Method of operating a base station of wireless communications network, base station of a wireless communications network and radio network controller

Base station of a wireless communications network, wherein data is transmitted between said base station and a radio network controller, wherein by configured to automatically issue a first capacity allocation message to the radio network controller, said first capacity allocation message comprising information on a basic data transfer capacity currently supported by the base station.

Radio network controller of a wireless communications network, wherein data is transmitted between said radio network controller and a base station, wherein said radio network controller is configured to receive a first capacity allocation message by said base station prior to issuing a capacity request message to said base station.