METHOD AND DEVICES FOR FILTERING DATA PACKETS IN A TRANSMISSION

摘要

A method for associating a data packet (DP) with a packet bearer (PB) in a user equipment (UE1) of a communication network is proposed. The packet bearer (PB) transmits the data packet (DP) to a communication entity in the communication network. The communication network comprises at least one control entity (PCRF A) to exchange signaling information with the user equipment (UE1). The user equipment (UE1) comprises at least one executing unit (EU) for executing one or more applications (APP) which create the data packet (DP), a packet marking entity (PME) for marking at least one control field (CF) in the data packet and a transmission unit (TU) for sending the data packet (DP) on the packet bearer (PB). After setting up the packet bearer (PB) between the transmission unit (TU) and the communication entity, a first signaling (SIG1) of filter parameters for defining a packet filter (PF) is received by the user equipment (UE1 ). The filter parameters correspond to a packet marking. A second signaling (SIG2) of the packet marking from the control entity is received by the user equipment (UE1) and forwarded to the packet marking entity (PME). The data packet is marked with the signaled packet marking. The packet filter (PF) corresponding to the filter parameters is established for scanning data packets forwarded from the executing unit (EU) to the transmission unit (TU) and is associated with the packet bearer (PB). The data packet (DP) with the marking corresponding to the filter parameters is forwarded on the associated packet bearer (PB). A corresponding mobile network, control entity, user equipment and computer program are also described.