Multiplexing control information in a physical uplink data channel
For multiplexing control information in a physical uplink data channel, a user equipment (UE) includes receiving a configuration for a first set of values and receiving a downlink control information (DCI) format scheduling a transmission of a physical uplink shared data channel (PUSCH) over a set of resource elements (REs) and including a field providing an index. The method further includes determining a first value from the first set of values based on the index, determining a first subset of REs from the set of REs, for multiplexing first uplink control information (UCI), based on the first value, and transmitting the first UCI in the PUSCH.
1. A method of a user equipment (UE) in a wireless communication system, the method comprising:
receiving:
a configuration for a first set of offset values and for a second set of offset values, and
a downlink control information (DCI) format, wherein
the DCI format schedules a transmission of a physical uplink shared channel (PUSCH), and
the DCI format includes an indicator field;
determining a number of resource elements (REs) of the PUSCH for multiplexing hybrid automatic repeat request acknowledgement (HARQ-ACK) information based on:
an offset value from the first set of offset values when the indicator field has a first value, and
an offset value from the second set of offset values when the indicator field has a second value;
multiplexing the HARQ-ACK information over the number of REs of the PUSCH; and
transmitting the PUSCH with the HARQ-ACK information.
2. The method of claim 1 , further comprising:
receiving a configuration for a first set of power control parameter values and for a second set of power control parameter values; and
determining a power for the PUSCH transmission according to:
the first set of power control parameter values when the indicator field has the first value, and
the second set of power control parameter values when the indicator field has the second value.
3. The method of claim 1 , further comprising:
multiplexing a transport block in the PUSCH, wherein a transmission reliability of the transport block depends on whether the indicator field has the first value or the second value.
4. The method of claim 1 , further comprising:
multiplexing:
a different transport block in each repetition of the PUSCH transmission, wherein the PUSCH transmission is with a number of repetitions, and
the HARQ-ACK information in a first repetition of the PUSCH transmission, wherein a transport block size is smaller in the first repetition than in a second repetition of the PUSCH transmission that does not include any uplink control information.
5. The method of claim 1 , wherein the REs of the PUSCH for multiplexing the HARQ-ACK information do not include REs in a symbol that includes REs for multiplexing a demodulation reference signal (DM-RS).
6. The method of claim 1 , wherein:
the DCI format includes a field with a value that triggers the multiplexing of the HARQ-ACK information in the PUSCH, and
the HARQ-ACK information is additionally multiplexed in a second PUSCH, or in a physical uplink control channel (PUCCH), prior to the PUSCH.
7. The method of claim 1 , further comprising:
receiving:
a configuration for a set of serving cells for receptions of physical downlink control channels (PDSCHs),
a configuration for a number of HARQ processes per serving cell from the set of serving cells, wherein:
the DCI format includes a field with a value that triggers the multiplexing of the HARQ-ACK information in the PUSCH, and
the HARQ-ACK information is for each HARQ process from the number of HARQ processes per serving cell and for each cell from the set of serving cells.
8. A user equipment (UE) in a wireless communication system, the UE, comprising:
a transceiver configured to receive:
a configuration for a first set of offset values and for a second set of offset values, and
a downlink control information (DCI) format, wherein
the DCI format schedules a transmission of a physical uplink shared channel (PUSCH), and
the DCI format includes an indicator field;
a processor operably connected to the transceiver, the processor configured to determine a number of resource elements (REs) of the PUSCH for multiplexing hybrid automatic repeat request acknowledgement (HARQ-ACK) information based on:
an offset value from the first set of offset values when the indicator field has a first value, and
an offset value from the second set of offset values when the indicator field has a second value; and
a multiplexer configured to multiplex the HARQ-ACK information over the number of REs of the PUSCH,
wherein the transceiver is further configured to transmit the PUSCH with the HARQ-ACK information.
