Multi-Server Terminal Monitoring Timer Configuration
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Solution Overview
Problem
Existing technical specifications do not specify how to handle multiple configurations of monitoring events and network parameters for terminal devices, leading to inconsistent setting of periodic tracking area update timers and active times, and result in endless loops due to lack of cancellation reasons.
Innovation Solution
A method and apparatus for a subscriber management node to determine multiple first parameters from servers, calculate a second parameter to satisfy these requirements, and manage monitoring events and network configurations, including providing cancellation requests to prevent endless loops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple monitoring configurations are allowed to coexist in the terminal device, then the adaptability and versatility of the system is improved, but the device complexity increases due to multiple periodic tracking area update timers and active times being managed simultaneously
Solution Approach 1:
The patent segments the multiple monitoring configurations into separate monitoring events, each with its own periodic tracking area update timer and active time. This allows different servers to have independent monitoring configurations without interfering with each other, resolving the contradiction by organizing complexity into structured segments while maintaining flexibility.
Solution Approach 2:
The patent introduces dynamic cancellation mechanisms where the network can cancel monitoring events based on changing conditions. This dynamic management allows the system to adapt to new requirements while managing complexity by removing unnecessary configurations, enabling the system to maintain simplicity when needed while providing versatility when required.
2Reliability
If the network provides cancellation reasons for monitoring events, then the reliability of the system is improved by preventing endless loops, but the loss of information increases due to additional cancellation indication messages being transmitted
Solution Approach 1:
The patent implements feedback mechanisms where the network provides cancellation reasons to servers when monitoring events need to be terminated. This feedback loop prevents endless loops by informing servers why their monitoring events are being cancelled, allowing them to adjust their behavior accordingly and avoid continuous re-subscription attempts.
Solution Approach 2:
The patent selectively discards cancellation information in certain scenarios where it is not needed, such as when the cancellation is due to network-side policy changes or resource constraints. This selective discarding reduces the information overhead while maintaining reliability by keeping cancellation reasons in cases where they are necessary for loop prevention.
3Device complexity
If the subscriber management node determines and applies a single second parameter from multiple first parameters, then the device complexity is reduced by having unified timer settings, but the adaptability decreases because the system cannot simultaneously optimize for multiple different monitoring requirements
Solution Approach 1:
The patent segments the parameter determination process by maintaining separate periodic tracking area update timers and active times for different monitoring events. Each event can have its parameters optimized independently based on its specific requirements, allowing the system to satisfy multiple monitoring requirements simultaneously while managing complexity through structured separation.
Solution Approach 2:
The patent applies local quality by allowing different parameter values for different monitoring events based on their specific requirements. Each monitoring event can have locally optimized parameters (different timers, active times) tailored to its specific monitoring needs, rather than applying a uniform parameter set, thus maintaining adaptability while managing overall system complexity.
Data Source
AI summary
Methods and apparatuses for configuration of monitoring for terminal device are disclosed. According to an embodiment, a subscriber management node determines multiple first parameters which are provided from one or more servers and indicate requirements for monitoring a same terminal device. The subscriber management node determines, based on the multiple first parameters, a second parameter which is to be applied to the same terminal device to satisfy the requirements indicated by the multiple first parameters.