Beam measurement method, network-side device, terminal device, and storage medium

1. A beam measurement method, comprising:

sending, by a network-side device, configuration information to a terminal device, wherein the configuration information comprises information related to channel state information-reference signal (CSI-RS) resources that are used for beam measurement on an unlicensed frequency band (UFB); and

sending, by the network-side device, a CSI-RS resource to the terminal device based on the configuration information, so that the terminal device performs beam measurement on the UFB based on the configuration information and the CSI-RS resource, wherein an average of at least one measurement result of one CSI-RS resource is used by the terminal device as a final beam measurement result of the CSI-RS resource, or one measurement result selected from the at least one measurement result is used by the terminal device as the final beam measurement result of the CSI-RS resource,

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: the CSI-RS resource has at least one slot offset, wherein the CSI-RS resource belongs to a CSI-RS resource set; or

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource; or

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: the at least one CSI-RS resource is associated with one tracking reference signal (TRS) resource.

2. The method according to claim 1 , wherein in case that the CSI-RS resource has at least one slot offset, the information related to CSI-RS resources that are used for beam measurement on a UFB further comprises:

a time-domain transmission mode of the CSI-RS resource, and

wherein the time domain transmission mode of the CSI-RS resource is any one of the following modes:

a periodic mode, an aperiodic mode, and a semi-persistent mode.

3. The method according to claim 2 , wherein the time domain transmission mode of the CSI-RS resource is the semi-persistent mode, and the method further comprises:

sending, by the network-side device, a media access control (MAC) control element (CE) command to the terminal device, so that the terminal device activates the CSI-RS resource according to the MAC CE command; or

wherein the time domain transmission mode of the CSI-RS resource is the aperiodic mode, and the method further comprises:

sending, by the network-side device, physical layer signaling to the terminal device to trigger the CSI-RS resource set.

4. The method according to claim 3 , wherein the sending, by the network-side device, physical layer signaling to the terminal device to trigger the CSI-RS resource set to which the CSI-RS resource belongs comprises:

sending, by the network-side device, group common downlink control information (DCI) or an uplink grant (UL-grant) signaling field to the terminal device to trigger the CSI-RS resource set to which the CSI-RS resource belongs.

5. The method according to claim 4 , wherein the DCI comprises:

a signaling field used to trigger the aperiodic CSI-RS resource.

6. The method according to claim 1 , wherein in case that the at least one CSI-RS resource is associated with one SSB resource, that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is in a same discovery reference signal DRS slot as the SSB resource.

7. The method according to claim 1 , wherein in case that the at least one CSI-RS resource is associated with one SSB resource, the sending, by the network-side device, the CSI-RS resource to the terminal device based on the configuration information comprises:

sending, by the network-side device, the SSB resource and the CSI-RS resource associated with the SSB resource to the terminal device, and

wherein the sending, by the network-side device, the SSB resource and the CSI-RS resource associated with the SSB resource to the terminal device comprises:

if the at least one CSI-RS resource uses a same listen before talk (LBT) measurement result as the SSB resource and the LBT measurement result is that a current channel state is idle, sending, by the network-side device, the SSB resource and the CSI-RS resource associated with the SSB resource to the terminal device.

8. The method according to claim 1 , wherein in case that the at least one CSI-RS resource is associated with one SSB resource, the SSB resource comprises a primary synchronization signal (PSS) and a secondary synchronization signal SSS; and

that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on another resource element RE of a symbol on which the PSS or the SSS is located; or the at least one CSI-RS resource is located on an RE on which an original physical broadcast channel (PBCH) in the SSB resource is located; or the at least one CSI-RS resource is located on another RE of a symbol on which an original PBCH in the SSB resource is located;

or,

wherein that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on another RE of a symbol on which the SSB resource is located;

or,

wherein there is another downlink symbol after the SSB resource in a slot in which the SSB resource is located; and

that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on the another downlink symbol, or the at least one CSI-RS resource is located on a downlink symbol in another slot after the slot in which the SSB resource is located;

or,

wherein there is no other downlink symbol after the SSB resource in a slot in which the SSB resource is located; and

that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on a downlink symbol in another slot after the slot in which the SSB resource is located.

9. The method according to claim 1 , wherein in case that the at least one CSI-RS resource is associated with one TRS resource, the information related to CSI-RS resources that are used for beam measurement on a UFB further comprises that:

the TRS resource is located on a same symbol as one SSB resource, or the TRS resource is associated with one SSB resource and the TRS resource and the SSB resource are located on different symbols.

