Transmission and reception point configuration for beam failure recovery
Wireless communications may comprise communications between a base station and a wireless device. A wireless device may perform beam failure recovery (BFR). Based on an indication of completion of the BFR, the wireless device may determine resources for transmission of uplink signals.
1. A method comprising:
receiving, by a wireless device, downlink control information (DCI) indicative of completing beam failure recovery (BFR) associated with a first control resource set (CORESET) group index of a cell; and
receiving, using a candidate reference signal associated with the BFR, second DCI via a CORESET associated with the first CORESET group index.
2. The method of claim 1 , further comprising:
determining one or more physical uplink control channel (PUCCH) resources, of the cell, associated with the first CORESET group index; and
transmitting an uplink signal using the one or more PUCCH resources and using a transmission power based on the candidate reference signal.
3. The method of claim 1 , further comprising:
transmitting, using a spatial domain transmission filter, a preamble for the BFR; and
transmitting, using the spatial domain transmission filter, uplink control information (UCI).
4. The method of claim 1 , further comprising:
determining a PUCCH resource, of the cell, associated with a third CORESET group index, wherein the third CORESET group index is different from the first CORESET group index; and
transmitting, via the PUCCH resource, an uplink signal using a transmission power determined based on:
a configured reference signal of the PUCCH resource; or
an activated reference signal of the PUCCH resource.
5. The method of claim 1 , further comprising:
activating one or more spatial relations for one or more PUCCH resources, associated with the CORESET, based on at least one of:
receiving one or more activation commands for the one or more spatial relations;
receiving one or more configuration parameters indicating the one or more spatial relations; and
transmitting one or more uplink signals via the one or more PUCCH resources and using a spatial domain transmission filter associated with at least one of the one or more spatial relations.
6. The method of claim 1 , further comprising transmitting an uplink signal, wherein the transmitting the uplink signal is based on the second DCI and comprises using a transmission power that is based on at least one of:
a pathloss measurement of the candidate reference signal;
resetting an accumulation of a power control adjustment state to a value; or
setting a power control parameter index to zero.
7. The method of claim 1 , wherein the cell comprises at least one of:
a primary cell; or
a secondary cell.
8. The method of claim 1 , further comprising:
determining a second CORESET group index, of a second CORESET, that is different from the first CORESET group index; and
based on a reference signal activated for the second CORESET, receiving third DCI via the second CORESET.
9. The method of claim 8 , further comprising:
receiving an activation command activating a transmission configuration indicator (TCI) state for the second CORESET, wherein the TCI state indicates the reference signal.
10. The method of claim 1 , further comprising:
determining, by the wireless device, the candidate reference signal for the BFR associated with the first CORESET group index of the cell.
11. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by one or more processors, cause the wireless device to:
receive downlink control information (DCI) indicative of completing beam failure recovery (BFR) associated with a first control resource set (CORESET) group index of a cell; and
receive, using a candidate reference signal associated with the BFR, second DCI via a CORESET associated with the first CORESET group index.
12. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
determine one or more physical uplink control channel (PUCCH) resources, of the cell, associated with the first CORESET group index; and
transmit an uplink signal using the one or more PUCCH resources and using a transmission power based on the candidate reference signal.
13. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
transmit, using a spatial domain transmission filter, a preamble for the BFR; and
transmit, using the spatial domain transmission filter, uplink control information (UCI).
14. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
determine a PUCCH resource, of the cell, associated with a third CORESET group index, wherein the third CORESET group index is different from the first CORESET group index; and
transmit, via the PUCCH resource, an uplink signal using a transmission power determined based on:
a configured reference signal of the PUCCH resource; or
an activated reference signal of the PUCCH resource.
15. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
activate one or more spatial relations for one or more PUCCH resources, associated with the CORESET, based on at least one of:
receiving one or more activation commands for the one or more spatial relations;
receiving one or more configuration parameters indicating the one or more spatial relations; and
transmit one or more uplink signals via the one or more PUCCH resources and using a spatial domain transmission filter associated with at least one of the one or more spatial relations.
16. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to transmit, based on the second DCI, an uplink signal by causing using a transmission power that is based on at least one of:
a pathloss measurement of the candidate reference signal;
resetting an accumulation of a power control adjustment state to a value; or
setting a power control parameter index to zero.
17. The wireless device of claim 11 , wherein the cell comprises at least one of:
a primary cell; or
a secondary cell.
18. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
determine a second CORESET group index, of a second CORESET, that is different from the first CORESET group index; and
based on a reference signal activated for the second CORESET, receive third DCI via the second CORESET.
19. The wireless device of claim 18 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
receive an activation command activating a transmission configuration indicator (TCI) state for the second CORESET, wherein the TCI state indicates the reference signal.
20. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
determine the candidate reference signal for the BFR associated with the first CORESET group index of the cell.
21. One or more non-transitory computer readable media storing instructions that, when executed cause:
receiving downlink control information (DCI) indicative of completing beam failure recovery (BFR) associated with a first control resource set (CORESET) group index of a cell; and
receiving, using a candidate reference signal associated with the BFR, second DCI via a CORESET associated with the first CORESET group index.
