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WiMAX network performance monitoring & optimization

In this paper we present our WiMAX (worldwide interoperability for microwave access) network performance monitoring and optimization solution. As a new and small WiMAX network operator, there are many demanding issues that we have to deal with, such as limited available frequency resource, tight frequency reuse, capacity planning, proper network dimensioning, multi-class data services and so on. Furthermore, as a small operator we also want to reduce the demand for sophisticated technicians and man labour hours. To meet these critical demands, we design a generic integrated network performance monitoring and optimization solution which includes traffic monitor and analyzer, dynamic quality of service control tool, radio signal quality monitor, CPE mobility tracking, interference monitor & analyzer and optimization tool, report generator and alarm management tool. We develop and implement this integrated network performance monitoring and optimization system in our WiMAX networks. This integrated monitoring and optimization system has such good flexibility and scalability that individual function component can be used by other operators with special needs and more advanced function components can be developed in the future. The usage of system has proven that it can reduce both CAPEX (capital expense) and OPEX (operational expense), meanwhile it can improve end-to-end quality of service.