Analysis of soft handover measurements in 3G network
Proceedings of the 9th ACM international symposium on Modeling analysis and simulation of wireless and mobile systems
Using clustering technique M-PAM in mobile network planning
ICCOMP'08 Proceedings of the 12th WSEAS international conference on Computers
Self-organizing operator maps in complex system analysis
ICANN/ICONIP'03 Proceedings of the 2003 joint international conference on Artificial neural networks and neural information processing
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The Self-Organizing Map (SOM) is an efficient tool for visualization and clustering of multidimensional data. It transforms the input vectors on two-dimensional grid of prototype vectors and orders them. The ordered prototype vectors are easier to visualize and explore than the original data. Mobile networks produce a huge amount of spatio-temporaldata. The data consists of parameters of base stations (BS)and quality information of calls. There are two alternatives in starting the data analysis. We can build either a general one-cell-model trained using state vectors from all cells, or a model of the network using state vectors with parameters from all mobile cells. In both methods,further analysis is needed to understand the reasons for various operational states of the entire network.