| 摘要 |
Appropriate transmissions of "entering/leaving proximity indication" can be implemented, while the radio resources are being prevented from being wasted. If a predetermined time period has not elapsed since a mobile station (UE) of the present invention sent an "entering proximity indication" or "leaving proximity indication", the mobile station, even if having detected an entrance into a given area (#1), sends no "entering proximity indication", and further the mobile station, even if having detected an exit from the given area (#1), sends no "leaving proximity indication".
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