Sub-Nyquist wideband spectrum sensing techniques for cognitive radio: A review and proposed techniques

GP Aswathy, K Gopakumar - AEU-International Journal of Electronics and …, 2019 - Elsevier
Spectrum scarcity and under-utilization of the apportioned spectral resources by the
licensed users have led to the introduction of a new communication paradigm called …

Fast compressed power spectrum estimation: Toward a practical solution for wideband spectrum sensing

L Yang, J Fang, H Duan, H Li - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
There has been a growing interest in wideband spectrum sensing due to its applications in
cognitive radios and electronic surveillance. To overcome the sampling rate bottleneck for …

Online compressive covariance sensing

C Park, B Lee - Signal Processing, 2019 - Elsevier
Several sampling strategies, which compress an analog signal and recover it, are attracting
attention. Representatively, compressive sensing (CS) can restore a sparse signal from its …

Sub-Nyquist sampling-based wideband spectrum sensing: a compressed power spectrum estimation approach

J Wang, Y Huang, B Wang - Frontiers of Computer Science, 2024 - Springer
In this paper, we introduce a sub-Nyquist sampling-based receiver architecture and method
for wideband spectrum sensing. Instead of recovering the original wideband analog signal …