Transmission configuration and timing for wireless communications
Wireless communications may comprise transmissions using a beam. A message may comprise one or more indications of a beam and/or type(s) of signals for downlink and/or uplink transmission using the beam. An acknowledgement may be used to indicate reception of the one or more indications and/or a time offset may be used for applying the beam for the downlink and/or uplink transmission.
1. A method comprising:
receiving, by a wireless device, downlink control information (DCI) indicating a transmission configuration indicator (TCI) state for a plurality of channels;
transmitting an uplink transmission comprising an acknowledgement corresponding to the DCI;
determining a time, from a time of the uplink transmission, for applying the TCI state to the plurality of channels; and
communicating, using the TCI state and based on the time for applying the TCI state, a plurality of transmissions via the plurality of channels.
2. The method of claim 1 , wherein the plurality of channels comprises a plurality of different types of channels.
3. The method of claim 1 , wherein the plurality of channels comprises a physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH), and wherein the communicating comprises receiving, using the TCI state, the plurality of transmissions via at least the PDSCH and the PDCCH.
4. The method of claim 1 , further comprising:
after receiving the DCI and prior to an expiration of the time for applying the TCI state, communicating using a second TCI state, wherein the second TCI state is at least one of:
a default TCI state; or
a TCI state associated with a transmission received prior to the receiving the DCI.
5. The method of claim 1 , wherein the acknowledgement comprises a hybrid automatic repeat request (HARQ) acknowledgement (ACK) message or a HARQ negative acknowledgement (NACK) message.
6. The method of claim 1 , wherein the DCI comprises a beam indication, and wherein the beam indication indicates the TCI state.
7. The method of claim 1 , wherein the communicating comprises receiving, using a quasi co-location (QCL) associated with the TCI state, the plurality of transmissions via the plurality of channels.
8. The method of claim 1 , wherein the communicating comprises transmitting, using a spatial filter associated with the TCI state, and starting at the time for applying the TCI state, the plurality of transmissions via the plurality of channels.
9. The method of claim 1 , wherein the uplink transmission comprises an uplink transmission via a physical uplink control channel (PUCCH) or via a physical uplink shared channel (PUSCH).
10. The method of claim 1 , wherein the acknowledgement comprises a positive acknowledgement or a negative acknowledgment.
11. The method of claim 1 , wherein the plurality of channels comprises a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH), and wherein the communicating comprises transmitting, using the TCI state, the plurality of transmissions via at least the PUSCH and the PUCCH.
12. The method of claim 1 , wherein the plurality of channels comprises at least one of a sounding reference signal (SRS) or channel state information (CSI).
13. The method of claim 1 , further comprising receiving, by the wireless device, a control message indicating a time offset, wherein the determining the time, from the time of the uplink transmission, is based on the time offset.
14. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
receive downlink control information (DCI) indicating a transmission configuration indicator (TCI) state for a plurality of channels;
transmit an uplink transmission comprising an acknowledgement corresponding to the DCI;
determine a time, from a time of the uplink transmission, for applying the TCI state to the plurality of channels; and
communicate, using the TCI state and based on the time for applying the TCI state, a plurality of transmissions via the plurality of channels.
15. The wireless device of claim 14 , wherein the plurality of channels comprises a plurality of different types of channels.
16. The wireless device of claim 14 , wherein the plurality of channels comprises a physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH), and wherein the instructions, when executed by the one or more processors, cause the wireless device to communicate the plurality of transmissions by at least:
receiving, using the TCI state, the plurality of transmissions via at least the PDSCH and the PDCCH.
17. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, further cause the wireless device to:
after receiving the DCI and prior to an expiration of the time for applying the TCI state, communicate using a second TCI state, wherein the second TCI state is at least one of:
a default TCI state; or
a TCI state associated with a transmission received prior to the receiving the DCI.
18. The wireless device of claim 14 , wherein the acknowledgement comprises a hybrid automatic repeat request (HARQ) acknowledgement (ACK) message or a HARQ negative acknowledgement (NACK) message.
19. The wireless device of claim 14 , wherein the DCI comprises a beam indication, and wherein the beam indication indicates the TCI state.
20. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to communicate the plurality of transmissions by receiving, using a quasi co-location (QCL) associated with the TCI state, the plurality of transmissions via the plurality of channels.
21. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to communicate the plurality of transmissions by transmitting, using a spatial filter associated with the TCI state, and starting at the time for applying the TCI state, the plurality of transmissions via the plurality of channels.
22. The wireless device of claim 14 , wherein the uplink transmission comprises an uplink transmission via a physical uplink control channel (PUCCH) or via a physical uplink shared channel (PUSCH).
23. The wireless device of claim 14 , wherein the acknowledgement comprises a positive acknowledgement or a negative acknowledgment.
24. The wireless device of claim 14 , wherein the plurality of channels comprises a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH), and wherein the instructions, when executed by the one or more processors, cause the wireless device to communicate the plurality of transmissions by at least:
transmitting, using the TCI state, the plurality of transmissions via at least the PUSCH and the PUCCH.
