Terminal PSCell Access Key Determination
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Solution Overview
Problem
Current communication technologies face excessive configuration overheads due to the need for repeated reconfiguration of Conditional Primary Secondary Cell (CPAC) configurations in terminals after each CPAC process.
Innovation Solution
A method and apparatus for cell change processing in terminals, where a terminal evaluates a first cell based on a stored configuration, uses the cell as a target Primary Secondary Cell (PSCell) if it meets a condition, and determines a target key for accessing the PSCell, reducing the need for frequent network-side reconfigurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the network side reconfigures the CPAC configuration for the terminal each time CPAC needs to continue, then the terminal can access the target PSCell, but excessive configuration overheads are caused
Solution Approach 1:
The network side pre-configures multiple candidate PSCells with their respective configuration parameters (including target keys) before the terminal needs to perform CPAC. The terminal stores these configurations locally and can directly select and access a target PSCell from the pre-configured candidates without requiring real-time network reconfiguration, thus reducing configuration overhead while ensuring reliable access
Solution Approach 2:
The system dynamically allows the terminal to select different target PSCells from the pre-configured candidate list based on current conditions (such as cell quality measurements), rather than requiring static reconfiguration from the network side each time. This dynamic selection capability reduces network signaling overhead while maintaining flexible and reliable access
Data Source
AI summary
A cell change processing method, a key determining method, an apparatus, and a device. The cell change processing method includes: in a case that a first cell meets a first condition, using, by a terminal, the first cell as a target PSCell of the terminal; and determining, by the terminal based on the first configuration, a target key for accessing the target PSCell, where the first configuration is associated with a candidate PSCell, the candidate PSCell includes the first cell, and the first configuration includes at least one of a CPC configuration or a CPA configuration.