KR100979792B1 - System using heterogeneous RFID / KSN integrated middleware server - Google Patents

Abstract

The present invention relates to a system using a heterogeneous radio frequency identification (RFID) / Ubiquitous Sensor Network (USN) integrated middleware server, and a system using a heterogeneous RFID / USN integrated middleware server that supports heterogeneous RFID and USN integration. The system using the heterogeneous RFID / USN integrated middleware server of the present invention includes a heterogeneous RFID reader, a heterogeneous USN node, a middleware server for receiving and processing data from at least one of the heterogeneous RFID reader and the heterogeneous USN node, and the middleware. It is characterized in that it comprises an application server that receives the data processed by the server to provide a variety of services. As a result, the system using the heterogeneous RFID / USN integrated middleware server of the present invention can shorten the development time, operate independently, can be immediately applied regardless of the place and time, and is optimized for the relevant field.

RFID, USN

Description

A middle ware for RFID / USN and System using it}

The present invention relates to a system using a heterogeneous radio frequency identification (RFID) / Ubiquitous Sensor Network (USN) integrated middleware server, and a system using a heterogeneous RFID / USN integrated middleware server that supports heterogeneous RFID and USN integration.

RFID technology is a non-contact automatic identification technology that stores item identification information and the like in a very small RFID tag and transmits the goods and the surrounding environment information to the network through an antenna and a reader at a radio frequency. In addition, RFID technology is a promising technology that will lead the future IT (Information Technology) market from the conventional people-oriented informatization to goods-oriented. In addition, RFID technology is a next-generation core technology that can be applied to various fields such as information communication, logistics, supply chain, transportation, environment, and security as well as generality that can be easily applied to various fields by changing frequency bands. .

In RFID technology, one of the important technologies is RFID middleware server. The RFID middleware server collects tag data read from the RFID reader, processes it appropriately, and delivers it to another server or application device. In particular, the RFID middleware server manages a plurality of RFID readers in one RFID middleware server, checks for errors in data read from the RFID reader, filters and transactions of a large amount of data flowing from the RFID reader 100. And the function of transferring data from the RFID reader to the other server according to the communication standard required by the other server.

On the other hand, USN is a technology that aims to implement a ubiquitous environment using a sensor network. The USN environment has recently been developed as an IP-USN using IP. USN middleware also performs a function similar to that performed by the RFID middleware.

However, in the prior art as described above, there was no middleware system that supports RFID and USN integration. And if the standard for the RFID reader and the USN node is not unified, when the RFID reader or the USN node device to be managed by the RFID / USN middleware server is added, a new interface and software for the new RFID reader and the USN node device are created to create the RFID / USN middleware. Since it must be added to the server, when the firmware mounted in the RFID reader or USN node device is changed by upgrading or changing the RFID reader or USN node device managed by the RFID / USN middleware server, There is an inevitable problem of changing the USN middleware server.

Therefore, to solve the above problems, the present invention is to provide a system using a heterogeneous RFID / USN integrated middleware server to support the integrated RFID reader and USN node.

And when the RFID reader and USN node group managed by the middleware is added or when the existing management target RFID reader and USN node device is changed, the RFID reader and USN while minimizing the modification and change of the middleware server It is to provide a system using a heterogeneous RFID / USN integrated middleware server to add and change node devices.

In addition, the present invention is to provide a system using a heterogeneous RFID / USN integrated middleware server that operates independently without additional development in the existing system by defining an external database schema and access authority information in order to apply the middleware in various service models There is.

In another aspect, the present invention is to provide a system using a heterogeneous RFID / USN integrated middleware server to reduce the additional development burden by supporting a platform that can be applied immediately, anytime, anywhere.

The present invention also provides a system using heterogeneous RFID / USN integrated middleware server that removes / combines components and reduces unnecessary local resources.

In another aspect, the present invention provides a system using a heterogeneous RFID / USN integrated middleware server that has a separate storage unit for data storage, and can store data in an internal or external storage in a batch through a task scheduler during a disaster recovery. There is.

A system using a heterogeneous RFID / USN integrated middleware server of the present invention for solving the above problems is to receive data from at least one of a heterogeneous RFID reader, a heterogeneous USN node, and the heterogeneous RFID reader and a heterogeneous USN node. And a middleware server for processing and an application server for receiving data processed by the middleware server and providing various services.

The heterogeneous RFID reader is characterized in that at least one.

The heterogeneous USN node group is characterized in that at least one.

