Method and device used in communication node for wireless communication
地域：
Shanghai
摘要
A method and a device used in communication nodes for wireless communications. A communication node receives a first signaling, the first signaling comprising a first flag, processes a first storage space according to the first flag; herein, the first signaling is an RRC signaling, and the first signaling is used for a conditional reconfiguration; the first signaling comprises a first configuration, the first configuration comprises at least one of a first index, or a first RRC configuration or a first condition; the first storage space stores at least one parameter set; any parameter set in the first storage space comprises a first field, a second field and a third field, the first field comprises a target index, the target index is a non-negative integer, the second field comprises a target RRC configuration. The present disclosure supports simultaneous CPC configurations of an MN and an SN.
說(shuō)明書
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This application claims the priority benefit of Chinese Patent Application No. 202011216816.X, filed on Nov. 4, 2020, the full disclosure of which is incorporated herein by reference.
The present disclosure relates to transmission methods and devices in wireless communication systems, and in particular to a transmission method and device of multi-connection.
During the formulation of 3rd Generation Partnership Project (3GPP) Release 16, mobility enhancement on New Radio (NR) and Long Term Evolution (LTE) has been completed to reduce interruption of data transmission during handover and improve handover robustness. Conditional PSCell Addition/Change (CPAC) was discussed in a Work Item (WI) of enhanced Dual Connection and Carrier Aggregation (eDCCA) and mobility enhancement, which was not completed due to time constraints. A WI of “further enhancement of Multi-Radio Dual-Connectivity (MR-DC)” of Release 17 was approved at RAN 86th plenary, which further researches the CPAC and supports some scenarios not involved in Release 16.
Both a Master Node (MN) and a Secondary Node (SN) can initiate Conditional PSCell Changes (CPCs), where execution conditions can be determined by the MN or the SN. Due to time constraints, 3GPP Release 16 is only designed for CPCs initiated by the SN not involving the MN, and when the SN and the MN configure the CPCs at the same time, there is no solution to coordinate the CPCs configured by the MN and the SN.
權(quán)利要求
What is claimed is:1. A first node for wireless communications, comprising:a first receiver, receiving a first signaling, the first signaling comprising a first flag, and processing a first storage space according to the first flag; the first receiver, when the first flag is set, updating a first target parameter set to a first parameter set; and when the first flag is not set, reserving the first target parameter set; wherein the first signaling is an RRC signaling, and the first signaling is used for a conditional reconfiguration; the first signaling comprises a first configuration, the first configuration comprises at least one of a first index, or a first RRC configuration or a first condition; the first storage space stores at least one parameter set; any parameter set in the first storage space comprises a first field, a second field and a third field, the first field comprises a target index, the target index is a non-negative integer, the second field comprises a target RRC configuration, and the third field comprises a target condition; the first target parameter set is a parameter set in the first storage space; a first field in the first target parameter set comprises a target index, and the target index is the same as the first index. 2. The first node according to claim 1 , comprising:the first receiver, when the first flag is set, deleting a parameter set in the first storage space, and adding a first parameter set in the first storage space according to the first configuration; wherein the first field, the second field and the third field in the first parameter set respectively comprise the first index, the first RRC configuration and the first condition. 3. The first node according to claim 1 , wherein any parameter set in the first storage space comprises a fourth field, and the fourth field indicates a configuration status of a parameter set to which it belongs. 4. The first node according to claim 3 , comprising:the first receiver, when the first flag is set and the fourth field in the first target parameter set is set to a first status, reserving the first target parameter set. 5. The first node according to claim 3 , comprising:the first receiver, when the first flag is set and the fourth field in the first target parameter set is set to a second status, updating the first target parameter set to a first parameter set. 6. The first node according to claim 3 , comprising:the first receiver, when the target condition indicated by the third field in a parameter set in the first storage space is satisfied, applying a target configuration indicated by the second field in the parameter set; as a response to establishing a connection with a target cell, clearing a given parameter set in the first storage space, and a status indicated by the fourth field in the given parameter set being the same as a status indicated by the fourth field in the parameter set; wherein the target condition and the target configuration are associated with the target cell. 7. The first node according to claim 1 , comprising:the first transmitter, transmitting a third signaling, the third signaling indicating that a parameter set in the first storage space is deleted. 