Channel state information (CSI) reporting for one or both of a private message (p-message) or a common message (c-message)
Some aspects of the disclosure are related to channel state information (CSI) reporting for one or both of a private message (p-message) or a common message (c-message). In some aspects, a user equipment (UE) may receive a signal that includes a p-message associated with the UE and a c-message associated with the UE and at least one other UE. The UE may transmit a measurement report that indicates one or both of first CSI associated with the p-message or second CSI associated with the c-message.
1. A user equipment (UE) comprising:
at least one processor; and
a memory coupled with the at least one processor and storing processor-readable code that, when executed by the at least one processor, is configured to:
receive a signal that includes a private message (p-message) associated with the UE and a common message (c-message) associated with the UE and at least one other UE, the p-message being associated with a first hybrid automatic repeat request (HARQ) resource and the c-message being associated with a second HARQ resource; and
transmit a measurement report that indicates one or both of first channel state information (CSI) associated with the p-message or second CSI associated with the c-message, the first CSI, when indicated in the measurement report, being multiplexed with a first HARQ message associated with the p-message, the second CSI, when indicated in the measurement report, being multiplexed with a second HARQ message associated with the c-message.
2. The UE of claim 1 , wherein the processor-readable code is further executable by the at least one processor to receive a configuration message, and wherein the measurement report indicates, in accordance with the configuration message, one or more of the first CSI, the second CSI, or a metric representing a combination of the first CSI and the second CSI.
3. The UE of claim 1 , wherein the processor-readable code is further executable by the at least one processor to receive a configuration message indicating whether the second CSI is to be determined prior to determining the first CSI or whether the first CSI and the second CSI are to be determined concurrently.
4. The UE of claim 1 , wherein the processor-readable code is further executable by the at least one processor to receive a configuration message indicating one or both of:
whether the first CSI and the second CSI are to be separately encoded or jointly encoded; or
whether the first CSI and the second CSI are to be transmitted via a common resource or via separate resources.
5. The UE of claim 1 , wherein the processor-readable code is further executable by the at least one processor to transmit a hybrid automatic repeat request (HARQ) message with the measurement report, and wherein the measurement report is bundled with the HARQ message.
6. The UE of claim 1 , wherein the first CSI and the second CSI are associated with different respective target block error rate (BLER) metrics or with a common BLER metric.
7. The UE of claim 1 , wherein the processor-readable code is further executable by the at least one processor to:
receive a configuration message indicating one or more of a first target block error rate (BLER) metric associated with the p-message or a second target BLER metric associated with the c-message; and
transmit the measurement report in accordance with the configuration message.
8. The UE of claim 1 , wherein the processor-readable code is further executable by the at least one processor to:
receive a first reference signal associated with the p-message;
determine the first CSI in accordance with the first reference signal;
receive a second reference signal associated with the c-message; and
determine the second CSI in accordance with the second reference signal.
9. The UE of claim 1 , wherein the processor-readable code is further executable by the at least one processor to:
determine a first plurality of log-likelihood ratio (LLR) values associated with a first data portion of the p-message;
determine the first CSI in accordance with the first plurality of LLR values;
determine a second plurality of LLR values associated with a second data portion of the c-message; and
determine the second CSI in accordance with the second plurality of LLR values.
10. A method for wireless communication performed by a user equipment (UE), the method comprising:
receiving a signal that includes a private message (p-message) associated with the UE and a common message (c-message) associated with the UE and at least one other UE, the p-message being associated with a first hybrid automatic repeat request (HARQ) resource and the c-message being associated with a second HARQ resource; and
transmitting a measurement report that indicates one or both of first channel state information (CSI) associated with the p-message or second CSI associated with the c-message, the first CSI, when indicated in the measurement report, being multiplexed with a first HARQ message associated with the p-message, the second CSI, when indicated in the measurement report, being multiplexed with a second HARQ message associated with the c-message.
11. The method of claim 10 , further comprising receiving a configuration message, wherein the measurement report indicates, in accordance with the configuration message, one or more of the first CSI, the second CSI, or a metric representing a combination of the first CSI and the second CSI.
12. The method of claim 10 , further comprising receiving a configuration message indicating whether the second CSI is to be determined prior to determining the first CSI or whether the first CSI and the second CSI are to be determined concurrently.
13. The method of claim 10 , further comprising receiving a configuration message indicating one or both of:
whether the first CSI and the second CSI are to be separately encoded or jointly encoded; or
whether the first CSI and the second CSI are to be transmitted via a common resource or via separate resources,
wherein the UE transmits the measurement report in accordance with the configuration message.
