CN-122002397-A - Communication method and device, and computer readable storage medium

Abstract

The application provides a communication method, a device and a computer readable storage medium, wherein the communication method comprises the steps of sending layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for layer 1/layer 2 triggered mobility LTM switching or layer 1 measurement reporting. The application provides a technical scheme for realizing parameter configuration in LTM switching so as to ensure the reasonability of layer 1 measurement parameters and improve the switching success rate.

Inventors

• XU MIN

Assignees

• 展讯通信（上海）有限公司

Dates

Publication Date

20260508

Application Date

20241101

Claims (20)

1. 1. A communication method applied to a distribution unit side, the communication method comprising: and transmitting layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for layer 1/layer 2 triggered mobility LTM switching or layer 1 measurement reporting.
2. 2. The communication method according to claim 1, wherein the layer 1 measurement parameters comprise at least one of: The method comprises the steps of switching a condition, a first condition or first information, wherein the switching condition is used for triggering condition LTM switching, the first condition is used for triggering advanced synchronization or timing advanced TA acquisition, and the first information is used for configuring layer 1 measurement reporting.
3. 3. The communication method according to claim 1 or 2, characterized in that the layer 1 measurement parameters comprise at least one of the following: Identification of a measurement event, a threshold of the measurement event, a hysteresis value of the measurement event, a trigger time of the measurement event, a bias value of the measurement event.
4. 4. The communication method according to claim 2, characterized by further comprising: Receiving layer 1 measurements; And sending a first command for triggering the terminal equipment to perform advanced synchronization in response to the layer 1 measurement result meeting the first condition.
5. 5. The communication method according to claim 1, characterized by further comprising: And receiving information of the candidate cell and/or a switching condition of the layer 3, wherein the information of the candidate cell and/or the switching condition of the layer 3 are used for determining the layer 1 measurement parameters.
6. 6. The communication method according to claim 5, wherein the information of the candidate cell includes an identification of the candidate cell, and the handover condition of the layer 3 includes at least one of an identification of a handover event, a threshold of the handover event, a hysteresis value of the handover event, a trigger time of the handover event, and a bias value of the handover event.
7. 7. The communication method according to any one of claims 1 to 6, characterized by further comprising: Receiving second information, wherein the second information indicates to adjust the layer 1 measurement parameters; and sending third information, wherein the third information indicates to confirm to adjust the layer 1 measurement parameters or deny to adjust the layer 1 measurement parameters.
8. 8. A communication method applied to a center unit side, the communication method comprising: and receiving layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for LTM switching or layer 1 measurement reporting.
9. 9. The communication method according to claim 8, wherein the layer 1 measurement parameters comprise at least one of: The method comprises the steps of switching a condition, a first condition or first information, wherein the switching condition is used for triggering condition LTM switching, the first condition is used for triggering advanced synchronization or TA acquisition, and the first information is used for configuring layer 1 measurement reporting.
10. 10. The communication method according to claim 8 or 9, wherein the layer 1 measurement parameters comprise at least one of: Identification of a measurement event, a threshold of the measurement event, a hysteresis value of the measurement event, a trigger time of the measurement event, a bias value of the measurement event.
11. 11. The communication method according to claim 8, further comprising: And sending information of the candidate cell and/or a switching condition of the layer 3, wherein the information of the candidate cell and/or the switching condition of the layer 3 are used for determining the layer 1 measurement parameters.
12. 12. The communication method according to any one of claims 8 to 11, characterized by further comprising: Transmitting second information, wherein the second information indicates to adjust the layer 1 measurement parameters; third information is received, the third information indicating that adjustment of the layer 1 measurement parameters is confirmed or that adjustment of the layer 1 measurement parameters is denied.
13. 13. The communication method according to claim 8, further comprising: And sending the layer 1 measurement parameters to terminal equipment.
14. 14. A communication method, characterized by being applied to a terminal device side, comprising: and receiving layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for LTM switching or layer 1 measurement reporting.
15. 15. The communication method according to claim 14, wherein the layer 1 measurement parameters comprise at least one of: The method comprises the steps of switching a condition, a first condition or first information, wherein the switching condition is used for triggering LTM switching, the first condition is used for triggering advanced synchronization or TA acquisition, and the first information is used for configuring layer 1 measurement reporting.
16. 16. The communication method according to claim 15, further comprising: According to the first information transmitting layer 1 measurement result, or And switching from a source cell to a target cell, wherein the signal quality of the source cell and/or the target cell meets the switching condition.
17. 17. A communication apparatus, characterized by being applied to a distribution unit side, comprising: And the communication module is used for sending layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for LTM switching or layer 1 measurement reporting.
18. 18. A communication device, characterized by being applied to a center unit side, comprising: And the communication module is used for receiving layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for LTM switching or layer 1 measurement reporting.
19. 19. A communication apparatus, characterized by being applied to a terminal device side, comprising: And the communication module is used for receiving layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for LTM switching or layer 1 measurement reporting.
20. 20. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, performs the steps of the communication method of any one of claims 1 to 7, or performs the steps of the communication method of any one of claims 8 to 13, or performs the steps of the communication method of any one of claims 14 to 16.

