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Coupled oscillator-based networks are an attractive approach for implementing hardware neural networks based on emerging nanotechnologies. However, the readout of the state of a coupled oscillator network is a difficult challenge in…

Emerging Technologies · Computer Science 2016-07-08 Damir Vodenicarevic , Nicolas Locatelli , Julie Grollier , Damien Querlioz

Modern positioning relies on radio signals from global navigation satellite systems (GNSS). Their low receive power renders these radio signals susceptible to jamming attacks, in which malicious transmitters emit strong interference to…

Signal Processing · Electrical Eng. & Systems 2025-07-25 Jonas Elmiger , Gian Marti , Christoph Studer

Distributed Denial-of-Service (DDoS) attacks remain a serious threat to online infrastructure, often bypassing detection by altering traffic in subtle ways. We present a method using hive-plot sequences of network data and a 3D…

Cryptography and Security · Computer Science 2025-09-16 Landon Bragg , Nathan Dorsey , Josh Prior , John Ajit , Ben Kim , Nate Willis , Pablo Rivas

The Global Navigation Satellite System (GNSS) is increasingly vulnerable to radio frequency interference (RFI), including jamming and spoofing, which threaten the integrity of navigation and timing services. This paper presents a…

Signal Processing · Electrical Eng. & Systems 2025-09-18 Argyris Kriezis , Yu-Hsuan Chen , Dennis Akos , Sherman Lo , Todd Walter

This paper presents a detection algorithm for sensor attacks and a resilient state estimation scheme for a class of uniformly observable nonlinear systems. An adversary is supposed to corrupt a subset of sensors with the possibly unbounded…

Systems and Control · Computer Science 2021-01-11 Junsoo Kim , Chanhwa Lee , Hyungbo Shim , Yongsoon Eun , Jin Heon Seo

Global Navigation Satellite Systems (GNSS) provide standalone precise navigation for a wide gamut of applications. Nevertheless, applications or systems such as unmanned vehicles (aerial or ground vehicles and surface vessels) generally…

Cryptography and Security · Computer Science 2025-03-27 Marco Spanghero , Panos Papadimitratos

The rapid development of technology has led to an increase in the number of devices that rely on position, velocity, and time (PVT) information to perform their functions. As such, the Global Navigation Satellite Systems (GNSS) have been…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Leatile Marata , Juhani Sankari , Eslam Eldeeb , Mikko Valkama , Elena Simona Lohan

Modern Supervisory Control and Data Acquisition SCADA systems used by the electric utility industry to monitor and control electric power generation, transmission and distribution are recognized today as critical components of the electric…

Cryptography and Security · Computer Science 2016-10-31 Leandros A. Maglaras , Jianmin Jiang , Tiago J. Cruz

This paper presents a Temporal Graph Neural Network (TGNN) framework for detection and localization of false data injection and ramp attacks on the system state in smart grids. Capturing the topological information of the system through the…

Machine Learning · Computer Science 2023-03-28 Seyed Hamed Haghshenas , Md Abul Hasnat , Mia Naeini

In regions where global navigation satellite systems (GNSS) signals are unavailable, such as underground areas and tunnels, GNSS simulators can be deployed for transmitting simulated GNSS signals. Then, a GNSS receiver in the simulator…

Signal Processing · Electrical Eng. & Systems 2023-06-08 Woohyun Kim , Jiwon Seo

Network-on-Chip (NoC) enables on-chip communication between diverse cores in modern System-on-Chip (SoC) designs. With its shared communication fabric, NoC has become a focal point for various security threats, especially in heterogeneous…

Cryptography and Security · Computer Science 2025-05-22 Hansika Weerasena , Xiaoguo Jia , Prabhat Mishra

Network-based Global Navigation Satellite Systems (GNSS) underpin critical infrastructure and autonomous systems, yet typically rely on centralized processing hubs that limit scalability, resilience, and latency. Here we report a…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Xue Xian Zheng , Xing Liu , Tareq Y. Al-Naffouri

With the rise of location-based service (LBS) applications that rely on terrestrial and satellite infrastructures (e.g., GNSS and crowd-sourced Wi-Fi, Bluetooth, cellular, and IP databases) for positioning, ensuring their integrity and…

Cryptography and Security · Computer Science 2025-11-03 Wenjie Liu , Panos Papadimitratos

The increasing reliance on Global Navigation Satellite Systems (GNSS), particularly the Global Positioning System (GPS), underscores the urgent need to safeguard these technologies against malicious threats such as spoofing and jamming. As…

Cryptography and Security · Computer Science 2025-01-07 Ali Ghanbarzade , Hossein Soleimani

Distributed Denial of Service (DDoS) attacks are a major concern in network security, as they overwhelm systems with excessive traffic, compromise sensitive data, and disrupt network services. Accurately detecting these attacks is crucial…

Cryptography and Security · Computer Science 2024-10-15 Kanthimathi S , Shravan Venkatraman , Jayasankar K S , Pranay Jiljith T , Jashwanth R

This paper presents a system-level engineering approach for the preliminary coverage performance analysis and the design of a generic Global Navigation Satellite System (GNSS) constellation. This analysis accounts for both the coverage…

Instrumentation and Methods for Astrophysics · Physics 2020-09-22 Marco Nugnes , Camilla Colombo , Massimo Tipaldi

In recent years, there has been a sharp increase in Global Navigation Satellite Systems (GNSS) interference, which has proven to be problematic in GNSS-dependent civilian applications. Many currently deployed GNSS receivers lack the proper…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Jacob S. Clements , Zachary L. Clements

Global Navigation Satellite Systems (GNSS) are integrated into many devices. However, civilian GNSS signals are usually not cryptographically protected. This makes attacks that forge signals relatively easy. Considering modern devices often…

Cryptography and Security · Computer Science 2025-05-13 Wenjie Liu , Panos Papadimitratos

Internet of Things (IoT) is transforming human lives by paving the way for the management of physical devices on the edge. These interconnected IoT objects share data for remote accessibility and can be vulnerable to open attacks and…

Cryptography and Security · Computer Science 2021-04-27 Muhammad Almas Khan , Muazzam A Khan , Shahid Latif , Awais Aziz Shah , Mujeeb Ur Rehman , Wadii Boulila , Maha Driss , Jawad Ahmad

Nowadays, the deployment of deep learning-based applications is an essential task owing to the increasing demands on intelligent services. In this paper, we investigate latency attacks on deep learning applications. Unlike common…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Erh-Chung Chen , Pin-Yu Chen , I-Hsin Chung , Che-rung Lee