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High-precision positioning is vital for cellular networks to support innovative applications such as extended reality, unmanned aerial vehicles (UAVs), and industrial Internet of Things (IoT) systems. Existing positioning algorithms using…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Shugong Xu , Jun Jiang , Wenjun Yu , Yilin Gao , Guangjin Pan , Shiyi Mu , Zhiqi Ai , Yuan Gao , Peigang Jiang , Cheng-Xiang Wang

Ultra-wideband (UWB) time difference of arrival(TDOA)-based localization has emerged as a low-cost and scalable indoor positioning solution. However, in cluttered environments, the performance of UWB TDOA-based localization deteriorates due…

Robotics · Computer Science 2023-08-01 Wenda Zhao , Abhishek Goudar , Mingliang Tang , Xinyuan Qiao , Angela P. Schoellig

Using neural networks for localization of key fob within and surrounding a car as a security feature for keyless entry is fast emerging. In this paper we study: 1) the performance of pre-computed features of neural networks based UWB (ultra…

Machine Learning · Computer Science 2024-01-18 Abhiram Kolli , Filippo Casamassima , Horst Possegger , Horst Bischof

Localization of robots is vital for navigation and path planning, such as in cases where a map of the environment is needed. Ultra-Wideband (UWB) for indoor location systems has been gaining popularity over the years with the introduction…

Robotics · Computer Science 2022-06-23 Muhammad Shalihan , Ran Liu , Chau Yuen

Ultra-wideband (UWB) ranging has emerged as a key radio technology for robot positioning and relative localization in multi-robot systems. Multiple works are now advancing towards more scalable systems, but challenges still remain. This…

Robotics · Computer Science 2022-03-09 Paola Torrico Morón , Jorge Peña Queralta , Tomi Westerlund

This paper proposes an ultra-wideband (UWB) aided localization and mapping system that leverages on inertial sensor and depth camera. Inspired by the fact that visual odometry (VO) system, regardless of its accuracy in the short term, still…

Robotics · Computer Science 2018-02-27 Chen Wang , Handuo Zhang , Thien-Minh Nguyen , Lihua Xie

Accurate localization and tracking are a fundamental requirement for robotic applications. Localization systems like GPS, optical tracking, simultaneous localization and mapping (SLAM) are used for daily life activities, research, and…

Robotics · Computer Science 2021-07-07 Yanjun Cao , Chenhao Yang , Rui Li , Alois Knoll , Giovanni Beltrame

This paper presents a high-precision positioning system that integrates ultra-wideband (UWB) time difference of arrival (TDoA) measurements, inertial measurement unit (IMU) data, and ultrasonic sensors through factor graph optimization. To…

Systems and Control · Electrical Eng. & Systems 2025-03-18 Fengyun Zhang , Jia Li , Xiaoqing Zhang , Shukai Duan , Shuang-Hua Yang

Navigation in an unknown environment without any preexisting positioning infrastructure has always been hard for mobile robots. This paper presents a self-deployable ultra wideband UWB infrastructure by mobile agents, that permits a dynamic…

Robotics · Computer Science 2021-10-19 Luca Santoro , Davide Brunelli , Daniele Fontanelli

Clustering is central to many data-driven application domains and has been studied extensively in terms of distance functions and grouping algorithms. Relatively little work has focused on learning representations for clustering. In this…

Machine Learning · Computer Science 2016-05-26 Junyuan Xie , Ross Girshick , Ali Farhadi

Given that the accuracy of range-based positioning techniques generally increases with the number of available anchor nodes, it is important to secure more of these nodes. To this end, this paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2019-07-24 Jeongsik Choi , Yang-Seok Choi , Shilpa Talwar

Ultra-Wideband (UWB) systems are becoming increasingly popular for indoor localization, where range measurements are obtained by measuring the time-of-flight of radio signals. However, the range measurements typically suffer from a…

Accurate and low-power indoor localization is becoming more and more of a necessity to empower novel consumer and industrial applications. In this field, the most promising technology is based on UWB modulation; however, current UWB…

Signal Processing · Electrical Eng. & Systems 2023-12-22 Tobias Margiani , Silvano Cortesi , Milena Keller , Christian Vogt , Tommaso Polonelli , Michele Magno

Mobile autonomous systems, robots, and cyber-physical systems rely on accurate positioning information. To conduct distance-measurement, two devices exchange signals and, knowing these signals propagate at the speed of light, the time of…

Cryptography and Security · Computer Science 2019-11-26 Mridula Singh , Patrick Leu , AbdelRahman Abdou , Srdjan Capkun

We present a tracking system for relative positioning that can operate on entirely moving tracking nodes without the need for stationary anchors. Each node embeds a 9-DOF magnetic and inertial measurement unit and a single-antenna…

Robotics · Computer Science 2024-09-20 Rayan Armani , Christian Holz

Accurate and robust positioning in multipath environments can enable many applications, such as search-and-rescue and asset tracking. For this problem, ultra-wideband (UWB) technology can provide the most accurate range estimates, which are…

Machine Learning · Computer Science 2015-11-13 Vladimir Savic , Erik G. Larsson , Javier Ferrer-Coll , Peter Stenumgaard

This paper introduces UVIO, a multi-sensor framework that leverages Ultra Wide Band (UWB) technology and Visual-Inertial Odometry (VIO) to provide robust and low-drift localization. In order to include range measurements in state…

Robotics · Computer Science 2026-04-23 Giulio Delama , Farhad Shamsfakhr , Stephan Weiss , Daniele Fontanelli , Alessandro Fornasier

Among the various Ultra-wideband (UWB) ranging methods, the absence of uplink communication or centralized computation makes downlink time-difference-of-arrival (DL-TDOA) localization the most suitable for large-scale industrial…

Signal Processing · Electrical Eng. & Systems 2024-02-19 Sagnik Bhattacharya , Junyoung Choi , Joohyun Lee

Location awareness is a critical issue in wireless sensor network applications. For more accurate location estimation, the two issues should be considered extensively: 1) how to sufficiently utilize the connection information between…

Networking and Internet Architecture · Computer Science 2024-03-08 Penghong Wang , Xingtao Wang , Wenrui Li , Xiaopeng Fan , Debin Zhao

Deep multi-view clustering incorporating graph learning has presented tremendous potential. Most methods encounter costly square time consumption w.r.t. data size. Theoretically, anchor-based graph learning can alleviate this limitation,…

Machine Learning · Computer Science 2025-04-15 Bocheng Wang , Chusheng Zeng , Mulin Chen , Xuelong Li