Rohde & Schwarz Bick Mobilfunk

TETRA mobile digital communication networks consist of base-stations, switches, gateway applications and a network management system.
On a diversity of software- and hardware-components, a large number of parameters need to be configured. A significant number of parameters depends on parameters of other components, such as those related to IP-networks. Other parameters can be derived from the network topology.
With the help of the oAW team, a meta-model has been defined, which describes the collaboration of all components during the provisioning phase for the network. The meta-model is enriched with parameters and their default-values of the respective network-component, specified by its developer.
Using this input, oAW generates: A domain specific language that describes TETRA network configuration and a graphical editor (GEF).
Modules that export the model of the network into configuration files for the components and generate reports of the network configuration.
In this project, oAW allowed the software developers to focus on the development of a model that reflects all essential parts of the network configuration, especially the rules that apply when parameter values have to be calculated based on other parameter values (a kind of model to model transformation)
This resulted in an application that can be used to quickly generate the configuration of the network components and also can be applied as a planning tool in order to confirm the feasibility of a network concept.
Using this new configurator, the provisioning time of TETRA networks could be reduced significantly.

