Wireless Node Messaging for Asset Tracking and Condition Monitoring
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Solution Overview
Problem
Existing tracking systems, such as barcodes and RFID tags, are inefficient and costly for monitoring and managing assets, and sensor-based systems are complex and provide redundant information, failing to effectively monitor environmental conditions during transport.
Innovation Solution
A wireless node network with adaptive communication protocols, utilizing a hierarchy of nodes (ID and master nodes) that dynamically adjust message formats based on environmental changes, allowing efficient and cost-effective tracking and condition monitoring of assets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sensor-based tracking systems are used to monitor environmental conditions, then measurement precision is improved, but device complexity increases and cost increases
Solution Approach 1:
The system segments tracking functionality into two distinct layers: basic tracking using simple RFID tags for location and movement monitoring, and environmental monitoring using sensors only when specifically required. This segmentation allows the system to achieve comprehensive monitoring capability while keeping the default configuration simple and cost-effective.
Solution Approach 2:
The wireless node network is designed to perform multiple functions through a unified platform that can operate in different modes. The same network infrastructure supports both basic RFID-style tracking and sensor-based environmental monitoring, eliminating the need for separate dedicated sensor systems and reducing overall complexity.
2Measurement precision
If sensor-based tracking systems are used to monitor environmental conditions, then measurement precision is improved, but cost increases
Solution Approach 1:
The system dynamically adjusts its operational mode based on requirements. Environmental sensors are activated only when needed for specific monitoring tasks, while the system operates in basic RFID tracking mode during normal conditions. This dynamic adaptation reduces costs by deploying expensive sensor capabilities selectively rather than continuously.
Solution Approach 2:
The system changes its operational parameters by switching between different monitoring modes. When environmental monitoring is required, the system transitions from passive RFID tracking to active sensor-based monitoring, adjusting its measurement parameters and resource consumption accordingly to balance precision needs with cost constraints.
3Productivity
If adaptive message format alteration is implemented, then productivity is improved through efficient communication, but device complexity increases
Solution Approach 1:
The message format is made dynamic and adaptive rather than static. Nodes automatically adjust their broadcast message formats based on current operational context, such as including only essential identification data during normal operation or adding environmental sensor readings when monitoring is required. This dynamic adaptation improves communication efficiency by transmitting only necessary information while keeping node complexity manageable through rule-based format selection.
Data Source
AI summary
Systems and apparatus are described for enhanced communication within a wireless node network. A system includes a server and multiple nodes, where each node can generate sensed data about or around the node and receive external data from another node according to a server tracked logical connection between those nodes. At least a subset of the nodes can connect to the server using a first connectivity mode or an intermediary connectivity mode. In the first connectivity mode, a first node of the subset can transmit a message directly to the server without using intermediary ones of the nodes (where the message includes sensed data about or around the first node). In the intermediary connectivity mode, the first node can receive the external data from the another node and transmit the external data to the server (where the external data is sensed data about or around the another node).