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Related papers: Mode Selection in Cognitive Radar Networks

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Cognitive radio (CR) is considered as a key enabling technology for dynamic spectrum access to improve spectrum efficiency. Although the CR concept was invented with the core idea of realizing cognition, the research on measuring CR…

Networking and Internet Architecture · Computer Science 2018-03-21 Monireh Dabaghchian , Amir Alipour-Fanid , Songsong Liu , Kai Zeng , Xiaohua Li , Yu Chen

In this work, we present a novel approach to calibrate segmentation networks that considers the inherent challenges posed by different categories and object regions. In particular, we present a formulation that integrates class and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Balamurali Murugesan , Julio Silva-Rodriguez , Ismail Ben Ayed , Jose Dolz

In modern radar systems, precise target localization using azimuth and velocity estimation is paramount. Traditional unbiased estimation methods have utilized gradient descent algorithms to reach the theoretical limits of the Cramer Rao…

Signal Processing · Electrical Eng. & Systems 2024-04-24 Shyam Venkatasubramanian , Sandeep Gogineni , Bosung Kang , Muralidhar Rangaswamy

With new applications for radar networks such as automotive control or indoor localization, the need for spectrum sharing and general interoperability is expected to rise. This paper describes the application of multi-player bandit…

Information Theory · Computer Science 2021-02-02 William W. Howard , Charles E. Thornton , Anthony F. Martone , R. Michael Buehrer

This paper describes a sequential, or online, learning scheme for adaptive radar transmissions that facilitate spectrum sharing with a non-cooperative cellular network. First, the interference channel between the radar and a spatially…

Information Theory · Computer Science 2020-08-25 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Recent advances in learning techniques have garnered attention for their applicability to a diverse range of real-world sequential decision-making problems. Yet, many practical applications have critical constraints for operation in real…

Machine Learning · Computer Science 2024-05-06 Jose A. Ayala-Romero , Andres Garcia-Saavedra , Xavier Costa-Perez

Leveraging the advanced functionalities of modern radio frequency (RF) modeling and simulation tools, specifically designed for adaptive radar processing applications, this paper presents a data-driven approach to improve accuracy in radar…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Shyam Venkatasubramanian , Sandeep Gogineni , Bosung Kang , Ali Pezeshki , Muralidhar Rangaswamy , Vahid Tarokh

Planning problems in partially observable environments cannot be solved directly with convolutional networks and require some form of memory. But, even memory networks with sophisticated addressing schemes are unable to learn intelligent…

Artificial Intelligence · Computer Science 2018-02-15 Arbaaz Khan , Clark Zhang , Nikolay Atanasov , Konstantinos Karydis , Vijay Kumar , Daniel D. Lee

For using neural networks in safety critical domains, it is important to know if a decision made by a neural network is supported by prior similarities in training. We propose runtime neuron activation pattern monitoring - after the…

Machine Learning · Computer Science 2018-09-24 Chih-Hong Cheng , Georg Nührenberg , Hirotoshi Yasuoka

In this paper, we derive the Cramer-Rao bound (CRB) for joint target position and velocity estimation using an active or passive distributed radar network under more general, and practically occurring, conditions than assumed in previous…

Statistics Theory · Mathematics 2016-04-20 Qian He , Jianbin Hu , Rick S. Blum , Yonggang Wu

The proliferation of wireless communications has recently created a bottleneck in terms of spectrum availability. Motivated by the observation that the root of the spectrum scarcity is not a lack of resources but an inefficient managing…

Computational Engineering, Finance, and Science · Computer Science 2018-02-14 Deborah Cohen , Shahar Tsiper , Yonina C. Eldar

This paper addresses the problem of channel allocation in Cognitive Radio (CR) networks. CR has been considered as a technology which improves spectrum utilization significantly by carrying out Dynamic Spectrum Management (DSM). One issue…

Signal Processing · Electrical Eng. & Systems 2020-04-17 Ahmad Ghasemi , Foad Ghasemi

A novel approach of training data augmentation and domain adaptation is presented to support machine learning applications for cognitive radio. Machine learning provides effective tools to automate cognitive radio functionalities by…

Networking and Internet Architecture · Computer Science 2018-04-04 Kemal Davaslioglu , Yalin E. Sagduyu

The performance of convolutional neural networks (CNNs) can be improved by adjusting the interrelationship between channels with attention mechanism. However, attention mechanism in recent advance has not fully utilized spatial information…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 YuTao Shen , Ying Wen

Model-free learning has been considered as an efficient tool for designing control mechanisms when the model of the system environment or the interaction between the decision-making entities is not available as a-priori knowledge. With…

Networking and Internet Architecture · Computer Science 2016-03-10 Wenbo Wang , Andres Kwasinski , Dusit Niyato , Zhu Han

Radar processing via spiking neural networks (SNNs) has recently emerged as a solution in the field of ultra-low-power wireless human-computer interaction. Compared to traditional energy- and area-hungry deep learning methods, SNNs are…

Signal Processing · Electrical Eng. & Systems 2021-08-25 Ali Safa , André Bourdoux , Ilja Ocket , Francky Catthoor , Georges G. E. Gielen

In this paper, we investigate the issue of spectrum assignment in CRNs and examine various opportunistic spectrum access approaches proposed in the literature. We provide insight into the efficiency of such approaches and their ability to…

Networking and Internet Architecture · Computer Science 2016-05-10 Haythem Bany Salameh

Deep neural networks (DNNs) have found applications in diverse signal processing (SP) problems. Most efforts either directly adopt the DNN as a black-box approach to perform certain SP tasks without taking into account of any known…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Zhe Zhang , Xiang Chen , Zhi Tian

As convolutional neural networks (CNNs) enable state-of-the-art computer vision applications, their high energy consumption has emerged as a key impediment to their deployment on embedded and mobile devices. Towards efficient image…

In Cognitive Radio Networks (CRNs), the secondary users (SUs) are allowed to access the licensed channels opportunistically. A fundamental and essential operation for SUs is to establish communication through choosing a common channel at…

Networking and Internet Architecture · Computer Science 2014-04-15 Haisheng Tan , Jiajun Yu , Hongyu Liang , Tiancheng Lou , Francis C. M. Lau