Author: Antti Lehti

Name of the thesis: Utilization of network management systems in transmission network planning

Date: 21.5.1997

Number of pages: 70

Faculty: ElectricaI and Communications Engineering

Professorship: S-72. Communications Engineering

The thesis focuses on the utilization of network management systems in telecommunications network planning, particularly in transmission network planning. The thesis represents TMN model of ITU, transmission network planning procedure and the network management family of Nokia. Four separate areas of utilization of network management are represented: quality survey of transmission network, monitoring transmission network capacity loading, monitoring the use of services and transmission network configuration by a centralized network management system.

Transmission quality measurements aid to localize the problematic areas in the transmission network ITU has defined the recommendations for transmission quality in different parts of network. Protection of transmission network is essential when planning networks producing high quality telecommunications services. A network planner can concentrate on the quality bottlenecks by the information gained from network management.

Monitoring capacity loading helps network development and expansion. Capacity increment can be targeted to the right areas in the right time. Alternatively the traffic can be re-routed in order to even out the capacity loading in the network.

Monitoring the use of services is associated with dimensioning access and switch resources. The resources should be dimensioned according to the service demand forecast. New services can be introduced among certain subscribers first. Experience of the use of services helps bringing services to the whole network.

Network management makes it possible to configure transmission network centrally. This quickens the planning procedure and makes operator's routines more effective.