25. The wireless device of claim 14 , wherein the plurality of channels comprises at least one of a sounding reference signal (SRS) or channel state information (CSI).
26. The wireless device of claim 14 , wherein the instructions, when executed by the one or more processors, cause the wireless device to:
receive a control message indicating a time offset, and
determine the time, from the time of the uplink transmission, based on the time offset.
27. A non-transitory computer-readable medium storing instructions that, when executed, configure a wireless device to:
receive downlink control information (DCI) indicating a transmission configuration indicator (TCI) state for a plurality of channels;
transmit an uplink transmission comprising an acknowledgement corresponding to the DCI;
determine a time, from a time of the uplink transmission, for applying the TCI state to the plurality of channels; and
communicate, using the TCI state and based on the time for applying the TCI state, a plurality of transmissions via the plurality of channels.
28. The non-transitory computer-readable medium of claim 27 , wherein the plurality of channels comprises a plurality of different types of channels.
29. The non-transitory computer-readable medium of claim 27 , wherein the plurality of channels comprises a physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH), and wherein the instructions, when executed, configure the wireless device to communicate the plurality of transmissions by at least:
receiving, using the TCI state, the plurality of transmissions via at least the PDSCH and the PDCCH.
30. The non-transitory computer-readable medium of claim 27 , wherein the instructions, when executed, further configure the wireless device to:
after receiving the DCI and prior to an expiration of the time for applying the TCI state, communicate using a second TCI state, wherein the second TCI state is at least one of:
a default TCI state; or
a TCI state associated with a transmission received prior to the receiving the DCI.
31. The non-transitory computer-readable medium of claim 27 , wherein the acknowledgement comprises a hybrid automatic repeat request (HARQ) acknowledgement (ACK) message or a HARQ negative acknowledgement (NACK) message.
32. The non-transitory computer-readable medium of claim 27 , wherein the DCI comprises a beam indication, and wherein the beam indication indicates the TCI state.
33. The non-transitory computer-readable medium of claim 27 , wherein the instructions, when executed, configure the wireless device to communicate the plurality of transmissions by receiving, using a quasi co-location (QCL) associated with the TCI state, the plurality of transmissions via the plurality of channels.
34. The non-transitory computer-readable medium of claim 27 , wherein the instructions, when executed, configure the wireless device to communicate the plurality of transmissions by transmitting, using a spatial filter associated with the TCI state, and starting at the time for applying the TCI state, the plurality of transmissions via the plurality of channels.
35. The non-transitory computer-readable medium of claim 27 , wherein the uplink transmission comprises an uplink transmission via a physical uplink control channel (PUCCH) or via a physical uplink shared channel (PUSCH).
36. The non-transitory computer-readable medium of claim 27 , wherein the acknowledgement comprises a positive acknowledgement or a negative acknowledgment.
37. The non-transitory computer-readable medium of claim 27 , wherein the plurality of channels comprises a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH), and wherein the instructions, when executed, configure the wireless device to communicate the plurality of transmissions by at least:
transmitting, using the TCI state, the plurality of transmissions via at least the PUSCH and the PUCCH.
38. The non-transitory computer-readable medium of claim 27 , wherein the plurality of channels comprises at least one of a sounding reference signal (SRS) or channel state information (CSI).
39. The non-transitory computer-readable medium of claim 27 , wherein the instructions, when executed, configure the wireless device to:
receive a control message indicating a time offset, and
determine the time, from the time of the uplink transmission, based on the time offset.
40. A system comprising:
a base station configured to transmit downlink control information (DCI) indicating a transmission configuration indicator (TCI) state for a plurality of channels; and
a wireless device configured to:
transmit an uplink transmission comprising an acknowledgement corresponding to the DCI;
determine a time, from a time of the uplink transmission, for applying the TCI state to the plurality of channels; and
communicate with the base station, using the TCI state and based on the time for applying the TCI state, a plurality of transmissions via the plurality of channels.
41. The system of claim 40 , wherein the wireless device is configured to communicate the plurality of transmissions by receiving, using a quasi co-location (QCL) associated with the TCI state, the plurality of transmissions via the plurality of channels.
42. The system of claim 40 , wherein the wireless device is configured to communicate the plurality of transmissions by transmitting, using a spatial filter associated with the TCI state, and starting at the time for applying the TCI state, the plurality of transmissions via the plurality of channels.
43. The system of claim 40 , wherein the acknowledgement comprises a positive acknowledgement or a negative acknowledgment.
44. The system of claim 40 , wherein the plurality of channels comprises a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH), and wherein the wireless device is configured to communicate the plurality of transmissions by at least:
transmitting, using the TCI state, the plurality of transmissions via at least the PUSCH and the PUCCH.
45. The system of claim 40 , wherein the plurality of channels comprises at least one of a sounding reference signal (SRS) or channel state information (CSI).
46. The system of claim 40 , wherein the wireless device is configured to:
receive a control message indicating a time offset, and
determine the time, from the time of the uplink transmission, based on the time offset.