KR20110066336A - Method for storing rfid tag information and near field communication terminal using thereof - Google Patents

Abstract

PURPOSE: An electronic tag information storage method and an NFC terminal using the same are provided to improve the performance of the NFC terminal by storing electronic tag information obtained through an NFC chip in a smart card and offering the electronic tag information to an application. CONSTITUTION: An NFC(Near Field Communication) unit(220) acquires electronic tag information through communication with an electronic tag. A PCS controller(210) receives the electronic tag information and offers it to an application. A smart card(230) makes match the electronic tag information to application information and stores it. The NFC unit stores directly the electronic tag information in the smart card by using an SWP(Single Wired Protocol).

Description

METHOD FOR STORING RFID TAG INFORMATION AND NEAR FIELD COMMUNICATION TERMINAL USING THEREOF}

The present invention relates to electronic tag information storage, and more particularly, electronic tag information obtained through an NFC chip in a near field communication (NFC) terminal, for example, RFID tag information is stored in a smart card, and smart By providing the electronic tag information stored in the card to the application, an electronic tag information storage method that can improve the performance of the terminal and the NFC terminal using the same.

Mobile devices are a combination of smart cards and mobile devices, such as Subscriber Identity Module (SIM), User Identity Module (UIM), and Universal Subscriber Identity Module (USIM), starting with the first generation of analog services and the second and second generations. It has evolved into a generational service.

As described above, smart cards such as SIM, UIM, and USIM are modules for storing personal information (communication service provider and user password, roaming information, user's personal phone number, etc.) of the mobile terminal user for the purpose of user authentication. Its portability makes it easy to use mobile phones and e-commerce services, including international roaming, regardless of device type or carrier.

In addition, smart card not only protects personal information when a mobile terminal is lost or replaced due to its strong security function, but also provides a payment and authentication function that requires security. .

In general, a smart card refers to a card that can store a large amount of information by mounting an integrated circuit (IC) memory device. A small card having its own operating system without an input device such as a keyboard and an output device such as a monitor is present. Can be viewed on a computer That is, a smart card functions as a central processing unit (CPU) called a microprocessor, a read only memory (ROM) in which system programs such as an operating system are stored, a random working memory (RAM), and a hard disk of a computer. EEPROM (Electrically Erasable Programmable Read Only Memory) is provided.

Such smart cards can be classified into various types according to their classification criteria, but can be classified into contact cards and contactless cards according to the way data is read.

In addition, with the development of near field communication technology, a smart card using NFC (Near Field Communication) technology has been developed. In order to use such a smart card, a mobile terminal must embed an NFC chip. NFC chip is a chip that can simultaneously perform the tag function with the RFID reader function in 13.56 [MHz] band is possible for short-range data communication.

NFC terminals equipped with such NFC chips can be contactlessly compatible with mobile phones, home appliances, and PCs, thereby enabling various electronic payment functions such as a transportation card function without touching the payment terminal.

As shown in FIG. 1, a conventional NFC terminal having an NFC chip requests RFID tag information to an NFC chip through a terminal control unit, for example, a mobile station modem (MSM) chip in a terminal application using an NFC reader function. The NFC chip acquires information stored in the RFID tag through short-range data communication with the RFID tag, and transfers the stored information to the terminal controller.

The terminal controller provides the RFID tag information obtained through the NFC chip to the corresponding terminal application and simultaneously stores the RFID tag information in the terminal memory.

Thereafter, when the terminal application requests the RFID tag information stored in the terminal memory, the terminal controller searches for the RFID tag information stored in the terminal memory and provides it to the corresponding terminal application.

However, in the conventional method of storing the electronic tag information of the NFC terminal, since the RFID tag information is stored in the terminal memory provided in the terminal, when the terminal internal memory is insufficient or the terminal is replaced, the corresponding information may be lost, and the terminal controller Due to the processing of the terminal, the performance of the terminal may be degraded. Furthermore, since the RFID tag information is stored in the terminal memory, it is difficult to accommodate the requirements for various applications.

An object according to an embodiment of the present invention, which was created to solve the above problems, stores electronic tag information obtained through an NFC chip in a smart card using a single wired protocol (SWP), and uses an applet or By providing electronic tag information stored through a servlet and a smart card web server (SCWS) to an application, to provide an electronic tag information storage method and NFC terminal using the same can improve the performance of the NFC terminal.

Another object according to an embodiment of the present invention, by storing the electronic tag information in a smart card, can be accessed from a variety of interfaces, and even using the electronic tag information storage method that can reuse the electronic tag information even if the terminal is replaced and using the same An NFC terminal is provided.

