Research Article
A Novel User Classification Method for Femtocell Network by Using Affinity Propagation Algorithm and Artificial Neural Network
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Number of samples | ANN training performance | AP + ANN training performance | Performance comparison after AP | Indoor | Outdoor | Training time (sec.) | Number of epochs* | AP clustering time (sec.) | Total training time (sec.) | Number of epochs* | Training time decreases (%) | Number of epochs decreases (%) |
| 5 | 10 | 1.5165 | 21 | 0.2885 | 0.7647 | 13 | 49.57 | 38.09 | 6 | 11 | 1.5655 | 21 | 0.3633 | 0.8257 | 14 | 47.25 | 33.33 | 7 | 12 | 1.6221 | 22 | 0.3921 | 0.9071 | 14 | 44.07 | 36.36 | 8 | 13 | 1.6416 | 23 | 0.4172 | 0.934 | 15 | 43.10 | 34.78 | 9 | 14 | 1.6443 | 24 | 0.4226 | 0.9504 | 16 | 42.20 | 33.33 | 10 | 15 | 1.6504 | 26 | 0.4244 | 0.9611 | 16 | 41.76 | 38.46 | 11 | 16 | 1.6541 | 26 | 0.439 | 0.9803 | 17 | 40.73 | 34.61 | 12 | 17 | 1.6669 | 27 | 0.4461 | 0.9848 | 18 | 40.92 | 33.33 | 13 | 18 | 1.6709 | 27 | 0.4556 | 0.9951 | 19 | 40.44 | 29.62 | 14 | 19 | 1.6801 | 28 | 0.4671 | 0.9951 | 19 | 40.77 | 32.14 | 15 | 20 | 1.6819 | 28 | 0.4702 | 0.9964 | 19 | 40.75 | 32.14 | 16 | 21 | 1.688 | 29 | 0.4704 | 0.9982 | 19 | 40.86 | 34.48 | 17 | 22 | 1.7322 | 30 | 0.4997 | 1.0017 | 21 | 42.17 | 30 | 18 | 23 | 1.7767 | 31 | 0.5073 | 1.0397 | 22 | 41.48 | 29.03 | 19 | 24 | 1.7966 | 32 | 0.5234 | 1.0695 | 22 | 40.47 | 31.25 | 20 | 25 | 1.7996 | 34 | 0.5484 | 1.0511 | 22 | 41.59 | 35.29 |
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The fraction values of the epochs are expressed by the nearest integer values.
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