10. The method according to claim 1 , wherein a sub-time unit in the configuration information is less than one symbol.

11. A network-side device, comprising: a memory, a processor, and a program that is stored in the memory and capable of running on the processor, wherein when executing the program, the processor is configured to:

send configuration information to a terminal device, wherein the configuration information comprises information related to channel state information-reference signal (CSI-RS) resources that are used for beam measurement on an unlicensed frequency band (UFB); and

send a CSI-RS resource to the terminal device based on the configuration information, so that the terminal device performs beam measurement on the UFB based on the configuration information and the CSI-RS resource, wherein an average of at least one measurement result of one CSI-RS resource is used by the terminal device as a final beam measurement result of the CSI-RS resource, or one measurement result selected from the at least one measurement result is used by the terminal device as the final beam measurement result of the CSI-RS resource,

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: the CSI-RS resource has at least one slot offset, wherein the CSI-RS resource belongs to a CSI-RS resource set; or

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource; or

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: the at least one CSI-RS resource is associated with one tracking reference signal (TRS) resource.

12. A beam measurement method, comprising:

receiving configuration information and a channel state information-reference signal (CSI-RS) resource from a network-side device, wherein the configuration information comprises information related to CSI-RS resources that are used for beam measurement on an unlicensed frequency band (UFB); and

performing beam measurement on the UFB based on the configuration information and the CSI-RS resource,

wherein the method further comprises:

using an average of at least one measurement result of one CSI-RS resource as a final beam measurement result of the CSI-RS resource, or select one measurement result from the at least one measurement result as the final beam measurement result of the CSI-RS resource,

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: the CSI-RS resource has at least one slot offset, wherein the CSI-RS resource belongs to a CSI-RS resource set; or

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource; or

wherein the information related to CSI-RS resources that are used for beam measurement on a UFB comprises that: the at least one CSI-RS resource is associated with one tracking reference signal (TRS) resource.

13. The beam measurement method according to claim 12 , wherein in case that the CSI-RS resource has at least one slot offset, the information related to CSI-RS resources that are used for beam measurement on the UFB further comprises:

a time-domain transmission mode of the CSI-RS resource, and

wherein the time domain transmission mode of the CSI-RS resource is any one of the following modes:

a periodic mode, an aperiodic mode, and a semi-persistent mode.

14. The beam measurement method according to claim 12 , wherein that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is in a same discovery reference signal DRS slot as the SSB resource.

15. The beam measurement method according to claim 12 , wherein in case that the at least one CSI-RS resource is associated with one SSB resource, the SSB resource comprises a primary synchronization signal (PSS) and a secondary synchronization signal SSS; and

that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on another resource element RE of a symbol on which the PSS or the SSS is located; or the at least one CSI-RS resource is located on an RE on which an original physical broadcast channel (PBCH) in the SSB resource is located; or the at least one CSI-RS resource is located on another RE of a symbol on which an original PBCH in the SSB resource is located;

or,

wherein that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on another RE of a symbol on which the SSB resource is located;

or,

wherein there is another downlink symbol after the SSB resource in a slot in which the SSB resource is located; and

that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on the another downlink symbol, or the at least one CSI-RS resource is located on a downlink symbol in another slot after the slot in which the SSB resource is located;

or,

wherein there is no other downlink symbol after the SSB resource in a slot in which the SSB resource is located; and

that at least one CSI-RS resource is associated with one synchronization signal block (SSB) resource comprises that:

the at least one CSI-RS resource is located on a downlink symbol in another slot after the slot in which the SSB resource is located.

16. The beam measurement method according to claim 12 , wherein in case that the at least one CSI-RS resource is associated with one TRS resource, the information related to CSI-RS resources that are used for beam measurement on a UFB further comprises that:

the TRS resource is located on a same symbol as one SSB resource, or the TRS resource is associated with one SSB resource and the TRS resource and the SSB resource are located on different symbols.

17. The beam measurement method according to claim 12 , wherein a sub-time unit in the configuration information is less than one symbol.

18. A terminal device, comprising a memory, a processor, and a program that is stored in the memory and capable of running on the processor, wherein

when the processor executes the program, the processor is configured to perform steps of the beam measurement method according to claim 12 .