The heterogeneous RFID / USN integrated middleware server of the present invention for solving the above problems includes an interface unit for communicating with the outside, a process unit for receiving and processing data read from the RFID reader or USN node from the outside, an RFID reader and a USN And a storage unit for storing contents related to the processing of data received from at least one of the node devices.

The interface unit may include a network interface unit controlling communication between at least one of the middleware server, the RFID reader, and the USN node device, and an application interface unit controlling communication between the middleware server and the application server.

The network interface unit includes a plurality of communication module units for receiving data from at least one or more of an RFID reader and a USN node unit through various interface schemes, and a plurality of data input to the middleware server through the communication module unit through a network adapter. It includes an interface processing module.

The plurality of communication module units include an RS-232C communication module unit, a USB communication module unit, a CDMA communication module unit, and a LAN communication module unit.

The storage unit may include an error content storage unit for storing information on error information when data is wrong, a device content storage unit for storing contents of at least one of an RFID reader and a USN node device; It includes a context information content storage unit for storing the content for a particular situation, and a legacy storage unit for storing the content for the external database.

The storage unit may be configured by at least one set of a plurality of SRAMs, DRAMs, SDRAMs, RDRAMs, DDR memories, flash memories, Nand flash memories, or hard disks.

The processor unit includes a device manager that manages the device, a data information determination processor that determines which data is received from the interface unit, a data processor that processes the data received by the interface unit, and the data processor An error data unit that manages data about errors occurring during data processing in the office, a task scheduler that receives data processed by the data processor and performs an event according to a predetermined schedule, and an external storage unit Fault handling unit that handles faults that occur when an event is generated, query processing unit that enables retrieval of intelligently collected and processed data through the module, and metadata that makes meta information accessible through the application server. Includes management.

The device manager may select a device information processing module that receives contents of a plurality of pre-stored devices from the storage unit, and contents of a plurality of devices processed by the device information processing module according to external input. Make sure

The data processor includes an RFID data processor for receiving and processing data related to RFID, and a USN data processor for receiving and processing data related to USN.

The RFID data processor receives the data output from the data information determination processor to define an RFID code system, collect data, control data flow, filter data, process data, and notify data processing results. Characterized in that the data is processed in order.

The USN data processing unit receives data output from the data information determination processing unit to define a USN data packet, collect data, convert data, filter data, process data, and notify data processing results. The data is processed in order.

The task scheduler may include a configuration of performing an event in association with an external storage unit as well as a batch process.

The failure processing unit includes an external connection unit for receiving an event that should occur in association with the external storage unit from the job scheduler, a schema information management unit for storing information about a table constituting an external database, and a fraudulent external storage unit. It includes a failure handling module unit for processing when a failure of the association or table configuration occurs.

The meta information includes middleware configuration, network configuration, and packet definition.

The system using heterogeneous RFID / USN integrated middleware server of the present invention shortens development time, operates independently, can be applied immediately regardless of place and time, and is optimized for the relevant field.

Hereinafter, an encryption method using the data dependent operation of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram showing an entire system including a middleware server according to the present invention. As shown, the system includes at least one of a heterogeneous RFID reader 100 and a heterogeneous USN node device 101, a middleware server 110, and an application server 120. The system may further include one or more heterogeneous USN node groups 101.

The RFID reader 100 is a device capable of reading data stored in an RFID tag attached to a product or storing data in the RFID tag. Here, the RFID reader 100 is dependent on the type of the RFID tag, there are a variety of models. The RFID reader 100 is connected to the middleware server 110 through wire or wirelessly. As described above, the RFID reader 100 is obvious to those skilled in the art, and may not obscure the gist of the present invention.

The USN node 101 is also a device capable of storing data by means of an identification code attached to a product. The USN node device 101 is connected to the middleware server 110 via wire or wirelessly. As described above, the USN node group 101 is obvious to those skilled in the art and may not obscure the gist of the present invention.

The application server 120 may be connected to the middleware server 110 to receive processed RFID tag data and USN data from the middleware server 110 to provide various services such as a web service. . Specifically, the application server 120 may provide a database service, a stream service, and an enterprise resource management service. Since the application server 120 may make the gist of the present invention unclear to those skilled in the art, it will not be described in detail below.

FIG. 2 is a diagram illustrating the middleware server in FIG. 1 in detail. As shown, the middleware server includes an interface unit 200, a processor 220, and a storage 210.

3 is a view showing in detail the interface unit in FIG. The interface unit includes a network interface unit 300 and an application interface unit 310. As shown, the network interface unit 300 controls communication between the middleware server, at least one of the RFID reader 100 and the USN node device. The application interface 310 controls to perform communication between the middleware server and the application server.

