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Integrated sensing and communication (ISAC) is anticipated to play a crucial role in sixth-generation (6G) mobile communication networks. A significant challenge in ISAC systems is the degradation of localization accuracy due to poor…

信号处理 · 电气工程与系统科学 2025-01-27 Keivan Khosroshahi , Philippe Sehier , Sami Mekki , Michael Suppa

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…

Reconfigurable intelligent surface (RIS)-empowered communication, has been considered widely as one of the revolutionary technologies for next generation networks. However, due to the novel propagation characteristics of RISs, underlying…

Can reconfigurable intelligent surfaces (RISs) operate in a standalone mode that is completely transparent to the 3GPP 5G initial access process? Realizing that may greatly simplify the deployment and operation of these surfaces and reduce…

信号处理 · 电气工程与系统科学 2022-11-28 Shuaifeng Jiang , Ahmed Hindy , Ahmed Alkhateeb

Localization using multiple base stations (BSs) has gained much attention for its advantage in localization accuracy. However, the performance of the multi-BS system suffers from its limited number of antennas. To solve the above issue, we…

信号处理 · 电气工程与系统科学 2025-07-23 Weiqiao Zhu , Mengyuan Cao , Yang Yang , Haobo Zhang , Weijun Hao , Xiaofei Jia , Hongliang Zhang

Future smart factories are expected to deploy applications over high-performance indoor wireless channels in the millimeter-wave (mmWave) bands, which on the other hand are susceptible to high path losses and Line-of Sight (LoS) blockages.…

网络与互联网体系结构 · 计算机科学 2025-11-21 Cao Vien Phung , Max Franke , Ehsan Tohidi , June Heinemann , Andre Drummond , Stefan Schmid , Slawomir Stanczak , Admela Jukan

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

The fifth generating (5G) of wireless networks will be more adaptive and heterogeneous. Reconfigurable intelligent surface technology enables the 5G to work on multistrand waveforms. However, in such a dynamic network, the identification of…

信号处理 · 电气工程与系统科学 2022-09-20 Mir Lodro , Hamidreza Taghvaee , Jean Baptiste Gros , Steve Greedy , Geofrroy Lerosey , Gabriele Gradoni

The conventional direction-of-arrival (DoA) estimation approaches only be effective when the line-of-sight (LoS) link exists, while in the case of the non-line-of-sight (NLoS) situation, the spatial angle can not be captured and thus the…

信号处理 · 电气工程与系统科学 2023-11-09 Jiawen Yuan , Shaodan Ma , Gong Zhang , Henry Leung

The advent of reconfigurable intelligent surfaces(RISs) brings along significant improvements for wireless technology on the verge of beyond-fifth-generation networks (B5G).The proven flexibility in influencing the propagation environment…

网络与互联网体系结构 · 计算机科学 2023-10-17 Guillermo Encinas-Lago , Antonio Albanese , Vincenzo Sciancalepore , Marco Di Renzo , Xavier Costa-Pérez

Recent development of the fifth-generation (5G) of cellular networks has led to their deployment worldwide. As part of the implementation, one of the challenges that must be addressed is the skip-zone problem, which occurs when objects…

信号处理 · 电气工程与系统科学 2022-11-30 Sylvester Aboagye , Alain R. Ndjiongue , Telex M. N. Ngatched , Octavia Dobre , H. Vincent Poor

Reconfigurable intelligent surface (RIS) is pivotal for beyond 5G networks in regards to the surge demand for reliable communication in unmanned aerial vehicle (UAV) networks. This paper presents an innovative approach to maximize…

信息论 · 计算机科学 2024-10-24 Mohammed Saif , Shahrokh Valaee

Reconfigurable intelligent surface (RIS)-empowered communications represent exciting prospects as one of the promising technologies capable of meeting the requirements of the sixth generation networks such as low-latency, reliability, and…

信号处理 · 电气工程与系统科学 2024-02-12 Sefa Kayraklık , Ibrahim Yildirim , Yarkın Gevez , Ertugrul Basar , Ali Görçin

Reconfigurable intelligent surfaces (RISs) are considered as potential technologies for the upcoming sixth-generation (6G) wireless communication system. Various benefits brought by deploying one or multiple RISs include increased spectrum…

信号处理 · 电气工程与系统科学 2021-04-16 Jiguang He , Nhan Thanh Nguyen , Rafaela Schroeder , Visa Tapio , Joonas Kokkoniemi , Markku Juntti

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

Reconfigurable Intelligent Surfaces (RIS) have recently gained attention as a means to dynamically shape the wireless propagation environment through programmable reflection control. Among the numerous applications, an important emerging…

信号处理 · 电气工程与系统科学 2025-12-23 Xinrui Li , R. Michael Buehrer , Steven W. Ellingson

While Reconfigurable Intelligent Surfaces (RISs) constitute one of the most prominent enablers for the upcoming sixth Generation (6G) of wireless networks, the design of efficient RIS phase profiles remains a notorious challenge when large…

信号处理 · 电气工程与系统科学 2024-07-19 Kyriakos Stylianopoulos , Panagiotis Gavriilidis , George C. Alexandropoulos

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…

信息论 · 计算机科学 2025-03-13 Yixuan Huang , Jie Yang , Chao-Kai Wen , Shi Jin

The advent of 6G is expected to enable many use cases which may rely on accurate knowledge of the location and orientation of user equipment (UE). The conventional localization methods suffer from limitations such as synchronization and…

信号处理 · 电气工程与系统科学 2025-05-06 Srikar Sharma Sadhu , Praful D. Mankar , Santosh Nannuru

Light fidelity (LiFi), which is based on visible light communications (VLC), is celebrated as a cutting-edge technological paradigm that is envisioned to be an indispensable part of 6G systems. Nonetheless, LiFi performance is subject to…