Results 1 to 10 of about 20,604 (120)
Wideband Spectrum Sensing: A Bayesian Compressive Sensing Approach [PDF]
Sensors, 2018 Sensing the wideband spectrum is an important process for next-generation wireless communication systems. Spectrum sensing primarily aims at detecting unused spectrum holes over wide frequency bands so that secondary users can use them to meet their ...
Youness Arjoune, Naima Kaabouch
doaj +5 more sources
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.
Cui, Shuguang +3 more
core +2 more sources
Online Wideband Spectrum Sensing Using Sparsity [PDF]
IEEE Journal of Selected Topics in Signal Processing, 2018 Wideband spectrum sensing is an essential part of cognitive radio systems. Exact spectrum estimation is usually inefficient as it requires sampling rates at or above the Nyquist rate.
Flokas, Lampros, Maragos, Petros
core +2 more sources
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
doaj +2 more sources
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
doaj +3 more sources
Wideband spectrum sensing for cognitive radio networks: a survey [PDF]
IEEE Wireless Communications, 2013 17 pages, 4 figures, 2 tables.
Hongjian Sun +2 more
exaly +4 more sources
Compressed Wideband Spectrum Sensing: Concept, Challenges, and Enablers [PDF]
IEEE Communications Magazine, 2018 6 pages, 5 figures, and 1 ...
Béchir Hamdaoui +2 more
exaly +3 more sources
Sensors, 2017 In a cognitive radio sensor network (CRSN), wideband spectrum sensing devices which aims to effectively exploit temporarily vacant spectrum intervals as soon as possible are of great importance.
Weisong Liu +3 more
doaj +3 more sources
Adaptive Compressive Spectrum Sensing for Wideband Cognitive Radios [PDF]
IEEE Communications Letters, 2012 11 pages, 4 figures. This paper has been accepted to be published in IEEE Communications Letters.
Hongjian Sun +2 more
exaly +4 more sources
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
openaire +1 more source