8. A second-type node for wireless communications, comprising:a second-type transmitter, transmitting a first signaling, the first signaling comprising a first flag, a first storage being processed according to the first flag; when the first flag is set, a first target parameter set to a first parameter set is updated; and when the first flag is not set, the first target parameter set is reserved; wherein the first signaling is an RRC signaling, and the first signaling is used for a conditional reconfiguration; the first signaling comprises a first configuration, the first configuration comprises at least one of a first index, or a first RRC configuration or a first condition; the first storage space stores at least one parameter set; any parameter set in the first storage space comprises a first field, a second field and a third field, the first field comprises a target index, the target index is a non-negative integer, the second field comprises a target RRC configuration, and the third field comprises a target condition; the first target parameter set is a parameter set in the first storage space; a first field in the first target parameter set comprises a target index, and the target index is the same as the first index. 9. The second-type node according to claim 8 , comprising:a second-type receiver, receiving a third signaling, the third signaling indicating that a parameter set in the first storage space is deleted. 10. A method in a first node for wireless communications, comprising:receiving a first signaling, the first signaling comprising a first flag, processing a first storage space according to the first flag; when the first flag is set, updating a first target parameter set to a first parameter set; and when the first flag is not set, reserving the first target parameter set; wherein the first signaling is an RRC signaling, and the first signaling is used for a conditional reconfiguration; the first signaling comprises a first configuration, the first configuration comprises at least one of a first index, or a first RRC configuration or a first condition; the first storage space stores at least one parameter set; any parameter set in the first storage space comprises a first field, a second field and a third field, the first field comprises a target index, the target index is a non-negative integer, the second field comprises a target RRC configuration, and the third field comprises a target condition; the first target parameter set is a parameter set in the first storage space; a first field in the first target parameter set comprises a target index, and the target index is the same as the first index. 11. The method in a first node for wireless communications according to claim 10 , comprising:the first receiver, when the first flag is set, deleting a parameter set in the first storage space, and adding a first parameter set in the first storage space according to the first configuration; wherein the first field, the second field and the third field in the first parameter set respectively comprise the first index, the first RRC configuration and the first condition. 12. The method in a first node for wireless communications according to claim 10 , wherein any parameter set in the first storage space comprises a fourth field, and the fourth field indicates a configuration status of a parameter set to which it belongs. 13. The method in a first node for wireless communications according to claim 12 , comprising:the first receiver, when the first flag is set and the fourth field in the first target parameter set is set to a first status, reserving the first target parameter set. 14. The method in a first node for wireless communications according to claim 12 , comprising:the first receiver, when the first flag is set and the fourth field in the first target parameter set is set to a second status, updating the first target parameter set to a first parameter set. 15. The method in a first node for wireless communications according to claim 12 , comprising:the first receiver, when the target condition indicated by the third field in a parameter set in the first storage space is satisfied, applying a target configuration indicated by the second field in the parameter set; as a response to establishing a connection with a target cell, clearing a given parameter set in the first storage space, and a status indicated by the fourth field in the given parameter set being the same as a status indicated by the fourth field in the parameter set; wherein the target condition and the target configuration are associated with the target cell. 16. The first node according to claim 10 , comprising:transmitting a third signaling, the third signaling indicating that a parameter set in the first storage space is deleted. 17. A method in a second-type node for wireless communications, comprising:transmitting a first signaling, the first signaling comprising a first flag, a first storage being processed according to the first flag; when the first flag is set, a first target parameter set to a first parameter set is updated; and when the first flag is not set, the first target parameter set is reserved; wherein the first signaling is an RRC signaling, and the first signaling is used for a conditional reconfiguration; the first signaling comprises a first configuration, the first configuration comprises at least one of a first index, or a first RRC configuration or a first condition; the first storage space stores at least one parameter set; any parameter set in the first storage space comprises a first field, a second field and a third field, the first field comprises a target index, the target index is a non-negative integer, the second field comprises a target RRC configuration, and the third field comprises a target condition; the first target parameter set is a parameter set in the first storage space; a first field in the first target parameter set comprises a target index, and the target index is the same as the first index. 18. The method in a second-type node for wireless communications according to claim 17 , comprising:receiving a third signaling, the third signaling indicating that a parameter set in the first storage space is deleted.
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