Research Article

A Novel User Classification Method for Femtocell Network by Using Affinity Propagation Algorithm and Artificial Neural Network

Figure 11

(a) Position of the sample indoor and outdoor users. (b) AP clustering of indoor and outdoor users based on signal strength. (c) K-means clustering with 9 clusters. (d) Fuzzy c-means clustering with 9 clusters.
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(a)
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(b)
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(c)
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(d)