22. The one or more non-transitory computer readable media of claim 21 , wherein the instructions, when executed, further cause:
determining one or more physical uplink control channel (PUCCH) resources, of the cell, associated with the first CORESET group index; and
transmitting an uplink signal using the one or more PUCCH resources and using a transmission power based on the candidate reference signal.
23. The one or more non-transitory computer readable media of claim 21 , wherein the instructions, when executed, further cause:
transmitting, using a spatial domain transmission filter, a preamble for the BFR; and
transmitting, using the spatial domain transmission filter, uplink control information (UCI).
24. The one or more non-transitory computer readable media of claim 21 , wherein the instructions, when executed, further cause:
determining a PUCCH resource, of the cell, associated with a third CORESET group index, wherein the third CORESET group index is different from the first CORESET group index; and
transmitting, via the PUCCH resource, an uplink signal using a transmission power determined based on:
a configured reference signal of the PUCCH resource; or
an activated reference signal of the PUCCH resource.
25. The one or more non-transitory computer readable media of claim 21 , wherein the instructions, when executed, further cause:
activating one or more spatial relations for one or more PUCCH resources, associated with the CORESET, based on at least one of:
receiving one or more activation commands for the one or more spatial relations;
receiving one or more configuration parameters indicating the one or more spatial relations; and
transmitting one or more uplink signals via the one or more PUCCH resources and using a spatial domain transmission filter associated with at least one of the one or more spatial relations.
26. The one or more non-transitory computer readable media of claim 21 , wherein the instructions, when executed, further cause transmitting, based on the second DCI, an uplink signal by causing using a transmission power that is based on at least one of:
a pathloss measurement of the candidate reference signal;
resetting an accumulation of a power control adjustment state to a value; or
setting a power control parameter index to zero.
27. The one or more non-transitory computer readable media of claim 21 , wherein the cell comprises at least one of:
a primary cell; or
a secondary cell.
28. The one or more non-transitory computer readable media of claim 21 , wherein the instructions, when executed, further cause:
determining a second CORESET group index, of a second CORESET, that is different from the first CORESET group index; and
based on a reference signal activated for the second CORESET, receiving third DCI via the second CORESET.
29. The one or more non-transitory computer readable media of claim 28 , wherein the instructions, when executed, further cause:
receiving an activation command activating a transmission configuration indicator (TCI) state for the second CORESET, wherein the TCI state indicates the reference signal.
30. The one or more non-transitory computer readable media of claim 21 , wherein the instructions, when executed, further cause:
determining the candidate reference signal for the BFR associated with the first CORESET group index of the cell.
31. A system comprising:
a wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the wireless device, cause the wireless device to:
receive downlink control information (DCI) indicative of completing beam failure recovery (BFR) associated with a first control resource set (CORESET) group index of a cell; and
receive, using a candidate reference signal associated with the BFR, second DCI via a CORESET associated with the first CORESET group index; and
a base station comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the base station, cause the base station to:
send the second DCI via the CORESET associated with the first CORESET group index.
32. The system of claim 31 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
determine one or more physical uplink control channel (PUCCH) resources, of the cell, associated with the first CORESET group index; and
transmit an uplink signal using the one or more PUCCH resources and using a transmission power based on the candidate reference signal.
33. The system of claim 31 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
transmit, using a spatial domain transmission filter, a preamble for the BFR; and
transmit, using the spatial domain transmission filter, uplink control information (UCI).
34. The system of claim 31 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
determine a PUCCH resource, of the cell, associated with a third CORESET group index, wherein the third CORESET group index is different from the first CORESET group index; and
transmit, via the PUCCH resource, an uplink signal using a transmission power determined based on:
a configured reference signal of the PUCCH resource; or
an activated reference signal of the PUCCH resource.
35. The system of claim 31 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
activate one or more spatial relations for one or more PUCCH resources, associated with the CORESET, based on at least one of:
receiving one or more activation commands for the one or more spatial relations;
receiving one or more configuration parameters indicating the one or more spatial relations; and
transmit one or more uplink signals via the one or more PUCCH resources and using a spatial domain transmission filter associated with at least one of the one or more spatial relations.
36. The system of claim 31 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
transmit an uplink signal, wherein the transmitting the uplink signal is based on the second DCI and comprises using a transmission power that is based on at least one of:
a pathloss measurement of the candidate reference signal;
resetting an accumulation of a power control adjustment state to a value; or
setting a power control parameter index to zero.
37. The system of claim 31 , wherein the cell comprises at least one of:
a primary cell; or
a secondary cell.
38. The system of claim 31 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
determine a second CORESET group index, of a second CORESET, that is different from the first CORESET group index; and
based on a reference signal activated for the second CORESET, receive third DCI via the second CORESET.
39. The system of claim 38 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
receive an activation command activating a transmission configuration indicator (TCI) state for the second CORESET, wherein the TCI state indicates the reference signal.
40. The system of claim 31 , wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
determine the candidate reference signal for the BFR associated with the first CORESET group index of the cell.