Results 11 to 20 of about 2,288 (244)
Wideband spectrum sensing based on modulated wideband converter with nested array [PDF]
IET Communications, 2021 Several spectrum sensing systems based on sub‐Nyquist sampling have been extensively studied to deal with difficulties of traditional wideband spectrum sensing in cognitive radio (CR) networks.
Qiuyue Li, Zhi Li, Jian Li
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Bayesian Compressive Sensing Wideband Spectrum Detection Based on Energy Efficiency [PDF]
Jisuanji gongcheng, 2016 In Cognitive Radio Network(CRN),wideband spectrum detection based on Compressive Sensing(CS) only focuses on spectral efficiency.Energy efficiency is hardly considered in spectrum detection phase,which results in larger energy consumption with the ...
WANG Zan,XU Xiaorong,YAO Yingbiao
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Wideband Spectrum Sensing by Model Order Selection [PDF]
IEEE Transactions on Wireless Communications, 2015 Spectrum sensing is an essential functionality in cognitive radio (CR) systems allowing us to discover spectrum opportunities and enabling primary user (PU) protection. Wideband spectrum sensing (WS) improves the awareness of the surrounding radio environment by jointly monitoring multiple frequency bands.
MARIANI, ANDREA +2 more
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Distributed Wideband Spectrum Sensing
CoRR, 2015 6 pages, 6 figures, submitted to ieee Globecom ...
Thomas Kealy +2 more
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Wideband Spectrum Sensing Method Based on Channels Clustering and Hidden Markov Model Prediction
Information, 2019 Spectrum sensing is the necessary premise for implementing cognitive radio technology. The conventional wideband spectrum sensing methods mainly work with sweeping frequency and still face major challenges in performance and efficiency.
Huan Wang +3 more
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Wideband Spectrum Sensing in Cognitive Radio Networks [PDF]
2008 IEEE International Conference on Communications, 2008 Spectrum sensing is an essential enabling functionality for cognitive radio networks to detect spectrum holes and opportunistically use the under-utilized frequency bands without causing harmful interference to legacy networks. This paper introduces a novel wideband spectrum sensing technique, called multiband joint detection, which jointly detects the
Zhi Quan +3 more
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IEEE Access, 2018 Wideband spectrum sensing is an important aspect of cognitive radio systems. In current models of wide spectrum sensing, a discrete frequency denotes a continuous frequency band. This type of model is divorced from practice and cannot reflect the reality
Yulong Gao, Yanping Chen, Yongkui Ma
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Online Wideband Spectrum Sensing Using Sparsity [PDF]
IEEE Journal of Selected Topics in Signal Processing, 2018 arXiv admin note: text overlap with arXiv:1608 ...
Lampros Flokas, Petros Maragos
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Evaluation of the Effects of Compressive Spectrum Sensing Parameters on Primary User Behavior Estimation [PDF]
Port Said Engineering Research Journal, 2021 As the Internet of Things (IoT) technology is being deployed, the demand for radio spectrum is increasing. Cognitive radio (CR) is one of the most promising solutions to allow opportunistic spectrum access for IoT secondary users through utilizing ...
Ahmed Tawfik +2 more
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A Sequential Compressed Spectrum Sensing Algorithm against SSDH Attack in Cognitive Radio Networks
Journal of Electrical and Computer Engineering, 2018 Spectrum sensing is one of the key technologies in wireless wideband communication. There are still challenges in respect of how to realize fast and robust wideband spectrum sensing technology.
Zhuhua Hu +4 more
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