Patent ID: 9722929
Date: 2017-08-01
CPC Classifications: H04L

Claim:
1. A method in a first core network (CN) node for handling quality of service (QoS) targets for traffic flows between a radio access network (RAN) node and a radio terminal served by the RAN node, the method comprising: defining a plurality of traffic classes into which the traffic flows can be classified, said plurality of traffic classes comprising a first traffic class and a second traffic class; defining QoS targets for each of the plurality of traffic classes for at least two congestion levels, wherein defining QoS targets for each of the plurality of traffic classes for at least two congestion levels comprises: defining a third QoS target for the second traffic class and the first congestion level and defining a fourth QoS target for the second traffic class and the second congestion level; and providing the traffic classes with the associated QoS targets and congestion levels to the RAN node so as to provide congestion level dependent QoS targets for the traffic classes to the RAN node, wherein the step of providing comprises transmitting to the RAN node i) information identifying the first plurality of QoS targets for the first traffic class and ii) information identifying the second plurality of QoS targets for the second traffic class.