1. An apparatus, comprising: a first scheduler, and a second scheduler comprising a scheduling service controller comprising protocol software, wherein the first scheduler and the second scheduler are operatively connected, the second scheduler is configured to perform a proactive scheduling decision on a basis of radio access system protocol requirements from at least two radio systems of a wireless communications terminal device, the proactive scheduling decision being carried out by solving a radio system interoperability conflict using the scheduling service controller, and the first scheduler is configured to perform a reactive scheduling decision on a basis of information on the proactive scheduling decision from the second scheduler and on a basis of information from a radio access system device representing a baseband computation and low level control.