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US 9,179,489 B2Granted
Inter base station handover method, radio communication system, DRX control method, base station, and communication terminal
AssigneeNEC Corporation
InventorsHisashi Futaki, Jinsock Lee
Life of this patent
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Abstract
The present invention provides a DRX control method and system in which power consumption of a mobile station can be reduced and an increase in the load of a network can be suppressed. A source base station forwards Dormancy Context, which is information for controlling the activity level of a mobile station that performs inter base station handover, to a target base station and, immediately after the mobile station completes handover, the target base station performs DRX control of the mobile station using the Dormancy Context.
Claims4
A mobile station, comprising:
- a receiver configured to receive signals;
- and
- a controller configured to use at least one of a first Discontinuous Reception (DRX) configuration or a second DRX configuration having longer DRX cycle than a DRX cycle of the first DRX configuration,
- wherein the controller is further configured to start to use the second DRX configuration if the mobile station does not receive data within a predetermined period while using the first DRX configuration.
1 more element
A method of a mobile station, the method comprising:
- receiving data;
- using at least one of a first Discontinuous Reception (DRX) configuration or a second DRX configuration having longer DRX cycle than a DRX cycle of the first DRX configuration,
- starting to use the second DRX configuration if the mobile station does not receive data within a predetermined period while using the first DRX configuration.
Dependencies are inferred from the claim text.