KR101157541B1 - The system of issuing a p2p coupon and method thereof - Google Patents

Abstract

PURPOSE: A system and method for issuing P2P(Peer to Peer) coupons are provided to enable a user to receive desired coupons by providing NFCDEF(Near Filed Communication Data Exchange Format) coupons to an NFC terminal. CONSTITUTION: A coupon server(10) creates NFCDEF data including coupon information. When the authentication of the NFCDEF data is requested, the coupon server authenticates the validity of the coupon information. A message transmission server(20) receives the NFCDEF data from the coupon server. The message transmission server transmits and creates messages including the NFCDEF data. A member NFC terminal(30) transmits the separated NFCDEF data to a member store NFC terminal(40).

Description

The system of issuing a P2P coupon and method

The present invention relates to a P2P coupon issuing system and a method thereof, and more particularly, transmits coupon information of an NDEF (NFC Data Exchange Format) method to a near field communication (NFC) terminal, and the NFC terminal uses an NFC communication scheme. The present invention relates to a system and a method for authenticating a coupon in an NFC terminal received by transmitting coupon information.

As an information society, each individual has their own mobile communication terminal and always carries it.

Mobile communication terminals have become an important device in the information life, and recently, mobile communication terminals have been used as payment means such as financial settlements in addition to communication means.

Furthermore, in addition to the conventional means of cash and credit cards, coupons separated by a predetermined identification number or letter issued in advance through the Internet have been utilized in the form of outputting them through the output means to present at the time of transaction.

In addition, there is a transaction in which a certain portion of the transaction is discounted or additional services are made by presenting a coupon.

However, there is a risk of loss or inconvenience of carrying. However, in order to improve this, in recent years, in order to improve this, coupons are printed out separately. In other words, the mobile communication terminal is always carried and used wirelessly.

However, even when presenting a coupon through the current mobile communication terminal, there was a problem that it is difficult to determine the contents of the benefits and the validity of the coupon according to the coupon type.

In addition, there is a problem in that it is difficult to prevent the duplication by using it due to the characteristics issued through the mobile communication terminal.

The present invention, in order to solve the conventional problem, by generating the NDEF data including the coupon information and received the generated NDEF data to the NFC terminal when transmitting a coupon easily through the P2P (Peer To Peer) method NFC received An object of the present invention is to provide an NDEF coupon issuing system and a method for authenticating the details and validity of coupons in a terminal.

Another object of the present invention is to prevent unauthorized theft of the coupon through the authentication process of the NFC terminal.

Other objects of the present invention will be readily understood through the following description of the embodiments.

P2P coupon issuing system according to the present invention generates a NDEF data including coupon information, and a coupon server for authenticating the NDEF data; A message transmission server for transmitting a message including NDEF data; Member NFC terminal to analyze the message and deliver the NDEF data to the merchant NFC terminal in the NFC communication method; And merchant NFC terminal for requesting authentication of the NDEF data to the coupon server; . ≪ / RTI >

Coupon server in the present invention is a coupon server communication unit for communicating with the member NFC terminal or merchant NFC terminal; Coupon issuing unit for generating coupon information; An NDEF data generation unit generating NDEF data including coupon information; And an authentication processing unit for processing authentication for the NDEF data; It may be characterized in that it comprises a.

In the present invention, the NDEF data generation unit may be characterized by generating by encrypting the NDEF data.

Member NFC terminal in the present invention is a terminal communication unit for communicating with the coupon server; A message receiver for communicating with a message transmission server to receive a message; A terminal analysis controller for analyzing the message, displaying the message contents, and separating the NDEF data;

A terminal storage unit storing separated NDEF data; And terminal NFC communication unit for transmitting the separated NDEF data to the merchant NFC terminal through the NFC communication method; It may include.

In the present invention, the terminal analysis control unit may be characterized by analyzing the encrypted NDEF data when the NDEF data is encrypted NDEF data.

In the present invention, the coupon server may be characterized in that the authentication for the member NFC terminal to authenticate the NDEF data.

In the present invention, the message may be any one selected from a message transmitted through a Short Message Service (SMS), a Multimedia Messaging Service (MMS), or a Push Service.

