Information indication method and related device
This application discloses example information indication methods and related devices. In one example method, a terminal device receives first information used to instruct the terminal device to receive a first channel in a first time unit, and second information used to instruct the terminal device to receive a second channel in a second time unit. The terminal device receives the first channel based on the first information. When the first time unit is equal to the second time unit, the terminal device receives the second channel based on the first information, where the second information is a first indicator value. When the first time unit is not equal to the second time unit, the terminal device receives the second channel based on the second information where the second information is a second indicator value.
1. An information indication method, comprising:
receiving, by a terminal device, first information, wherein the first information is information used to instruct the terminal device to receive a first channel in a first time unit;
receiving, by the terminal device, second information, wherein the second information is information used to instruct the terminal device to receive a second channel in a second time unit; and
when the first time unit is equal to the second time unit, receiving, by the terminal device, the first channel and the second channel based on the first information, wherein the second information comprises a first indicator value, and wherein the first indicator value does not comprise quasi-co-location (QCL) information between different reference signals; or
when the first time unit is not equal to the second time unit, receiving, by the terminal device, the first channel based on the first information, and receiving the second channel based on the second information, wherein the second information comprises a second indicator value, and wherein the second indicator value comprises QCL information between different reference signals.
2. The information indication method according to claim 1 , wherein the first channel is a physical downlink control channel, and wherein the second channel is a physical downlink shared channel.
3. The information indication method according to claim 1 , wherein the first information is carried in at least one of radio resource control (RRC) signaling or Media Access Control (MAC) signaling, and wherein the second information is carried in physical layer signaling.
4. The information indication method according to claim 1 , wherein the first time unit and the second time unit comprise at least one Orthogonal Frequency Division Multiplexing (OFDM) symbol, at least one timeslot, or at least one subframe.
5. The information indication method according to claim 1 , wherein,
the first indication value is indication information of a time domain resource location on the second channel;
the first indication value is indication information of a frequency domain resource location on the second channel;
the first indication value is indication information of a time domain resource location and a frequency domain resource location of the second channel;
the first indicator value is indication information of a frequency domain resource granularity of the second channel;
the first indicator value is indication information of a time domain resource granularity of the second channel; or
the first indicator value is indication information of a time domain resource granularity and a frequency domain resource granularity of the second channel.
6. The information indication method according to claim 5 , wherein the second indicator value comprises QCL information between a first reference signal and a second reference signal, wherein the first information comprises QCL information between the first reference signal and the second reference signal, wherein the first reference signal is used to demodulate the first channel or the second channel, and wherein the second reference signal is a reference signal different from the first reference signal.
7. A terminal device, comprising:
a transceiver; and
one or more processors, the one or more processors configured tocontrol the transciever to:
receive first information, wherein the first information is information used to instruct the terminal device to receive a first channel in a first time unit;
receive second information, wherein the second information is information used to instruct the terminal device to receive a second channel in a second time unit; and
when the first time unit is equal to the second time unit, the transceiver is configured to receive the first channel and the second channel based on the first information, wherein the second information comprises a first indicator value, and wherein the first indicator value does not comprise quasi-co-location (QCL) information between different reference signals; or
when the first time unit is not equal to the second time unit, the transceiver is configured to receive the first channel based on the first information and receive the second channel based on the second information, wherein the second information comprises a second indicator value and wherein the second indicator value comprises QCL information between different reference signals.
8. The terminal device according to claim 7 , wherein the first channel is a physical downlink control channel, and wherein the second channel is a physical downlink shared channel.
9. The terminal device according to claim 7 , wherein the first information is carried in at least one of radio resource control (RRC) signaling or Media Access Control (MAC) signaling, and wherein the second information is carried in physical layer signaling.
10. The terminal device according to claim 7 , wherein the first time unit and the second time unit comprise at least one Orthogonal Frequency Division Multiplexing (OFDM) symbol, at least one timeslot, or at least one subframe.
11. The terminal device according to claim 8 , wherein,
the first indication value is indication information of a time domain resource location on the second channel;
the first indication value is indication information of a frequency domain resource location on the second channel;
the first indication value is indication information of a time domain resource location and a frequency domain resource location of the second channel;
the first indicator value is indication information of a frequency domain resource granularity of the second channel;
the first indicator value is indication information of a time domain resource granularity of the second channel; or
the first indicator value is indication information of a time domain resource granularity and a frequency domain resource granularity of the second channel.
