Spectrum sensing for cognitive radio: Recent advances and future challenge

A Nasser, H Al Haj Hassan, J Abou Chaaya… - Sensors, 2021 - mdpi.com
Spectrum Sensing (SS) plays an essential role in Cognitive Radio (CR) networks to
diagnose the availability of frequency resources. In this paper, we aim to provide an in-depth …

Cognitive radio techniques under practical imperfections: A survey

SK Sharma, TE Bogale, S Chatzinotas… - … Surveys & Tutorials, 2015 - ieeexplore.ieee.org
Cognitive radio (CR) has been considered as a potential candidate for addressing the
spectrum scarcity problem of future wireless networks. Since its conception, several …

Cyclostationarity: New trends and applications

A Napolitano - Signal processing, 2016 - Elsevier
A concise survey of the literature on cyclostationarity of the last 10 years is presented and an
extensive bibliography included. The problems of statistical function estimation, signal …

Sub-Nyquist cyclostationary detection for cognitive radio

D Cohen, YC Eldar - IEEE Transactions on Signal Processing, 2017 - ieeexplore.ieee.org
Cognitive radio requires efficient and reliable spectrum sensing of wideband signals. In
order to cope with the sampling rate bottleneck, new sampling methods have been …

Spectrum sensing based on cumulative power spectral density

A Nasser, A Mansour, KC Yao, H Abdallah… - EURASIP Journal on …, 2017 - Springer
This paper presents new spectrum sensing algorithms based on the cumulative power
spectral density (CPSD). The proposed detectors examine the CPSD of the received signal …

Blind spectrum detector for cognitive radio using compressed sensing and symmetry property of the second order cyclic autocorrelation

Z Khalaf, A Nafkha, J Palicot - 2012 7th International ICST …, 2012 - ieeexplore.ieee.org
Based on the use of compressed sensing applied to recover the sparse cyclic
autocorrelation (CA) in the cyclic frequencies domain on the one hand, and by exploiting the …

Improvement of energy efficiency of spectrum sensing algorithms for cognitive radio networks using compressive sensing technique

V Ramachandran, A Cheeran - 2014 International Conference …, 2014 - ieeexplore.ieee.org
Cognitive Radio (CR) is projected to be the next disruptive radio communications and
networking technology and has already attracted considerable interest from researchers …

Efficient blind spectrum sensing for cognitive radio networks based on compressed sensing

S Li, X Wang, X Zhou, J Wang - EURASIP Journal on Wireless …, 2012 - Springer
Spectrum sensing is a key technique in cognitive radio networks (CRNs), which enables
cognitive radio nodes to detect the unused spectrum holes for dynamic spectrum access. In …

[PDF][PDF] 基于观测矩阵优化的自适应压缩频谱感知

王韦刚, 杨震, 顾彬, 胡海峰 - 通信学报, 2014 - infocomm-journal.com
推导了自适应压缩感知中的重构估算误差, 研究了如何降低观测矩阵列向量之间的自相关性,
分析了观测矩阵优化对压缩感知重构算法的影响. 将观测矩阵优化与压缩感知自适应过程相结合 …

Blind cyclostationary feature detector based on sparsity hypotheses for cognitive radio equipment

Z Khalaf, A Nafkha, J Palicot - 2011 IEEE 54th International …, 2011 - ieeexplore.ieee.org
Cyclostationary Feature Detectors (CFD) have been studied in the past few years as an
efficient and feasible candidate for a Primary User (PU) detection method. CFD detector is …