Wireless Roaming Decision Quality Score Access Point
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Solution Overview
Problem
Existing wireless roaming approaches are often static and measurement-based, leading to suboptimal roaming decisions that can result in connectivity issues, data packet loss, and poor performance in wireless devices.
Innovation Solution
A method and system that enable wireless computing devices to make informed roaming decisions by evaluating the risks, costs, and benefits of roaming, including determining a quality score for each access point based on physical attributes and historical performance, and selecting a target access point with the highest quality score.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If static measurement-only approaches are used for roaming decisions, then the decision process is simple and fast, but the roaming decisions become suboptimal leading to connectivity issues and data packet loss
Solution Approach 1:
The patent transforms static roaming decisions into dynamic ones by continuously monitoring connection quality metrics and adapting decisions based on real-time conditions. The system evaluates multiple factors including signal strength, network load, and historical performance data to make informed roaming decisions that respond to changing network conditions, thereby improving both speed and reliability.
Solution Approach 2:
The patent implements feedback mechanisms by monitoring connection quality metrics and using historical performance data to inform future roaming decisions. The system learns from past connection outcomes and adjusts its decision-making process accordingly, creating a closed-loop system that improves reliability while maintaining efficient decision-making speed.
2Ease of operation
If roaming decisions are made based solely on signal strength thresholds, then the decision criteria are simple, but the device may transition to suboptimal access points causing performance degradation
Solution Approach 1:
The patent expands the decision parameters beyond simple signal strength thresholds to include multiple quality metrics such as connection stability, data throughput, network load, and historical performance. This multi-parameter evaluation approach enables the system to distinguish between access points with strong signals that provide good service versus those that are suboptimal, thereby improving connection performance while maintaining operational simplicity through automated multi-factor analysis.
3Reliability
If the device frequently transitions between access points seeking better performance, then the device can access higher quality connections, but this causes unnecessary transitions and increases latency
Solution Approach 1:
The patent applies preliminary action by pre-evaluating candidate access points and their associated quality metrics before initiating a roaming decision. The system maintains historical performance data and connection quality information in advance, enabling rapid assessment during actual roaming decisions. This pre-prepared information allows the device to make informed transitions only when truly beneficial, reducing unnecessary transitions and associated latency while maintaining high connection quality.
Data Source
AI summary
The technology makes wireless roaming decisions for a computing device. The device is configured to determine whether to consider roaming and to generate a roam reason. The device determines a quality score for at least one access point within a wireless communication range of the device based at least in part on the roam reason. A target access point with a highest quality score is selected. The device may then determine to roam to the target access point, if the target access point is not the current access point to which the device is connected.