| 摘要 |
A wireless base station capable of keeping an internal clock highly accurate even in a case where a malfunction occurs in an external time information notification server such as an NTP server. A wireless base station that performs wireless communication with a mobile terminal is connected to a plurality of time information notification servers. The wireless base station selects any of a plurality of pieces of time information notified from a plurality of time information notification servers, respectively, and corrects an internal clock based on the selected piece of time information. This can keep the internal clock of the wireless base station highly accurate.
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