CN-122002395-A - Communication method, communication node and storage medium for primary and secondary cells

Abstract

The application provides a communication method, a communication node and a storage medium for a primary cell and a secondary cell. The method comprises the steps of receiving indication signaling, wherein the indication signaling contains information about a primary cell and a secondary cell, the primary cell and the secondary cell comprise at least one of the primary cell and the secondary cell, and executing operation about the primary cell and the secondary cell according to the indication signaling.

Inventors

• DAI JIANQIANG
• DAI BO
• CHEN MENGZHU
• XU JUN

Assignees

• 中兴通讯股份有限公司

Dates

Publication Date

20260508

Application Date

20241101

Claims (20)

1. 1. A communication method regarding a primary and secondary cell, applied to a first communication node, comprising: receiving indication signaling, wherein the indication signaling contains information about a primary cell and a secondary cell, and the primary cell and the secondary cell comprise at least one of the primary cell and the secondary cell; And executing the operation about the primary and secondary cells according to the indication signaling.
2. 2. The method of claim 1, wherein the operation with respect to the secondary cell comprises at least one of: radio resource control, RRC, connection re-establishment; RRC connection handover; The first communication node and the base station are in RRC connection with the primary cell and become in RRC connection with the secondary cell; The primary cell connection fails; The primary cell operation is not performed; The auxiliary cell becomes a main cell and executes main cell operation; an RRC connection is established with the base station.
3. 3. The method of claim 1, wherein the indication signaling comprises medium access control element MAC CE signaling or RRC signaling sent by the primary cell or secondary cell.
4. 4. A method according to claim 3, wherein performing operations with respect to a secondary cell in accordance with the indication signaling comprises: after a period of time after the point in time of receiving the MAC CE signaling or the RRC signaling, performing the operation on the secondary cell, or The operation on the secondary cell is performed in case of receiving MAC CE signaling or RRC signaling and triggered by an event.
5. 5. A method according to claim 3, wherein performing operations with respect to the primary and secondary cells in accordance with the indication signaling comprises: The operation on the secondary cell is performed in a case where a new MAC signaling or RRC signaling is not received before a period of time after a point of time when the MAC CE signaling or RRC signaling is received ends.
6. 6. The method of claim 1, wherein the step of determining the position of the substrate comprises, Operation with respect to a primary cell, comprising at least one of: performing radio resource management measurement and transmitting a measurement report; Transmitting a random access message at a corresponding random access opportunity resource; Scheduling the main cell, and mixing automatic retransmission request acknowledgement information HARQ-ACK feedback behavior; Carrier activation behavior of the original primary cell.
7. 7. The method of claim 6, wherein the step of providing the first layer comprises, The first communication node sends the RRM measurement report at the time point when the secondary cell becomes the primary cell, or The time point when the first communication node transmits the physical random access channel PRACH is the time point when the secondary cell becomes the primary cell.
8. 8. The method of claim 1, wherein the operation with respect to the primary cell comprises at least one of: And switching from a first main cell to a second main cell, wherein the first communication node is connected with the auxiliary cell.
9. 9. The method of claim 1, wherein the operation of the secondary cell comprises at least one of: Disconnecting the connection with the secondary cell or failing the connection of the secondary cell; And activating the secondary cell in the process of establishing the RRC connection with the second primary cell.
10. 10. The method according to any of claims 1-9, wherein the first communication node is in a connected state, the first communication node being connected to a primary cell and a secondary cell, respectively.
11. 11. The method of claim 1, wherein performing operations with respect to the primary and secondary cells in accordance with the indication signaling comprises: And executing the operation of the primary and secondary cells in the cell group corresponding to the primary cell according to the MAC CE signaling or the RRC signaling.
12. 12. The method of claim 11, wherein the primary and secondary cell operations comprise: Adding or deleting a virtual main cell in a cell group corresponding to the main cell; Primary and secondary cell operation includes activating or deactivating a primary cell in a cell group.
13. 13. The method as recited in claim 12, further comprising: sending an activation request of the virtual cell to a second communication node; The transmitting the activation request of the virtual cell comprises transmitting at least one of PRACH, physical uplink shared channel PUSCH, physical uplink control channel PUCCH and sounding reference signal SRS.
14. 14. The method according to claim 11, characterized in that the indication signaling is used to instruct the first communication node to dynamically select a primary cell within a cell group.
15. 15. The method of claim 11, comprising one of: under the condition that the Radio Link Failure (RLF) or beam failure of at least two main cells of the cell group fails, recovering 1 main cell radio link connection through a random access channel; Dynamically selecting a main cell random access based on a downlink measurement result under the condition that RLF or beam faults are detected; And under the condition of desynchronization, selecting a main cell which is desynchronized to carry out random access.
16. 16. The method of claim 11, wherein the primary cell operation comprises at least one of: Channel monitoring and reporting of the main cell are executed, and the channel monitoring of the main cell in the cell group is executed; performing channel monitoring of the primary cell, cell measurement of the candidate primary cell; cell measurements outside the primary cell group are performed.
17. 17. A communication method regarding a primary and secondary cell, applied to a second communication node, comprising: And sending an indication signaling to the first communication node, wherein the indication signaling contains information about a primary cell and a secondary cell, the primary cell and the secondary cell comprise at least one of the primary cell and the secondary cell, and the indication signaling is used for indicating the first communication node to execute operations about the primary cell and the secondary cell.
18. 18. The method of claim 17, wherein the operation with respect to the secondary cell comprises at least one of: radio resource control, RRC, connection re-establishment; RRC connection handover; The first communication node and the base station are in RRC connection with the primary cell and become in RRC connection with the secondary cell; The primary cell connection fails; The primary cell operation is not performed; The auxiliary cell becomes a main cell and executes main cell operation; An RRC connection is established with the terminal.
19. 19. The method of claim 17, wherein the indication signaling comprises medium access control element MAC CE signaling or RRC signaling sent by the primary cell or secondary cell.
20. 20. The method of claim 19, wherein the indication signaling is used to instruct the first communication node to perform the operation with respect to the secondary cell after a period of time after a point in time of receiving the MAC CE signaling or the RRC signaling, or to perform the operation with respect to the secondary cell if the MAC CE signaling or the RRC signaling is received and triggered by an event.

