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Ultra Wideband (UWB) is widely used to mitigate drift in visual-inertial odometry (VIO) systems. Consistency is crucial for ensuring the estimation accuracy of a UWBaided VIO system. An inconsistent estimator can degrade localization…

Robotics · Computer Science 2025-08-15 Yizhi Zhou , Ziwei Kang , Jiawei Xia , Xuan Wang

This paper presents a method to improve the localization accuracy of robots operating in a range-based localization network. The method is favorable especially when the robots operate in harsh environments where the access to a robust and…

Robotics · Computer Science 2018-04-27 Saman Fahandezh-Saadi , Mark W. Mueller

WiFi sensing has suffered from the limited bandwidths designated for its original communication purpose, leading to fundamental limits in multipath resolution and thus multi-user sensing. Unfortunately, it is practically prohibitive to…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Sijie Ji , Weiying Hou , Chenshu Wu

It is essential that a robot has the ability to determine its position and orientation to execute tasks autonomously. Heading estimation is especially challenging in indoor environments where magnetic distortions make magnetometer-based…

Robotics · Computer Science 2022-12-16 Daniil Lisus , Charles Champagne Cossette , Mohammed Shalaby , James Richard Forbes

This paper presents Range-SLAM, a real-time, lightweight SLAM system designed to address the challenges of localization and mapping in environments with smoke and other harsh conditions using Ultra-Wideband (UWB) signals. While optical…

Robotics · Computer Science 2024-09-17 Yi Liu , Zhuozhu Jian , Shengtao Zheng , Houde Liu , Xueqian Wang , Xinlei Chen , Bin Liang

Ultra-wideband (UWB) through-wall radar has a wide range of applications in non-contact human information detection and monitoring. With the integration of machine learning technology, its potential prospects include the physiological…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Zhengliang Zhu , Degui Yang , Junchao Zhang , Feng Tong

In multi-robot systems, relative localization between platforms plays a crucial role in many tasks, such as leader following, target tracking, or cooperative maneuvering. State of the Art (SotA) approaches either rely on…

Robotics · Computer Science 2024-12-30 Valerio Brunacci , Alberto Dionigi , Alessio De Angelis , Gabriele Costante

Huge overhead of beam training imposes a significant challenge in millimeter-wave (mmWave) wireless communications. To address this issue, in this paper, we propose a wide beam based training approach to calibrate the narrow beam direction…

Signal Processing · Electrical Eng. & Systems 2021-07-21 Ke Ma , Dongxuan He , Hancun Sun , Zhaocheng Wang , Sheng Chen

Future intelligent indoor wireless environments require fast and reliable beam alignment to sustain high-throughput links under mobility and blockage. Exhaustive beam training achieves optimal performance but is prohibitively costly. In…

Networking and Internet Architecture · Computer Science 2026-02-19 Parth Ashokbhai Shiroya , Amod Ashtekar , Swarnagowri Shashidhar , Mohammed E. Eltayeb

Rodents have long been established as the premier model for behavioral studies, traditionally raised and maintained in conventional cage environments. However, these settings often limit rodents' ability to exhibit their full range of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-25 Reza Sayfoori , Mao-Hsiang Huang , Amir Naderi , Mehwish Bhatti , Ron D. Frostig , Hung Cao

Short Range wireless devices are becoming more and more popular for ubiquitous sensor and actuator connectivity in industrial communication scenarios. Apart from communication-only scenarios, there are also mission-critical use cases where…

Signal Processing · Electrical Eng. & Systems 2018-11-30 Raja Sattiraju , Jacob Kochems , Hans D. Schotten

In wireless positioning systems, non-line-of-sight (NLOS) is a challenging problem. NLOS causes great ranging bias and location error, so NLOS mitigation is essential for high accuracy positioning. In this letter, we propose the…

Systems and Control · Electrical Eng. & Systems 2022-05-13 Ruixin Fan , Xin Du

The rise of the Internet of Things (IoT) and mobile internet applications has spurred interest in location-based services (LBS) for commercial, military, and social applications. While the global positioning system (GPS) dominates outdoor…

Machine Learning · Computer Science 2024-02-20 M. W. P. Maduranga

State estimation is an essential part of autonomous systems. Integrating the Ultra-Wideband(UWB) technique has been shown to correct the long-term estimation drift and bypass the complexity of loop closure detection. However, few works on…

Robotics · Computer Science 2023-03-01 Haodong Jiang , Wentao Wang , Yuan Shen , Xinghan Li , Xiaoqiang Ren , Biqiang Mu , Junfeng Wu

Alternative navigation technology to global navigation satellite systems (GNSSs) is required for unmanned ground vehicles (UGVs) in multipath environments (such as urban areas). In urban areas, long-term evolution (LTE) signals can be…

Signal Processing · Electrical Eng. & Systems 2020-12-17 Halim Lee , Jiwon Seo

An ultra-wide bandwidth (UWB) remote-powered positioning system for potential use in tracking floating objects inside space stations is presented. It makes use of battery-less tags that are powered-up and addressed through wireless power…

As commercial interest in proximity services increased, the development of various wireless localization techniques was promoted. In line with this trend, Ultra-wideband (UWB) is emerging as a promising solution that can realize proximity…

Signal Processing · Electrical Eng. & Systems 2024-02-14 Junyoung Choi , Sagnik Bhattacharya

In this paper, we propose a novel Fine-Tuned attribute Weighted Na\"ive Bayes (FT-WNB) classifier to identify the Line-of-Sight (LoS) and Non-Line-of-Sight (NLoS) for UltraWide Bandwidth (UWB) signals in an Indoor Positioning System (IPS).…

Signal Processing · Electrical Eng. & Systems 2023-04-24 Fuhu Che , Qasim Zeeshan Ahmed , Fahd Ahmed Khan , Faheem A. Khan

We examined UWB-based indoor location in conjunction with a fingerprint technique in this work. We built a connection between the measured and real distances for the UWB indoor positioning system. This connection is used to produce a…

Signal Processing · Electrical Eng. & Systems 2022-04-19 Chenyu Wang , Zihuai Lin

Radio frequency (RF)-based indoor localization offers significant promise for applications such as indoor navigation, augmented reality, and pervasive computing. While deep learning has greatly enhanced localization accuracy and robustness,…

Information Theory · Computer Science 2025-12-09 Guosheng Wang , Shen Wang , Lei Yang
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