| 摘要 |
A mobile communication system includes a plurality of base stations, an upper node, and a mobile station. In this mobile communication system, while a first base station that is currently connected via radio to the mobile station is receiving a first downlink signal from a second base station that was previously connected via radio to the mobile station and that received the first downlink signal from the upper node for transmission to the mobile station, when the mobile station is connected via radio to a third base station as a result of a handover, the first base station sends a redirection request signal requesting the second base station to redirect the first downlink signal to the third base station. Then, in response to the redirection request signal, the second base station redirects the first downlink signal to the third base station.
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