4 is a diagram illustrating in detail a network interface unit of FIG. 3. As illustrated, the network interface unit includes a plurality of communication module units 400, a network adapter 410 unit, and an interface processing module unit 420.

The plurality of communication module units 400 may include an RS-232C communication module unit 401, a USB communication module unit 402, a CDMA communication module unit 403, a LAN communication module unit 404, and the like. The communication module unit receives data from at least one of an RFID reader and a USN node through various interface schemes.

The plurality of data input to the middleware server through each communication module unit 400 is collected by the interface processing module 420 through a network adapter 410.

The storage unit 210 stores contents related to processing of data received from at least one of an RFID reader and a USN node. For example, the device content storage unit for storing the content of the device for outputting information of at least one of the error content storage unit, the RFID reader and the USN node device that stores the information about the error information when the data is wrong, It includes a context information content storage unit for storing the content of the specific situation, the legacy storage unit for storing the content for the external database.

The storage unit 210 may be configured by at least one set of a plurality of SRAM, DRAM, SDRAM, RDRAM, DDR memory, flash memory, Nand flash memory, or hard disk. The storage unit 210 is electrically connected to the processor and may receive and store data from the processor.

FIG. 5 is a detailed view of the processor of FIG. 2. As shown, the processor is a device manager 500, data information determination processing unit 510, data processing unit 570, error data unit 520, job scheduler 530, failure processing unit 540, query processing unit 550 and a metadata management unit 560.

6 is a view illustrating in detail the device management unit in FIG. As shown, the device manager includes a device information search engine unit 600 and a device information processing module 610.

The device information processing module 610 receives and processes contents of a plurality of previously stored devices from a device content storage unit, which is one of storage units.

The device information search engine unit 600 may select contents of a plurality of devices processed by the device information processing module 610 according to an external input. That is, the device is configured to be selected when a command for searching for a specific device is input.

The data information determination processing unit 510 determines which data is inputted from the data inputted and collected through the network interface unit using information on a device included in the device manager 500. Since a unique identification element exists for each unique device that sends data to a plurality of RFID readers or USN node devices connected to the middleware server, it is determined using this. However, the data information determination processing unit is not necessarily limited to the determination using the unique identification element described above in determining the device.

FIG. 7 is a detailed view of the data processor of FIG. 5. As shown, the data processor RFID data processor 700, USN data processor 710 is included.

The RFID data processing unit 700 receives only data related to RFID among data determined by the data information determination processing unit, and processes the data. The data processing may be an analysis of whether a specific event is input to the data. The RFID data processor 700 receives data output from the data information determination processor to define an RFID code system, collect data, control data flow, filter data, process data, and process data. The data is processed in order to notify the processing result.

The USN data processor 710 receives only data related to the USN from among the data determined by the data information determination processor, and processes the data. USN data processing is also an analysis of whether a specific event is entered into the data. The USN data processor 710 receives data output from the data information determination processor to define a USN data packet, collect data, convert data, filter data, process data, and process data. The data is processed in the order of notifying.

The data processed by the data processing unit may be output to each application server through the application interface unit.

The error data unit 520 manages data on errors that occur during data processing in the data processing unit 570. In processing the data in the RFID data processing unit or the USN data processing unit, the data in which an error occurs is received and stored in a form that can be stored in the error content storage unit.

The job scheduler 530 receives data processed by the data processor 570, that is, a specific event and performs an event according to a preset schedule. That is, the task scheduler 530 recognizes when a specific event should occur using information previously stored in the event for the received data, and accordingly, the data is sent to the application server 120 to generate a specific event. Send.

On the other hand, the job scheduler 530 includes not only a batch process but also a configuration for performing an event in association with an external storage unit.

FIG. 8 is a diagram illustrating the failure processing unit in FIG. 5 in detail. As shown, the failure processing unit 540 processes a failure that occurs when an event is generated using an external storage. The failure processing unit 540 includes an external connection unit 800, a schema information management unit 810, and a failure processing module unit 820.

The external connection unit 800 receives an event that should occur in association with the external storage unit 210 from the job scheduler 530. The external connection unit 800 reads the contents of the external database that must be operated in cooperation with the legacy storage unit 210.

The schema information manager 810 stores information about a table constituting an external database. The schema information manager 810 may be integrally formed with the external connector 800.

The failure processing module unit 820 processes the failure in connection with an external storage unit in the external connection unit 800 or a table configuration in the schema information management unit 810.

The query processing unit 550 includes a query processing module and enables searching for data collected and processed intelligently through the module.

