An electronic device and a method in a mobile base station, the electronic device includes a processor, the processor is configured to: on the basis of one feature location in a predetermined feature location set, indicate a user equipment served by the mobile base station to measure a downlink channel quality of a detectable base station with respect to the one feature location; determine a cooperative base station of the mobile base station with respect to the one feature location on the basis of measurement result reported by the user equipment; and record the one feature location in association with the cooperative base station into a database.