Wireless Access Node Selection via Global Cell Identity Ranking
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Solution Overview
Problem
In wireless communication networks, existing methods lack an efficient mechanism for selecting the optimal access node based on signal quality and network load, leading to suboptimal data throughput and coverage, especially when devices transition between cells.
Innovation Solution
A system and method where wireless devices receive global cell identity messages from multiple access nodes, determine their classifications, and rank them based on factors like mobility, application requirements, and signal characteristics to initiate communication with the highest ranking access node that meets a signal threshold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If access nodes are deployed to increase network capacity and coverage, then data throughput and coverage are improved, but device complexity and selection difficulty increase
Solution Approach 1:
The patent applies parameter changes by transforming the access node selection process into a systematic ranking mechanism based on multiple parameters including access node classification, signal characteristics, mobility conditions, and application requirements. This structured parameter-based approach converts the complex selection problem into a manageable multi-criteria evaluation process, enabling devices to automatically identify optimal access nodes without manual configuration or excessive computational complexity.
2Productivity
If multiple access nodes are deployed within a service area, then network capacity and coverage are increased, but the difficulty of detecting and measuring optimal nodes increases
Solution Approach 1:
The patent implements feedback mechanisms where wireless devices continuously monitor signal characteristics from multiple access nodes and provide feedback information about measurement results. This feedback loop enables devices to dynamically update their rankings of access nodes based on actual signal quality, mobility conditions, and network load, making the detection of optimal nodes more accurate and adaptive without requiring complex manual measurement procedures.
3Reliability
If access node selection is based on multiple factors including signal characteristics and mobility, then communication reliability is improved, but processing time and selection speed decrease
Solution Approach 1:
The patent applies preliminary action by pre-establishing access node classifications and ranking frameworks before actual communication begins. Devices are pre-configured with criteria for evaluating access nodes including signal characteristics, mobility conditions, and application requirements. This preliminary preparation enables faster selection decisions during actual communication by avoiding the need to evaluate all possible factors from scratch, thus reducing selection time while maintaining high reliability.
Data Source
AI summary
A system and method of selecting an access node for communication in a wireless communication network are provided. A wireless device can receive a plurality of global cell identity messages, wherein each global cell identity message comprises an access node identifier. The wireless device can determine an access node classification for an access node associated with each global cell identity message. The access node classification can be determined based on each access node identifier. Each access node can be ranked based on the access node classification to determine a highest ranking access node. A signal characteristic of the highest ranking access node can be determined. Communication can be initiated with the highest ranking access node when the signal characteristic meets a threshold.