Providing a feedback with the use of general nack - report - block and loss - rle - report block

摘要

The invention relates to a method for providing RTCP feedback messages for data packets of at least one streaming session from a client to a streaming server, wherein the at least one streaming session is provided using a RTP protocol and the RTCP protocol. Further, a RTCP bandwidth, being a fraction of the available streaming session bandwidth, is allocated to the RTCP feedback messages. Moreover the invention further relates to a client in a mobile communication system performing the method. The invention specifies methods for optimizing RTCP feedback in a unicast sessions, in order to guarantee a maximum number of retransmissions with the available client buffering time and to allow for a desired level of redundant reporting on lost packets if possible.