User Equipment Wi-Fi Cellular Connection Switching
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Solution Overview
Problem
Cellular communication devices face challenges in efficiently switching between Wi-Fi and cellular connections due to congestion and bandwidth issues in Wi-Fi networks, leading to suboptimal performance and increased signaling within the network.
Innovation Solution
User equipment (UE) implements a metrics component to determine connection metrics for both Wi-Fi and cellular connections, using thresholds set by heuristics or machine learning models to decide when to switch to a cellular connection, thereby optimizing network performance and reducing signaling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If UE prioritizes Wi-Fi connection for data transfer, then data limit consumption is reduced, but network congestion and insufficient bandwidth may occur
Solution Approach 1:
The patent implements dynamic connection selection by continuously monitoring Wi-Fi connection metrics (bandwidth, latency, packet loss) and switching to cellular connection when metrics fall below thresholds. This dynamic adaptation allows the system to respond to changing network conditions in real-time, resolving the contradiction between prioritizing Wi-Fi for unlimited data and maintaining reliable connection performance.
Solution Approach 2:
The patent employs feedback mechanisms where the UE monitors connection metrics from both Wi-Fi and cellular networks and uses this information to make informed switching decisions. The system compares real-time performance data against predefined thresholds and adjusts connection selection accordingly, ensuring optimal data transfer while avoiding congestion issues.
2Reliability
If UE continuously monitors connection metrics for switching decisions, then connection optimization is improved, but processing power and battery consumption increase
Solution Approach 1:
The patent implements periodic metric collection instead of continuous monitoring, where the UE samples connection metrics at predetermined intervals or when specific events occur (e.g., connection establishment, metric threshold crossings). This periodic approach maintains connection optimization capability while significantly reducing processing power consumption and battery drain compared to continuous real-time monitoring.
Solution Approach 2:
The system uses self-service mechanisms where the UE autonomously evaluates connection metrics and makes switching decisions based on predefined thresholds and policies. This autonomous decision-making eliminates the need for constant external intervention or complex continuous analysis, reducing processing requirements while maintaining optimized connection selection.
3Productivity
If UE switches frequently between Wi-Fi and cellular connections, then network efficiency is improved, but signaling overhead increases
Solution Approach 1:
The patent implements preliminary actions by pre-establishing connection metrics thresholds and switching policies before actual data transfer begins. The UE proactively monitors metrics and prepares switching decisions in advance, allowing for smoother transitions between connections without frequent, reactive switching. This reduces the frequency of connection changes and consequently lowers signaling overhead while maintaining network efficiency.
Data Source
AI summary
Techniques for selecting a wireless connection based on network metrics are discussed herein. For example, user equipment (UE) can be connected to a Wi-Fi network. The UE may test the Wi-Fi connection to determine metrics associated with the Wi-fi connection. The UE may compare the metrics to a speed and/or bandwidth threshold. If the Wi-fi connection speed is below a threshold, the UE may determine metrics associated with a cellular connection to determine whether to switch to a different cellular connection. If a first metric of the candidate cellular connection is above a threshold (e.g., a power level threshold), the UE can determine a speed or bandwidth of the connection. If the speed or bandwidth is above a threshold, the UE can attach to the cellular connection and can send and/or receive data using the newly established connection.