In order to achieve the above object, an electronic tag information storage method according to an aspect of the present invention is a method for storing electronic tag information of a near field communication (NFC) terminal, the electronic tag information requested from the application using an NFC chip Obtaining using; Providing the electronic tag information obtained from the NFC chip to the application; And storing the electronic tag information obtained from the NFC chip in a smart card provided in the NFC terminal.

Preferably, the storing may directly store the electronic tag information in the smart card using a single wired protocol (SWP) in the NFC chip.

Preferably, the storing may receive the electronic tag information from the NFC chip in the control unit of the NFC terminal and store the electronic tag information in the smart card.

Preferably, the storing may be performed in a memory provided in the smart card through an applet of the smart card or in the smart card through a servlet and a smart card web server (SCWS) of the smart card. It can be stored in the provided memory.

Preferably, the storing may match the electronic tag information with the application information in the smart card and store the electronic tag information in a preset format.

Electronic tag information providing method according to an aspect of the present invention comprises the steps of requesting the smart tag information requested by the application to the smart card; Extracting the application information from the message requesting the electronic tag information in the smart card; And searching for electronic tag information matched with the application information extracted from the electronic tag information pre-stored in the smart card and providing the same to the application.

NFC terminal according to an aspect of the present invention comprises an NFC unit for obtaining the requested electronic tag information through communication with the electronic tag; A terminal control unit providing the electronic tag information requested from an application to the NFC unit, and receiving the electronic tag information obtained by the NFC unit from the NFC unit and providing the electronic tag information to the application unit; And a smart card for matching the electronic tag information obtained by the NFC unit with the application information and storing the matching information.

Preferably, the terminal control unit receives electronic tag information stored in the smart card from a first application and provides the electronic tag information to the smart card, and the smart card extracts the first application information, and among the prestored electronic tag information. The electronic tag information matched with the extracted first application information may be retrieved and provided to the first application through the terminal controller.

Other objects and features of the present invention in addition to the above objects will be apparent from the description of the embodiments with reference to the accompanying drawings.

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

Hereinafter, a method of storing electronic tag information and an NFC terminal using the same according to an embodiment of the present invention will be described in detail with reference to FIGS. 2 to 6.

NFC chip is a chip that can simultaneously perform tag function with RFID reader function in 13.56 [MHz] band, and can acquire electronic tag information through short-range data communication, and smart card is IC (Integrated Circuit) memory device. The card can be mounted on or detachably connected to a mobile terminal to contain a large amount of information. For example, a subscriber identification module (SIM) card, a user identification module (UIM) card, a remote user identification module (RUIM) card. , A Universal Subscriber Identification Module (USIM) card, a financial card, and the like.

These smart cards act as central processing units (CPUs) called microprocessors, read-only memory (ROM) where system programs such as the operating system are stored, random access memory (RAM) as a temporary working space, and the hard disk of a computer. EEPROM (Electrically Erasable Programmable Read Only Memory) is provided.

The present invention improves the performance of the NFC terminal by accessing the electronic tag information obtained by using the above-described NFC chip, for example, RFID tag information in a predetermined format in a smart card, and can be accessed from various interfaces. That's the point.

The smart card is various, such as SIM, UIM, USIM, but in the detailed description of the present invention, it is assumed that the smart card is a USIM. Of course, the description is limited to the USIM, but the smart card is not limited to the USIM, which is obvious to those skilled in the art.

Figure 2 shows the configuration for the NFC terminal according to an embodiment of the present invention.

Referring to FIG. 2, the NFC terminal includes a terminal controller 210, an NFC unit 220, and a USIM 230.

The terminal control unit 210 receives an electronic tag information, for example, RFID tag information attached to an item such as wine or wine from an application using the NFC reader function (APP. 0, APP. 1, etc.) and the NFC unit ( 220, and receives the electronic tag information obtained by the NFC unit 220 from the NFC unit 220 and provides the electronic tag information to the requesting application.

In this case, the terminal controller 210 may provide the electronic tag information received from the NFC unit 220 to the application requesting the electronic tag information and store it in a predetermined format in the memory 231 provided in the USIM 230. Electronic tag information can be stored in the smart card, that is, the memory 231 provided in the USIM 230 through an applet of the smart card or through a servlet and a smart card web server (SCWS). Can be.

