Bluetooth Mesh Location Nodes for 3D Positioning
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Solution Overview
Problem
Current GPS tracking systems lack precision in locating wireless communication devices within multi-story buildings or areas with multiple location nodes, as they do not provide accurate three-dimensional mapping and area-specific messaging capabilities.
Innovation Solution
A system utilizing Bluetooth-equipped mobile devices and location nodes in a mesh network for precise three-dimensional location determination, enabling targeted messaging and monitoring of movable entities within pre-configured geographical zones, which can be two or three-dimensional in nature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If GPS tracking systems are used to locate wireless communication devices, then location information can be obtained, but precision is insufficient in multi-story buildings or areas with multiple location nodes
Solution Approach 1:
The patent transitions from two-dimensional GPS tracking to three-dimensional location determination by incorporating vertical dimension data through multiple location nodes distributed across different floors and heights. This enables precise positioning in multi-story buildings where traditional GPS fails, as the system can now distinguish between devices on different floors by measuring signal characteristics from nodes at various vertical positions.
Solution Approach 2:
The system divides the tracking space into multiple discrete location nodes distributed throughout the environment, each capable of independently measuring device position. Instead of relying on a single GPS satellite system, the patent segments the location determination function across multiple ground-based nodes, allowing precise localization in areas where GPS signals are blocked or ambiguous.
2Ease of operation
If traditional GPS systems relay location information to control centers, then basic tracking is achieved, but area-specific messaging and targeted communication capabilities are lacking
Solution Approach 1:
The patent implements area-specific messaging by associating different message templates, rules, and communication protocols with specific geographical zones defined by the location nodes. Instead of uniform messaging, the system tailors communication content and delivery methods to the local context of where the device is located, enabling targeted advertising, location-specific alerts, and context-aware communication.
Solution Approach 2:
The system continuously monitors device location relative to predefined geographical zones and automatically triggers appropriate messaging actions based on the device's position. This feedback loop allows the control center to send targeted messages when devices enter or exit specific areas, creating dynamic, location-responsive communication rather than static, generic messaging.
Data Source
AI summary
Information from location nodes is downloaded to a control center. A mobile device associated with a user located in a specific area at a geographical location is in communication at least one node, which is, in turn, in communication with at least one control center. The nodes communicate with each other wirelessly via radio frequency (RF) using Bluetooth™ protocol. A messaging system is used to send specific messages to mobile devices, according to the profiles of the users of the mobile devices and their location relative to the nodes. Data mining and commercial communications are possible for users associated with mobile devices in particular locations.