中文
相关论文

相关论文: RIS-Assisted Localization: A Novel Conditional Sam…

200 篇论文

Reconfigurable Intelligent Surface (RIS) has been recognized as a promising solution for enhancing localization accuracy. Traditional RIS-based localization methods typically rely on prior channel knowledge, beam scanning, and pilot-based…

信号处理 · 电气工程与系统科学 2025-04-04 Jiawei Yao , Yijie Mao , Mingzhe Chen , Ye Hu

Reconfigurable Intelligent Surface (RIS) plays a pivotal role in the sixth generation networks to enhance communication rate and localization accuracy. In this letter, we propose a positioning algorithm in a RIS-assisted environment, where…

信号处理 · 电气工程与系统科学 2024-07-10 Sajjad Ghiasvand , Arash Nasri , Ali H. Abdollahi Bafghi , Masoumeh Nasiri-Kenari

Reconfigurable intelligent surfaces (RISs) are considered as an enabling technology for the upcoming sixth generation of wireless systems, exhibiting significant potential for radio localization and sensing. An RIS is usually treated as an…

信号处理 · 电气工程与系统科学 2023-11-16 Reza Ghazalian , Hui Chen , George C. Alexandropoulos , Gonzalo Seco-Granados , Henk Wymeersch , Riku Jäntti

The received signal strength (RSS) based technique is extensively utilized for localization in the indoor environments. Since the RSS values of neighboring locations may be similar, the localization accuracy of the RSS based technique is…

信号处理 · 电气工程与系统科学 2023-03-27 Haobo Zhang , Hongliang Zhang , Boya Di , Kaigui Bian , Zhu Han , Lingyang Song

Reconfigurable intelligent surfaces (RISs) have attracted enormous interest thanks to their ability to overcome line-of-sight blockages in mmWave systems, enabling in turn accurate localization with minimal infrastructure. Less investigated…

信号处理 · 电气工程与系统科学 2022-09-14 Alessio Fascista , Musa Furkan Keskin , Angelo Coluccia , Henk Wymeersch , Gonzalo Seco-Granados

High-precision localization and environmental sensing are essential for a new wave of applications, ranging from industrial automation and autonomous systems to augmented reality and remote healthcare. Conventional wireless methods,…

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

In this paper, we introduce the concept of partially-connected Receiving Reconfigurable Intelligent Surfaces (R-RISs), which refers to metasurfaces designed to efficiently sense electromagnetic waveforms impinging on them, and perform…

信号处理 · 电气工程与系统科学 2022-12-06 Jiguang He , Aymen Fakhreddine , Charles Vanwynsberghe , Henk Wymeersch , George C. Alexandropoulos

Reconfigurable intelligent surfaces (RISs) are one of the most promising technological enablers of the next (6th) generation of wireless systems. In this paper, we introduce a novel use-case of the RIS technology in radio localization,…

信号处理 · 电气工程与系统科学 2022-02-24 Kamran Keykhosravi , Gonzalo Seco-Granados , George C. Alexandropoulos , Henk Wymeersch

The extra degrees of freedom resulting from the consideration of Reconfigurable Intelligent Surfaces (RISs) for smart signal propagation can be exploited for high accuracy localization and tracking. In this paper, capitalizing on a recent…

信息论 · 计算机科学 2022-03-01 George C. Alexandropoulos , Ioanna Vinieratou , Henk Wymeersch

Reconfigurable intelligent surfaces (RISs) not only assist communication but also help the localization of user equipment (UE). This study focuses on the indoor localization of UE with a single access point (AP) aided by multiple RISs.…

信息论 · 计算机科学 2025-05-06 Xiyu Wang , Yixuan Huang , Jie Yang , Yu Han , Shi Jin

Reconfigurable intelligent surface (RIS)-aided localization systems are increasingly recognized for enhancing accuracy in internet of things (IoT) networks. However, prevailing studies tend to either assume a Gaussian distribution for angle…

信号处理 · 电气工程与系统科学 2024-03-19 Tuo Wu , Hong Ren , Cunhua Pan , Yijin Pan , Sheng Hong , Maged Elkashlan , Feng Shu , Jiangzhou Wang

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…

In this paper, a novel approach for wireless localization is proposed and experimentally validated that leverages space-time coded reconfigurable intelligent surfaces (RIS). It is demonstrated that applying proper single-bit codes to each…

系统与控制 · 电气工程与系统科学 2024-10-29 Mehdi Gholami , Soheil Khajavi , Mohammad Neshat , Simon Tewes , Aydin Sezgin

Reconfigurable intelligent surfaces (RISs) have tremendous potential to boost communication performance, especially when the line-of-sight (LOS) path between the user equipment (UE) and base station (BS) is blocked. To control the RIS,…

信号处理 · 电气工程与系统科学 2023-11-21 Fan Jiang , Andrea Abrardo , Kamran Keykhoshravi , Henk Wymeersch , Davide Dardari , Marco Di Renzo

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…

Near-field localization is expected to play a crucial role in enabling a plethora of applications under the paradigm of 6G networks. The conventional localization methods rely on complex infrastructure for providing cooperative anchor nodes…

信号处理 · 电气工程与系统科学 2026-05-06 Srikar Sharma Sadhu , Praful D. Mankar , Santosh Nannuru

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

In this paper, we consider a single-anchor localization system assisted by a reconfigurable intelligent surface (RIS), where the objective is to localize multiple user equipments (UEs) placed in the radiative near-field region of the RIS by…

信号处理 · 电气工程与系统科学 2024-09-24 Parisa Ramezani , Alva Kosasih , Emil Björnson

The latest assessments of the emerging technologies for reconfigurable intelligent surfaces (RISs) have indicated the concept's significant potential for localization and sensing, either as individual or simultaneously realized tasks.…

‹ 上一页 1 2 3 10 下一页 ›