P2P coupon issuing method according to the present invention comprises the steps of generating a NDEF (NFC Data Exchange Format) data including coupon information corresponding to the coupon issuance request in the coupon server; The coupon server transmitting the NDEF data to the message transmission server; The message transmission server transmits a message including NDEF data to a member near field communication (NFC) terminal; A member NFC terminal analyzing the message to find out the NDEF data; Forming a peer to peer (P2P) session by the member NFC terminal and the affiliated NFC terminal; Transmitting and receiving NDEF data between the member NFC terminal and the affiliated NFC terminal by using an NFC communication method; And authenticating the NDEF data between the affiliated NFC terminal and the coupon server. It may include.

In the present invention, the NDEF data may be transmitted as encrypted NDEF data that has undergone an encryption process.

In the present invention, the message transmission server may be a message transmission server of a mobile communication company or a server for transmitting a push message.

In the present invention, the step of authenticating the NDEF data between the merchant NFC terminal and the coupon server, the authentication of the member NFC terminal between the coupon server and the member NFC terminal; As shown in FIG.

In the present invention, the authentication of the member NFC terminal may be performed through PIN (Personal Identification Number) authentication.

P2P coupon issuing method according to the present invention comprises the steps of generating a NDEF (NFC Exchange Format) data including coupon information corresponding to the coupon issuance request in the coupon server; The coupon server transmitting the NDEF data to the message transmission server; The message transmission server transmits a message including NDEF data to a member near field communication (NFC) terminal; A member NFC terminal analyzing the message to find out the NDEF data; Forming a peer to peer (P2P) session by the member NFC terminal and the affiliated NFC terminal; Transmitting and receiving NDEF data between the member NFC terminal and the affiliated NFC terminal by using an NFC communication method; Authentication of the NDEF data between the merchant NFC terminal and the coupon server; The merchant NFC terminal generates coupon collection data according to the authentication result of the NDEF data and delivers the coupon collection data to the coupon server; And a coupon server, registering and storing coupon collection data and delivering registration completion information to the affiliated store NFC terminal. It may include.

P2P coupon issuing system and method according to the present invention, since the coupon is issued to the NFC terminal in the form of NDEF data can be delivered to the desired terminal to be carried to the NFC terminal regardless of the place and time, the coupon information to the other party NFC terminal It is convenient to verify the type, use history and validity of the coupon because it passes through the authentication process, and has the effect of preventing unauthorized use of the coupon through the authentication process of the NFC terminal.

1 is a diagram showing the configuration of a P2P coupon issuing system according to an embodiment of the present invention.
2 is a block diagram of a coupon server according to an embodiment of the present invention.
3 is a diagram showing the structure of NDEF data according to an embodiment of the present invention;
Figure 4 is a block diagram of a member NFC terminal according to an embodiment of the present invention.
Figure 5 is a block diagram of a merchant NFC terminal according to an embodiment of the present invention.
Figure 6 is a flow chart of a P2P coupon issuing method according to an embodiment of the present invention.
7 is a flowchart illustrating that a terminal authentication process is performed in a member NFC terminal according to an embodiment of the present invention. And
8 is a flowchart illustrating a process of generating coupon collection data according to an embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to the specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Near field communication (NFC) uses a radio frequency of 13.56 MHz to communicate at a distance of about 10 centimeters (cm), resulting in low power consumption, data communication at up to 424 K bps, and contactless RFID technology. It is compatible with, and the communication mode is active and passive, and operates in any one of them selected.

The NFC mobile terminal wirelessly connects with the base station for mobile communication, moves freely inside the service area, wirelessly communicates with a desired counterpart, and uses a radio frequency of 13.56 MHz to communicate with the RF or NFC. Near field communication.

Here, when the NFC mobile terminal communicates with the other party NFC mobile terminal by NFC, any one mobile terminal may operate as a reader.

NFC is a method of wireless communication at a short distance of 10 centimeters, so it uses a low power consumption card mode for electronic payments such as credit cards, and a P2P for one-to-one wireless connection to transmit and receive data signals. Mode, reader / writer mode for reading and checking simple information.

Hereinafter, embodiments of a P2P coupon issuing system and a method thereof according to the present invention will be described in detail with reference to the accompanying drawings. In the following description with reference to the accompanying drawings, the same or corresponding components are given the same reference numerals. Duplicate description thereof will be omitted.

