An apparatus comprising a controller for controlling radio communication using communication resources for user data communication, and control resources for controlling communication on the communication resources, an allocator for allocating mobile stations to use at least one of a dynamic allocation and a persistent allocation, each allocation defining a different utilization of the control resources and communication resources, a monitor for monitoring one or more reallocation conditions associated with at least one of the dynamic allocation and the persistent allocation, and a reallocator configured to reallocate at least one mobile station if one of the one or more reallocation conditions is fulfilled.