AEU - International Journal of Electronics and Communications · 2016 · 135 citations · 29 references
EngineeringComputer ScienceMathematicsOptimizationBeamformingChannel CapacityChannel EstimationDigital Signal ProcessingSparse Channel EstimationSparse Parameter EstimationSparse Signal ProcessingSparse Signal Representation
29
David L. Donoho · IEEE Transactions on Information Theory · 2006 · 23.1K citations
Non-negative Matrix Factorization with Sparseness Constraints
Patrik O. Hoyer · 2004 · 2.6K citations