Mobility Level Control Device for Dynamic Idle Mode Adaptation
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Solution Overview
Problem
Existing mobility level control systems for user devices in idle mode are inflexible, as they fix mobility levels for each device, leading to suboptimal quality of service when the actual movement state of the user device changes, such as from low to high movement frequency.
Innovation Solution
A mobility level control device and method that dynamically selects a suitable mobility level based on the user device's movement state, using a movement state acquisition section, a mobility level selector, and a notification section to adjust mobility levels in real-time, allowing for changes from one level to another as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If one mobility level is fixedly set for each user device based on device type, then device complexity is reduced and ease of operation is improved, but adaptability deteriorates when the actual movement state changes
Solution Approach 1:
The patent implements dynamic mobility level adjustment by transitioning from fixed mobility levels to dynamically determined ones. The network device continuously acquires movement state information (location, speed, direction) and adjusts the mobility level accordingly, allowing the system to adapt to changing movement conditions while maintaining automated operation.
Solution Approach 2:
The patent establishes a feedback mechanism where the network device acquires movement state information from the user device, determines the appropriate mobility level based on this feedback, and notifies the user device of the updated mobility level. This closed-loop feedback system ensures the mobility level always matches the actual movement state.
2Adaptability or versatility
If mobility level is dynamically adjusted based on movement state, then adaptability is improved, but device complexity and management load increase
Solution Approach 1:
The user device autonomously measures its own movement state parameters (location, speed, direction) and reports them to the network device. This self-service approach reduces the need for complex network-side monitoring infrastructure, as each device independently provides its own movement data for mobility level determination.
Solution Approach 2:
The network device performs multiple functions: it manages mobility levels, acquires movement state information, determines appropriate mobility levels based on predefined criteria, and notifies user devices. This multi-functionality consolidates control operations into a single entity, reducing overall system complexity despite the dynamic nature of mobility level adjustment.
3Reliability
If mobility level is fixed for user device, then management load is reduced, but quality of service deteriorates when movement state changes
Solution Approach 1:
The patent changes the mobility level parameter based on movement state parameters. When movement state changes (location, speed, or direction exceed thresholds), the mobility level parameter is adjusted accordingly. This parameter-based control ensures quality of service matches actual movement conditions while maintaining efficient automated management through predefined adjustment criteria.
Data Source
AI summary
An MS 300 controls a mobility level (IMM) of user device in an idle mode depending on a movement; state of the user device. The ME 300 includes a movement state acquisition section 320 that acquires the movement state of the user device, a mobility level selector 330 chat selects a mobility level out of the multiple mobility levels based on the movement state of the user device acquired by the movement state acquisition section 320, and a mobility level notification section 340 that notifies the user device of the mobility level selected by the mobility level selector 330.