Inter-alia, a method is disclosed comprising: obtaining measurement configuration information indicative of a measurement configuration for a measurement on at least one target secondary cell of a mobile communication network, executing a handover to a target cell, and, before and/or during executing the handover, starting a measurement on at least one target secondary cell based, at least in part, on the measurement configuration information. Further, a method is disclosed comprising: receiving, from a target node, target secondary cell information indicative of at least one target secondary cell, upon reception of the target secondary cell information, transmitting a measurement configuration information indicative of a measurement configuration for a measurement on at least one target secondary cell based, at least in part, on the target secondary cell information. It is further disclosed an according apparatus, a computer program and a system.