Inter base station handover method and communication terminal

摘要

Disclosed is a mobile station with a first unit to use at least one of a first DRX configuration or a second DRX configuration having longer DRX cycle than a DRX cycle of the first DRX configuration. The first unit starts to use the second DRX configuration if the mobile station does not receive data within a predetermined period while the second unit uses the first DRX configuration. The method uses at least one of a first DRX configuration or a second DRX configuration having longer DRX cycle than a DRX cycle of the first DRX configuration, and starts to use the second DRX configuration if the mobile station does not receive data within a predetermined period while the second unit uses the first DRX configuration.