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We consider channel estimation for high-speed railway communication systems, where both the transmitter and the receiver are equipped with large-scale antenna arrays. It is known that the throughput of conventional training schemes…

Information Theory · Computer Science 2016-03-25 Tao Li , Xiaodong Wang , Pingyi Fan , Taneli Riihonen

LiDAR is currently one of the most utilized sensors to effectively monitor the status of power lines and facilitate the inspection of remote power distribution networks and related infrastructures. To ensure the safe operation of the smart…

Robotics · Computer Science 2024-06-18 Alexander Kyuroson , Anton Koval , George Nikolakopoulos

Channel state information (CSI) acquisition is a significant bottleneck in the design of Massive MIMO wireless systems, due to the length of the training sequences required to distinguish the antennas (in the downlink) and the users (for…

Information Theory · Computer Science 2016-09-12 Beatrice Tomasi , Alexis Decurninge , Maxime Guillaud

Inspection of insulators is important to ensure reliable operation of the power system. Deep learning is being increasingly exploited to automate the inspection process by leveraging object detection models to analyse aerial images captured…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Laya Das , Blazhe Gjorgiev , Giovanni Sansavini

The use of distributed generation resources, in addition to considerable benefits, causes some problems in the power system. One of the most critical problems in the case of disruption is increasing short-circuit current level in grids,…

Systems and Control · Electrical Eng. & Systems 2021-06-24 Meisam Ansari , Mostafa Ansari

In this paper, localization using narrowband communication signals are considered in the presence of fading channels with time of arrival measurements. When narrowband signals are used for localization, due to existing hardware constraints,…

Information Theory · Computer Science 2018-11-06 Xue Zhang , Cihan Tepedelenlioglu , Mahesh K. Banavar , Andreas Spanias , Gowtham Muniraju

Considering the attacks against the power grid, one of the most effective approaches could be the attack to the transmission lines that leads to large cascading failures. Hence, the problem of locating the most critical or vulnerable…

Machine Learning · Computer Science 2024-05-21 Tianxin Zhou , Xiang Li , Haibing Lu

Induction motors are one of the most crucial electrical equipment and are extensively used in industries in a wide range of applications. This paper presents a machine learning model for the fault detection and classification of induction…

Machine Learning · Computer Science 2024-09-17 Kavana Venkatesh , Neethi M

Impedance matching between receive antenna and front-end significantly impacts channel capacity in wireless channels. To implement capacity-optimal matching, the receiver must know the antenna impedance. But oftentimes this impedance varies…

Signal Processing · Electrical Eng. & Systems 2020-06-23 Shaohan Wu , Brian L. Hughes

High impedance connecting links and cables are modeled at low frequency in terms of their impedance to ground and to neigbouring connecting links. The impedance is usually considered to be the parallel combination of a resistance and a…

Instrumentation and Detectors · Physics 2013-07-18 Andrea Giachero , Claudio Gotti , Matteo Maino , Gianluigi Pessina

We describe a simple method to experimentally determine the frequency dependencies of the per-unit-length resistance and conductance of transmission lines. The experiment is intended as a supplement to the classic measurement of the…

Physics Education · Physics 2020-12-25 J. S. Bobowski

Power line communication (PLC) provides intelligent electrical functions such as power quality measurement, fault surveys, and remote control of electrical network. However, most of research works have been done in low voltage (LV) scenario…

Information Theory · Computer Science 2018-08-29 Mengyuan Cheng , Kai Wan , Fan Wei , Fuyong Zheng , Yongpeng Wu

Light field (LF) depth estimation plays a crucial role in many LF-based applications. Existing LF depth estimation methods consider depth estimation as a regression problem, where a pixel-wise L1 loss is employed to supervise the training…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Wentao Chao , Xuechun Wang , Yingqian Wang , Guanghui Wang , Fuqing Duan

Most traditional false data injection attack (FDIA) detection approaches rely on a key assumption, i.e., the power system can be accurately modeled. However, the transmission line parameters are dynamic and cannot be accurately known during…

Signal Processing · Electrical Eng. & Systems 2021-09-09 Bowen Xu , Fanghong Guo , Changyun Wen , Ruilong Deng , Wen-An Zhang

Components of electrical power systems are susceptible to failures caused by lightning strikes, aging or human errors. These faults can cause equipment damage, affect system reliability, and results in expensive repair costs. As electric…

Systems and Control · Electrical Eng. & Systems 2025-07-15 Juan A. Martinez-Velasco , Alexandre Serrano-Fontova , Ricard Bosch-Tous , Pau Casals-Torrens

A significant portion of the literature on fault localization assumes (more or less explicitly) that there are sufficient reliable measurements to guarantee that the system is observable. While several heuristics exist to break the…

Systems and Control · Computer Science 2018-09-12 Mahdi Jamei , Anna Scaglione , Sean Peisert

Preservers and additive spanners are sparse (hence cheap to store) subgraphs that preserve the distances between given pairs of nodes exactly or with some small additive error, respectively. Since real-world networks are prone to failures,…

Data Structures and Algorithms · Computer Science 2017-03-31 Greg Bodwin , Fabrizio Grandoni , Merav Parter , Virginia Vassilevska Williams

This paper investigates simple means of analyzing the error rate performance of a general q-ary Galois Field network coded detect-and-forward cooperative relay network with known relay error statistics at the destination. Equivalent relay…

Information Theory · Computer Science 2024-10-30 Ilgın Şafak , Emre Aktaş , Ali Özgür Yılmaz

The prior works on near-field target localization have mostly assumed ideal hardware models and thus suffer from two limitations in practice. First, extremely large-scale arrays (XL-arrays) usually face a variety of hardware impairments…

Signal Processing · Electrical Eng. & Systems 2025-12-29 Jiapeng Li , Changsheng You , Chao Zhou , Yong Zeng , Zhiyong Feng

The application of artificial intelligence technology has greatly enhanced and fortified the safety of energy pipelines, particularly in safeguarding against external threats. The predominant methods involve the integration of intelligent…

Machine Learning · Computer Science 2023-12-27 Chengyuan Zhu , Yiyuan Yang , Kaixiang Yang , Haifeng Zhang , Qinmin Yang , C. L. Philip Chen
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