Assisting Device Pairing Sensor Nodes in Transport Refrigeration
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Solution Overview
Problem
Establishing a reliable pairing link between sensor nodes and coordinator nodes in transport refrigeration systems is challenging, requiring complex user interaction and knowledge of communication protocols.
Innovation Solution
An assisting device is used to obtain identification information of sensor nodes, connect with coordinator nodes, transmit this information, and indicate pairing status, simplifying the pairing process without needing the nodes to be in discoverable mode.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional pairing methods are used between sensor nodes and coordinator nodes, then pairing can be established, but the process requires complex user interaction and knowledge of communication protocols
Solution Approach 1:
A mobile device is introduced as an intermediary between the sensor node and coordinator node. The mobile device obtains identification information of the sensor node, transmits it to the coordinator node, and receives pairing status. This intermediary approach eliminates the need for users to directly configure communication protocols or put nodes in discoverable modes, significantly simplifying the pairing process while maintaining reliable connection establishment
2Ease of operation
If sensor nodes are paired without discoverable mode, then pairing is simplified, but traditional methods require nodes to be in discoverable mode for pairing
Solution Approach 1:
The mobile device performs preliminary actions by obtaining the identification information of the sensor node before the pairing process begins. This pre-fetching of identification data allows the coordinator node to be directly configured with the sensor node's identifier, enabling pairing without requiring the sensor node to be in discoverable mode. This approach maintains pairing reliability while simplifying the operation
3Ease of operation
If users directly configure pairing between nodes, then pairing can be established, but users need specialized knowledge of pairing communication protocols
Solution Approach 1:
The system enables self-service pairing where the mobile device automatically obtains identification information from the sensor node and configures the coordinator node without user intervention. The mobile device handles all protocol-level communications, including obtaining identification data via Bluetooth or NFC and transmitting it to the coordinator, allowing users with no specialized knowledge to complete pairing simply by initiating the process on their mobile device
4Loss of information
If pairing status is not monitored, then pairing process is faster, but users cannot determine pairing connection status
Solution Approach 1:
The system implements feedback by having the mobile device receive pairing status from the coordinator node after configuration and display this status to the user. The feedback mechanism provides real-time information about whether pairing succeeded or failed, allowing users to take corrective actions if needed. This feedback loop maintains information completeness while minimizing time loss through automated status checking and clear user notification
Data Source
AI summary
A method of pairing a sensor node of a transport refrigeration system with a coordinator node using an assisting device in a communication network is provided, the method includes: the assisting device obtains identification information of the sensor node; the assisting device connects with the coordinator node; the assisting device transmits the identification information of the sensor node to the coordinator node for the coordinator node to pair with the sensor node; the assisting device receives pairing status of the sensor node and the coordinator node; and the assisting device indicates the pairing status.