Information configuration method, apparatus, and system

1. A network device, comprising:

a memory storing program instructions; and

at least one processor coupled to the memory, wherein the program instructions, when executed by the at least one processor, cause the network device to:

generate first configuration information, wherein the first configuration information comprises at least one of the following information:

receive beam indication information of a terminal device, reference signal (RS) sending and channel state information (CSI) feedback time offset indication information, RS function indication information, or beam sweeping method indication information; and

send the first configuration information to the terminal device by using layer one or layer two signaling;

wherein the receive beam indication information of the terminal device is at least one of a quasi-co-location (QCL) indicator, a resource index, or a synchronization block SS block index, and wherein the receive beam indication information of the terminal device is used to indicate a receive beam of the terminal device;

wherein the RS sending and CSI feedback time offset indication information is used to indicate time offset for sending one or more reference signals (RSs) and time offset for CSI feedback, wherein the time offset for sending one or more RSs is used to indicate a time interval between a configuration moment and a RS sending moment, and wherein the time offset for CSI feedback is used to indicate a time interval between a configuration moment and a CSI feedback moment;

wherein the RS function indication information is used to indicate the RS is used for channel state information measurement interference measurement, or beam management wherein:

when the RS function indication information is a first value, the RS is used for interference measurement (IM);

when the RS function indication information is a second value, the RS is used for channel state measurement; and

when the RS function indication information is a third value, the RS is used for beam management (BM); and

wherein the beam sweeping method indication information is resource set information and is used to indicate the beam sweeping method of the terminal device.

2. The network device according to claim 1 , wherein the first configuration information further comprises:

RS activation or deactivation indication information, wherein the RS activation or deactivation indication information is used to indicate activation and deactivation information of a resource set; and

RS sending and CSI feedback period indication information, wherein the RS sending and CSI feedback period indication information is used to indicate a sending period and CSI feedback period of a RS resource.

3. The network device according to claim 2 , wherein the RS sending and CR feedback period indication information is one of the following information:

a quantity of orthogonal frequency division multiplexing (OFDM) symbols, a quantity of transmission time intervals (TTIs), a quantity of transmission time units(TTUs), number of slots, or a time.

4. The network device according to claim 2 , wherein the RS activation or deactivation indication information is

a resource set index.

5. The network device according to claim 2 , wherein the RS activation or deactivation indication information indicates activation or deactivation of a resource set in a bitmap manner.

6. The network device according to claim 1 , wherein the program instructions, when executed by the at least one processor, further cause the network device to:

generate second configuration information, wherein:

the second configuration information comprises at least one of the following information: one or more resource settings, one or more reporting settings, or one or more links;

each link of the one or more links is used to indicate a relationship between a resource setting and a reporting setting;

each resource setting comprises one or more resource sets;

each resource set comprises one or more resources; and

each resource comprises at least one of the following information: resource time-frequency information, resource index information, or a resource sending time-domain characteristic; and

send the second configuration information to the terminal device by using layer one or layer two signaling.

7. The network device according to claim 6 , wherein the reporting setting is CSI RS resource index or reference signal reception power (RSRP), and wherein the reporting setting comprises at least one of the following information:

information used to indicate a reporting time-domain characteristic, information used to indicate a reporting frequency-domain granularity, a quantity to be measured, or information used to indicate a reporting type or content.

8. The network device according to claim 1 , wherein the RS sending and CSI feedback time offset indication information is one of the following information:

a quantity of OFDM symbols, a quantity of transmission time intervals (TTIs), number of slots, or a time.

9. The network device according to claim 1 , wherein the beam sweeping method indication information is scanning type information P 2 or P 3 .