In addition, when the terminal controller 210 receives the electronic tag information stored in the USIM 230 from the first application, the terminal controller 210 requests the electronic tag information that can be provided from the first application to the USIM 230, and requests the USIM 230. Electronic tag information related to the first application searched and selected by the user, for example, information including the electronic tag ID, URL, title, content, etc. is provided from the USIM 230 and provided to the first application.

Of course, the terminal controller 210 requests the electronic tag information through the applet or servlet and the smart card web server (SCWS) of the smart card, as in the case of storing the electronic tag information in the USIM 230, Can be provided.

When the NFC unit 220 receives electronic tag information through the terminal controller 210, the NFC unit 220 obtains electronic tag information stored in the electronic tag 240 from an external electronic tag 240 through short-range data communication using an NFC chip. Then, the obtained electronic tag information is provided to the terminal controller 210.

Here, the NFC unit 220 may directly store the electronic tag information obtained using a single wired protocol (SWP) in the memory 231 of the USIM.

That is, the present invention may be stored in the memory 231 of the USIM through the terminal control unit 210, but electronic tag information may be directly stored in the memory 231 of the USIM by using the SWP in the NFC unit 220.

USIM 230 is a smart card that is essential to WCDMA terminal and developed by adding new standard or characteristic for mobile communication environment while utilizing general standard of existing smart card, and saving IMSI (International Mobile Subscriber Identity) information. By using the user authentication and global roaming functions provided by the SIM card and the Roaming User Information Module (R-UIM) card, respectively, in the second generation mobile communication GSM and CDMA environment, the USIM 230 in the present invention Electronic tag information received through the terminal control unit 210 or through the SWP with the NFC unit 220 is stored in the memory 231 provided in the USIM 230 in a predetermined format.

Here, the USIM 230 may store the electronic tag information received from the terminal control unit 210 or the NFC unit 220 in a preset format. An example of application information that may access the electronic tag information when the electronic tag information is stored. For example, by matching and storing the application ID, it is preferable to enable the application requesting the electronic tag information stored in the USIM to retrieve at least one or more electronic tag information that can be provided in the corresponding application.

For example, as shown in the example shown in FIG. 3, an application ID (APP. ID) 310, which is application information, includes an electronic tag ID, a URL, a title, and contents that are electronic tag information. Matched and stored, the electronic tag set 320 does not include all the electronic tag ID, URL, title and content. For example, in the case of tags 1 and 2, an electronic tag ID and a URL are included. In the case of tags 3 and 4, an electronic tag ID, a URL, and a title are included. In the case of Tag M, it includes all of Electronic Tag ID, URL, Title and Content.

In this case, the application IDs (APP. 1 to APP.N) 310 means application information, and when the electronic tag information is stored in the memory of the USIM, the application ID may be provided or the application ID requested the electronic tag information. Corresponds to Of course, the application information is not limited to the application ID, but may be various information for identifying the application.

The electronic tag information 320 is data stored in the electronic tag, and may include an electronic tag ID, a URL, a title, and content information according to a data type stored in the electronic tags Tag 1 to Tag M.

The USIM 230 extracts the first application information from the requested message when the electronic tag information about the first application is requested from the terminal controller 210 and extracts the first application information from the electronic tag information stored in the memory 231 of the USIM. The terminal searches for the first application ID, and provides electronic tag information matched with the first application ID to the first application through the terminal controller 210.

Of course, the USIM 230 may be requested electronic tag information from the terminal control unit 210 through the applet of the USIM, may be requested electronic tag information from the terminal control unit 210 through the servlet and the SCWS of the USIM, When providing the received electronic tag information to the terminal control unit 210 may be provided through the applet of the USIM, or may be provided through the USIM servlet and SCWS, the USIM 230 is an applet of the USIM from the terminal control unit 210 In the case where the electronic tag information is requested through the USIM, it is preferable to provide the electronic tag information to the terminal controller 210 through the applet of the USIM, and when the electronic tag information is requested from the servlet and the SCWS of the USIM from the terminal controller 210. Preferably, the electronic tag information is provided to the terminal controller 210 through the servlet of the USIM and the SCWS.

As such, the NFC terminal according to an embodiment of the present invention stores the electronic tag information obtained through the NFC chip in a smart card using the SWP or the terminal control unit, to an article such as wine, liquor, etc. to which the electronic tag is attached. It can be provided through the smart card, and this can solve the problems that may be caused by the terminal change or the lack of memory in the terminal, and to reduce the load of the terminal controller, for example MSM chip to improve the performance of the terminal You can also improve.

