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Related papers: Multi-User Localization and Tracking with Spatiote…

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Localization and tracking (LocTrack) are fundamental enablers for a wide range of emerging applications. Reconfigurable intelligent surfaces (RISs) have emerged as key components for enhancing the LocTrack performance. This paper…

Signal Processing · Electrical Eng. & Systems 2025-04-08 Peng Gao , Lixiang Lian , Yuan Shen

This paper investigates the multiuser tracking and signal detection problem in integrated sensing and communication (ISAC) systems with the assistance of reconfigurable intelligent surfaces (RISs). Due to the diverse and high user mobility,…

Signal Processing · Electrical Eng. & Systems 2025-09-18 Weifeng Zhu , Junyuan Gao , Shuowen Zhang , Liang Liu

In this paper, we study the user localization and tracking problem in the reconfigurable intelligent surface (RIS) aided multiple-input multiple-output (MIMO) system, where a multi-antenna base station (BS) and multiple RISs are deployed to…

Signal Processing · Electrical Eng. & Systems 2022-09-14 Boyu Teng , Xiaojun Yuan , Rui Wang , Shi Jin

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…

Information Theory · Computer Science 2022-03-01 George C. Alexandropoulos , Ioanna Vinieratou , Henk Wymeersch

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,…

Signal Processing · Electrical Eng. & Systems 2022-10-20 Reza Ghazalian , Hui Chen , George C. Alexandropoulos , Gonzalo Seco-Granados , Henk Wymeersch , Riku Jäntti

It is well established that the performance of reconfigurable intelligent surface (RIS)-assisted systems critically depends on the optimal placement of the RIS. Previous works consider either simple coverage maximization or simultaneous…

Signal Processing · Electrical Eng. & Systems 2026-02-09 Abhishek Rajasekaran , Mehdi Karbalayghareh , Xiaoyan Ma , David J. Love , Christopher G. Brinton

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…

Signal Processing · Electrical Eng. & Systems 2023-11-16 Reza Ghazalian , Hui Chen , George C. Alexandropoulos , Gonzalo Seco-Granados , Henk Wymeersch , Riku Jäntti

This paper investigates the cell-free multi-user integrated sensing and communication (ISAC) system, where multiple base stations collaboratively track the users and detect their signals. Moreover, reconfigurable intelligent surfaces (RISs)…

Signal Processing · Electrical Eng. & Systems 2026-02-23 Weifeng Zhu , Junyuan Gao , Shuowen Zhang , Meixia Tao , Liang Liu

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…

Signal Processing · Electrical Eng. & Systems 2025-07-23 Weiqiao Zhu , Mengyuan Cao , Yang Yang , Haobo Zhang , Weijun Hao , Xiaofei Jia , Hongliang Zhang

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…

Signal Processing · Electrical Eng. & Systems 2025-04-04 Jiawei Yao , Yijie Mao , Mingzhe Chen

Reconfigurable intelligent surface (RIS) has attracted enormous interest for its potential advantages in assisting both wireless communication and environmental sensing. In this paper, we study a challenging multiuser tracking problem in…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Boyu Teng , Xiaojun Yuan , Rui Wang

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…

Signal Processing · Electrical Eng. & Systems 2023-03-27 Haobo Zhang , Hongliang Zhang , Boya Di , Kaigui Bian , Zhu Han , Lingyang Song

Reconfigurable intelligent surfaces (RISs) are set to be a revolutionary technology in the 6th generation of wireless systems. In this work, we study the application of RIS in a multi-user passive localization scenario, where we have one…

Signal Processing · Electrical Eng. & Systems 2021-04-27 Kamran Keykhosravi , Musa Furkan Keskin , Satyam Dwivedi , Gonzalo Seco-Granados , Henk Wymeersch

This paper addresses the problem of adaptive reconfigurable intelligent surfaces (RIS) configuration design for user localization in rich-scattering environment (RSE), where electromagnetic waves undergo multiple interactions with dynamic…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Anum Umer , Ivo Müürsepp , Muhammad Mahtab Alam

This letter studies the problem of jointly detecting active user equipments (UEs) and estimating their location in the near field, wherein the base station (BS) is unaware of the number of active (or inactive) UEs and their positions. The…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Georgios Mylonopoulos , Behrooz Makki , Stefano Buzzi , Gábor Fodor

This paper addresses an uplink localization problem in which a base station (BS) aims to locate a remote user with the help of reconfigurable intelligent surfaces (RISs). We propose a strategy in which the user transmits pilots sequentially…

Information Theory · Computer Science 2023-12-19 Zhongze Zhang , Tao Jiang , Wei Yu

In this paper, we investigate the employment of reconfigurable intelligent surfaces (RISs) into vehicle platoons, functioning in tandem with a base station (BS) in support of the high-precision location tracking. In particular, the use of a…

Signal Processing · Electrical Eng. & Systems 2023-05-09 Yuanbin Chen , Ying Wang , Xufeng Guo , Zhu Han , Ping Zhang

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,…

Signal Processing · Electrical Eng. & Systems 2022-02-24 Kamran Keykhosravi , Gonzalo Seco-Granados , George C. Alexandropoulos , Henk Wymeersch

Reconfigurable Intelligent Surfaces (RISs) are envisioned to be employed in next generation wireless networks to enhance the communication and radio localization services. In this paper, we propose novel localization and tracking algorithms…

Information Theory · Computer Science 2024-12-30 Somayeh Aghashahi , Zolfa Zeinalpour-Yazdi , Aliakbar Tadaion , Mahdi Boloursaz Mashhadi , Ahmed Elzanaty

Localization which uses holographic multiple input multiple output surface such as reconfigurable intelligent surface (RIS) has gained increasing attention due to its ability to accurately localize users in non-line-of-sight conditions.…

Signal Processing · Electrical Eng. & Systems 2024-01-15 Mengyuan Cao , Haobo Zhang , Boya Di , Hongliang Zhang
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