A method may include receiving, at a wireless station, device capability information associated with a number of user equipment (UE) devices and determining, by the wireless station, uplink and downlink configurations for a number of carriers associated with the wireless station. The method may also include configuring uplink and downlink time slots for each of the carriers based on the determined uplink and downlink configurations and modifying the uplink and downlink configurations for at least some of the carriers over time based on data usage or congestion associated with the at least some of the plurality of carriers.