Radio base station apparatus and transmission power control method in radio base station apparatus
AssigneeNEC Corporation
InventorArata Inaba
Life of this patent
Estimating the term…
Abstract
To secure proper reception quality for the control signal of an EUDCH during a handover. A transmission power control unit 23 controls transmission power of a downlink control signal of an EUDCH based on at least one of the following information: the CQI in an HS-DPCCH transmitted from a mobile station 30 regarding HSDPA to the mobile station 30, information on the reflection timing of a control pointer of the EUDCH from the mobile station 30, and information on transmission power of the HS-DSCH regarding HSDPA to the mobile station 30. A transmission unit 12 transmits the downlink control signal of the EUDCH to the mobile station 30 with a controlled transmission power.
Claims15
A radio base station apparatus comprising:
- a transmission power control unit that sets a transmission power of a downlink control signal of an uplink dedicated channel based on at least one of the following information:
- channel quality indicator information transmitted by a mobile station regarding downlink packet access to said mobile station, information on the reflection timing of a control pointer of an uplink dedicated channel from said mobile station, and transmission power information of a downlink shared channel regarding downlink packet access to said mobile station;
- and
- a transmission unit that transmits said downlink control signal to said mobile station with the power set by said transmission power control unit.
A transmission power control method at a radio base station apparatus comprising:
- providing a radio base station apparatus;
- and
- controlling transmission power to a mobile station or stations by the radio base station appratus, wherein
- a transmission power of a downlink control signal of an uplink dedicated channel is controlled based on at least one of the following information:
- channel quality indicator information transmitted by said mobile station regarding downlink packet access to said mobile station, information on the reflection timing of the control pointer of an uplink dedicated channel from said mobile station, and transmission power information of a downlink shared channel regarding downlink packet access to said mobile station.
Dependencies are inferred from the claim text.