1 is a diagram showing the configuration of a P2P coupon issuing system according to an embodiment of the present invention.

The system of the present invention is configured to include a coupon server 10, message transmission server 20, member NFC terminal 30, merchant NFC terminal 40.

The coupon server 10 generates NDEF data including coupon information according to a coupon issuance request after purchase of a coupon by a buyer.

The generated NDEF data is transmitted to the message transmission server 20.

The message transmission server 20 receives the NDEF data and includes it in the message and transmits it to the member NFC terminal. Here, the message transmission server 20 may be a mobile communication server subscribed to by an NFC terminal user who transmits an SMS message or an MMS message, or may be a server that delivers a push message using a User Datagram Protocol (UDP).

If the message transmission server 20 is a mobile communication server subscribed to by the member NFC terminal user, the message is analyzed by analyzing the NDEF data received from the coupon server 10 to find the terminal requesting the coupon issuance, and the received message contains the NDEF data. After generating the message, the message is transmitted to the corresponding terminal using a mobile communication network.

When the message transmission server 20 is a server that delivers a push message, the NDEF data received from the coupon server 10 is analyzed to find a terminal requesting a coupon, and then a message including the received NDEF data is generated. The message is transmitted to the corresponding terminal using a protocol such as UDP. In this case, the message transmission server 20 and the member NFC terminal 30 uses the corresponding dedicated program.

The member NFC terminal 30 receives the message from the message transmission server 20 and analyzes the received message to find out the NDEF data including the coupon information.

At the time of using the coupon, the merchant NFC terminal 40 of the coupon use place drives the P2P mode of the NFC communication, and transmits the identifier of the merchant NFC terminal with a request for transmitting the coupon.

The member NFC terminal 30 similarly drives the P2P mode of NFC communication to transmit the coupon information, and identifies the delimiter of the merchant NFC terminal 40 to form a P2P session.

Thereafter, the NDEF data including the coupon information in the member NFC terminal 30 is transmitted to the affiliated store NFC terminal 40.

Merchant NFC terminal 40 to the authentication coupon server 10 to authenticate the coupon information, including the type of coupon, the details of the coupon, the validity of the coupon, the buyer information of the coupon, etc. for the NDEF data received through the P2P request.

The coupon server 10 authenticates the coupon information according to the authentication request of the affiliated NFC terminal 40 and transmits the result accordingly.

A more detailed description of each device of the present invention will be described later.

2 is a block diagram of a coupon server 10 according to an embodiment of the present invention.

Coupon server 10 of the present invention is configured to include a coupon server communication unit 110, coupon issuing unit 120, NDEF data generation unit 130, authentication processing unit 140.

The terminal communication unit 110 performs a function of receiving a coupon issuance request from the member NFC terminal 30. In addition, when the coupon server 10 is not a server for issuing a coupon requested by the member NFC terminal 30, the terminal communication unit 110 performs a function of receiving coupon information by communicating with a server that issues the coupon.

The coupon issuing unit 120 performs a function of issuing a coupon requested by the NFC terminal 30. Here, issuing a coupon means generating coupon information available in the member NFC terminal 30.

If the coupon server 10 is not a server for issuing a coupon requested by the member NFC terminal 30, the coupon issuing unit 120 uses the coupon information received by communicating with the server for issuing the coupon, Issue it.

The NDEF data generator 130 performs a function of generating NDEF data including generated coupon information. The NDEF data generation unit 130 functions as a control unit of the coupon server 10 to control each component.

In addition, the NDEF data generator 130 may encrypt the coupon information to generate NDEF data including the encrypted coupon information, or may encrypt the NDEF data including the generated coupon information to generate encrypted NDEF data.

NDEF data including coupon information generated by the NDEF data generator 130 will be described later with reference to FIG. 3.

The authentication processor 140 processes NDEF data authentication requested by the affiliated NFC terminal 40. For example, the validity of the coupon information may be determined by checking the coupon information issued by the coupon issuing unit 120.

In addition, the authentication processing unit 140 performs an authentication function for the member NFC terminal 30. In the present invention, in order to prevent the unauthorized terminal to copy the coupon information to use without authorization in the authentication process of the coupon information in the merchant NFC terminal 40, the authentication processing unit 140 performs authentication for the member NFC terminal 30 do. In this case, authentication is mainly performed by using personal identification number (PIN) information.

