Methods, apparatuses and computer programs for a transportation vehicle and for a base station of a mobile communication system. The method for a transportation vehicle includes transmitting a request to a base station of a mobile communication system, wherein the request relates to a service having a Quality of Service (QoS) requirement; receiving a response to the request message from the base station, wherein the response includes information related to available QoS options suitable for the service; and transmitting an updated version of the request, wherein the updated version is based on the information related to available QoS options.