Control channel power control in a wireless network using primary and secondary power control indexes

A base station comprising:

• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause the base station to:
• transmit, to a wireless device, at least one message comprising:
• configuration parameters of a plurality of cells comprising:
• a primary cell with a primary physical uplink control channel (PUCCH);
• and
• a PUCCH secondary cell with a secondary PUCCH;
• a transmit power control (TPC) radio network temporary identifier (RNTI);
• a primary TPC index for the primary PUCCH;
• and
• a secondary TPC index for the secondary PUCCH;
• transmit, via a common search space of the primary cell, a downlink control information (DCI) associated with the TPC RNTI, wherein:
• the DCI comprises an array of TPC commands;
• and
• the secondary TPC index identifies a TPC command in the array;
• and
• receive, from the wireless device and via the secondary PUCCH, an uplink signal with an uplink signal transmission power determined based on the TPC command.

A base station comprising:

• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause the base station to:
• transmit, to a wireless device, at least one message comprising:
• configuration parameters of a plurality of cells, the plurality of cells grouped into a plurality of physical uplink control channel (PUCCH) groups comprising:
• a primary PUCCH group comprising a primary cell with a primary PUCCH transmitted to the base station;
• and
• a secondary PUCCH group comprising a PUCCH secondary cell with a secondary PUCCH transmitted to the base station;
• a transmit power control (TPC) radio network temporary identifier (RNTI);
• a primary TPC index for the primary PUCCH, the primary TPC index indicates a first downlink control information (DCI) format;
• and
• a secondary TPC index for the secondary PUCCH, the secondary TPC index indicates the first DCI format and having a different index value from the primary TPC index;
• transmit, via a common search space of the primary cell, a DCI associated with the TPC RNTI, wherein:
• the DCI is of the first DCI format and comprises an array of TPC commands comprising a first TPC command and a second TPC command;
• and
• the secondary TPC index identifies the second TPC command in the array;
• and
• receive, from the wireless device and via the secondary PUCCH, an uplink signal with an uplink signal transmission power determined based on the second TPC command.