14. The method of claim 10 , further comprising transmitting a hybrid automatic repeat request (HARQ) message with transmitting the measurement report, wherein the measurement report is bundled with the HARQ message.
15. The method of claim 10 , wherein the first CSI and the second CSI are associated with different respective target block error rate (BLER) metrics or with a common BLER metric.
16. The method of claim 10 , further comprising receiving a configuration message indicating one or more of a first target block error rate (BLER) metric associated with the p-message or a second target BLER metric associated with the c-message, wherein the measurement report is transmitted in accordance with the configuration message.
17. The method of claim 10 , further comprising:
receiving a first reference signal associated with the p-message, wherein the first CSI is determined in accordance with the first reference signal; and
receiving a second reference signal associated with the c-message, wherein the second CSI is determined in accordance with the second reference signal.
18. The method of claim 10 , further comprising:
determining a first plurality of log-likelihood ratio (LLR) values associated with a first data portion of the p-message, wherein the first CSI is determined in accordance with the first plurality of LLR values; and
determining a second plurality of LLR values associated with a second data portion of the c-message, wherein the second CSI is determined in accordance with the second plurality of LLR values.
19. A base station comprising:
at least one processor; and
a memory coupled with the at least one processor and storing processor-readable code that, when executed by the at least one processor, is configured to:
transmit a signal that includes a private message (p-message) associated with a user equipment (UE) and a common message (c-message) associated with the UE and at least one other UE, the p-message being associated with a first hybrid automatic repeat request (HARQ) resource and the c-message being associated with a second HARQ resource; and
receive a measurement report from the UE that indicates one or both of first channel state information (CSI) associated with the p-message or second CSI associated with the c-message, the first CSI, when indicated in the measurement report, being multiplexed with a first HARQ message associated with the p-message, the second CSI, when indicated in the measurement report, being multiplexed with a second HARQ message associated with the c-message.
20. The base station of claim 19 , wherein the processor-readable code is further executable by the at least one processor to transmit a configuration message, and wherein the measurement report indicates, in accordance with the configuration message, one or more of the first CSI, the second CSI, or a metric representing a combination of the first CSI and the second CSI.
21. The base station of claim 19 , wherein the processor-readable code is further executable by the at least one processor to transmit a configuration message indicating whether the second CSI is to be determined prior to determining the first CSI or whether the first CSI and the second CSI are to be determined concurrently.
22. The base station of claim 19 , wherein the processor-readable code is further executable by the at least one processor to transmit a configuration message indicating one or both of:
whether the first CSI and the second CSI are to be separately encoded or jointly encoded; or
whether the first CSI and the second CSI are to be transmitted via a common resource or via separate resources.
23. The base station of claim 19 , wherein the processor-readable code is further executable by the at least one processor to receive a hybrid automatic repeat request (HARQ) message with the measurement report, wherein the measurement report is bundled with the HARQ message.
24. A method for wireless communication performed by a base station, the method comprising:
transmitting a signal that includes a private message (p-message) associated with a user equipment (UE) and a common message (c-message) associated with the UE and at least one other UE, the p-message being associated with a first hybrid automatic repeat request (HARQ) resource and the c-message being associated with a second HARQ resource; and
receiving a measurement report from the UE that indicates one or both of first channel state information (CSI) associated with the p-message or second CSI associated with the c-message, the first CSI, when indicated in the measurement report, being multiplexed with a first HARQ message associated with the p-message, the second CSI, when indicated in the measurement report, being multiplexed with a second HARQ message associated with the c-message.
25. The method of claim 24 , further comprising transmitting a configuration message, wherein the measurement report indicates, in accordance with the configuration message, one or more of the first CSI, the second CSI, or a metric representing a combination of the first CSI and the second CSI.
26. The method of claim 24 , further comprising transmitting a configuration message indicating whether the second CSI is to be determined prior to determining the first CSI or whether the first CSI and the second CSI are to be determined concurrently.
27. The method of claim 24 , further comprising transmitting a configuration message indicating one or both of:
whether the first CSI and the second CSI are to be separately encoded or jointly encoded; or
whether the first CSI and the second CSI are to be transmitted via a common resource or via separate resources,
wherein the UE transmits the measurement report in accordance with the configuration message.
28. The method of claim 24 , further comprising receiving a hybrid automatic repeat request (HARQ) message with transmitting the measurement report, wherein the measurement report is bundled with the HARQ message.