Terminal Device Conditional Handover Evaluation Task Management
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Solution Overview
Problem
The existing conditional handover mechanism in communication systems leads to inefficient handover condition evaluation tasks for terminal devices, as they constantly execute these tasks based on stored configuration information, even when it is unnecessary, resulting in increased power consumption and reduced efficiency.
Innovation Solution
A communication method where a terminal device starts or skips the handover condition evaluation task based on specific conditions, such as receiving a reconfiguration message or succeeding/failing in handover to a target cell, to determine whether to evaluate conditional handover events, thereby reducing unnecessary evaluations and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the terminal device constantly executes the handover condition evaluation task based on stored conditional handover configuration information, then the handover robustness is improved, but the power consumption increases and execution efficiency decreases
Solution Approach 1:
The terminal device executes the handover condition evaluation task periodically based on triggering events (receiving reconfiguration message, handover success/failure) rather than constantly. This periodic execution triggered by specific events reduces unnecessary evaluations while maintaining handover robustness when needed.
Solution Approach 2:
The terminal device autonomously determines whether to execute the handover condition evaluation task based on stored configuration information and current conditions (receiving reconfiguration message, handover success/failure). This self-service mechanism allows the device to independently optimize power consumption without continuous network control.
2Reliability
If the terminal device constantly executes the handover condition evaluation task, then the handover robustness is improved, but the execution efficiency deteriorates
Solution Approach 1:
The evaluation task is executed periodically based on triggering events rather than continuously. This event-driven periodic execution improves execution efficiency by eliminating redundant evaluations while maintaining handover robustness through timely evaluations at critical moments.
Solution Approach 2:
The patent extracts the essential triggering events (receiving reconfiguration message, handover success/failure) from the continuous execution process. By taking out only the necessary evaluation points, the system maintains robustness while significantly improving execution efficiency.
3Adaptability or versatility
If the terminal device executes unnecessary handover condition evaluations, then the handover coverage is maintained, but the resource consumption increases
Solution Approach 1:
The evaluation task is triggered periodically by specific events rather than executed continuously. This approach maintains handover coverage by evaluating at critical moments while reducing resource consumption by avoiding unnecessary evaluations during stable conditions.
Solution Approach 2:
The system changes the execution parameter from continuous to event-triggered periodic execution. This parameter change maintains adequate handover coverage by evaluating at meaningful moments while significantly reducing resource consumption through conditional execution.
Data Source
AI summary
A communication method, a terminal device, and a network device are provided. The method includes: If a first condition is met, a terminal device starts a handover condition evaluation task related to conditional handover; and/or if a second condition is met, the terminal device stops or skips starting the handover condition evaluation task related to the conditional handover. The handover condition evaluation task related to the conditional handover is used to evaluate whether a conditional handover event associated with a first conditional handover target cell is met. The first conditional handover target cell is one of at least one conditional handover target cell corresponding to conditional handover configuration information configured by the network device. The conditional handover configuration information configured by the network device includes configuration information corresponding to the at least one conditional handover target cell.