Browsing Faculty of Engineering by Author "Ferreira, Melvin"
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A comparison of clustering algorithms for automatic modulation classification
Mouton, Jacques P.; Ferreira, Melvin; Helberg, Albertus S.J. (Elsevier, 2020)In this paper, the k-means, k-medoids, fuzzy c-means, Density-Based Spatial Clustering of Applications with Noise (DBSCAN), Ordering Points To Identify the Clustering Structure (OPTICS), and hierarchical clustering algorithms ... -
White space and digital dividends: the case for dynamic spectrum access in South Africa
Ferreira, Melvin; Helberg, Albert (IEEE, 2011)In this paper we present the current state of affairs surrounding the analog switch-off and corresponding digital dividend as pertaining to South Africa. Analog switch-off and digital dividends has enjoyed much attention ...