12. The terminal device according to claim 11 , wherein the second indicator value comprises QCL information between a first reference signal and a second reference signal, wherein the first information comprises QCL information between the first reference signal and the second reference signal, wherein the first reference signal is used to demodulate the first channel or the second channel, and wherein the second reference signal is a reference signal different from the first reference signal.
13. A network device, comprising:
a transceiver, configured to:
send first information, wherein the first information is information used to instruct a terminal device to receive a first channel in a first time unit;
send second information, wherein the second information is information used to instruct the terminal device to receive a second channel in a second time unit; and
when the first time unit is equal to the second time unit, the first information is used by the terminal device to receive the first channel and the second channel, and the second information comprises a first indicator value, and wherein the first indicator value does not comprise quasi-co-location (QCL) information between different reference signals; or
when the first time unit is not equal to the second time unit, the first information is used by the terminal device to receive the first channel, and the second information is used by the terminal device to receive the second channel, and the second information comprises a second indicator value, and wherein the second indicator value comprises QCL information between different reference signals.
14. The network device according to claim 13 , wherein the first channel is a physical downlink control channel, and wherein the second channel is a physical downlink shared channel.
15. The network device according to claim 13 , wherein the first time unit and the second time unit comprise at least one Orthogonal Frequency Division Multiplexing (OFDM) symbol, at least one timeslot, or at least one subframe.
16. The network device according to claim 13 , wherein,
the first indication value is indication information of a time domain resource location on the second channel;
the first indication value is indication information of a frequency domain resource location on the second channel;
the first indication value is indication information of a time domain resource location and a frequency domain resource location of the second channel;
the first indicator value is indication information of a frequency domain resource granularity of the second channel;
the first indicator value is indication information of a time domain resource granularity of the second channel; or
the first indicator value is indication information of a time domain resource granularity and a frequency domain resource granularity of the second channel.
17. The network device according to claim 16 , wherein the second indicator value comprises QCL information between a first reference signal and a second reference signal, wherein the first information comprises QCL information between the first reference signal and the second reference signal, wherein the first reference signal is used to demodulate the first channel or the second channel, and wherein the second reference signal is a reference signal different from the first reference signal.
18. The network device according to claim 13 , wherein the first information is carried in at least one of radio resource control (RRC) signaling or Media Access Control (MAC) signaling, and wherein the second information is carried in physical layer signaling.
19. A non-transitory computer readable medium comprising instructions which, when executed by one or more processors, cause the one or more processors to execute an information indication method, wherein the method comprises:
receiving, first information, wherein the first information is information used to instruct a terminal device to receive a first channel in a first time unit;
receiving, second information, wherein the second information is information used to instruct the terminal device to receive a second channel in a second time unit; and
when the first time unit is equal to the second time unit, receiving the first channel and the second channel based on the first information, wherein the second information comprises a first indicator value, and wherein the first indicator value does not comprise quasi-co-location (QCL) information between different reference signals; or
when the first time unit is not equal to the second time unit, receiving the first channel based on the first information, and receiving the second channel based on the second information, wherein the second information comprises a second indicator value, and wherein the second indicator value comprises QCL information between different reference signals.
20. The non-transitory computer readable medium according to claim 19 , wherein the first channel is a physical downlink control channel, and wherein the second channel is a physical downlink shared channel.
21. The non-transitory computer readable medium according to claim 18 , wherein the first information is carried in at least one of radio resource control (RRC) signaling or Media Access Control (MAC) signaling, and wherein the second information is carried in physical layer signaling.
22. The non-transitory computer readable medium according to claim 19 , wherein the first time unit and the second time unit comprise at least one Orthogonal Frequency Division Multiplexing (OFDM) symbol, at least one timeslot, or at least one subframe.
23. The non-transitory computer readable medium according to claim 18 , wherein,
the first indication value is indication information of a time domain resource location on the second channel;
the first indication value is indication information of a frequency domain resource location on the second channel;
the first indication value is indication information of a time domain resource location and a frequency domain resource location of the second channel;
the first indicator value is indication information of a frequency domain resource granularity of the second channel;
the first indicator value is indication information of a time domain resource granularity of the second channel; or
the first indicator value is indication information of a time domain resource granularity and a frequency domain resource granularity of the second channel.
24. The non-transitory computer readable medium according to claim 23 , wherein the second indicator value comprises QCL information between a first reference signal and a second reference signal, wherein the first information comprises QCL information between the first reference signal and the second reference signal, wherein the first reference signal is used to demodulate the first channel or the second channel, and wherein the second reference signal is a reference signal different from the first reference signal.