1. A radio access network system comprising one or more radio access network elements communicatively linked to form at least a portion of a radio access network, the one or more radio access network elements each comprising one or more processors, the system further comprising: a plurality of radio transmission function components, each radio transmission component executable on at least one of the radio access network elements to provide a radio transmission function for a radio access technology, the radio transmission function linking user equipment operating on the radio access technology to the radio access network, the user equipment comprising one or more processors; and a unified non-radio transmission function component linked to the plurality of radio transmission function components, the unified non-radio transmission function component executable on at least one of the radio access network elements to provide non-radio transmission functions jointly for all employed radio access technologies in the radio access network, wherein the unified non-radio transmission function component is configured to integrate unified non-radio transmission functions corresponding to a newly introduced radio access technology for the radio access network.