Method for sending physical uplink shared channel and apparatus
This application discloses methods and apparatuses for sending a physical uplink shared channel (PUSCH) and relates to the communication field. A network device sends indication information to a terminal device, where the indication information is used to indicate first information and second information. The first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition. The second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition. The terminal device sends N PUSCHs based on precoding information indicated by the indication information. The precoding information corresponding to the N PUSCHs includes at least one of the first precoding information and the second precoding information.
1. A method for sending a physical uplink shared channel (PUSCH), comprising:
receiving indication information, wherein the indication information is used to indicate first information and second information, the first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition, and the second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition; and
sending N PUSCHs, wherein precoding information corresponding to the N PUSCHs comprises at least one of the first precoding information and the second precoding information, and wherein:
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH and the second PUSCH are actual PUSCH repetitions corresponding to the first nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the first precoding information; or
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH is an actual PUSCH repetition corresponding to the first nominal PUSCH repetition, the second PUSCH is an actual PUSCH repetition corresponding to the second nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the second precoding information; and
N is an integer greater than or equal to 2.
2. The method according to claim 1 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
time domain resources occupied by the first PUSCH and the second PUSCH are all or a part of time domain resources occupied by the first nominal PUSCH repetition in a first time unit.
3. The method according to claim 1 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
a time domain resource occupied by the first PUSCH is all of time domain resources occupied by the first nominal PUSCH repetition in a first time unit, and a time domain resource occupied by the second PUSCH is all of time domain resources occupied by the second nominal PUSCH repetition in a second time unit.
4. The method according to claim 1 , wherein the method further comprises:
obtaining the first information and the second information by using downlink control information (DCI).
5. The method according to claim 4 , wherein the indication information comprises precoding information and a quantity of layers, or the indication information comprises sounding reference signal resource indicator information (SRI).
6. A method for receiving a physical uplink shared channel (PUSCH), comprising:
sending indication information, wherein the indication information is used to indicate first information and second information, the first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition, and the second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition; and
receiving M PUSCHs, wherein precoding information corresponding to the M PUSCHs is the first precoding information, time domain resources occupied by the M PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition in at least one time unit, M is an integer less than or equal to N, N PUSCHs are PUSCHs sent by a terminal device based on at least one of the first nominal PUSCH repetition and the second nominal PUSCH repetition, and wherein:
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH and the second PUSCH are actual PUSCH repetitions corresponding to the first nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the first precoding information; or
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH is an actual PUSCH repetition corresponding to the first nominal PUSCH repetition, the second PUSCH is an actual PUSCH repetition corresponding to the second nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the second precoding information.
7. The method according to claim 6 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
time domain resources occupied by the first PUSCH and the second PUSCH are all or a part of time domain resources occupied by the first nominal PUSCH repetition in a first time unit.
8. The method according to claim 7 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
a time domain resource occupied by the first PUSCH is all of time domain resources occupied by the first nominal PUSCH repetition in a first time unit, and a time domain resource occupied by the second PUSCH is all of time domain resources occupied by the second nominal PUSCH repetition in a second time unit.
9. The method according to claim 6 , wherein the method further comprises:
sending the first information and the second information by using downlink control information DCI.
10. The method according to claim 9 , wherein the indication information comprises precoding information and a quantity of layers, or the indication information comprises sounding reference signal resource indicator information (SRI).
11. An apparatus for sending a physical uplink shared channel (PUSCH), comprising
a transceiver, configured to:
receive indication information, wherein the indication information is used to indicate first information and second information, the first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition, and the second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition; and
send N PUSCHs, wherein precoding information corresponding to the N PUSCHs comprises at least one of the first precoding information and the second precoding information, and wherein:
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH and the second PUSCH are actual PUSCH repetitions corresponding to the first nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the first precoding information; or
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH is an actual PUSCH repetition corresponding to the first nominal PUSCH repetition, the second PUSCH is an actual PUSCH repetition corresponding to the second nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the second precoding information; and
N is an integer greater than or equal to 2.
12. The apparatus according to claim 11 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
time domain resources occupied by the first PUSCH and the second PUSCH are all or a part of time domain resources occupied by the first nominal PUSCH repetition in a first time unit.
13. The apparatus according to claim 11 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
a time domain resource occupied by the first PUSCH is all of time domain resources occupied by the first nominal PUSCH repetition in a first time unit, and a time domain resource occupied by the second PUSCH is all of time domain resources occupied by the second nominal PUSCH repetition in a second time unit.
14. The apparatus according to claim 11 , wherein the apparatus further comprises:
at least one processor; and
one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to obtain the first information and the second information by using downlink control information (DCI).
15. The apparatus according to claim 14 , wherein the indication information comprises precoding information and a quantity of layers, or the indication information comprises sounding reference signal resource indicator information (SRI).
16. An apparatus for receiving a physical uplink shared channel (PUSCH), comprising
a transceiver, configured to:
send indication information, wherein the indication information is used to indicate first information and second information, the first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition, and the second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition; and
receive M PUSCHs, wherein precoding information corresponding to the M PUSCHs is the first precoding information, time domain resources occupied by the M PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition in at least one time unit, M is an integer less than or equal to N, N PUSCHs are PUSCHs sent by a terminal device based on at least one of the first nominal PUSCH repetition and the second nominal PUSCH repetition, and wherein:
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH and the second PUSCH are actual PUSCH repetitions corresponding to the first nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the first precoding information; or
time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit, the N PUSCHs comprise a first PUSCH and a second PUSCH, the first PUSCH is an actual PUSCH repetition corresponding to the first nominal PUSCH repetition, the second PUSCH is an actual PUSCH repetition corresponding to the second nominal PUSCH repetition, precoding information corresponding to the first PUSCH is the first precoding information, and precoding information corresponding to the second PUSCH is the second precoding information.
17. The apparatus according to claim 16 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
time domain resources occupied by the first PUSCH and the second PUSCH are all or a part of time domain resources occupied by the first nominal PUSCH repetition in a first time unit.
18. The apparatus according to claim 17 , wherein the time domain resources occupied by the N PUSCHs are all or a part of time domain resources occupied by the first nominal PUSCH repetition and the second nominal PUSCH repetition in at least one time unit comprises:
a time domain resource occupied by the first PUSCH is all of time domain resources occupied by the first nominal PUSCH repetition in a first time unit; and a time domain resource occupied by the second PUSCH is all of time domain resources occupied by the second nominal PUSCH repetition in a second time unit.
19. The apparatus according to claim 16 , wherein the transceiver is further configured to:
send the first information and the second information by using downlink control information (DCI).
20. The apparatus according to claim 19 , wherein the indication information comprises precoding information and a quantity of layers, or the indication information comprises sounding reference signal resource indicator information (SRI).