A radio resource controller, RRC, for use in a radio cell, in particular a base station (110, 120), for preserving communication in an Out-of-Coverage, OOC, area, the RRC comprising: a processor, configured to: determine an egress traffic of mobile communication devices, in particular vehicles (101, 102, 103, 104, 105, 106, 107), from an area (111, 121) covered by the radio cell (110, 120) to an OOC area not covered by the radio cell (110, 120), determine an ingress traffic of mobile communication devices, in particular vehicles (101, 102, 103, 104, 105, 106, 107), from the OOC area to the area covered by the radio cell (110, 120), determine a demand of radio resources for services running on the mobile communication devices entering the OOC area, control admission to the services running on the mobile communication devices entering the OOC area, and schedule radio resources for the admitted services based on an admission and scheduling metric with respect to the egress traffic, the ingress traffic and the demand of radio resources, characterized in that: the services comprise pre-scheduled services and Ad-hoc services; and wherein the processor is configured to reserve a portion of the schedulable radio resources for the Ad hoc services. a processor, configured to: determine an egress traffic of mobile communication devices, in particular vehicles (101, 102, 103, 104, 105, 106, 107), from an area (111, 121) covered by the radio cell (110, 120) to an OOC area not covered by the radio cell (110, 120), determine an ingress traffic of mobile communication devices, in particular vehicles (101, 102, 103, 104, 105, 106, 107), from the OOC area to the area covered by the radio cell (110, 120), determine a demand of radio resources for services running on the mobile communication devices entering the OOC area, control admission to the services running on the mobile communication devices entering the OOC area, and schedule radio resources for the admitted services based on an admission and scheduling metric with respect to the egress traffic, the ingress traffic and the demand of radio resources, determine an egress traffic of mobile communication devices, in particular vehicles (101, 102, 103, 104, 105, 106, 107), from an area (111, 121) covered by the radio cell (110, 120) to an OOC area not covered by the radio cell (110, 120), determine an ingress traffic of mobile communication devices, in particular vehicles (101, 102, 103, 104, 105, 106, 107), from the OOC area to the area covered by the radio cell (110, 120), determine a demand of radio resources for services running on the mobile communication devices entering the OOC area, control admission to the services running on the mobile communication devices entering the OOC area, and schedule radio resources for the admitted services based on an admission and scheduling metric with respect to the egress traffic, the ingress traffic and the demand of radio resources, characterized in that: the services comprise pre-scheduled services and Ad-hoc services; and wherein the processor is configured to reserve a portion of the schedulable radio resources for the Ad hoc services. the services comprise pre-scheduled services and Ad-hoc services; and wherein the processor is configured to reserve a portion of the schedulable radio resources for the Ad hoc services.