Method for information transmission and method for parameter determination, communication device, and non-transitory computer-readable storage medium

1 . A method for information transmission, performed by a base station, comprising:

sending physical layer parameter information of a tracking reference signal (TRS) and/or a channel state information reference signal (CSI-RS), wherein the physical layer parameter information is used for indicating a first physical layer parameter used by a user equipment (UE) in a non-connected state when receiving the TRS and/or the CSI-RS to realize that the TRS and/or the CSI-RS are received in the non-connected state.

2 . The method according to claim 1 , wherein the first physical layer parameter comprises:

a quasi-colocation (QCL) parameter, wherein the QCL parameter is used for indicating a QCL relationship between the TRS and/or the CSI-RS and a synchronization signals block (SSB), and/or a QCL type; and/or,

an SCS parameter indicating a sub-carrier space (SCS).

3 . The method according to claim 2 , wherein sending physical layer parameter information of a TRS and/or a CSI-RS comprises at least one of:

sending a system message, wherein the system message carries the physical layer parameter information; or

sending a radio resource control (RRC) connection release message, wherein the RRC connection release message carries the physical layer parameter information.

4 . The method according to claim 3 , wherein sending an RRC connection release message comprises:

sending the RRC connection release message carrying the QCL parameter in response to the UE being released to a serving cell, wherein the QCL parameter is at least used for indicating an SSB of the serving cell having a QCL relationship with the TRS and/or the CSI-RS.

5 . The method according to claim 3 , wherein sending an RRC connection release message comprises:

sending the RRC connection release message carrying the QCL parameter in response to the UE being released to a second SSB frequency point, wherein the second SSB frequency point is different from a first SSB frequency point of a serving cell, and the QCL parameter is at least used for indicating an SSB of the second SSB frequency point having a QCL relationship with the TRS and/or the CSI-RS.

6 . A non-transitory computer-readable storage medium, with an executable program stored thereon, wherein, when the executable program is executed by a processor, steps of the method for information transmission according to claim 1 are implemented.

7 . A method for parameter determination, performed by a user equipment (UE), comprising:

determining, based on received physical layer parameter information of a tracking reference signal (TRS) and/or a channel state information reference signal (CSI-RS) and a frequency point to which the UE is released when transitioning from a connected state to a non-connected state, a first physical layer parameter used by the UE when in the non-connected state to receive the TRS and/or the CSI-RS to realize that the TRS and/or the CSI-RS are received in the non-connected state.

8 . The method according to claim 7 , wherein the first physical layer parameter comprises:

a quasi-colocation (QCL) parameter, wherein the QCL parameter is used for indicating a synchronization signals block (SSB) having a QCL relationship with the TRS and/or the CSI-RS, and/or a QCL type; and/or

an SCS parameter indicating a sub-carrier space (SCS).

9 . The method according to claim 8 , wherein the received physical layer parameter information of the TRS and/or the CSI-RS comprises:

physical layer parameter information carried in a received system message, and/or physical layer parameter information carried in a received radio resource control (RRC) connection release message.

10 . The method according to claim 9 , wherein determining, based on received physical layer parameter information of a TRS and/or a CSI-RS and a frequency point to which the UE is released when transitioning from a connected state to a non-connected state, a first physical layer parameter used by the UE when in the non-connected state to receive the TRS and/or the CSI-RS, comprises:

determining the QCL parameter based on the physical layer parameter information carried in the system message and/or the physical layer parameter information carried in the RRC connection release message in response to the UE being released to a serving cell, wherein the QCL parameter is at least used for indicating an SSB of the serving cell having a QCL relationship with the TRS and/or the CSI-RS.

11 . The method according to claim 10 , wherein determining the QCL parameter based on the physical layer parameter information carried in the system message and the physical layer parameter information carried in the RRC connection release message comprises:

selecting one of the physical layer parameter information carried in the system message and the physical layer parameter information carried in the RRC connection release message based on a priority of the physical layer parameter information carried in the system message and a priority of the physical layer parameter information carried in the RRC connection release message, and determining the QCL parameter.

12 . The method according to claim 9 , wherein determining, based on received physical layer parameter information of a TRS and/or a CSI-RS and a frequency point to which the UE is released when transitioning from a connected state to a non-connected state, a first physical layer parameter used by the UE when in the non-connected state to receive the TRS and/or the CSI-RS, comprises:

determining the QCL parameter based on the physical layer parameter information carried in the RRC connection release message in response to the UE being released to a second SSB frequency point, wherein the second SSB frequency point is different from a first SSB frequency point of a serving cell, and the QCL parameter is at least used for indicating an SSB of the second SSB frequency point having a QCL relationship with the TRS and/or the CSI-RS.

13 . The method according to claim 8 , further comprising at least one of:

determining the first physical layer parameter based on a second physical layer parameter used by the UE when in the connected state to receive the TRS and/or the CSI-RS in response to the UE being released to a serving cell; or

determining, in response to the UE being released to a second SSB frequency point, the first physical layer parameter based on an SSB detected by the UE at the second SSB frequency point, wherein the second SSB frequency point is different from a first SSB frequency point of a serving cell.

14 . The method according to claim 7 , wherein determining, based on received physical layer parameter information of a TRS and/or a CSI-RS and a frequency point to which the UE is released when transitioning from a connected state to a non-connected state, a first physical layer parameter used by the UE when in the non-connected state to receive the TRS and/or the CSI-RS, comprises:

determining the first physical layer parameter based on a second physical layer parameter used by the UE when in the connected state to receive the TRS and/or the CSI-RS in response to the UE being released to a serving cell and not receiving the physical layer parameter information.

15 . The method according to claim 7 , wherein determining, based on received physical layer parameter information of a TRS and/or a CSI-RS and a frequency point to which the UE is released when transitioning from a connected state to a non-connected state, a first physical layer parameter used by the UE when in the non-connected state to receive the TRS and/or the CSI-RS, comprises:

determining, in response to the UE being released to a second SSB frequency point and not receiving the physical layer parameter information, a QCL correspondence relationship based on an SSB detected by the UE at the second SSB frequency point, wherein the second SSB frequency point is different from a first SSB frequency point of a serving cell.

16 . A communication device, comprising a processor, a memory, and an executable program stored on the memory and capable of being run by the processor, wherein, when the processor runs the executable program, steps of the method for parameter determination according to claim 7 are performed.

17 . A non-transitory computer-readable storage medium, with an executable program stored thereon, wherein, when the executable program is executed by a processor, steps of the method for information transmission according to claim 7 are implemented.

18 . A communication device, comprising a processor, a memory, and an executable program stored on the memory and capable of being run by the processor, wherein the processor runs the executable program to perform:

sending physical layer parameter information of a tracking reference signal (TRS) and/or a channel state information reference signal (CSI-RS), wherein the physical layer parameter information is used for indicating a first physical layer parameter used by a user equipment (UE) in a non-connected state when receiving the TRS and/or the CSI-RS to realize that the TRS and/or the CSI-RS are received in the non-connected state.

19 . The communication device according to claim 18 , wherein the first physical layer parameter comprises:

a quasi-colocation (QCL) parameter, wherein the QCL parameter is used for indicating a QCL relationship between the TRS and/or the CSI-RS and a synchronization signals block (SSB), and/or a QCL type; and/or,

an SCS parameter indicating a sub-carrier space (SCS).

20 . The communication device according to claim 19 , wherein sending physical layer parameter information of a TRS and/or a CSI-RS comprises at least one of:

sending a system message, wherein the system message carries the physical layer parameter information; or

sending a radio resource control (RRC) connection release message, wherein the RRC connection release message carries the physical layer parameter information.