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Related papers: Global SLAM Using 5G ToA Integration: Performance …

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This paper considers the challenge of localizing ground users with the help of a radio-equipped unmanned aerial vehicle (UAV) that collects measurements from users. We utilize time-of-arrival (ToA) measurements estimated from the radio…

Information Theory · Computer Science 2025-03-26 Omid Esrafilian , Rakesh Mundlamuri , Florian Kaltenberger , Raymond Knopp , David Gesbert

The accelerating pace in the automation of agricultural tasks demands highly accurate and robust localization systems for field robots. Simultaneous Localization and Mapping (SLAM) methods inevitably accumulate drift on exploratory…

Robotics · Computer Science 2023-07-25 Javier Cremona , Javier Civera , Ernesto Kofman , Taihú Pire

The ubiquity, large bandwidth, and spatial diversity of the fifth generation (5G) cellular signal render it a promising candidate for accurate positioning in indoor environments where the global navigation satellite system (GNSS) signal is…

Signal Processing · Electrical Eng. & Systems 2022-08-10 Mengguan Pan , Peng Liu , Shengheng Liu , Wangdong Qi , Yongming Huang , Xiaohu You , Xinghua Jia , Xiaodong Li

The continuously increasing bandwidth and antenna aperture available in wireless networks laid the foundation for developing competitive positioning solutions relying on communications standards and hardware. However, poor propagation…

5G New Radio (NR) is a key enabler of accurate positioning in smart cities and smart factories. This paper presents the experimental results from three 5G positioning testbeds running open-source OpenAirInterface (OAI) gNB and Core Network…

Networking and Internet Architecture · Computer Science 2025-08-28 Mohsen Ahadi , Adeel Malik , Omid Esrafilian , Florian Kaltenberger , Cedric Thienot

This paper explores the potential of 5G new radio (NR) Time-of-Arrival (TOA) data for indoor drone localization under different scenarios and conditions when fused with inertial measurement unit (IMU) data. Our approach involves performing…

Robotics · Computer Science 2023-06-19 Meisam Kabiri , Claudio Cimarelli , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Robotic applications are continuously striving towards higher levels of autonomy. To achieve that goal, a highly robust and accurate state estimation is indispensable. Combining visual and inertial sensor modalities has proven to yield…

Robotics · Computer Science 2022-08-02 Simon Boche , Xingxing Zuo , Simon Schaefer , Stefan Leutenegger

Indoor positioning is one of the core technologies of Internet of Things (IoT) and artificial intelligence (AI), and is expected to play a significant role in the upcoming era of AI. However, affected by the complexity of indoor…

Signal Processing · Electrical Eng. & Systems 2021-12-23 Liang Chen , Xin Zhou , Feifei Chen , Lie-Liang Yang , Ruizhi Chen

Simultaneous localization and mapping (SLAM) is a key technology that provides user equipment (UE) tracking and environment mapping services, enabling the deep integration of sensing and communication. The millimeter-wave (mmWave)…

Information Theory · Computer Science 2023-05-23 Jie Yang , Chao-Kai Wen , Jing Xu , Hang Que , Haikun Wei , Shi Jin

Navigating toy drones through uncharted GPS-denied indoor spaces poses significant difficulties due to their reliance on GPS for location determination. In such circumstances, the necessity for achieving proper navigation is a primary…

Robotics · Computer Science 2023-12-22 Murad Tukan , Fares Fares , Yotam Grufinkle , Ido Talmor , Loay Mualem , Vladimir Braverman , Dan Feldman

5G New Radio Time of Arrival (ToA) data has the potential to revolutionize indoor localization for micro aerial vehicles (MAVs). However, its performance under varying network setups, especially when combined with IMU data for real-time…

Robotics · Computer Science 2024-05-03 Meisam Kabiri , Claudio Cimarelli , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

We present ORB-SLAM2 a complete SLAM system for monocular, stereo and RGB-D cameras, including map reuse, loop closing and relocalization capabilities. The system works in real-time on standard CPUs in a wide variety of environments from…

Robotics · Computer Science 2020-07-24 Raul Mur-Artal , Juan D. Tardos

In this work, we propose a simultaneous localization and mapping (SLAM) system using a monocular camera and Ultra-wideband (UWB) sensors. Our system, referred to as VRSLAM, is a multi-stage framework that leverages the strengths and…

Robotics · Computer Science 2023-03-21 Thien Hoang Nguyen , Shenghai Yuan , Lihua Xie

Monocular vision-based Simultaneous Localization and Mapping (SLAM) is used for various purposes due to its advantages in cost, simple setup, as well as availability in the environments where navigation with satellites is not effective.…

Robotics · Computer Science 2018-10-03 Young-Hee Lee , Chen Zhu , Gabriele Giorgi , Christoph Günther

In the absence of external reference position information (e.g. GNSS) SLAM has proven to be an effective method for indoor navigation. The positioning drift can be reduced with regular loop-closures and global relaxation as the backend,…

Robotics · Computer Science 2018-02-20 Jacky C. K. Chow

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…

Robotics · Computer Science 2026-02-06 Dong Wang , Hannes Haag , Daniel Casado Herraez , Stefan May , Cyrill Stachniss , Andreas Nüchter

Simultaneous Localization and Mapping (SLAM) is essential for mobile robotics, enabling autonomous navigation in dynamic, unstructured outdoor environments without relying on external positioning systems. These environments pose significant…

Robotics · Computer Science 2025-03-11 Fabian Schmidt , Constantin Blessing , Markus Enzweiler , Abhinav Valada

Simultaneous Localization and Mapping (SLAM) is an essential component of autonomous robotic applications and self-driving vehicles, enabling them to understand and operate in their environment. Many SLAM systems have been proposed in the…

Robotics · Computer Science 2025-01-14 Lorenzo Montano-Oliván , Julio A. Placed , Luis Montano , María T. Lázaro

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…

This paper presents ORB-SLAM3, the first system able to perform visual, visual-inertial and multi-map SLAM with monocular, stereo and RGB-D cameras, using pin-hole and fisheye lens models. The first main novelty is a feature-based…

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