The present invention relates to a method for operating a user equipment in a cellular network comprising more than one radio access networks, the user equipment camping on a base station of a first of the more than one radio access networks, hereinafter the serving base station, the first radio access network providing a plurality of frequency ranges, the user equipment maintaining a physical receiver sensitivity value for at least one frequency range, comprising the steps for the user equipment of: -determining a supported receiver sensitivity level relating to the user equipment's physical receiver sensitivity value for the at least one frequency range populated by the serving base station, -signaling to the base station the supported receiver sensitivity level, -reporting to the base station a measured reception level, relating to measured reception of downlink signals from the serving base station, in case of determination by the base station that the measured reception level is lower than a handover threshold value considering the signaled supported receiver sensitivity level: -receiving a handover instruction from the base station.