| 摘要 |
A controlling apparatus installed in a base station with a plurality of wireless devices, for controlling operations of the plurality of wireless devices. The controlling apparatus includes an interface device for transmitting and receiving data with at least one of the plurality of wireless devices according to timing provided by an internal clock, a measurement device for measuring the delay times corresponding to the transmission and the reception of the data between the interface device and the plurality of wireless devices, and a correction device for correcting a difference of the delay times corresponding to the plurality of wireless devices by changing the internal clock.
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