9. The UE of claim 8 , wherein:
the transceiver is further configured to receive a configuration for a first set of power control parameter values and for a second set of power control parameter values; and
the processor is further configured to determine a power for the PUSCH transmission according to:
the first set of power control parameter values when the indicator field has the first value, and
the second set of power control parameter values when the indicator field has the second value.
10. The UE of claim 8 , wherein:
the multiplexer is further configured to multiplex a transport block in the PUSCH, wherein a transmission reliability of the transport block depends on whether the indicator field has the first value or the second value.
11. The UE of claim 8 , wherein:
the multiplexer is further configured to multiplex:
a different transport block in each repetition of the PUSCH transmission, wherein the PUSCH transmission is with a number of repetitions, and
the HARQ-ACK information in a first repetition of the PUSCH transmission, wherein a transport block size is smaller in the first repetition than in a second repetition of the PUSCH transmission that does not include any uplink control information.
12. The UE of claim 8 , wherein the REs of the PUSCH for multiplexing the HARQ-ACK information do not include REs in a symbol that includes REs for multiplexing a demodulation reference signal (DM-RS).
13. The UE of claim 8 , wherein:
the DCI format includes a field with a value that triggers the multiplexing of the HARQ-ACK information in the PUSCH, and
the HARQ-ACK information is additionally multiplexed in a second PUSCH, or in a physical uplink control channel (PUCCH), prior to the PUSCH.
14. The UE of claim 8 , wherein:
the transceiver is further configured to receive:
a configuration for a set of serving cells for receptions of physical downlink control channels (PDSCHs),
a configuration for a number of HARQ processes per serving cell from the set of serving cells, wherein:
the DCI format includes a field with a value that triggers the multiplexing of the HARQ-ACK information in the PUSCH, and
the HARQ-ACK information is for each HARQ process from the number of HARQ processes per serving cell and for each cell from the set of serving cells.
15. A base station (BS) in a wireless communications system, the BS comprising:
a transceiver configured to transmit:
a configuration for a first set of offset values and for a second set of offset values, and
a downlink control information (DCI) format, wherein
the DCI format schedules a reception of a physical uplink shared channel (PUSCH), and
the DCI format includes an indicator field;
a processor operably connected to the transceiver, the processor configured to determine a number of resource elements (REs) of the PUSCH for demultiplexing hybrid automatic repeat request acknowledgement (HARQ-ACK) information based on:
an offset value from the first set of offset values when the indicator field has a first value, and
an offset value from the second set of offset values when the indicator field has a second value; and
a demultiplexer configured to demultiplex the HARQ-ACK information over the number of REs of the PUSCH,
wherein the transceiver is further configured to receive the PUSCH with the HARQ-ACK information.
16. The BS of claim 15 , wherein:
the transceiver is further configured to transmit a configuration for a first set of power control parameter values and for a second set of power control parameter values, wherein:
the first set of power control parameter values is used when the indicator field has the first value, and
the second set of power control parameter values is used when the indicator field has the second value.
17. The BS of claim 15 , wherein:
the demultiplexer is further configured to demultiplex a transport block in the PUSCH, wherein a reception reliability of the transport block depends on whether the indicator field has the first value or the second value.
18. The BS of claim 15 , wherein:
the demultiplexer is further configured to demultiplex:
a different transport block in each repetition of the PUSCH reception, wherein the PUSCH reception is with a number of repetitions, and
the HARQ-ACK information in a first repetition of the PUSCH reception, wherein a transport block size is smaller in the first repetition than in a second repetition of the PUSCH reception that does not include any uplink control information.
19. The BS of claim 15 , wherein the REs of the PUSCH for demultiplexing the HARQ-ACK information do not include REs in a symbol that includes REs for demultiplexing a demodulation reference signal (DM-RS).
20. The BS of claim 15 , wherein:
the DCI format includes a field with a value that triggers the demultiplexing of the HARQ-ACK information in the PUSCH, and
the HARQ-ACK information is additionally demultiplexed from a second PUSCH, or from a physical uplink control channel (PUCCH), prior to the PUSCH.