ORCID "0000-0003-3375-0310" Makale Koleksiyonu için listeleme
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Efficient spectrum occupancy prediction exploiting multidimensional correlations through composite 2D-LSTM models
Aygül, Mehmet Ali; Nazzal, Mahmoud; Sağlam, Mehmet İzzet; da Costa, Daniel Benevides; Ateş, Hasan Fehmi; Arslan, Hüseyin (MDPI, 2021)In cognitive radio systems, identifying spectrum opportunities is fundamental to efficiently use the spectrum. Spectrum occupancy prediction is a convenient way of revealing opportunities based on previous occupancies. ... -
Primary user emulation and jamming attack detection in cognitive radio via sparse coding
Furqan, Haji Muhammad; Aygül, Mehmet Ali; Nazzal, Mahmoud; Arslan, Hüseyin (Springer, 2020)Cognitive radio is an intelligent and adaptive radio that improves the utilization of the spectrum by its opportunistic sharing. However, it is inherently vulnerable to primary user emulation and jamming attacks that degrade ... -
Sparsifying dictionary learning for beamspace channel representation and estimation in millimeter-wave massive MIMO
Aygül, Mehmet Ali; Nazzal, Mahmoud; Arslan, Hüseyin (Institute of Electrical and Electronics Engineers Inc., 2023)Millimeter-wave (mmWave) massive multiple-input-multiple-output (mMIMO) is reported as a key enabler in fifth-generation communication and beyond. It is customary to use a lens antenna array to transform a mmWave mMIMO ... -
Using OMP and SD algorithms together in mm-Wave mMIMO channel estimation
Aygül, Mehmet Ali; Nazzal, Mahmoud; Arslan, Hüseyin (Springer London Ltd, 2022)Lens antenna array is considered as an effective beam selection mechanism in millimeter wave massive multiple input multiple output systems. Efficient channel estimation (CE) algorithms are required to use the advantage ...