Primary PUCCH TPC index and a secondary PUCCH TPC index in a wireless network
A wire device receives: configuration parameters of: a primary cell with a primary physical uplink control channel (PUCCH); and a secondary cell with a secondary PUCCH; a transmit power control (TPC) radio network temporary identifier (RNTI); a primary TPC index of the primary PUCCH; and a secondary TPC index of the secondary PUCCH. The wireless device receives a downlink control information (DCI) associated with the TPC RNTI. The secondary TPC index identifies a TPC command in an array of TPC commands in the DCI. The wireless device adjusts a transmission power of the secondary PUCCH based on the TPC command.
1. 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 an activation control element indicating activation of the PUCCH secondary cell;
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 determines a TPC command in the array; and
receive, from the wireless device and via the secondary PUCCH, an uplink signal.
2. The base station of claim 1 , wherein the plurality of cells are grouped into a plurality of PUCCH groups comprising:
a primary PUCCH group comprising the primary cell; and
a secondary PUCCH group comprising the PUCCH secondary cell.
3. The base station of claim 2 , wherein:
the primary TPC index indicates a first DCI format;
the secondary TPC index indicates the first DCI format;
the secondary TPC index has a TPC index value different from that of the primary TPC index; and
the DCI is of the first DCI format.
4. The base station of claim 3 , wherein:
the array of TPC commands comprises the TPC command and a first TPC command; and
the primary TPC index identifies the first TPC command in the array.
5. The base station of claim 1 , wherein the primary TPC index determines a first TPC command in the array.
6. The base station of claim 5 , wherein the instructions, when executed by the one or more processors, further cause the base station to receive, from the wireless device and via the primary PUCCH, a second uplink signal.
7. The wireless device of claim 1 , wherein:
the TPC command is encoded by two bits when a first DCI format is employed; and
the TPC command is encoded by one bit when a second DCI format is employed.
8. 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.
9. The base station of claim 8 , wherein the plurality of cells are grouped into a plurality of PUCCH groups comprising:
a primary PUCCH group comprising the primary cell; and
a secondary PUCCH group comprising the PUCCH secondary cell.
10. The base station of claim 9 , wherein:
the primary TPC index indicates a first DCI format;
the secondary TPC index indicates the first DCI format;
the secondary TPC index has a TPC index value different from that of the primary TPC index; and
the DCI is of the first DCI format.
11. The base station of claim 10 , wherein:
the array of TPC commands comprises the TPC command and a first TPC command; and
the primary TPC index identifies the first TPC command in the array.
12. The base station of claim 8 , wherein a first format of a TPC index indicates that one of the following is used as a TPC index value:
a number between 1 to 15; and
a number between 1 to 31.
13. The base station of claim 8 , wherein the primary TPC index identifies a first TPC command in the array.
14. The base station of claim 13 , wherein the instructions, when executed by the one or more processors, further cause the base station to receive, from the wireless device and via the primary PUCCH, a second uplink signal.
15. The base station of claim 8 , wherein the DCI is scrambled employing the TPC RNTI.
16. The base station of claim 8 , wherein:
the TPC command is encoded by two bits when a first DCI format is employed; and
the TPC command is encoded by one bit when a second DCI format is employed.
17. The method of claim 8 , wherein the DCI is encoded employing a cyclic redundancy check.
18. 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.
19. The base station of claim 18 , wherein the first DCI format indicates that one of the following is employed as a TPC index value:
a number between 1 to 15; and
a number between 1 to 31.
20. The base station of claim 18 , wherein the primary TPC index identifies the first TPC command in the array.
21. The base station of claim 20 , wherein the instructions, when executed by the one or more processors, further cause the base station to receive, from the wireless device and via the primary PUCCH, a second uplink signal.
22. The base station of claim 18 , wherein the DCI is scrambled employing the TPC RNTI.
23. The base station of claim 18 , wherein:
the second TPC command is encoded by two bits when the first DCI format is employed; and
the second TPC command is encoded by one bit when a second DCI format is employed.
24. The base station of claim 18 , wherein the DCI is encoded employing a cyclic redundancy check.