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Related papers: Mode Selection in Cognitive Radar Networks

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Convolutional neural networks (CNN) have been successfully employed to tackle several remote sensing tasks such as image classification and show better performance than previous techniques. For the radar imaging community, a natural…

Signal Processing · Electrical Eng. & Systems 2018-07-03 Jingkun Gao , Bin Deng , Yuliang Qin , Hongqiang Wang , Xiang Li

Smart Grids of collaborative netted radars accelerate kill chains through more efficient cross-cueing over centralized command and control. In this paper, we propose two novel reward-based learning approaches to decentralized netted radar…

Artificial Intelligence · Computer Science 2020-10-23 Nouredine Nour , Reda Belhaj-Soullami , Cédric Buron , Alain Peres , Frédéric Barbaresco

Cognitive radio (CR) is a promising technology to improve spectrum utilization. However, spectrum availability is uncertain which mainly depends on primary user's (PU's) behaviors. This makes it more difficult for most existing CR routing…

Networking and Internet Architecture · Computer Science 2016-11-17 Xiaoxiong Zhong , Yang Qin , Yuanyuan Yang , Li Li

Cognitive Radio Networks (CRNs) are being studied intensively and gaining importance as spectrum is the heavily underutilized. CRN has the capability to exploit smartly the unutilized frequency spectrum. Recently, the research community…

Networking and Internet Architecture · Computer Science 2016-06-21 Fatima Zohra Benidris , Badr Benmammar , Leila Merghem-Boulahia , Moez Esseghir

In cognitive radio networks (CRNs), dynamic spectrum access has been proposed to improve the spectrum utilization, but it also generates spectrum misuse problems. One common solution to these problems is to deploy monitors to detect…

Information Theory · Computer Science 2017-10-18 Ming Li , Dejun Yang , Jian Lin , Ming Li , Jian Tang

Green energy powered cognitive radio (CR) network is capable of liberating the wireless access networks from spectral and energy constraints. The limitation of the spectrum is alleviated by exploiting cognitive networking in which wireless…

Networking and Internet Architecture · Computer Science 2014-08-07 Xueqing Huang , Tao Han , Nirwan Ansari

Wireless sensor networks (WSNs) operating in the license-free spectrum suffer from uncontrolled interference as those spectrum bands become increasingly crowded. The emerging cognitive radio sensor networks (CRSNs) provide a promising…

Networking and Internet Architecture · Computer Science 2015-07-23 Ju Ren , Yaoxue Zhang , Ning Zhang , Deyu Zhang , Xuemin , Shen

The successful operation of cognitive radio (CR) between CR transmitter and CR receiver (CR link) relies on reliable spectrum sensing. To network CRs requires spectrum sensing at CR transmitter and further information regarding the spectrum…

Information Theory · Computer Science 2009-07-17 Sheng-Yuan Tu , Kwang-Cheng Chen

In this work, we first describe a framework for the application of Reinforcement Learning (RL) control to a radar system that operates in a congested spectral setting. We then compare the utility of several RL algorithms through a…

Machine Learning · Computer Science 2020-06-24 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone , Kelly D. Sherbondy

Selection of hyperparameters in deep neural networks is a challenging problem due to the wide search space and emergence of various layers with specific hyperparameters. There exists an absence of consideration for the neural architecture…

Information Theory · Computer Science 2024-01-31 Amir Mehrabian , Maryam Sabbaghian , Halim Yanikomeroglu

Consider a target being tracked by a cognitive radar network. If the target can intercept noisy radar emissions, how can it detect coordination in the radar network? By 'coordination' we mean that the radar emissions satisfy Pareto…

Signal Processing · Electrical Eng. & Systems 2023-04-19 Luke Snow , Vikram Krishnamurthy

Multiband spectrum access presents the next generation of cognitive radio networks (CRNs), where multiple bands are sensed and accessed to enhance the network's throughput, improve spectrum's maintenance, and reduce handoff frequency and…

Information Theory · Computer Science 2014-09-24 Ghaith Hattab , Mohamed Ibnkahla

This article provides an overview of the state-of-art results on communication resource allocation over space, time, and frequency for emerging cognitive radio (CR) wireless networks. Focusing on the…

Information Theory · Computer Science 2016-11-17 Rui Zhang , Ying-Chang Liang , Shuguang Cui

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

Cognitive Radio (CR) is a paradigm shift in wireless communications to resolve the spectrum scarcity issue with the ability to self-organize, self-plan and self-regulate. On the other hand, wireless devices that can learn from their…

Signal Processing · Electrical Eng. & Systems 2022-11-24 Ali Krayani

This work addresses the coexistence problem for radar networks. Specifically, we model a network of cooperative, independent, and non-communicating radar nodes which must share resources within the network as well as with non-cooperative…

Signal Processing · Electrical Eng. & Systems 2022-07-21 William Howard , Anthony Martone , R. Michael Buehrer

Resource allocation is of great importance in the next generation wireless communication systems, especially for cognitive radio networks (CRNs). Many resource allocation strategies have been proposed to optimize the performance of CRNs.…

Information Theory · Computer Science 2018-07-17 Fuhui Zhou , Xiongjian Zhang , Rose Qingyang Hu , Apostolos Papathanassiou , Weixiao Meng

In this paper, we investigate dynamic channel and rate selection in cognitive radio systems which exploit a large number of channels free from primary users. In such systems, transmitters may rapidly change the selected (channel, rate) pair…

Information Theory · Computer Science 2014-05-13 Richard Combes , Alexandre Proutiere

In this paper, we consider the joint opportunistic routing and channel assignment problem in multi-channel multi-radio (MCMR) cognitive radio networks (CRNs) for improving aggregate throughput of the secondary users. We first present the…

Networking and Internet Architecture · Computer Science 2016-11-17 Yang Qin , Xiaoxiong Zhong , Yuanyuan Yang , Yanlin Li , Li Li

Cognitive Radio (CR) networks presents a paradigm shift aiming to alleviate the spectrum scarcity problem exasperated by the increasing demand on this limited resource. It promotes dynamic spectrum access, cooperation among heterogeneous…

Applications · Statistics 2020-01-09 Bashar I Ahmad