In addition, the authentication processing unit 140 stores the coupon collection data generated and transmitted in the merchant NFC terminal 40. Accordingly, when the merchant NFC terminal 40 requests authentication of the NDEF data, it is possible to determine whether the coupon included in the NDEF data has already been used or whether the coupon has been stolen or stolen through the stored coupon collection data.

3 illustrates a structure of NDEF data according to the present invention as an embodiment of the present invention.

The NDEF data of the present invention means an NFC data format for an NFC device and a tag, and includes a header and a payload.

The header may include type information of NDEF data.

The payload includes a plurality of record type definitions (RTDs). RTD is a standard record type of a message used between an NFC device and a tag, and may include actual information.

Coupon information in the present invention may be included in one RTD, may be divided into a plurality of RTDs, respectively.

For example, when a user of the NFC terminal requests a plurality of coupon information, different coupon information may be included in each RTD. Alternatively, one piece of data including a plurality of coupon information may be divided and stored in each of the plurality of RTDs.

The NDEF data of the present invention includes information on the terminal as well as coupon information. Here, the information about the terminal means information for distinguishing the terminal that has requested the coupon issuance. Information of the terminal may also be included in the RTD.

The NDEF data may be NDEF data encrypted using a specific encryption method. When the NDEF data is encrypted, the header may include type information called encrypted NDEF data.

Figure 4 is a block diagram of a member NFC terminal according to an embodiment of the present invention.

NFC terminal 30 of the present invention is configured to include a terminal communication unit 310, a message receiving unit 320, a terminal analysis control unit 330, a terminal storage unit 340, the terminal NFC communication unit 350.

The terminal communication unit 310 transmits a coupon issuance request to the coupon server 10. In addition, at the time of authentication of the terminal to communicate with the coupon server 10 performs an authentication process. To this end, the terminal communication unit 310 includes a transceiver for wireless communication.

The message receiver 320 performs a function of receiving a message from the message transmission server 20.

The terminal analysis controller 330 analyzes the received message, displays the message contents, and separates NDEF data including coupon information.

In addition, the terminal analysis control unit 330 generates a coupon issuance request message and makes a coupon issuance request to the coupon server 10.

In addition, the terminal analysis control unit 330 performs a function of performing the terminal authentication procedure when the terminal authentication procedure is performed between the member NFC terminal 30 and the coupon server 10.

In addition, when the NDEF data is encrypted data, the terminal analysis controller 330 analyzes the encrypted NDEF data.

In addition, the terminal analysis controller 330 may generate respective NDEF data including different coupon information when a plurality of coupon information is included in the message.

In addition, the terminal analysis controller 330 may store a dedicated program when receiving and analyzing a message using a dedicated program and authenticating the terminal.

The terminal storage unit 340 may separately store the coupon information of the NDEF data of the message analyzed by the terminal analysis controller 330.

The terminal NFC communication unit 350 is separated and transmits the NDEF data stored in the terminal storage unit 340 to the affiliated store NFC terminal 40 using the NFC communication method.

To this end, the terminal NFC communication unit 350 is configured to include an antenna, NFC module for NFC communication.

5 is a block diagram of an affiliated store NFC terminal according to an embodiment of the present invention.

Merchant NFC terminal 40 according to an embodiment of the present invention is configured to include a wireless communication unit 410, the terminal analyzer 420, NFC communication unit 430.

Merchant NFC terminal 40 is preferably made of a detailed configuration functionally corresponding to the member NFC terminal 30.

Therefore, depending on the purpose of using the same NFC terminal can be used as a merchant NFC terminal or a member NFC terminal.

The merchant NFC terminal 40 may include a wireless communication unit 410 corresponding to the terminal communication unit 310 of the member NFC terminal 30 for requesting authentication of coupon information to the coupon server 10 and receiving the result. Can be. To this end, the wireless communication unit 410 includes a transceiver for wireless communication.

Merchant NFC terminal 40 includes a terminal analyzer 420 for generating coupon collection data including the date and time the coupon was used, the type and number of coupons used, the result of the authentication process of the coupon, the user information of the coupon, etc. can do. If the member NFC terminal is used as the merchant NFC terminal, the terminal analysis controller 330 serves to generate coupon collection data.