10. A terminal device, comprising:

a memory storing program instructions; and

at least one processor coupled to the memory, wherein the program instructions, when executed by the at least one processor, cause the terminal device to:

receive first configuration information from a network device, wherein the first configuration information comprises one or more of the following information:

receive beam indication information of the terminal device, reference signal (RS) sending and channel state information (CSI) feedback time offset indication information, RS function indication information, or beam sweeping method indication information; and

perform measurement and feedback based on the first configuration information;

wherein the receive beam indication information of the terminal device is at least one of a quasi-co-location (QCL) indicator, a resource index, or a synchronization block (SS) block index, and wherein the receive beam indication information of the terminal device is used to indicate a receive beam of the terminal device;

wherein the RS sending and CSI feedback time offset indication information is used to indicate time offset for sending one or more reference signals (RSs) and time offset for CSI feedback, wherein the time offset for sending one or more RSs is used to indicate a time interval between a configuration moment and a RS sending moment, and wherein the time offset for CSI feedback is used to indicate a time interval between a configuration moment and a CSI feedback moment;

wherein the RS function indication information is used to indicate the RS is used for channel state information measurement, interference measurement, or beam management, and wherein:

when the RS function indication information is a first value, the RS is used for interference measurement (IM);

when the RS function indication information is a second value, the RS is used for channel state measurement;

when the RS function indication information is a third value, the RS is used for beam management (BM); and

wherein the beam sweeping method indication information is resource set information and is used to indicate the beam sweeping method of the terminal device.

11. The terminal device according to claim 10 , wherein the RS sending and CSI feedback period indication information is one of the following information:

a quantity of orthogonal frequency division multiplexing (OFDM) symbols, a quantity of transmission time intervals (TTIs), a quantity of transmission time units (TTUs), number of slots, or a time.

12. The terminal device according to claim 10 , wherein the first configuration information further comprises RS activation or deactivation indication information, and wherein the RS activation or deactivation indication information is

a resource set index.

13. The terminal device according to claim 12 , wherein the RS activation or deactivation indication information indicates activation or deactivation of a resource set in a bitmap manner.

14. The terminal device according to claim 10 , wherein the RS sending and CSI feedback time offset indication information is one of the following information:

a quantity of OFDM symbols, a quantity of transmission time intervals TTIs, number of slots, or a time.

15. The terminal device according to claim 10 , wherein the program instructions, when executed by the at least one processor, further cause the terminal device to:

receive second configuration information from the network device, wherein the second configuration information comprises at least one of the following information: one or more resource settings, one or more reporting settings, or one or more links,

wherein each link of the one or more links is used to indicate a relationship between a resource setting and a reporting setting; and

wherein each resource setting comprises one or more resource sets.

16. The method according to claim 15 , wherein each resource set comprises one or more resources, and wherein each resource comprises at least one of the following information:

resource time-frequency information, resource index information, or a resource sending time-domain characteristic.

17. The method according to claim 15 , wherein the reporting setting is CSI RS resource index or reference signal reception power (RSRP), and wherein the reporting setting comprises at least one of the following information:

information used to indicate a reporting time-domain characteristic, information used to indicate a reporting frequency-domain granularity, a quantity to be measured, or information used to indicate a reporting type or content.

18. The terminal device according to claim 10 , wherein the first configuration information further comprises:

RS activation or deactivation indication information, wherein the RS activation or deactivation indication information is used to indicate activation and deactivation information of a resource set; and

RS sending and CSI feedback period indication information, wherein the RS sending and CSI feedback period indication information is used to indicate a sending period and CSI feedback period of a RS resource.

19. The terminal device according to claim 10 , wherein the program instructions, when executed by the at least one processor, further cause the terminal device to:

receive second configuration information, wherein:

the second configuration information comprises at least one of the following information: one or more resource settings, one or more reporting settings, or one or more links;

each link of the one or more links is used to indicate a relationship between a resource setting and a reporting setting;

each resource setting comprises one or more resource sets;

each resource set comprises one or more resources; and

each resource comprises at least one of the following information: resource time-frequency information, resource index information, or a resource sending time-domain characteristic;

receive the second configuration information from the network device by using layer one or layer two signaling.

20. The terminal device according to claim 10 , wherein the beam sweeping method indication information is scanning type information P 2 or P 3 .