An apparatus in a base station and comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured, with the at least one processor, to cause the apparatus at least to: cause scheduling information to be transmitted to a plurality of communication devices and control information to be transmitted to at least one communication device of the plurality of communication devices, said control information controlling in the respective communication device at least one of triggering an inter communication device interference reduction mechanism and parameters of the inter communication device interference reduction mechanism.