1. A method, comprising:at least partially controlling, by a network node, transmissions in a plural of radio access technologies, RATs, each RAT being capable of providing at least one communication link to a same user equipment;
deciding to transmit a packet to the user equipment at least via a first RAT;
requesting a transmission of the packet additionally via at least one other RAT;
determining capability information corresponding to the requested transmission of the packet via the at least one other RAT;
determining transmission setup for the packet to be transmitted via the first RAT based on the capability information, wherein the transmission setup defines at least the number of transmissions to be performed for the packet by the first RAT; and
instructing the transmission of the packet via the first RAT according to the determined transmission setup.