Distributed Spectrum Sensing for Cognitive Radio Networks by Exploiting Sparsity
J.A. Bazerque, G.B. Giannakis
2010
IEEE Transactions on Signal Processing
A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) map in space and frequency. ...
Index Terms-Cognitive radios, compressive sampling, cooperative systems, distributed estimation, parallel network processing, sensing, sparse models, spectral analysis. ...
Upon constructing a basis expansion model of the PSD map , in spatial location and frequency , the novel cooperative scheme amounts to estimating the basis expansion coefficients of based on PSD frequency ...
doi:10.1109/tsp.2009.2038417
fatcat:4hy2vxislvfs3fpccs6jwzv5ri