Variable Measurement Time Periods for Wireless Signal Accuracy
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Solution Overview
Problem
Wireless access nodes face inefficiencies in accurately measuring signal strength due to inadequate Time-To-Trigger (TTT) measurement time periods, leading to ineffective comparison of signal strengths against thresholds in dual connectivity scenarios.
Innovation Solution
The implementation of a system where Baseband circuitry determines radio metric variances at measurement locations, selecting appropriate measurement time periods for User Equipment (UEs) based on these variances, allowing them to accurately measure signal strengths for secondary access nodes, thereby enhancing the comparison process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the Time-To-Trigger measurement time period is too short, then the measurement process is faster and more efficient, but the signal strength measurement accuracy deteriorates
Solution Approach 1:
The patent applies dynamics by making the measurement time period variable rather than fixed. The baseband circuitry dynamically adjusts the Time-To-Trigger parameter based on detected radio metric variances, allowing the measurement duration to adapt to changing channel conditions. This resolves the contradiction by enabling short measurement periods when conditions are stable (high productivity) and longer periods when variances are high (maintaining precision).
Solution Approach 2:
The patent changes the measurement parameter (time period duration) based on detected radio metric variances. By monitoring channel conditions and adjusting the TTT parameter accordingly, the system optimizes the balance between measurement speed and accuracy. This parameter adaptation allows the system to achieve both high productivity and measurement precision under different operating conditions.
2Measurement precision
If the Time-To-Trigger measurement time period is extended to improve measurement accuracy, then signal strength measurement precision improves, but the time consumption and network latency increase
Solution Approach 1:
The system dynamically adjusts measurement duration based on real-time radio metric variance detection. When variances are low, shorter measurement periods suffice, reducing time loss. When variances are high, the system extends measurement periods only when necessary to achieve accurate readings, thus minimizing overall time consumption while maintaining precision when needed.
Solution Approach 2:
The TTT parameter is changed adaptively based on detected channel conditions. The baseband circuitry monitors radio metric variances and adjusts the measurement time period parameter accordingly, enabling the system to achieve measurement precision while minimizing time loss by avoiding unnecessarily long measurement periods in stable conditions.
3Ease of operation
If a fixed measurement time period is used for all locations, then the system complexity is reduced and ease of operation improves, but the adaptability to different radio metric variances deteriorates
Solution Approach 1:
The system implements self-service by automatically detecting radio metric variances and adjusting measurement time periods without external intervention. The baseband circuitry autonomously monitors channel conditions and modifies the TTT parameter accordingly, maintaining ease of operation while achieving high adaptability to different locations and conditions.
Solution Approach 2:
The measurement parameter (time period) is changed adaptively based on detected radio metric variances. The system automatically adjusts the TTT parameter according to local channel conditions, achieving both ease of operation (no manual configuration needed) and high adaptability to different locations and variance levels.
Data Source
AI summary
In a wireless access node, a radio receives measurement reports from wireless User Equipment (UEs) that indicate past radio measurements taken at measurement locations. Baseband circuitry processes the measurement reports to determine radio metric variances at the measurement locations. The baseband circuitry determines UE locations for the wireless UEs. The baseband circuitry selects measurement time periods for the wireless UEs based on the radio metric variances at the measurement locations that correspond to the UE locations for the wireless UEs. The radio wirelessly transfers the selected measurement time periods to the wireless UEs. The wireless UEs use the selected measurement time periods to take the future radio measurements at the UE locations.