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Balancing downlink and uplink soft-handover areas in UMTS networks

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3 Author(s)
Benedicic, L. ; Telekom Slovenije, d.d., Ljubljana, Slovenia ; Stular, M. ; Korosec, P.

In this paper a static network simulator is used to find downlink and uplink SHO areas. By introducing a penalty-based objective function and some hard constraints, we formally define the problem of balancing SHO areas in UMTS networks. The state-of-the-art mathematical model used and the penalty scores of the objective function are set according to the configuration and layout of a real mobile network, deployed in Slovenia by Telekom Slovenije, d.d.. The balancing problem is then tackled by three optimization algorithms, each of them belonging to a different category of metaheuristics. We report and analyze the optimization results, as well as the performance of each of the optimization algorithms used.

Published in:

Evolutionary Computation (CEC), 2012 IEEE Congress on

Date of Conference:

10-15 June 2012