RFID Data Routing via Centralized Message Bus
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Solution Overview
Problem
Existing RFID systems in laboratory settings face difficulties in swapping RFID reader systems and tracking various types of items efficiently, often requiring direct connections and additional point-to-point connections, which limits flexibility and increases complexity.
Innovation Solution
A centralized system maintains a database of tagging entries to intelligently route RFID data from RFID tag readers to record-keeping units based on item identifiers, allowing multiple record-keeping units to subscribe to updates, reducing the need for direct connections and enabling tracking of various item types without requiring item type identifiers on RFID tags.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If RFID reader systems are directly coupled to laboratory systems, then tracking functionality is established, but system flexibility and adaptability deteriorate
Solution Approach 1:
The patent introduces a message bus as an intermediary component between RFID reader systems and laboratory information management systems. This message bus acts as a decoupling layer that enables indirect communication through standardized messages, allowing systems to be swapped or modified without affecting connected systems, thus resolving the contradiction between maintaining reliable tracking and preserving system flexibility
2Loss of information
If direct point-to-point connections are established between RFID readers and record-keeping units, then data transmission is achieved, but device complexity increases
Solution Approach 1:
The patent merges multiple point-to-point connections into a single centralized message bus infrastructure. Instead of establishing separate direct connections between each RFID reader and record-keeping unit, all communication is routed through the shared message bus, significantly reducing connection complexity while maintaining complete data transmission capabilities
3Adaptability or versatility
If RFID tags encode item type information for routing, then routing capability is improved, but tag complexity and manufacturing difficulty increase
Solution Approach 1:
The patent extracts the routing logic from the RFID tags themselves and relocates it to the message bus system. Instead of embedding item type information directly in the tags, the system uses message topic subscriptions at the bus level to determine routing, simplifying tag manufacturing while maintaining sophisticated routing capabilities through the centralized message bus
Data Source
AI summary
Methods, systems, and computer-readable media are provided for routing radio-frequency identification (RFID) location data from an RFID tag reader to a record-keeping unit. A first tagging entry is received from a first record-keeping unit. The information associated with the first tagging entry is stored in a data store. A first set of location data is received, indicating that the RFID tag of the first item has been read by an RFID tag reader. It is algorithmically determined that the received location data corresponds to the first tagging entry received from the first record-keeping unit. The first set of location data is communicated to the first record-keeping unit.