Context Awareness System Using Segmented Positioning
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Solution Overview
Problem
Existing context awareness methods, such as GPS and electronic fences, are inadequate for precise location determination, especially indoors, and lack universality in application.
Innovation Solution
A smart terminal system that manages context tags for smart peripherals, determining current context based on inferred time, location, and activity by connecting via various wireless protocols, and obtaining context tags from a cloud platform or user settings, allowing for precise context awareness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If GPS positioning technology is used to determine current context, then location information can be obtained, but precision is insufficient especially when indoors
Solution Approach 1:
The patent segments the positioning function into multiple components: GPS for outdoor macro-positioning, Wi-Fi positioning for transitional zones, and Bluetooth beacons for indoor micro-positioning. This segmented approach allows the system to achieve high precision in different environments by selecting the appropriate positioning method.
Solution Approach 2:
The patent creates a universal positioning system that can operate across multiple environments (outdoor, transitional, indoor) by integrating multiple positioning technologies. The system automatically selects and switches between GPS, Wi-Fi, and Bluetooth based on the current environment, achieving both high precision and broad environmental adaptability.
2Adaptability or versatility
If electronic fence technology is used to determine user position, then context can be inferred when passing through fences, but the system lacks universality and application range is limited
Solution Approach 1:
The patent extends the electronic fence concept to multiple environments by creating virtual fences using Wi-Fi access points for outdoor/transition zones and Bluetooth beacons for indoor zones. This universal approach allows context awareness across diverse settings without requiring physical installation of specialized infrastructure.
Solution Approach 2:
The patent introduces Wi-Fi and Bluetooth technologies as intermediary layers between GPS and the final context determination. These intermediaries enable precise position tracking in environments where GPS is unavailable, bridging the gap between macro-positioning and micro-positioning across different settings.
3Measurement precision
If context tags are obtained from cloud platform or user settings, then precise context awareness is enabled, but system complexity increases
Solution Approach 1:
The patent pre-configures context tags and their associations with different locations and scenarios in the cloud platform and user settings before actual use. This preliminary preparation allows the system to quickly determine context without complex real-time calculations, reducing operational complexity while maintaining high precision.
Solution Approach 2:
The system automatically matches detected position information with pre-configured context tags from cloud or local settings without requiring manual intervention. This self-service mechanism simplifies the user experience while enabling precise context awareness through automated tag selection and application.
Data Source
AI summary
Embodiments of the present application relate to a method, device, and system for context awareness and providing a service. The method includes connecting, by a terminal, to a peripheral, obtaining, by the terminal, information corresponding to the peripheral, determining, by the terminal, context information based on the information corresponding to the peripheral and a connection status of a connection between the terminal and the peripheral, and performing, by the terminal, one or more operations based at least in part on the context information.