decision on handover and provide control for performing handover if that is the outcome of the decision the processing means 202 and computer program product 200 can be arranged to execute the program code sequentially where actions are performed stepwise but mostly be arranged to execute the program code on a real time basis where actions are performed upon need and availability of data the processing means 202 is preferably what normally is referred to as an embedded system thus the depicted computer readable medium 200 and processing means 202 in fig2 should be construed to be for illustrative purposes only to provide understanding of the principle and not to be construed as any direct illustration of the elements fig3 is a block diagram schematically illustrating an apparatus 300 according to an embodiment of the present invention the apparatus 300 comprises a receiver 302 which is arranged to receive signals through an antenna 303 the signals comprises besides other signals such as signals of transmitted data reference signals e g pilot symbols from these reference signals which are provided to a signal power estimator 304 the signal power estimator 304 determines signal power of the reference signals from a serving cell as well as from detected neighboring cells the determined signal powers are provided to a c i calculator 306 which determines c i as a ratio between the signal power of the serving cell 39 s reference signals and the signal power of the detected neighboring cells 39 reference signals as described with reference to fig1 c i can optionally also be determined for any of the detected neighboring cells in a similar way by.