In addition, the terminal analyzer 420 generates a signal for requesting authentication of the received NDEF data, and requests and receives an authentication from the coupon server 10 through the wireless communication unit 410.

Merchant NFC terminal 40 may include an NFC communication unit 430 corresponding to the terminal NFC communication unit 350 of the member NFC terminal 30 to enable NFC communication constituting the P2P mode with the member NFC terminal 30. have. Accordingly, the NFC communication unit 430 of the affiliated NFC terminal 40 transmits a separator while driving the P2P mode, and forms a P2P session with the terminal NFC communication unit 350 of the member NFC terminal 30. NDEF data including coupon information is transmitted and received through a P2P session.

6 is a flowchart illustrating a P2P coupon issuing method according to an embodiment of the present invention.

In step S10, the member NFC terminal 30 requests the coupon issuance to the coupon server 10. That is, the member NFC terminal 30 generates a coupon issuance request message and transmits a coupon issuance request message to the coupon server 10.

Step S20 is a step of issuing a corresponding coupon according to the coupon request requested by the member NFC terminal 30 and generates NDEF data including the corresponding coupon information.

If the coupon server 10 is a server for issuing the corresponding coupon, the coupon server 10 generates coupon information and generates NDEF data including the generated coupon information.

If the coupon server 10 is not the server that issues the coupon, the coupon server communicates with the server that issues the coupon, requests for coupon issuance, receives coupon information, and generates NDEF data including the received coupon information. .

If encryption is applied here, the NDEF data may be encrypted NDEF data.

In step S30, the NDEF data generated by the coupon server 10 is transmitted to the message transmission server 20.

In step S40, the message transmission server 20 generates a message including the NDEF data.

In this case, when the message transmission server 20 is a server of a mobile carrier to which the member NFC terminal 30 subscribes, the message may be an SMS message or an MMS message, and the message transmission server 20 is a server that transmits a push message. The message may be a push message.

Step S50 is a step of transmitting the message generated by the message transmission server 20 to the member NFC terminal 30.

Here the message is sent to the over-the-air (OTA).

Step S60 is a step of analyzing the message received by the member NFC terminal 30. NFC terminal 30 analyzes the received message to display the message content and separates the NDEF data including the coupon information from the message. In the case of encrypted NDEF data, a process of interpreting the encrypted NDEF data is also performed.

In step S70, the member NFC terminal 30 and the affiliated NFC terminal 40 form a P2P session by NFC.

Merchant NFC terminal 40 drives the P2P mode, and requests the transmission of coupon information while transmitting a separator.

When the member NFC terminal 30 also drives the P2P mode and approaches the near field of the affiliated NFC terminal 40, a P2P session is formed by recognizing the identifier of the affiliated NFC terminal 40.

In step S80, NDEF data including coupon information separated in step S60 is transmitted to the affiliated store NFC terminal 40 through a P2P session.

In step S90, authentication of the NDEF data including the coupon information transferred to the affiliated store NFC terminal 40 between the affiliated store NFC terminal 40 and the coupon server 10 is performed.

Merchant NFC terminal 40 requests the authentication of the use of the coupon information, validity, type, content, etc. to the coupon server 10, the coupon server 10 transmits the authentication result to the merchant NFC terminal 40.

7 is a flowchart illustrating a terminal authentication process performed in a member NFC terminal according to an embodiment of the present invention.

Step S83 is a step of requesting authentication of the terminal transmitting the NDEF data between the coupon server 10 and the merchant NFC terminal 40 after step S80.

That is, in order for the member NFC terminal 30 to transmit NDEF data including the coupon information to the affiliated store NFC terminal 40 and receive authentication, the member NFC terminal 30 must go through an authentication process of the member NFC terminal 30.

Step S85 is a step of requesting the authentication of the terminal to the member NFC terminal 30 from the coupon server 10 received the terminal authentication request.

Here, the authentication of the member NFC terminal 30 may be made using PIN information.

In step S90, the authentication of the member NFC terminal 30 is processed, and the authentication result of the NDEF data including the coupon information is transmitted from the coupon server 10 to the affiliated store NFC terminal 40.

After the result of confirming that the authentication of the member NFC terminal 30 and the authentication of the coupon information is confirmed to the affiliated NFC terminal 40, the payment may be treated as completed.

