There is disclosed a network node for a Radio Access Network, the network node (100) being adapted for communication utilising a carrier aggregation comprising at least a first carrier and a second carrier. The network node is adapted for transmitting first downlink control information on the first carrier of the carrier aggregation, and second downlink control information on the second carrier of the carrier aggregation, wherein the first downlink control information and the second downlink control information pertain to transmission on the same uplink carrier. The disclosure also pertains to related devices and methods.