A method of operating a wireless communication system comprising one or more base stations each configured to provide a corresponding coverage in use, a particular one of the base stations providing coverage to one or more in-coverage terminals, there being one or more out-of-coverage terminals outside the coverage provided by the particular base station, the method comprising: determining whether a condition related to direct device-to-device wireless communication between the in-coverage terminals and the out-of-coverage terminals is satisfied; and if the condition is satisfied, changing at least one of the coverage of the particular base station and the coverage of another one of the base stations, so as to provide coverage to one or more of the out-of-coverage terminals.