Methods and devices are provided, where the device includes a plurality of wireless communication units. The wireless communication device also includes a first interface unit configured to synchronize a data signal received from one of the plurality of wireless communication units with a first clock corresponding to the one of the plurality of wireless communication units, and configured to output the synchronized data signal to a second interface unit. The second interface unit is configured to receive the synchronized data signal using a second clock having a shorter period than the first clock, count a number of periods of the second clock during at least one period of the first clock, and determine an output port for the synchronized data signal based on a result of the counting. The wireless communication device further includes a plurality of processors for processing data signals.