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Energy Detection for Spectrum Sensing in Cognitive Radio

2014-02-15 Computers
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Release : 2014-02-15
Genre : Computers
Kind : eBook
Book Rating : 949/5 ( reviews)

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Book Synopsis Energy Detection for Spectrum Sensing in Cognitive Radio by : Saman Atapattu

Download or read book Energy Detection for Spectrum Sensing in Cognitive Radio written by Saman Atapattu. This book was released on 2014-02-15. Available in PDF, EPUB and Kindle. Book excerpt: This Springer Brief focuses on the current state-of-the-art research on spectrum sensing by using energy detection, a low-complexity and low-cost technique. It includes a comprehensive summary of recent research, fundamental theories, possible architectures, useful performance measurements of energy detection and applications of energy detection. Concise, practical chapters explore conventional energy detectors, alternative forms of energy detectors, performance measurements, diversity techniques and cooperative networks. The careful analysis enables reader to identify the most efficient techniques for improving energy detection performance. Energy Detection for Spectrum Sensing in Cognitive Radio is a valuable tool for researchers and practitioners interested in spectrum sensing and cognitive radio networks. Advanced-level students studying wireless communication will also benefit from this brief.

Energy Detection Based Spectrum Sensing in Cognitive Radio

2015-06-25
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Release : 2015-06-25
Genre :
Kind : eBook
Book Rating : 482/5 ( reviews)

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Book Synopsis Energy Detection Based Spectrum Sensing in Cognitive Radio by : Pranav Patel

Download or read book Energy Detection Based Spectrum Sensing in Cognitive Radio written by Pranav Patel. This book was released on 2015-06-25. Available in PDF, EPUB and Kindle. Book excerpt: The rapid usage of wireless-communications in personal, commercial and governmental capacities, efficient spectrum utilization has become a prime topic of interest. Most of the licensed bands suffer from under-utilization and less spectral occupancy of spectrum. Cognitive radio technology promising solution to the problem of low spectral occupancy and inefficient utilization of the licensed radio spectrum. A prime constituent of the cognitive radio technology is spectrum sensing. Energy detection (ED) is one of the popular spectrum sensing technique for cognitive radio. In this work, I Proposed RTL 2832U SDR stick is suitable for energy detection based spectrum sensing method. In this experiment, we capture the real time signal coming from the BTS over the different city in rural & urban area using an RTL 2832U SDR stick to decide the frequency band available or not. The GNU Radio software allows for the implementation of Energy detection spectrum sensing technique using the RTL-SDR.

Spectrum Sensing for Cognitive Radio

2021-12-30 Technology & Engineering
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Release : 2021-12-30
Genre : Technology & Engineering
Kind : eBook
Book Rating : 035/5 ( reviews)

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Book Synopsis Spectrum Sensing for Cognitive Radio by : Kamal M. Captain

Download or read book Spectrum Sensing for Cognitive Radio written by Kamal M. Captain. This book was released on 2021-12-30. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference text discusses concepts of cognitive radio and the advances in the field of spectrum sensing. This text discusses the concept of cognitive radio for next generation wireless communication and a very critical aspect of cognitive radio – that is, spectrum sensing – in detail. It covers important topics including narrowband spectrum sensing, wideband spectrum sensing, cooperative spectrum sensing, system and channel models, detection algorithms, approximation of decision statistics, and theoretical analysis of detection algorithms in detail. Separate chapters are dedicated to discussing the analysis and use of detection algorithms for narrowband spectrum sensing, wideband spectrum sensing, and cooperative wideband spectrum sensing. Aimed at graduate students and academic researchers in the fields of electrical engineering and electronics and communication engineering, this text: Discusses concepts of cognitive radio and research in spectrum sensing. Presents mathematical analysis of algorithms considering practical environment. Explains novel wideband spectrum sensing algorithms with detailed analysis. Provides mathematical derivations to help readers. Discusses basic spectrum sensing algorithms, from narrowband spectrum sensing to the more advanced wideband spectrum sensing.

Analysis of Energy Detection in Cognitive Radio Networks

2013 Cognitive radio networks
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Release : 2013
Genre : Cognitive radio networks
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Analysis of Energy Detection in Cognitive Radio Networks by : Saman U. B. Atapattu

Download or read book Analysis of Energy Detection in Cognitive Radio Networks written by Saman U. B. Atapattu. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: Cognitive radio is one of the most promising technologies to address the spectrum scarcity problem. Cognitive radio requires spectrum sensing, which is used by unlicensed users to opportunistically access the licensed spectrum. Spectrum sensing using energy detection offers low-cost and low-complexity. In this thesis, a comprehensive performance analysis of energy detection based spectrum sensing is developed. Detection performance over composite (fading and shadowing) channels is first investigated using the K and K_G channel models. To further facilitate analysis of energy detection over different wireless channels, a unified channel model based on a mixture gamma distribution is developed. The unified model can accurately represent most existing channel models. A single-value performance metric, the area under the receiver operating characteristic curve, is proposed to measure the overall detection capability, and is investigated over various wireless fading channels. The energy detection based cooperative spectrum sensing is also studied, which can largely improve the detection performance. Since spectrum sensing is required to identify activities of licensed users at a very low signal-to-noise ratio (SNR), performance of energy detection with low SNR is also analyzed in this thesis.

Dynamic Spectrum Management

2019-11-02 Technology & Engineering
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Release : 2019-11-02
Genre : Technology & Engineering
Kind : eBook
Book Rating : 767/5 ( reviews)

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Book Synopsis Dynamic Spectrum Management by : Ying-Chang Liang

Download or read book Dynamic Spectrum Management written by Ying-Chang Liang. This book was released on 2019-11-02. Available in PDF, EPUB and Kindle. Book excerpt: This open access book, authored by a world-leading researcher in this field, describes fundamentals of dynamic spectrum management, provides a systematic overview on the enabling technologies covering cognitive radio, blockchain, and artificial intelligence, and offers valuable guidance for designing advanced wireless communications systems. This book is intended for a broad range of readers, including students and professionals in this field, as well as radio spectrum policy makers.

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