In addition, since the electronic tag information is stored in the smart card, access is possible in various interfaces, and the electronic tag information can be stored and managed through the smart card, thereby providing convenience to the user.

4 is a flowchart illustrating a method for storing electronic tag information of an NFC terminal according to an embodiment of the present invention, and relates to a process of storing the electronic tag information from the terminal controller to the USIM.

Referring to FIG. 4, when the electronic tag information storage method requests electronic tag information from the application having an NFC reader function to the terminal controller, the terminal controller transmits the electronic tag information request to the NFC unit (S410).

The NFC unit obtains electronic tag information stored in the electronic tag, for example, information including a tag ID, a URL, a title, and contents through short-range data communication with an RFID tag, and transmits the information to the terminal controller. Thus, the terminal controller provides the electronic tag information to the requested application (S420 and S430).

The terminal controller provides the application information requesting the electronic tag information to the electronic tag information obtained by the NFC unit, for example, a corresponding application ID, to the USIM (S440).

Here, the terminal control unit may provide electronic tag information including application information to the USIM through an applet of the USIM, or to the USIM through a servlet and SCWS of the USIM. Of course, depending on the type of command for providing the electronic tag information to the USIM from the terminal control unit may be provided through the applet of the USIM, may be provided through the servlet and SCWS of the USIM.

The USIM extracts application information and electronic tag information, for example, tag ID, URL, title, and content from the electronic tag information provided from the terminal controller, and matches the extracted electronic tag information with the application information to store the memory of the USIM. Store in (S450).

In this case, a method of storing the electronic tag information by matching the application information with the USIM may be performed according to a preset format or format.

Although the terminal control unit provides the electronic tag information to the corresponding application (S430) and the electronic tag information to the USIM (S440) is shown as being made in sequence, the order of the two steps may be changed or two steps It may be performed at the same time.

FIG. 5 is a flowchart illustrating a method for storing electronic tag information of an NFC terminal according to another embodiment of the present invention, and relates to a process of directly storing electronic tag information from a NFC unit to a USIM.

Referring to FIG. 5, when the electronic tag information storage method requests electronic tag information from an application having an NFC reader function to the terminal controller, the terminal controller transmits the electronic tag information request to the NFC unit (S510).

The NFC unit obtains the electronic tag information stored in the electronic tag, for example, a tag ID, a URL, a title, and content through short-range data communication with the electronic tag, and transfers the tag information to the terminal control unit, thereby obtaining the electronic tag information from the terminal control unit. The electronic tag information is provided to the corresponding application (S520, S530).

The NFC unit directly provides the USIM with information including the electronic tag information obtained by the NFC chip and the application information (APP. ID) requesting the electronic tag information using the SWP (S540).

Of course, the NFC unit may be provided with the application information requesting the acquired electronic tag information, for example, an application ID when the electronic tag information is requested from the terminal controller, but is not limited thereto, and provides the application information requesting the electronic tag information. It is obvious that various ways of receiving can be applied.

Here, the NFC unit may provide the electronic tag information including the application information to the USIM through the USIM applet or the USIM through the servlet and the SCWS of the USIM using the SWP.

USIM extracts the application information and the electronic tag information, for example, tag ID, URL, title and content from the electronic tag information provided from the NFC unit, and matches the extracted electronic tag information with the application information to memory of the USIM. Store in (S550).

4 and 5, the electronic tag storage method according to the present invention transfers the electronic tag information requested by the application using the NFC reader function through the terminal control unit or the NFC unit to the USIM memory of the USIM. By storing the electronic tag information in the conventional terminal memory, problems may be eliminated.

By using the method of FIGS. 4 and 5, various types of electronic tag information stored in the USIM may be provided by a request of a corresponding application or another application, which will be described with reference to FIG. 6.

6 is a flowchart illustrating an operation of providing electronic tag information stored in a USIM.

Referring to FIG. 6, at least one electronic tag information obtained by the NFC chip in the first application (APP. 1) and stored in the USIM is requested to the USIM through the terminal controller (S610).

In this case, the terminal control unit preferably provides information about the first application, for example, the first application ID (APP. 1) to the USIM, and the terminal control unit requests electronic tag information through an applet of the USIM or through a servlet and SCWS. You can request electronic tag information.

The USIM extracts first application information included in the message from a message received from the terminal control unit, for example, an electronic tag information request message, and retrieves a plurality of electronic tag information stored by matching with application information in a memory. Electronic tag information matching the first application information (APP. 1) is selected (S620 and S630).

