Conditional Wireless Channel Selection for Roaming Optimization
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Solution Overview
Problem
Wireless communication devices face challenges in maintaining optimal network performance when roaming, as they often switch to visited networks with varying quality, leading to potential service degradation and increased roaming charges for the home network operator.
Innovation Solution
A method is implemented where a wireless communication device stores initial and new data associating geographic identifiers with wireless communication channels, compares these for changes, and generates conditional statements to switch back to a previously reliable channel if a new channel's performance metric falls below a standard, thereby optimizing network resource utilization and reducing roaming costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a wireless communication device switches to a visited wireless network for roaming, then geographic coverage is expanded, but network performance may degrade and roaming charges increase
Solution Approach 1:
The system performs preliminary actions by storing historical channel data before roaming occurs, and by pre-establishing conditional statements that define performance thresholds. When roaming to a visited network, the device can immediately apply these pre-defined conditions to select appropriate channels, avoiding performance degradation without requiring real-time analysis
Solution Approach 2:
The system implements feedback mechanisms by continuously monitoring network performance metrics and comparing them against stored historical data. The conditional statements create a feedback loop where performance data is collected, analyzed, and used to automatically adjust channel selection decisions, ensuring optimal network performance while roaming
2Ease of operation
If a wireless communication device uses a preferred roaming list to select visited networks, then network selection is automated, but the device may select suboptimal channels leading to service degradation
Solution Approach 1:
The system applies dynamics by making the channel selection process adaptive rather than static. Instead of relying solely on fixed preferred roaming lists, the device dynamically evaluates multiple channels against stored historical performance data and automatically selects the optimal channel based on current conditions, transforming a static selection process into a dynamic, performance-driven decision system
Solution Approach 2:
The system changes parameters by introducing performance metric thresholds and conditional logic to the channel selection process. Rather than selecting channels based only on network priority in the PRL, the system evaluates additional parameters such as signal quality, historical performance, and channel availability, using these parameter changes to make more informed selection decisions
3Reliability
If a wireless communication device stores and compares historical channel data, then channel selection is optimized, but device complexity increases
Solution Approach 1:
The system extracts only the essential elements needed for optimization by storing specific key parameters (geographic identifiers, channel identifiers, performance metrics) rather than complete historical data sets. This selective extraction reduces storage requirements and processing complexity while maintaining the ability to make informed channel selection decisions
Solution Approach 2:
The system segments the channel selection process into distinct functional components: data storage, data comparison, conditional evaluation, and channel selection. This segmentation allows each component to be optimized independently and simplifies the overall system architecture, making the complex process more manageable and efficient
Data Source
AI summary
A method of operating a wireless communication device comprises storing initial data in a first wireless channel table that associates a geographic identifier, a network availability signal, and a first wireless communication channel. New data is received that associates the geographic identifier, the network availability signal, and a second wireless communication channel. The initial data is compared to the new data to determine that the first wireless communication channel in the initial data changed to the second wireless communication channel associated in the new data. A conditional statement is generated that directs the wireless communication device to utilize the first wireless communication channel for the geographic identifier if a performance metric of the second wireless communication channel fails to meet a performance standard. The conditional statement is stored along with the new data that associates the geographic identifier, the network availability signal, and the second wireless communication channel in a second wireless channel table.