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This paper presents the development of a system able to estimate the 2D relative position of nodes in a wireless network, based on distance measurements between the nodes. The system uses ultra wide band ranging technology and the Bluetooth…

Robotics · Computer Science 2022-12-14 Valerio Brunacci , Alessio De Angelis , Gabriele Costante

Ultra-wideband (UWB) time difference of arrival (TDOA)-based localization has recently emerged as a promising indoor positioning solution. However, in cluttered environments, both the UWB radio positions and the obstacle-induced…

Robotics · Computer Science 2022-04-12 Wenda Zhao , Abhishek Goudar , Angela P. Schoellig

Utilizing deep learning (DL) techniques for radio-based positioning of user equipment (UE) through channel state information (CSI) fingerprints has demonstrated significant potential. DL models can extract complex characteristics from the…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Anastasios Foliadis , Mario H. Castañeda , Richard A. Stirling-Gallacher , Reiner S. Thomä

Forecasters using flexible neural networks (NN) in multi-horizon distributional regression setups often struggle to gain detailed insights into the underlying mechanisms that lead to the predicted feature-conditioned distribution…

Machine Learning · Computer Science 2024-12-23 Alessandro Brusaferri , Danial Ramin , Andrea Ballarino

In this work, we propose a novel approach for high accuracy user localization by merging tools from both millimeter wave (mmWave) imaging and communications. The key idea of the proposed solution is to leverage mmWave imaging to construct a…

Information Theory · Computer Science 2018-11-20 Mohammed Aladsani , Ahmed Alkhateeb , Georgios C. Trichopoulos

The conventional MUltiple SIgnal Classification (MUSIC) algorithm is effective for angle-of-arrival estimation in the far-field and can be extended for full source localization in the near-field. However, it suffers from high computational…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Parisa Ramezani , Seyed Jalaleddin Mousavirad , Mattias O'Nils , Emil Björnson

With more devices competing for limited spectrum, dynamic spectrum sharing is increasingly vulnerable to interference from unauthorized emitters. This motivates fast detection and localization of these emitters using low-cost, distributed…

Signal Processing · Electrical Eng. & Systems 2025-12-02 H. Nazim Bicer

Machine learning techniques have shown remarkable accuracy in localization tasks, but their dependency on vast amounts of labeled data, particularly Channel State Information (CSI) and corresponding coordinates, remains a bottleneck.…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Ankan Dash , Jingyi Gu , Guiling Wang , Nirwan Ansari

This paper considers the problem of distributed estimation in wireless sensor networks (WSN), which is anticipated to support a wide range of applications such as the environmental monitoring, weather forecasting, and location estimation.…

Signal Processing · Electrical Eng. & Systems 2023-10-26 Meng He , Ran Li , Chuan Huang , Shulong Zhang

The accurate and low-cost localization of sensors using a wireless sensor network is critically required in a wide range of today's applications. We propose a novel, robust maximum likelihood-type method for distributed cooperative received…

Signal Processing · Electrical Eng. & Systems 2018-12-12 Luca Carlino , Di Jin , Michael Muma , Abdelhak M. Zoubir

A network is called localizable if the positions of all the nodes of the network can be computed uniquely. If a network is localizable and embedded in plane with generic configuration, the positions of the nodes may be computed uniquely in…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-08-30 Buddhadeb Sau , Krishnendu Mukhopadhyaya

We propose a method for predicting the location of user equipment (UE) using wireless fingerprints in dynamic indoor non-line-of-sight (NLoS) environments. In particular, our method copes with the challenges posed by the drift, birth, and…

Signal Processing · Electrical Eng. & Systems 2024-08-28 Rafail Ismayilov , Renato L. G. Cavalcante , Slawomir Stanczak

Self-localization is an important technology for automating bulldozers. Conventional bulldozer self-localization systems rely on RTK-GNSS (Real Time Kinematic-Global Navigation Satellite Systems). However, RTK-GNSS signals are sometimes…

Distance estimation is vital for localization and many other applications in wireless sensor networks (WSNs). Particularly, it is desirable to implement distance estimation as well as localization without using specific hardware in low-cost…

Signal Processing · Electrical Eng. & Systems 2018-01-30 Qing Miao , Baoqi Huang , Bing Jia

Global Navigation Satellite Systems (GNSS)-based positioning plays a crucial role in various applications, including navigation, transportation, logistics, mapping, and emergency services. Traditional GNSS positioning methods are…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Adyasha Mohanty , Grace Gao

In this paper, we propose a range-based localization algorithm to localize a wireless sensor network (WSN) in 2D. A widely used algorithm to localize a WSN in 2D is trilateration, which runs in polynomial time. Trilateration uses three…

Networking and Internet Architecture · Computer Science 2016-04-13 Onur Cagirici

Deep neural networks (DNNs) have proven to be highly effective in a variety of tasks, making them the go-to method for problems requiring high-level predictive power. Despite this success, the inner workings of DNNs are often not…

Machine Learning · Statistics 2024-03-04 Anton Thielmann , René-Marcel Kruse , Thomas Kneib , Benjamin Säfken

Characterizing uncertainty is a common issue in nuclear measurement and has important implications for reliable physical discovery. Traditional methods are either insufficient to cope with the heterogeneous nature of uncertainty or…

Data Analysis, Statistics and Probability · Physics 2022-03-01 Pengcheng Ai , Zhi Deng , Yi Wang , Chendi Shen

Wireless sensing is a promising technology for future wireless communication networks to realize various application services. Wireless local area network (WLAN)-based localization approaches using channel state information (CSI) have been…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Osamu Muta , Kazuki Noguchi , Junsuke Izumi , Shunsuke Shimizu , Tomoki Murakami , Shinya Otsuki

Deep learning models have demonstrated remarkable success in various fields, including seismology. However, one major challenge in deep learning is the presence of mislabeled examples. Additionally, accurately estimating model uncertainty…