Composite Spatial Map Generation for Smart Home Context Recognition
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Solution Overview
Problem
Existing wireless local area networks (WLANs) lack advanced management capabilities, relying on outdated methods for handling multiple device communications and environmental awareness, which limits their efficiency and functionality in smart home and business settings.
Innovation Solution
A wireless transceiver with a MIMO array of antennas, microphones, and a composite spatial diagnostic circuit that generates a composite spatial map of humans and wireless transceivers, enabling smart home management by executing predefined rules based on environmental correlations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional WiFi-only spatial diagnostics are used, then device complexity is reduced, but measurement precision and environmental awareness are insufficient
Solution Approach 1:
The patent combines WiFi transceiver functionality with acoustic microphone array capabilities into a single integrated device. The WiFi antenna elements and acoustic sensor elements are merged to create a unified transceiver that can perform both wireless communication and environmental acoustic monitoring, thereby improving spatial mapping precision without requiring separate devices
Solution Approach 2:
The transceiver is designed with multi-functionality, serving both as a WiFi communication device and an acoustic environmental sensor. The same device structure supports multiple functions: WiFi data transmission, acoustic signal reception, and composite spatial map generation, eliminating the need for multiple specialized devices
2Adaptability or versatility
If composite spatial mapping with multiple sensors is implemented, then environmental awareness improves, but device complexity increases
Solution Approach 1:
The composite spatial diagnostic circuit is segmented into distinct functional modules: WiFi signal processing subsystem, acoustic signal processing subsystem, and rule execution subsystem. Each module handles specific tasks independently, making the overall complex system more manageable and easier to implement while maintaining high environmental awareness capabilities
Solution Approach 2:
The patent introduces a rule execution circuit as an intermediary layer between the composite spatial diagnostic circuit and the actuation systems. This intermediary processes the spatial context information and determines appropriate actions based on predefined rules, simplifying the control logic and making the system more adaptable to different environmental conditions
3Productivity
If manual spatial context monitoring is used, then ease of operation is maintained, but productivity and automation level are low
Solution Approach 1:
The system implements self-service automation where the rule execution circuit automatically monitors composite spatial maps and executes predefined rules without human intervention. When the spatial context matches rule conditions, actions are automatically triggered, enabling the smart home system to manage itself and significantly improving productivity
Solution Approach 2:
The system establishes a feedback loop where the composite spatial diagnostic circuit continuously monitors the environment, feeds this information to the rule execution circuit, which then executes actions and updates the spatial map accordingly. This closed-loop feedback mechanism enables automatic adaptation and continuous improvement of smart home management efficiency
Data Source
AI summary
A wireless transceiver including: an array of antennas; a plurality of transmit and receive path components; an array of microphones; a composite spatial diagnostic circuit and a rule execution circuit. The plurality of components form transmit and receive paths coupled to the array of antennas for processing wireless communications. The composite spatial diagnostic circuit couples to the array of antennas and to the array of microphones to successively sample respectively a WiFi environment and an acoustic environment surrounding the wireless transceiver and to determine from each set of WiFi and acoustic samples a composite spatial map of humans and wireless transceivers within the surrounding environment. The rule execution circuit executes an action proscribed by a selected rule when a related portion of the composite spatial map sampled by the composite spatial diagnostic circuit exhibits a correlation above a threshold amount with a spatial context condition associated with the selected rule.