scope:

The present document defines QoS parameters and their computation for popular services in GSM and 3G networks.

The technical QoS indicators, listed in TS 102 250-1 [4], are the basis for the parameter set chosen. The parameter definition is split into three parts:

• the abstract definition which contains a generic description of the parameter;

• the abstract equation; and

• the respective trigger points.

Only measurement methods not dependent on any infrastructure provided are described in the present document.

NOTE: Computation of certain parameters may vary depending on the respective cellular system, i.e. GSM or 3GPP specified 3G system. In this case respective notification is provided.

The harmonized definitions given in the present document are considered as the prerequisites for comparison of QoS measurements and measurement results.

Other standardization bodies, namely the CBMS group in the DVB Forum and the BCAST group in OMA, requested an approved document for QoS parameters in Mobile Broadcast to be used as a reference in their documents. Therefore, the parameters described below should be approved even if technical trigger points still can not be defined in most of the cases. This is due to missing stable specifications in the mentioned bodies. If these specifications are available, the information will be added to enhance the parameter definitions given in the present document.