TRANSMITTING RADIO NODE AND METHOD THEREIN FOR SCHEDULING SERVICE DATA FLOWS

摘要

According to embodiments herein a method in a transmitting radio node (12) for scheduling service data flows within a radio bearer towards a receiving radio node (10) in a radio communications network (1 ) is provided. The transmitting radio node (12) maps data packets of at least two service data flows within the radio bearer to a respective pre-scheduling queue at a PDCP layert wherein each pre- scheduling queue is associated with a service or a service quality requirement of the respective service data flow. The transmitting radio node (12) further pre- schedules the data packets of the respective pre-scheduling queue down to a scheduling queue at a RLC or a MAC layer. The transmitting radio node 12 further schedules the data packets in the scheduling queue towards the receiving radio node 10. The transmitting radio node (12) takes a prebuffer time of a data packet queued in the pre-scheduling queue into account when pre-scheduling and/or scheduling the data packets.