Description

Communication method, communication node and storage medium for primary and secondary cells Technical Field The present application relates to the field of wireless communication technologies, and for example, to a communication method, a communication node, and a storage medium related to a primary cell and a secondary cell. Background For carrier aggregation (Carrier Aggregation, CA), multiple carrier co-operation is involved, where a primary carrier may carry signaling and manage other carriers, corresponding to the primary cell (PRIMARY CELL, PCell), and a secondary carrier may be used to extend the bandwidth enhancement rate, which may be decided by the primary carrier when to add and delete, corresponding to the secondary cell (Secondary ell, SCell). How to enhance CA in the next generation communication network, how to fully utilize the resources of Secondary Cel (SCell) to achieve energy efficiency improvement is a problem to be solved. Disclosure of Invention The application provides a communication method, a communication node and a storage medium for a primary cell and a secondary cell. The embodiment of the application provides a communication method about a primary cell and a secondary cell, which is applied to a first communication node and comprises the following steps: receiving indication signaling, wherein the indication signaling contains information about a primary cell and a secondary cell, and the primary cell and the secondary cell comprise at least one of the primary cell and the secondary cell; And executing the operation about the primary and secondary cells according to the indication signaling. The embodiment of the application also provides a communication method about the primary and secondary cells, which is applied to the second communication node and comprises the following steps: And sending an indication signaling to the first communication node, wherein the indication signaling contains information about a primary cell and a secondary cell, the primary cell and the secondary cell comprise at least one of the primary cell and the secondary cell, and the indication signaling is used for indicating the first communication node to execute operations about the primary cell and the secondary cell. The embodiment of the application also provides a communication node which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the communication method related to the primary and secondary cells when executing the program. The embodiment of the application also provides a computer readable storage medium, and a computer program is stored on the computer readable storage medium, and when the program is executed by a processor, the communication method about the primary and secondary cells is realized. Drawings Fig. 1 is a flowchart of a communication method related to a primary and secondary cell according to an embodiment; fig. 2 is a flowchart of another communication method related to a primary and secondary cell according to an embodiment; fig. 3 is a schematic diagram of a flow of receiving RRC or MAC CE signaling according to an embodiment; fig. 4 is a schematic diagram of another flow of receiving RRC or MAC CE signaling according to an embodiment; Fig. 5 is a schematic structural diagram of a communication device related to a primary and secondary cell according to an embodiment; Fig. 6 is a schematic structural diagram of another communication device related to a primary and secondary cell according to an embodiment; Fig. 7 is a schematic hardware structure of a communication node according to an embodiment. Detailed Description The application is described below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting thereof. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. Regarding carrier aggregation, in-band (intra-band) or inter-band (inter-band) application scenarios are possible, and the coverage of the two serving cells (SERVING CELL), i.e. the primary and secondary cells, are not restricted. For convenience of description, in the embodiment of the present application, it may be assumed that coverage of the PCell and the SCell are the same. Wherein the PCell may be responsible for initial access by a first communication node, such as a UE, and radio resource control (Radio Resource Control, RRC) communication with the UE, and the SCell may be added upon RRC reconfiguration for providing additional radio resources. Communication between a first communication node (e.g., UE) and