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Conventional sub-Nyquist sampling methods for analog signals exploit prior information about the spectral support. In this paper, we consider the challenging problem of blind sub-Nyquist sampling of multiband signals, whose unknown…

Information Theory · Computer Science 2015-05-13 Moshe Mishali , Yonina C. Eldar

The increasing number of wireless devices operating in unlicensed spectrum motivates the development of intelligent adaptive approaches to spectrum access. We consider decentralized contention-based medium access for base stations (BSs)…

Information Theory · Computer Science 2021-10-15 Akash Doshi , Srinivas Yerramalli , Lorenzo Ferrari , Taesang Yoo , Jeffrey G. Andrews

Due to the increased usage of spectrum caused by the exponential growth of wireless devices, detecting and avoiding interference has become an increasingly relevant problem to ensure uninterrupted wireless communications. In this paper, we…

Networking and Internet Architecture · Computer Science 2023-01-24 Clifton Paul Robinson , Daniel Uvaydov , Salvatore D'Oro , Tommaso Melodia

This paper proposes novel spectrum sensing algorithm, and examines the sensing throughput tradeoff for cognitive radio (CR) networks under noise variance uncertainty. It is assumed that there are one white sub-band, and one target sub-band…

Applications · Statistics 2014-04-16 Tadilo Endeshaw Bogale , Luc Vandendorpe , Long Bao Le

Cognitive radio (CR) is found to be an emerging key for efficient spectrum utilization. In this paper, spectrum sharing among service providers with the help of cognitive radio has been investigated. The technique of spectrum sharing among…

Networking and Internet Architecture · Computer Science 2013-01-08 R. Kaniezhil , Dr. C. Chandrasekar

A reliable fault diagnosis system should not only accurately classify known health states but also effectively identify unknown faults. In multimode processes, samples belonging to the same health state often show multiple cluster…

Machine Learning · Computer Science 2025-11-13 Guangqiang Li , M. Amine Atoui , Xiangshun Li

Detecting drifts in data is essential for machine learning applications, as changes in the statistics of processed data typically has a profound influence on the performance of trained models. Most of the available drift detection methods…

Machine Learning · Computer Science 2024-10-28 Andrea Castellani , Sebastian Schmitt , Barbara Hammer

This study investigates the capabilities of Cyclic Redundancy Checks(CRCs) to detect burst and random errors. Researchers have favored these error detection codes throughout the evolution of computing and have implemented them in…

Networking and Internet Architecture · Computer Science 2022-05-24 Waylon Jepsen

The performance increase up to the sensor resolution in repetitive control (RC) invalidates the standard assumption in RC that data is available at equidistant time instances, e.g., in systems with package loss or when exploiting…

Systems and Control · Electrical Eng. & Systems 2023-03-31 Johan Kon , Nard Strijbosch , Sjirk Koekebakker , Tom Oomen

Spectrum resources are facing huge demands and cognitive radio (CR) can improve the spectrum utilization. Recently, power spectral density (PSD) map is defined to enable the CR to reuse the frequency resources regarding to the area. For…

Information Theory · Computer Science 2016-12-12 Mohammad Eslami , Farah Torkamani-Azar , Esfandiar Mehrshahi

In this work, the concept of Braced Fourier Continuation and Regression (BFCR) is introduced. BFCR is a novel and computationally efficient means of finding nonlinear regressions or trend lines in arbitrary one-dimensional data sets. The…

Machine Learning · Statistics 2024-07-02 Josef Sabuda

In Cognitive Radio (CR) networks, multiple secondary network users (SUs) attempt to communicate over wide potential spectrum without causing significant interference to the Primary Users (PUs). A spectrum sensing algorithm is a critical…

Networking and Internet Architecture · Computer Science 2013-04-04 Yuan Lu , Alexandra Duel-Hallen

Multi-rate asynchronous sub-Nyquist sampling (MASS) is proposed for wideband spectrum sensing. Corresponding spectral recovery conditions are derived and the probability of successful recovery is given. Compared to previous approaches, MASS…

Information Theory · Computer Science 2013-03-11 Hongjian Sun , Wei-Yu Chiu , Jing Jiang , Arumugam Nallanathan , H. Vincent Poor

Cybersecurity of Industrial Control Systems (ICS) is drawing significant concerns as data communication increasingly leverages wireless networks. A lot of data-driven methods were developed for detecting cyberattacks, but few are focused on…

Machine Learning · Computer Science 2020-09-28 Dan Li , Paritosh Ramanan , Nagi Gebraeel , Kamran Paynabar

Safety-critical perception systems require both reliable uncertainty quantification and principled abstention mechanisms to maintain safety under diverse operational conditions. We present a novel dual-threshold conformalization framework…

Robotics · Computer Science 2025-09-23 Divake Kumar , Nastaran Darabi , Sina Tayebati , Amit Ranjan Trivedi

In this paper, we focus on recovery control of nonlinear systems from attacks or failures. The main challenges of this problem lie in (1) learning the unknown dynamics caused by attacks or failures with formal guarantees, and (2) finding…

Systems and Control · Electrical Eng. & Systems 2025-11-07 Zihao Song , Shirantha Welikala , Panos J. Antsaklis , Hai Lin

Facial manipulation by deep fake has caused major security risks and raised severe societal concerns. As a countermeasure, a number of deep fake detection methods have been proposed recently. Most of them model deep fake detection as a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Aakash Varma Nadimpalli , Ajita Rattani

Compressed sensing (CS) is a promising tool for reducing sampling costs. Current deep neural network (NN)-based CS methods face the challenges of collecting labeled measurement-ground truth (GT) data and generalizing to real applications.…

Signal Processing · Electrical Eng. & Systems 2024-08-15 Bin Chen , Xuanyu Zhang , Shuai Liu , Yongbing Zhang , Jian Zhang

The concept of cognitive radar (CR) enables radar systems to achieve intelligent adaption to a changeable environment with feedback facility from receiver to transmitter. However, the implementation of CR in a fast-changing environment…

Signal Processing · Electrical Eng. & Systems 2021-10-08 Pengfei Liu , Yimin Liu , Tianyao Huang , Yuxiang Lu , Xiqin Wang

Malicious attacks on modern autonomous cyber-physical systems (CPSs) can leverage information about the system dynamics and noise characteristics to hide while hijacking the system toward undesired states. Given attacks attempting to hide…

Systems and Control · Electrical Eng. & Systems 2020-05-19 Paul J. Bonczek , Shijie Gao , Nicola Bezzo
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