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We have shown the opportunity to use the unique inhomogeneities of the internal structure of an optical fiber waveguide for remote authentication of users or an optic fiber line. Optical time domain reflectometry (OTDR) is demonstrated to…

Machine learning algorithms often encounter different or "out-of-distribution" (OOD) data at deployment time, and OOD detection is frequently employed to detect these examples. While it works reasonably well in practice, existing…

Machine Learning · Computer Science 2025-01-16 Konstantin Garov , Kamalika Chaudhuri

Emerging real-time applications such as those classified under ultra-reliable low latency (uRLLC) generate bursty traffic and have strict Quality of Service (QoS) requirements. Passive Optical Network (PON) is a popular access network…

Networking and Internet Architecture · Computer Science 2021-09-07 Dibbendu Roy , Aravinda S. Rao , Tansu Alpcan , Goutam Das , Marimuthu Palaniswami

Training data-driven approaches for complex industrial system health monitoring is challenging. When data on faulty conditions are rare or not available, the training has to be performed in a unsupervised manner. In addition, when the…

Machine Learning · Statistics 2021-11-24 Gabriel Michau , Olga Fink

This research proposes a machine learning-based attack detection model for power systems, specifically targeting smart grids. By utilizing data and logs collected from Phasor Measuring Devices (PMUs), the model aims to learn system…

Machine Learning · Computer Science 2023-07-10 Diane Tuyizere , Remy Ihabwikuzo

Feed-forward, fully-connected Artificial Neural Networks (ANNs) or the so-called Multi-Layer Perceptrons (MLPs) are well-known universal approximators. However, their learning performance varies significantly depending on the function or…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Serkan Kiranyaz , Turker Ince , Alexandros Iosifidis , Moncef Gabbouj

Proactive network maintenance (PNM) is the concept of using data from a network to identify and locate network faults, many or all of which could worsen to become service failures. The separation between the network fault and the service…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Jingjie Zhu , Karthik Sundaresan , Jason Rupe

Accurate fault location is essential for operational reliability and fast restoration in wind farm collector networks. However, the growing integration of inverter-based resources changes the current and voltage behavior during faults,…

Systems and Control · Electrical Eng. & Systems 2026-05-25 A. J. Alves Junior , M. J. B. B. Davi , R. A. S. Fernandes , M. Oleskovicz , D. V. Coury

We demonstrate an optical fiber fault location method based on the frequency response of the modulated fiber optical backscattered signal in a steady state low-frequency step regime. Careful calibration and measurement allows for the…

The Point Machine (PM) is a critical piece of railway equipment that switches train routes by diverting tracks through a switchblade. As with any critical safety equipment, a failure will halt operations leading to service disruptions;…

Signal Processing · Electrical Eng. & Systems 2025-08-28 Eduardo Di Santi , Ruixiang Ci , Clément Lefebvre , Nenad Mijatovic , Michele Pugnaloni , Jonathan Brown , Victor Martín , Kenza Saiah

Deep neural networks (DNNs) are widely used in perception systems for safety-critical applications, such as autonomous driving and robotics. However, DNNs remain vulnerable to various safety concerns, including generalization errors,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Albert Schotschneider , Svetlana Pavlitska , J. Marius Zöllner

100% inverter-based renewable units are becoming more prevalent, introducing new challenges in the protection of microgrids that incorporate these resources. This is particularly due to low fault currents and bidirectional flows. Previous…

Systems and Control · Electrical Eng. & Systems 2024-08-13 Milad Beikbabaei , Michael Lindemann , Mohammad Heidari Kapourchali , Ali Mehrizi-Sani

Remote monitoring of electrical cable conditions is an essential characteristic of the next-generation smart grid, which features the ability to consistently surveil and control the grid infrastructure. In this paper, we propose a technique…

Signal Processing · Electrical Eng. & Systems 2019-02-25 Yinjia Huo , Gautham Prasad , Lazar Atanackovic , Lutz Lampe , Victor C. M. Leung

We investigate the risk of overestimating the performance gain when applying neural network based receivers in systems with pseudo random bit sequences or with limited memory depths, resulting in repeated short patterns. We show that with…

Information Theory · Computer Science 2017-09-29 Tobias A. Eriksson , Henning Bülow , Andreas Leven

Monitoring beyond the splitter in a PON is costly due to the need for additional hardware. A non-standard monitoring wavelength can reduce cost and increase the visibility of customers to 97% on a C+ GPON

Signal Processing · Electrical Eng. & Systems 2022-12-12 Neil Parkin , Sophie Minoughan , Md Asif Iqbal

In this survey, we analyze the newest machine learning (ML) techniques for optical orthogonal frequency division multiplexing (O-OFDM)-based optical communications. ML has been proposed to mitigate channel and transceiver imperfections. For…

Machine Learning · Computer Science 2021-05-10 Hichem Mrabet , Elias Giaccoumidis , Iyad Dayoub

The use of lightweight machine learning (ML) models in internet of things (IoT) networks enables resource constrained IoT devices to perform on-device inference for several critical applications. However, the inference accuracy deteriorates…

Machine Learning · Computer Science 2025-12-16 Henrik C. M. Frederiksen , Junya Shiraishi , Cedomir Stefanovic , Hei Victor Cheng , Shashi Raj Pandey

Solar photovoltaic (PV) modules are prone to damage during manufacturing, installation and operation which reduces their power conversion efficiency. This diminishes their positive environmental impact over the lifecycle. Continuous…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Swayam Rajat Mohanty , Moin Uddin Maruf , Vaibhav Singh , Zeeshan Ahmad

The behavior of neural networks (NNs) on previously unseen types of data (out-of-distribution or OOD) is typically unpredictable. This can be dangerous if the network's output is used for decision-making in a safety-critical system. Hence,…

Machine Learning · Computer Science 2024-05-20 Muqsit Azeem , Marta Grobelna , Sudeep Kanav , Jan Kretinsky , Stefanie Mohr , Sabine Rieder

In the context of optical signal processing, quantum and quantum-inspired machine learning algorithms have massive potential for deployment. One of the applications is in error correction protocols for the received noisy signals. In some…