Research on RFID System Middleware Platform Architecture

The "RFID Application Integration Middleware Technology Research and Development" project, led by Professor Liu Fagui from South China University of Technology, was supported by the National 863 Program. This initiative addresses the current state of RFID technology and its industrial development in China, combining independent innovation with integrated approaches to overcome key challenges in RFID middleware and its applications. As a result, the team has secured numerous intellectual property rights and developed GDIX—RFID middleware, which includes reconfigurable, embedded, and mobile computing-oriented middleware, as well as a component-based development environment and toolbox. The project emphasizes practical applications, promoting the widespread use of RFID middleware across various industries. Through this work, the research group has published 20 indexed papers, filed 11 invention patents, and obtained 5 software copyrights. Additionally, the project has seen successful implementation and application in real-world scenarios. The main innovations of the project include: 2.1 **Research on RFID System Middleware Platform Architecture** Based on OSGi component framework and service-oriented development methods, the team proposed a service component framework for reconfigurable RFID middleware. This allows quick adaptation to enterprise needs and different deployment environments, enabling rapid development of RFID middleware for new scenarios, thus achieving customizable and reconfigurable goals. 2.2 **Research on RFID Reader and Network Monitoring & Management Technology** The team studied APIs and interfaces of mainstream RFID hardware devices, ensuring compatibility with existing systems. To manage multiple devices in one network, they introduced a proxy-based device management strategy, including a device proxy layer with configuration, monitoring, message, and data agents. This enhances system flexibility and scalability by reducing dependency between middleware and hardware. 2.3 **Research on Multi-Layer Event Filtering and Advanced Event Protocol** The project developed an event processing method based on distributed ALE architecture, breaking down ALE mechanisms into parallel components with load balancing. This approach optimizes resource usage and reduces system overload while maintaining full compliance with standard ALE functions. 2.4 **Research on Multi-Task Coordination Mechanism Based on Semantic Networks** The team explored multi-task coordination using semantic networks, designing a semantic Web service system that integrates inference rules for intelligent event processing. They also improved service matching through text description analysis, optimizing interactions in logistics applications. 2.5 **Research on RFID Business Component Model Technology** The team developed a model for extracting, generating, and dynamically managing RFID middleware components, aiming for reuse of business processes and application components. They implemented a development method based on OSGi and iBPM, supporting the design and deployment of application components according to business models. 2.6 **Research on Embedded RFID Middleware Technology** The embedded RFID middleware developed by the team features lightweight ALE, offering good compatibility, reconfigurability, and cross-platform support. It is designed to operate efficiently in resource-limited environments, with modules that handle heterogeneous devices and manage tag data effectively. 2.7 **Research on RFID Middleware for Mobile Computing** The team developed a mobile-friendly RFID middleware solution, enhancing adaptability for mobile environments. This enables efficient data collection, processing, and reporting across various RFID handheld devices, supporting real-time operations in dynamic settings. Through these innovations, the project has significantly advanced the application of RFID middleware in industries such as logistics, manufacturing, and agriculture, demonstrating the potential of smart, flexible, and scalable RFID solutions.

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