Description

Communication method and device, and computer readable storage medium Technical Field The present application relates to the field of communications technologies, and in particular, to a communications method and apparatus, and a computer readable storage medium. Background The access network in the latest communication system splits the next generation node B (the next generationNodeB, gNB) into a central Unit or a Centralized Unit (CU) and a Distributed Unit (DU), which are connected through an F1 interface. In the prior art, layer1/Layer2 triggered mobility (Layer 1/Layer2-TRIGGERED MOBILITY, LTM) handover is that a central unit configures candidate target cells for terminal devices in advance, a distribution unit issues an LTM handover command to a terminal, and the terminal devices are preconfigured based on the LTM handover command indication and radio resource control (Radio Resource Control, RRC) and switch to the target cells. However, introducing an improper setting of the parameters related to layer 1 measurement after reporting the event based on layer 1 measurement will reduce the success rate of LTM handover. How to improve the success rate of LTM handover is a technical problem to be solved. Disclosure of Invention The application provides a communication method and a communication device, and provides a technical scheme for realizing parameter configuration in LTM switching so as to improve the switching success rate. In order to achieve the above purpose, the present application provides the following technical solutions: In a first aspect, a communication method is provided and applied to a distributed unit side, and the communication method comprises the step of sending layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for layer 1/layer 2 triggered mobility LTM switching or layer 1 measurement reporting. Optionally, the layer 1 measurement parameter includes at least one of a switching condition, a first condition or first information, where the switching condition is used to trigger a conditional LTM switch, the first condition is used to trigger advanced synchronization or TA acquisition, and the first information is used to configure layer 1 measurement reporting. Optionally, the layer 1 measurement parameters include at least one of an identification of a measurement event, a threshold of a measurement event, a hysteresis value of a measurement event, a trigger time of a measurement event, a bias value of a measurement event. Optionally, the communication method further comprises the steps of receiving a layer 1 measurement result, and responding to the layer 1 measurement result to meet the first condition, sending a first command, wherein the first command is used for triggering the terminal equipment to perform advanced synchronization. Optionally, the communication method further comprises receiving information of a candidate cell and/or a handover condition of layer 3, wherein the information of the candidate cell and/or the handover condition of layer 3 are used for determining the layer 1 measurement parameter. Optionally, the information of the candidate cell comprises the identification of the candidate cell, and the switching condition of the layer 3 comprises at least one of the identification of a switching event, a threshold of the switching event, a hysteresis value of the switching event, a triggering time of the switching event and a bias value of the switching event. Optionally, the communication method further comprises the steps of receiving second information, wherein the second information indicates to adjust the layer 1 measurement parameters, and sending third information, wherein the third information indicates to confirm to adjust the layer 1 measurement parameters or deny to adjust the layer 1 measurement parameters. In a second aspect, a communication method is provided and applied to a central unit side, and the communication method comprises the step of receiving layer 1 measurement parameters, wherein the layer 1 measurement parameters are used for LTM switching or layer 1 measurement reporting. Optionally, the layer 1 measurement parameter includes at least one of a switching condition, a first condition or first information, where the switching condition is used to trigger a conditional LTM switch, the first condition is used to trigger advanced synchronization or TA acquisition, and the first information is used to configure layer 1 measurement reporting. Optionally, the layer 1 measurement parameters include at least one of an identification of a measurement event, a threshold of a measurement event, a hysteresis value of a measurement event, a trigger time of a measurement event, a bias value of a measurement event. Optionally, the communication method further comprises sending information of the candidate cell and/or a handover condition of layer 3, wherein the information of the candidate cell and/or the handover c