| 摘要 |
PROBLEM TO BE SOLVED: To provide a base station capable of improving accuracy in estimation and correction of a frequency offset by preventing feedback of an inaccurate frequency offset due to erroneous determination.SOLUTION: A configuration of a base station 110 according to the invention comprises: a search processing unit 114a that selects a peripheral base station from which the reception intensity of a control signal is the highest as a synchronization destination base station; and a synchronization processing unit 114b that repeats reception of the control signal from the synchronization destination base station and synchronizes frame timing with the synchronization destination base station. The search processing unit stores frequency offsets estimated for a plurality of peripheral base stations, demodulates control signals from the plurality of peripheral base stations by use of the stored past frequency offsets, and individually estimates current frequency offsets. The synchronization processing unit demodulates the control signal received from the synchronization destination base station by using the frequency offset estimated for the synchronization destination base station by the search processing unit. |
