Access Point Grouping for Network Offloading Precision
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing network connectivity and load balancing between cellular and wireless local area networks (WLANs) due to the lack of granular threshold signaling for access points with varying capabilities, leading to suboptimal offloading and onloading decisions.
Innovation Solution
A method is introduced to determine and provide threshold information based on access point capability groups, allowing user equipment to differentiate between access points with distinct properties such as system bandwidth, antenna numbers, and supported standards, enabling more precise network selection and reducing signaling overhead.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If threshold information is provided for all access points individually, then network selection precision is improved, but signaling overhead increases
Solution Approach 1:
The patent segments access points into multiple groups based on their capabilities (e.g., bandwidth, antenna configuration, MIMO support). Instead of providing individual threshold information for each access point, the system provides group-level threshold information. This segmentation reduces the quantity of signaling overhead while maintaining sufficient precision for network selection decisions, as user equipment can match detected access points to appropriate groups and apply the corresponding thresholds.
Solution Approach 2:
The patent applies local quality by providing different threshold information tailored to specific access point groups with distinct capabilities. Each group receives customized threshold parameters that reflect the characteristics of access points in that group (e.g., higher bandwidth groups may have different thresholds than lower bandwidth groups). This ensures that network selection precision is maintained for each local group while avoiding the need for individualized thresholds for every single access point.
2Productivity
If access point capability differentiation is implemented, then offloading decisions are optimized, but device complexity increases
Solution Approach 1:
The patent simplifies device complexity by segmenting access points into predefined groups based on capability characteristics. User equipment only needs to determine which group a detected access point belongs to and apply the corresponding pre-configured threshold information, rather than performing complex individual assessments of each access point's full capability set. This segmentation approach enables optimized offloading decisions while keeping the device-side processing relatively simple.
Solution Approach 2:
The patent manages device complexity by changing parameters from individual access point evaluation to group-based evaluation. Instead of analyzing multiple capability parameters for each access point individually, the system transforms the problem into matching access points to groups based on key differentiating parameters (such as bandwidth tiers, antenna configurations). This parameter transformation reduces the computational burden on user equipment while still enabling differentiated offloading decisions.
Data Source
AI summary
There is provided a method including determining, from a plurality of groups of access points, a group of a detected access point, each group having at least one property different from another group and using threshold information associated with the determined group to determine whether to connect to a network using said detected access point.