The metadata management unit 560 manages data to allow access to meta information including an middleware setting, a network setting, and a packet definition through an application server.

On the other hand, while shown and described in connection with a specific preferred embodiment of the present invention, various modifications and changes of the present invention without departing from the spirit or field of the invention provided by the claims below It can be easily understood by those skilled in the art.

1 is a diagram illustrating an entire system including a middleware server according to the present invention.

FIG. 2 illustrates the middleware server in FIG. 1 in detail; FIG.

3 is a view showing in detail the interface unit in FIG.

4 is a view showing in detail the network interface unit in FIG.

FIG. 5 is a detailed view of the process unit in FIG. 2; FIG.

6 is a view showing in detail the device management unit in FIG.

FIG. 7 is a view showing details of a data processing unit in FIG. 5; FIG.

FIG. 8 is a diagram illustrating details of the failure processing unit in FIG. 5; FIG.

Claims (17)

At least one heterogeneous RFID reader, a heterogeneous USN node device, a middleware server receiving and processing data from at least one of the heterogeneous RFID reader and heterogeneous USN node device, and receiving data processed by the middleware server to provide various services In a system comprising an application server, The middleware server includes an interface unit for communicating with the outside, a process unit for receiving and processing data read from an RFID reader or a USN node from the outside, and contents related to the processing of data received from at least one of the RFID reader and the USN node. Including a storage unit for storing, The interface unit may include a network interface unit controlling communication between at least one of a middleware server, an RFID reader, and a USN node device, and an application interface unit controlling communication between the middleware server and the application server. The processor unit includes a device manager that manages a device, a data information determination processor that determines which data is received from the interface unit, a data processor that processes the data received by the interface unit, and the data. An error data unit that manages data about errors occurring during data processing in a processing unit, a task scheduler which receives data processed by the data processing unit and performs an event according to a preset schedule, and is connected with an external storage unit To handle failures that occur when an event is triggered, and metadata to enable access to the query processing unit and meta-information that enables the search for data collected and processed intelligently through the module through the application server. Including the management department, The storage unit may include an error content storage unit for storing information on error information when data is wrong, a device content storage unit for storing contents of at least one of an RFID reader and a USN node device; System for using a heterogeneous RFID / USN integrated middleware server, characterized in that it comprises a context information content storage unit for storing the content for a specific situation and a legacy storage unit for storing the content for the external database. delete delete delete delete The method of claim 1, The network interface unit A plurality of communication module units for receiving data from at least one of an RFID reader and a USN node through various interface schemes; An interface processing module configured to collect a plurality of data input to the middleware server through the communication module through a network adapter; System using heterogeneous RFID / USN integrated middleware server comprising a. delete The method of claim 1, The storage unit; An error content storage unit for storing information on error information when data is wrong; An apparatus content storage unit for storing contents of an apparatus for outputting at least one information of at least one of an RFID reader and a USN node; A context information content storage unit for storing content about a specific situation; Legacy storage unit for storing the contents for the external database; System using heterogeneous RFID / USN integrated middleware server including. delete delete The method of claim 1, The device management unit A device information processing module for receiving contents of a plurality of previously stored devices from the storage unit; And System heterogeneous RFID / USN integrated middleware server comprising a device information search engine for selecting the contents of the plurality of devices processed in the device information processing module according to an external input. The method of claim 1, The data processing unit, An RFID data processor configured to receive and process data related to RFID; And USN data processing unit for receiving and processing data related to the USN; heterogeneous RFID / USN system using the middleware server. The method of claim 12, The RFID data processor receives the data output from the data information determination processor to define an RFID code system, collect data, control data flow, filter data, process data, and notify data processing results. System using heterogeneous RFID / USN integrated middleware server, characterized in that to process the data. The method of claim 12, The USN data processing unit receives data output from the data information determination processing unit to define a USN data packet, collect data, convert data, filter data, process data, and notify data processing results. System using heterogeneous RFID / USN integrated middleware server characterized by processing data .. The method of claim 1, The job scheduler is a system using a heterogeneous RFID / USN integrated middleware server, characterized in that not only batch processing but also configured to perform an event in association with an external storage. The method of claim 1, The failure processing unit An external connection unit configured to receive an event to be generated in association with an external storage unit from the job scheduler; A schema information management unit which stores information about a table constituting an external database; And System for using heterogeneous RFID / USN integrated middleware server comprising a; failure processing module unit for processing the connection with the external storage or when a failure of the table configuration occurs. The method of claim 1, The meta information includes a middleware setting, a network setting, and a packet definition, wherein the heterogeneous RFID / USN integrated middleware server is used.

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