For example, referring to FIG. 3, the USIM searches for a memory in which electronic tag information is stored and corresponds to application information in a table in which electronic tag information is stored. Among the IDs, two electronic tag information matching the first application information (APP. 1), that is, Tag 1, URL 1, Tag 2, and URL 2 are selected.

The USIM may provide electronic tag information selected from the plurality of electronic tag information to the terminal controller, thereby providing the electronic tag information to the first application through the terminal controller (S640).

Of course, even when the USIM provides the electronic tag information selected as the terminal controller, it may be provided through an applet of the USIM or through a servlet of the USIM.

Electronic tag information storage method and the NFC terminal using the same according to the present invention can be modified and applied in various forms within the scope of the technical idea of the present invention and is not limited to the above embodiments. In addition, the embodiments and drawings are merely for the purpose of describing the contents of the invention in detail, and are not intended to limit the scope of the technical idea of the invention, the present invention described above is a general support in the technical field to which the present invention belongs. Various substitutions, modifications, and changes are possible in the art having the formula without departing from the spirit and scope of the present invention, which is not limited to the embodiments and the accompanying drawings. Judgment should be made including scope and equivalence.

1 is a flowchart illustrating a method of storing electronic tag information in an NFC terminal having a conventional NFC chip.

Figure 2 shows the configuration for the NFC terminal according to an embodiment of the present invention.

3 illustrates an example of a format for storing electronic tag information in a memory of a USIM.

4 is a flowchart illustrating an operation of a method for storing electronic tag information of an NFC terminal according to an embodiment of the present invention.

5 is a flowchart illustrating an operation of a method for storing electronic tag information of an NFC terminal according to another embodiment of the present invention.

6 is a flowchart illustrating an operation of providing electronic tag information stored in a USIM.

<Explanation of symbols for the main parts of the drawings>

210: terminal control unit

220: NFC

230: USIM

Claims (13)

In a method for storing electronic tag information of an NFC (near field communication) terminal, Obtaining electronic tag information requested from an application using an NFC chip; Providing the electronic tag information obtained from the NFC chip to the application; And Storing the electronic tag information obtained from the NFC chip in a smart card provided in the NFC terminal; Electronic tag information storage method comprising a. The method of claim 1, The storing step And storing the electronic tag information directly in the smart card using a single wired protocol (SWP) in the NFC chip. The method of claim 1, The storing step Electronic tag information storage method, characterized in that for receiving the electronic tag information from the NFC chip in the control unit of the NFC terminal and stored in the smart card. The method of claim 1, The storing step Electronic tag information storage method, characterized in that for storing in the memory provided in the smart card through the applet (applet) of the smart card. The method of claim 1, The storing step And storing the smart tag information in a memory provided in the smart card through a servlet of the smart card and a smart card web server (SCWS). The method of claim 1, The storing step And storing the electronic tag information in the predetermined format by matching the application information with the application information in the smart card. Requesting the electronic tag information requested from the application to the smart card; Extracting the application information from the message requesting the electronic tag information in the smart card; And Searching for electronic tag information matching the application information extracted from the electronic tag information stored in the smart card and providing the same to the application; Electronic tag information providing method comprising a. The method of claim 7, wherein The requesting step Providing the electronic tag information, characterized in that the smart card request the electronic tag information requested from the application through an applet of the smart card or a servlet of the smart card and a smart card web server (SCWS). Way. NFC unit for obtaining the requested electronic tag information through the communication with the electronic tag; A terminal control unit providing the electronic tag information requested from an application to the NFC unit, and receiving the electronic tag information obtained by the NFC unit from the NFC unit and providing the electronic tag information to the application unit; And Smart card for matching the electronic tag information obtained by the NFC unit with the application information to store NFC terminal comprising a. 10. The method of claim 9, The NFC unit The NFC terminal, characterized in that for storing the electronic tag information obtained by using a single wired protocol (SWP) directly to the smart card. 10. The method of claim 9, The terminal controller NFC terminal, characterized in that for receiving the electronic tag information obtained by the NFC unit and stored in the smart card. 10. The method of claim 9, The smart card is An NFC terminal, wherein the electronic tag information is received through an applet of the smart card or received through a servlet and a smart card web server (SCWS) of the smart card. 10. The method of claim 9, The terminal controller Receiving electronic tag information stored in the smart card from a first application and providing the same to the smart card; The smart card is Extracting the first application information from the message received from the terminal control unit, and searching the electronic tag information matching the extracted first application information among the electronic tag information stored in advance to the first application through the terminal control unit; NFC terminal, characterized in that provided.

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