Reporting for multi-user services in wireless networks

A method b adapting multi-user multimedia data in a communication network, with a server providing the multi-user multimedia data to a group of clients, comprising the steps of:

• providing information on distribution characteristics to an Intermediate network part between the server and the group of clients, wherein the intermediate network part is a functionality implemented in one or more nodes;
• sending a data stream, via the intermediate network part containing the multi-user multimedia data from the server to the group of clients;
• determining real time distribution characteristics, regarding the data stream, associated with the group of clients;
• generating a feedback report on the group of clients'reception conditions of the data stream, considering the distribution characteristics, said feedback report comprising a client group structure and an aggregation of the real time distribution characteristics of all clients in the group including Information about aggregation technique and manner of adaptation;
• Suppressing a portion of the feedback report in the network terminals;
• sending the feedback report to the server;
• and
• adapting transmission of the data stream from the server to the group of clients according to the feedback report.