Wireless Link Topology Optimization Under Load and Interference
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing network management systems for home wireless networks fail to optimize network topologies due to reliance on discrete channel estimation measurements, neglecting load and inter-channel interference, leading to suboptimal connections and reduced throughput.
Innovation Solution
Implementing a dynamic analysis that considers throughput, load, and inter-channel interference to determine optimal network topologies by adjusting band allocation and steering, thereby improving network performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If stations connect to the hub with the highest RSSI, then connection strength is improved, but network throughput deteriorates due to hub overload
Solution Approach 1:
The patent implements dynamic association that allows stations to switch between hubs based on real-time conditions. Instead of static RSSI-based connection, the system continuously monitors hub load and interference levels, enabling stations to dynamically reassociate with optimal hubs. This resolves the contradiction by making connection strength adaptive rather than fixed, allowing stations to maintain reliable connections while avoiding overloaded hubs through real-time reassociation.
Solution Approach 2:
The system changes the decision parameter for hub association from solely RSSI to a composite metric that includes hub load, interference levels, and throughput considerations. By modifying the association criterion from a single parameter (RSSI) to multiple parameters, the system can balance connection strength with network throughput, preventing hub overload while maintaining reliable station-hub connections.
2Ease of operation
If discrete channel estimation measurements are used, then measurement simplicity is improved, but topology optimization deteriorates due to neglecting load and interference
Solution Approach 1:
The patent merges multiple measurement types into a unified topology optimization framework. Instead of relying solely on discrete channel estimation measurements, the system combines channel state information with hub load metrics and interference measurements. This integration allows the system to maintain measurement simplicity while achieving comprehensive topology optimization that considers all relevant factors for network performance.
Solution Approach 2:
The measurement system is enhanced to serve multiple functions simultaneously. The same measurement infrastructure that captures channel estimation data is extended to also collect hub load and interference information. This multi-functional approach allows the system to maintain operational simplicity while gathering comprehensive data needed for optimal topology determination, resolving the contradiction between measurement simplicity and optimization effectiveness.
3Device complexity
If single AP architecture is used, then network simplicity is improved, but wireless coverage deteriorates due to limited range
Solution Approach 1:
The patent implements segmented network architecture where a single logical network is divided into multiple coverage zones, each served by a different hub (AP or extender). This segmentation allows the network to maintain simplicity at the logical level while physically distributing coverage across multiple devices. Stations can be served by different hubs based on location, effectively expanding total coverage area without significantly increasing network complexity.
Solution Approach 2:
The system employs a nested hub architecture where extender hubs are nested within the network managed by a master AP. Extenders inherit network management functions from the master while providing additional coverage zones. This nesting allows coverage area expansion through hierarchical deployment, maintaining network simplicity through centralized management while achieving extended physical coverage through nested extender units.
Data Source
AI summary
Various embodiments describe systems, devices and methods used to improve network topology connectivity by implementing throughput analysis between an access point and a plurality of extenders. This throughput analysis may include measurements such as interference and load values. Various embodiments may also implement band-steering between wireless channels.