Reverse Heat Map for Wireless Signal Diagnosis
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Solution Overview
Problem
Current wireless network diagnosis methods fail to effectively distinguish between signal issues caused by access points, floor plans, and device locations, as they do not provide a comprehensive visualization of received signal strength values and their corresponding locations, leading to inadequate power planning and interference mitigation.
Innovation Solution
A system that generates a reverse heat map for a physical environment, based on received signal strength values and locations, to visualize RF signal coverage, allowing for the definition of zones and improved network planning and interference mitigation by correlating signal strengths with device locations and environmental factors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional wireless network diagnosis methods are used, then the system is simple to operate, but the ability to distinguish between signal issues caused by access points, floor plans, and device locations is insufficient
Solution Approach 1:
The patent segments the wireless signal analysis by creating distinct heat maps for different access points and overlaying them with floor plan information. This segmentation allows precise identification of which access point causes which signal issues in specific locations, thereby improving diagnosis accuracy without requiring a single complex unified system.
Solution Approach 2:
The patent introduces a floor plan as an intermediary layer that mediates between the wireless signal data and the physical environment. By mapping signal strength values to specific locations on the floor plan, the system accurately identifies location-based signal issues while keeping the diagnosis mechanism relatively simple through visual overlay rather than complex computational analysis.
2Reliability
If comprehensive signal coverage visualization is implemented, then power planning and interference mitigation are improved, but the data processing and visualization complexity increases
Solution Approach 1:
The patent merges multiple heat maps from different access points into a single comprehensive visualization that overlays signal strength information on the floor plan. This merging approach provides complete coverage information for reliable power planning while using standardized heat map techniques that avoid excessive complexity by leveraging established visualization methods.
Solution Approach 2:
The patent adds a visual dimension by overlaying heat map data on the two-dimensional floor plan, creating an intuitive spatial representation of signal coverage. This dimensional approach allows comprehensive power planning analysis through visual inspection rather than complex numerical analysis, improving reliability while maintaining manageable system complexity through graphical user interface techniques.
Data Source
AI summary
A non-transitory computer readable medium for storing instructions is disclosed. The instructions, when executed by one or more hardware processors, causes performance of operations including (i) for a plurality of wireless signals received by a first access point located in a physical environment, determining (a) a corresponding plurality of received signal strength values and (b) a corresponding plurality of locations from where the plurality of wireless signals were transmitted, and (ii) generating a reverse heat map for the physical environment such that a plurality of zones in the reverse heat map are defined based on (a) the corresponding plurality of received signal strength values and (b) the corresponding plurality of locations determined for the plurality of wireless signals.