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5G millimeter wave (mmWave) signals have inherent geometric connections to the propagation channel and the propagation environment. Thus, they can be used to jointly localize the receiver and map the propagation environment, which is termed…

信号处理 · 电气工程与系统科学 2021-12-07 Yu Ge , Yibo Wu , Fan Jiang , Ossi Kaltiokallio , Jukka Talvitie , Mikko Valkama , Lennart Svensson , Henk Wymeersch

5G millimeter wave (mmWave) signals can enable accurate positioning in vehicular networks when the base station and vehicles are equipped with large antenna arrays. However, radio-based positioning suffers from multipath signals generated…

信号处理 · 电气工程与系统科学 2020-02-27 Hyowon Kim , Karl Granström , Lin Gao , Giorgio Battistelli , Sunwoo Kim , Henk Wymeersch

The intrinsic geometric connections between millimeter-wave (mmWave) signals and the propagation environment can be leveraged for simultaneous localization and mapping (SLAM) in 5G and beyond networks. However, estimated channel parameters…

信号处理 · 电气工程与系统科学 2024-04-17 Ossi Kaltiokallio , Elizaveta Rastorgueva-Foi , Jukka Talvitie , Yu Ge , Henk Wymeersch , Mikko Valkama

Multipath-based simultaneous localization and mapping (MP-SLAM) is a promising approach in wireless networks for obtaining position information of transmitters and receivers as well as information on the propagation environment. MP-SLAM…

信号处理 · 电气工程与系统科学 2024-05-15 Erik Leitinger , Lukas Wielandner , Alexander Venus , Klaus Witrisal

Next-generation wireless networks will see the convergence of communication and sensing, also exploiting the availability of large bandwidths in the Terahertz (THz) spectrum and electrically large antenna arrays on handheld devices. In…

信号处理 · 电气工程与系统科学 2022-12-26 Marina Lotti , Gianni Pasolini , Anna Guerra , Francesco Guidi , Raffaele D'Errico , Davide Dardari

A novel simultaneous localization and radio mapping (SLARM) framework for communication-aware connected robots in the unknown indoor environment is proposed, where the simultaneous localization and mapping (SLAM) algorithm and the global…

机器人学 · 计算机科学 2020-11-26 Xinyu Gao , Yuanwei Liu , Xidong Mu

Simultaneous localization and mapping (SLAM) during communication is emerging. This technology promises to provide information on propagation environments and transceivers' location, thus creating several new services and applications for…

信息论 · 计算机科学 2021-08-10 Jie Yang , Chao-Kai Wen , Shi Jin , Xiao Li

Precise and real-time rail vehicle localization as well as railway environment monitoring is crucial for railroad safety. In this letter, we propose a multi-LiDAR based simultaneous localization and mapping (SLAM) system for railway…

机器人学 · 计算机科学 2021-12-28 Yusheng Wang , Weiwei Song , Yidong Lou , Fei Huang , Zhiyong Tu , Shimin Zhang

Simultaneous Localization and Mapping (SLAM) techniques play a key role towards long-term autonomy of mobile robots due to the ability to correct localization errors and produce consistent maps of an environment over time. Contrarily to…

Most current LiDAR simultaneous localization and mapping (SLAM) systems build maps in point clouds, which are sparse when zoomed in, even though they seem dense to human eyes. Dense maps are essential for robotic applications, such as…

机器人学 · 计算机科学 2023-03-10 Jianyuan Ruan , Bo Li , Yibo Wang , Yuxiang Sun

Millimeter Wave (mmWave) is an important part of 5G new radio (NR), in which highly directional beams are adapted to compensate for the substantial propagation loss based on UE locations. However, the location information may have some…

系统与控制 · 电气工程与系统科学 2022-04-26 Yujie Yao , Hao Zhou , Melike Erol-Kantarci

Integrating sensing functions into future mobile equipment has become an important trend. Realizing different types of sensing and achieving mutual enhancement under the existing communication hardware architecture is a crucial challenge in…

信息论 · 计算机科学 2022-03-22 Jie Yang , Chao-Kai Wen , Shi Jin

Blending representation learning approaches with simultaneous localization and mapping (SLAM) systems is an open question, because of their highly modular and complex nature. Functionally, SLAM is an operation that transforms raw sensor…

机器人学 · 计算机科学 2020-11-20 Krishna Murthy Jatavallabhula , Soroush Saryazdi , Ganesh Iyer , Liam Paull

Simultaneous Localization and Mapping (SLAM) have made the real-time dense reconstruction possible increasing the prospects of navigation, tracking, and augmented reality problems. Some breakthroughs have been achieved in this regard during…

计算机视觉与模式识别 · 计算机科学 2018-05-22 Redhwan Jamiruddin , Ali Osman Sari , Jahanzaib Shabbir , Tarique Anwer

Multipath-based simultaneous localization and mapping (MP-SLAM) is a promising approach in wireless networks to jointly obtain position information of transmitters/receivers and information of the propagation environment. MP-SLAM models…

信号处理 · 电气工程与系统科学 2025-05-27 Anna Masiero , Alexander Venus , Erik Leitinger

Sparse and feature SLAM methods provide robust camera pose estimation. However, they often fail to capture the level of detail required for inspection and scene awareness tasks. Conversely, dense SLAM approaches generate richer scene…

机器人学 · 计算机科学 2025-05-16 Maaz Qureshi , Alexander Werner , Zhenan Liu , Amir Khajepour , George Shaker , William Melek

Simultaneous localization and mapping (SLAM) is a critical capability for autonomous systems. Traditional SLAM approaches, which often rely on visual or LiDAR sensors, face significant challenges in adverse conditions such as low light or…

机器人学 · 计算机科学 2026-02-06 Dong Wang , Hannes Haag , Daniel Casado Herraez , Stefan May , Cyrill Stachniss , Andreas Nüchter

Sensing is an integral part of 6G and beyond systems, providing exceptional environmental perception along with communication. Radio frequency (RF)-based sensing often relies on simplified geometric assumptions (e.g., point scatterers or…

信号处理 · 电气工程与系统科学 2026-05-19 Xuhong Li , Erik Leitinger , Fredrik Tufvesson , Florian Meyer

In future wireless networks, the availability of information on the position of mobile agents and the propagation environment can enable new services and increase the throughput and robustness of communications. Multipath-based simultaneous…

信号处理 · 电气工程与系统科学 2024-10-01 Mingchao Liang , Erik Leitinger , Florian Meyer

This paper proposes a radio simultaneous location and mapping (radio-SLAM) scheme based on sparse multipath channel estimation. By leveraging sparse channel estimation schemes at millimeter wave bands, namely high resolution estimates of…

信息论 · 计算机科学 2022-12-29 Felipe Gómez-Cuba , Gonzalo Feijoo-Rodríguez , Nuria González-Prelcic