Fatima Ezzahra Airod , Mattia Merluzzi , Antonio Clemente , Emilio Calvanese Strinati

In traditional Reconfigurable Intelligent Surfaces (RIS) systems, the RIS is mounted on stationary structures like buildings, walls, or posts. They have shown promising results in enhancing the performance of wireless systems like capacity…

信号处理 · 电气工程与系统科学 2024-12-24 I. Zakir Ahmed , Hamid Sadjadpour

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

Reconfigurable intelligent surfaces (RISs) have received extensive concern to improve the performance of wireless communication systems. In this paper, a subarray-based scheme is investigated in terms of its effects on ergodic spectral…

信息论 · 计算机科学 2023-09-25 Xinyi Yang , Weicong Chen , Xiao Li , Shi Jin

Reconfigurable intelligent surface (RIS) is emerging as a promising technology to boost the energy efficiency (EE) of 5G beyond and 6G networks. Inspired by this potential, in this paper, we investigate the RIS-assisted energy-efficient…

信号处理 · 电气工程与系统科学 2023-01-10 Hao Zhou , Long Kong , Medhat Elsayed , Majid Bavand , Raimundas Gaigalas , Steve Furr , Melike Erol-Kantarci

The fluid antenna concept represents shape-flexible and position-flexible antenna technologies designed to enhance wireless communication applications. In this paper, we apply this concept to reconfigurable intelligent surfaces (RISs),…

信号处理 · 电气工程与系统科学 2025-02-25 Abdelhamid Salem , Kai-Kit Wong , George Alexandropoulos , Chan-Byoung Chae , Ross Murch

A reconfigurable intelligent surface (RIS) is commonly made of low-cost passive and reflective meta-materials with excellent beam steering capabilities. It is applied to enhance wireless communication systems as a customizable signal…

信号处理 · 电气工程与系统科学 2024-07-16 Kun Chen-Hu , Petar Popovski

While the researchers have set their sights on future wireless networks of 2030, communications through reconfigurable intelligent surfaces (RISs) appears as one of the potential enabling technologies for 6G wireless networking. This…

信息论 · 计算机科学 2021-03-05 E. Basar , I. Yildirim

This study presents an advanced wireless system that embeds target recognition within reconfigurable intelligent surface (RIS)-aided communication systems, powered by cuttingedge deep learning innovations. Such a system faces the challenge…

信息论 · 计算机科学 2025-05-06 Yixuan Huang , Jie Yang , Chao-Kai Wen , Shuqiang Xia , Xiao Li , Shi Jin

Reconfigurable Intelligent Surfaces (RISs) pose as a transformative technology to revolutionize the cellular architecture of Next Generation (NextG) Radio Access Networks (RANs). Previous studies have demonstrated the capabilities of RISs…

网络与互联网体系结构 · 计算机科学 2025-02-27 Maria Tsampazi , Michele Polese , Falko Dressler , Tommaso Melodia

In the Edge Inference (EI) paradigm, where a Deep Neural Network (DNN) is split across the transceivers to wirelessly communicate goal-defined features in solving a computational task, the wireless medium has been commonly treated as a…

机器学习 · 计算机科学 2025-04-03 Kyriakos Stylianopoulos , Paolo Di Lorenzo , George C. Alexandropoulos

Next-generation communication technology will be made possible by cooperation between terrestrial networks with non-terrestrial networks (NTN) comprised of high-altitude platform stations and satellites. Further, as humanity embarks on the…

信息论 · 计算机科学 2022-04-26 Kürşat Tekbıyık , Güneş Karabulut Kurt , Ali Rıza Ekti , Halim Yanikomeroglu

Reconfigurable intelligent surface (RIS) is an emerging technology for wireless communications. In this paper, extensive system level simulations are conducted for analyzing the performance of multi-RIS and multi-base-station (BS)…

信息论 · 计算机科学 2025-02-11 Yifei Yuan , Yuhong Huang , Xin Su , Boyang Duan , Nan Hu , Marco Di Renzo