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Global Navigation Satellite System (GNSS) signals are subject to different kinds of events causing significant errors in positioning. This work explores the application of Machine Learning (ML) methods of anomaly detection applied to GNSS…

Signal Processing · Electrical Eng. & Systems 2019-11-07 Evgenii Munin , Antoine Blais , Nicolas Couellan

This paper presents MULAN-WC, a novel multi-robot 3D reconstruction framework that leverages wireless signal-based coordination between robots and Neural Radiance Fields (NeRF). Our approach addresses key challenges in multi-robot 3D…

Robotics · Computer Science 2024-09-17 Weiying Wang , Victor Cai , Stephanie Gil

The provision of accurate localization is an increasingly important feature of wireless networks. To this end, a reliable distinction between line-of-sight (LOS) and non-LOS (NLOS) radio links is necessary to avoid degenerative localization…

Information Theory · Computer Science 2023-01-18 Onel L. A. López , Dileep Kumar , Antti Tölli

Accurate localization of non-cooperative signal sources in non-line-of-sight (NLoS) environments remains a critical challenge with a wide range of applications, including autonomous navigation, industrial automation, and emergency response.…

Systems and Control · Electrical Eng. & Systems 2025-09-05 Xiucheng Wang , Qiming Zhang , Nan Cheng

With the recent development of technology, wireless sensor networks (WSN) are becoming an important part of many applications. Knowing the exact location of each sensor in the network is very important issue. Therefore, the localization…

Networking and Internet Architecture · Computer Science 2016-06-27 Biljana Risteska Stojkoska , Vesna Kirandziska

Despite prior advances in PINNs, significant challenges remain in localized solid mechanics problems because of the limitations of single network formulations in simultaneous resolution of smooth global responses and near-tip singularities,…

Computational Physics · Physics 2025-10-22 Zhihong Lai , Luyang Zhao , Qian Shao

Locating a target is key in many applications, namely in high-stakes real-world scenarios, like detecting humans or obstacles in vehicular networks. In scenarios where precise statistics of the measurement noise are unavailable,…

Optimization and Control · Mathematics 2022-08-17 João Domingos , Cláudia Soares , João Xavier

A recent line of research has been investigating deep learning approaches to wireless positioning (WP). Although these WP algorithms have demonstrated high accuracy and robust performance against diverse channel conditions, they also have a…

Machine Learning · Computer Science 2025-10-01 Myeung Suk Oh , Anindya Bijoy Das , Taejoon Kim , David J. Love , Christopher G. Brinton

Location information will play a very important role in emerging wireless networks such as Intelligent Transportation Systems, 5G, and the Internet of Things. However, wrong location information can result in poor network outcomes. It is…

Signal Processing · Electrical Eng. & Systems 2020-07-08 Ullah Ihsan , Robert Malaney , Shihao Yan

The design and deployment of fifth-generation (5G) wireless networks pose significant challenges due to the increasing number of wireless devices. Path loss has a landmark importance in network performance optimization, and accurate…

Machine Learning · Computer Science 2023-10-03 Ibrahim Yazıcı , Emre Gures

Accurate molecular property prediction is a critical challenge with wide-ranging applications in chemistry, materials science, and drug discovery. Molecular representation methods, including fingerprints and graph neural networks (GNNs),…

Machine Learning · Computer Science 2025-08-13 Jiaxin Ju , Yizhen Zheng , Huan Yee Koh , Can Wang , Shirui Pan

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

Pathloss prediction is an essential component of wireless network planning. While ray tracing based methods have been successfully used for many years, they require significant computational effort that may become prohibitive with the…

Networking and Internet Architecture · Computer Science 2023-05-18 Ju-Hyung Lee , Omer Gokalp Serbetci , Dheeraj Panneer Selvam , Andreas F. Molisch

As an emerging technology that has attracted huge attention, non-line-of-sight (NLOS) imaging can reconstruct hidden objects by analyzing the diffuse reflection on a relay surface, with broad application prospects in the fields of…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Ruixu Geng , Yang Hu , Yan Chen

In wireless multi-hop networks, the instability of the wireless links leads to unstable networking. Even in the newly designed Software-Defined Wireless Sensor Networks (SDWSN), similar problems exist. To further improve the stability of…

Networking and Internet Architecture · Computer Science 2021-12-28 Liao Wenxing , Shi Xiaofei

Deep neural networks (DNNs) have made significant strides in tackling challenging tasks in wireless systems, especially when an accurate wireless model is not available. However, when available data is limited, traditional DNNs often yield…

Signal Processing · Electrical Eng. & Systems 2024-09-10 Momin Abbas , Koushik Kar , Tianyi Chen

Localization accuracy is of paramount importance for the proper operation of underwater optical wireless sensor networks (UOWSNs). However, underwater localization is prone to hostile environmental impediments such as drifts due to the…

Networking and Internet Architecture · Computer Science 2019-12-24 Nasir Saeed , Abdulkadir Celik , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Place recognition is one of the most challenging problems in computer vision, and has become a key part in mobile robotics and autonomous driving applications for performing loop closure in visual SLAM systems. Moreover, the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2015-05-28 Ruben Gomez-Ojeda , Manuel Lopez-Antequera , Nicolai Petkov , Javier Gonzalez-Jimenez

Implicit neural representations (INRs) mark a fundamental shift in signal modeling, moving from discrete sampled data to continuous functional representations. By parameterizing signals as neural networks, INRs provide a unified framework…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Dhananjaya Jayasundara , Vishal M. Patel

Time-based indoor positioning techniques rely on multiple access points (APs) and measurements between the user equipment (UE) and the APs. In dense indoor environments, occlusion-induced non-line-of-sight (NLoS) propagation introduces…

Signal Processing · Electrical Eng. & Systems 2026-05-20 Neetu R. R , Shrihari Vasudevan , Ranjani H. G