Uplink power control for a secondary cell in carrier aggregation
Abstract:
A wireless device transmits first uplink control information (UCI) on a physical uplink control channel (PUCCH) secondary cell employing an adjustment factor. The adjustment factor is updated when the wireless device receives a transmit power control command for the secondary PUCCH. The wireless device receives a first media access control (MAC) command indicating deactivation of the PUCCH secondary cell. The wireless device stops transmission of uplink signals on the PUCCH secondary cell. The wireless device receives a second MAC command indicating activation of the PUCCH secondary cell. The wireless device transmits a second UCI on the secondary PUCCH.
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