Execution Condition Generation for Conditional PSCell Change
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Solution Overview
Problem
In telecommunications, existing Dual Connectivity (DC) systems require repeated negotiation for candidate cell preparation during Conditional PSCell Change (CPC) or Conditional PSCell Addition (CPA) procedures, leading to increased signaling overhead and resource consumption.
Innovation Solution
The proposed method generates and retains execution conditions for candidate cells, allowing direct subsequent conditional execution without re-negotiation after an initial cell change or addition, enabling efficient Subsequent Conditional PSCell Change (CPC) or Addition (CPA) by User Equipment (UE) when predefined conditions are met.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If repeated negotiation is performed for candidate cell preparation during Conditional PSCell Change or Addition procedures, then the system can ensure reliable cell selection, but signaling overhead and resource consumption increase
Solution Approach 1:
The network node prepares and stores execution conditions for candidate cells in advance during the initial Conditional PSCell Change or Addition procedure. These pre-prepared execution conditions include measurement criteria and configuration parameters that can be directly applied in subsequent conditional executions without requiring re-negotiation, thereby reducing signaling overhead while maintaining reliable cell selection.
2Adaptability or versatility
If repeated negotiation is performed for candidate cell preparation, then cell configuration can be updated, but resource consumption increases
Solution Approach 1:
The network node pre-preares and stores execution conditions including measurement criteria and configuration parameters during the initial procedure. These pre-prepared conditions enable the UE to directly execute subsequent conditional PSCell Change or Addition without re-negotiating with the network node, thereby maintaining configuration flexibility while significantly reducing resource consumption and energy usage.
3Adaptability or versatility
If repeated negotiation is performed for candidate cell preparation, then new cells can be selected, but time consumption increases
Solution Approach 1:
The network node prepares and stores execution conditions for candidate cells in advance during the initial Conditional PSCell Change or Addition procedure. These pre-prepared execution conditions are stored and can be directly applied in subsequent conditional executions when measurement events occur, eliminating the need for re-negotiation and significantly reducing procedure time while maintaining cell selection capability.
Solution Approach 2:
The UE continuously monitors execution conditions based on pre-configured measurement criteria. When a measurement event occurs and the execution condition is met, the UE can directly trigger the subsequent conditional execution using the pre-stored configuration, creating a feedback loop that enables rapid cell selection without time-consuming re-negotiation.
Data Source
AI summary
An execution condition generation method including: generating, by a candidate node or serving node, at least one execution condition used in a subsequent conditional execution, wherein the subsequent conditional execution is performed after a cell change or a cell addition, wherein the subsequent conditional execution is performed when at least one of the at least one execution condition is met.