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Autonomous driving highly depends on capable sensors to perceive the environment and to deliver reliable information to the vehicles' control systems. To increase its robustness, a diversified set of sensors is used, including radar…

Signal Processing · Electrical Eng. & Systems 2021-05-04 Alexander Fuchs , Johanna Rock , Mate Toth , Paul Meissner , Franz Pernkopf

Convolutional neural network (CNN) is widely used in computer vision applications. In the networks that deal with images, CNNs are the most time-consuming layer of the networks. Usually, the solution to address the computation cost is to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Meisam Rakhshanfar

Radar sensors are crucial for environment perception of driver assistance systems as well as autonomous vehicles. With a rising number of radar sensors and the so far unregulated automotive radar frequency band, mutual interference is…

Signal Processing · Electrical Eng. & Systems 2022-01-26 Johanna Rock , Wolfgang Roth , Mate Toth , Paul Meissner , Franz Pernkopf

In the incoming years, the low-aerial space will be crowded by unmanned aerial vehicles (UAVs), which will be providing different services. In this expected context, an emerging problem is to detect and track unauthorized or malicious…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Anna Guerra , Davide Dardari , Petar M. Djuric

The joint adaptive detection of multiple point-like targets in scenarios characterized by different clutter types is still an open problem in the radar community. In this paper, we provide a solution to this problem by devising detection…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Linjie Yan , Sudan Han , Chengpeng Hao , Danilo Orlando , Giuseppe Ricci

Spectrum efficiency and energy efficiency are two critical issues in designing wireless networks. Through dynamic spectrum access, cognitive radios can improve the spectrum efficiency and capacity of wireless networks. On the other hand,…

Networking and Internet Architecture · Computer Science 2016-11-15 Xiao Lu , Ping Wang , Niyato Dusit , Hossain Ekram

We model a radar network as an adversarial bandit problem, where the environment pre-selects reward sequences for each of several actions available to the network. This excludes environments which vary rewards in response to the learner's…

Signal Processing · Electrical Eng. & Systems 2021-10-26 William W. Howard , R. M. Buehrer , Anthony Martone

We study the performance of cognitive radio networks (CRNs) when incorporating adaptive modulation at the physical layer. Three types of CRNs are considered, namely opportunistic spectrum access (OSA), spectrum sharing (SS) and…

Networking and Internet Architecture · Computer Science 2013-04-03 F. Foukalas , G. T. Karetsos

A key component of cognitive radar is the ability to generalize, or achieve consistent performance across a range of sensing environments, since aspects of the physical scene may vary over time. This presents a challenge for learning-based…

Information Theory · Computer Science 2023-02-08 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Cognitive radar has emerged as a key paradigm for next-generation sensing, enabling adaptive, intelligent operation in dynamic and complex environments. Yet, conventional cognitive multiple-input multiple-output (MIMO) radars offer strong…

Signal Processing · Electrical Eng. & Systems 2025-09-18 Adam Umra , Aya Mostafa Ahmed , Stefan Roth , Aydin Sezgin

Given their substantial success in addressing a wide range of computer vision challenges, Convolutional Neural Networks (CNNs) are increasingly being used in smart home applications, with many of these applications relying on the automatic…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Utku Ozbulak , Baptist Vandersmissen , Azarakhsh Jalalvand , Ivo Couckuyt , Arnout Van Messem , Wesley De Neve

Cognitive radio networks (CRNs) propose a smart solution for spectrum usage inefficiency. Routing protocols for CRNs follow different criteria to choose the best route to the destination and to avoid the interference with primary users.…

Networking and Internet Architecture · Computer Science 2016-10-06 Arsany Guirguis , Mustafa El-Nainay

The increasing demand for spectral and energy efficient communication networks has spurred a great interest in energy harvesting (EH) cognitive radio networks (CRNs). Such a revolutionary technology represents a paradigm shift in the…

Information Theory · Computer Science 2016-11-15 Lina Mohjazi , Mehrdad Dianati , George K. Karagiannidis , Sami Muhaidat , Mahmoud Al-Qutayri

Networks of multiple radars are typically used for improving the coverage and tracking accuracy. Recently, such networks have facilitated deployment of commercial radars for civilian applications such as healthcare, gesture recognition,…

Signal Processing · Electrical Eng. & Systems 2020-04-07 S. Hamed Javadi , Alfonso Farina

Designing a cognitive radar system capable of adapting its parameters is challenging, particularly when tasked with tracking a ballistic missile throughout its entire flight. In this work, we focus on proposing adaptive algorithms that…

Signal Processing · Electrical Eng. & Systems 2024-10-15 Thulasi Tholeti , Avinash Rangarajan , Sheetal Kalyani

A cognitive radar adapts the transmit waveform in response to changes in the radar and target environment. In this work, we analyze the recently proposed sub-Nyquist cognitive radar wherein the total transmit power in a multi-band cognitive…

Information Theory · Computer Science 2017-01-17 Kumar Vijay Mishra , Yonina C. Eldar

Multi-parameter cognition in a cognitive radio network (CRN) provides a more thorough understanding of the radio environments, and could potentially lead to far more intelligent and efficient spectrum usage for a secondary user. In this…

Signal Processing · Electrical Eng. & Systems 2019-10-02 Rui Zhang , Peng Cheng , Zhuo Chen , Yonghui Li , Branka Vucetic

In tracking radar, the sensing environment often varies significantly over a track duration due to the target's trajectory and dynamic interference. Adapting the radar's waveform using partial information about the state of the scene has…

Information Theory · Computer Science 2021-08-04 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

A sequential decision process in which an adaptive radar system repeatedly interacts with a finite-state target channel is studied. The radar is capable of passively sensing the spectrum at regular intervals, which provides side information…

Information Theory · Computer Science 2021-10-15 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Cognitive Radio (CR) promises an efficient utilization of radio spectrum resources by enabling dynamic spectrum access to overcome the spectrum scarcity problem. Cognitive Radio Sensor Networks (CRSNs) are one type of Wireless Sensor…

Networking and Internet Architecture · Computer Science 2022-02-25 Mustafa Ozger , Ecehan B. Pehlivanoglu , Ozgur B. Akan