Radio base station and mobile station

摘要

A mobile station UE according to the present invention includes a controller unit 22. When “1” is set in “R” in the “Activation/Deactivation MAC Control Element”, the controller unit 22 activates only an uplink in a Scell corresponding to “Ci” set to “1”, and deactivates only the uplink in a Scell corresponding to “Ci” set to “0”.

主权项

1. A radio base station, comprising:
a transmitter unit configured to transmit a MAC control element to a mobile station, the MAC control element including a reserved bit of one bit and status bits each indicating whether a corresponding one of secondary cells is activated or deactivated; and a controller unit configured to set the status bits and the reserved bit in the MAC control element, wherein the controller unit is configured to set “0” in the reserved bit and “1” in the status bit corresponding to a target secondary cell when both an uplink and a downlink in the target secondary cell are desired to be activated, the controller unit is configured to set “0” in the reserved bit and “0” in the status bit corresponding to the target secondary cell when both the uplink and the downlink in the target secondary cell are desired to be deactivated, the controller unit is configured to set “1” in the reserved bit and “1” in the status bit corresponding to the target secondary cell when only the uplink in the target secondary cell is desired to be activated, and the controller unit is configured to set “1” in the reserved bit and “0” in the status bit corresponding to the target secondary cell when only the uplink in the target secondary cell is desired to be deactivated.