8 is a flowchart illustrating a process of generating coupon collection data according to an embodiment of the present invention.

Step S100 is a step of generating coupon collection data in the merchant NFC terminal 40 after step S90.

That is, when the authentication result of the NDEF data including the coupon information is transmitted from the coupon server 10, the merchant NFC terminal 40 generates coupon collection data according to the authentication result.

For example, if the NDEF data including the coupon information is verified as valid, comprehensive collection data such as the date and time when the coupon was authenticated (date and time when the coupon was used), the details of the coupon, the place of use of the coupon, and the personal information of the user of the coupon was obtained. Create

On the contrary, in the case of an invalid coupon such as an illegally stolen coupon, a lost coupon, or an already used coupon, collection data is generated including the reason why the coupon is not authenticated in the comprehensive data.

In step S110, the coupon collection data generated in step S100 is transmitted to the coupon server 10.

In step S120, the coupon collection data transferred to the coupon server 10 is stored in the coupon server 10.

If the coupon server 10 later requests the authentication request of the NDEF data from the merchant NFC 40 terminal, the coupon included in the NDEF data is compared with the stored coupon collection data, or is the coupon stolen or stolen? Can be determined.

Step S130 is a step of transmitting the information that the registration is completed to the coupon server 10 coupon collection data.

Although the above has been described with reference to embodiments of the present invention, those skilled in the art may variously modify the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. And can be changed.

10: coupon server
20: message transfer server
30: member NFC terminal
40: merchant NFC terminal
110: coupon server communication unit
120: coupon issuing unit
130: NDEF data generation unit
140: authentication processing unit
310: terminal communication unit
320: message receiving unit
330: terminal analysis control unit
340: terminal storage unit
350: terminal NFC communication unit
410: wireless communication unit
420: terminal analysis unit
430: NFC communication unit

Claims (13)

Generating NDEF data including coupon information, and upon receiving a request for authentication of the NDEF data, authenticating the validity of coupon information such as whether the coupon included in the NDEF data has been used or not copied through pre-stored coupon collection data. Coupon server;
A message transmission server receiving the NDEF data from the coupon server and generating and transmitting a message including the NDEF data;
A member NFC terminal for analyzing the message, separating the NDEF data, displaying the contents of the message, and transferring the separated NDEF data to a merchant NFC terminal in an NFC communication method; And
Merchant NFC terminal for requesting authentication of the coupon information validity of the NDEF data to the coupon server; Including,
The member NFC terminal,
A terminal communication unit communicating with the coupon server;
A message receiving unit communicating with the message transmitting server to receive the message;
A terminal analysis controller configured to analyze the message, display the message content, and separate the NDEF data;
A terminal storage unit storing the separated NDEF data; And
A terminal NFC communication unit for transmitting the separated NDEF data to the affiliated store NFC terminal through an NFC communication method; P2P coupon issuance system comprising a. The method of claim 1,
The coupon server,
Coupon server communication unit for communicating with the member NFC terminal or the merchant NFC terminal;
Coupon issuer for generating the coupon information;
An NDEF data generation unit generating the NDEF data including the coupon information; And
An authentication processing unit for processing authentication on the NDEF data; P2P coupon issuance system comprising a. The method of claim 2,
The NDEF data generation unit is a P2P coupon issuance system, characterized in that for generating by encrypting the NDEF data. delete The method of claim 1,
And the terminal analysis control unit analyzes the encrypted NDEF data when the NDEF data is encrypted. The method of claim 1,
The coupon server is a P2P coupon issuing system, characterized in that for performing authentication for the member NFC terminal to authenticate the NDEF data. The method of claim 1,
The message is a P2P coupon issuing system, characterized in that any one selected from the message transmitted through the Short Message Service (SMS), Multimedia Messaging Service (MMS) or Push Service (Push Service). Generating NDEF (NFC Data Exchange Format) data including coupon information corresponding to a coupon issuance request at the coupon server;
The coupon server transmitting the NDEF data to a message transmission server;
Generating, by the message transmission server, the message including the NDEF data and transmitting the message to a member near field communication (NFC) terminal;
Separating, by the member NFC terminal, the NDEF data by analyzing the message;
Forming a peer to peer (P2P) session by the member NFC terminal and the affiliated NFC terminal;
Transmitting and receiving the separated NDEF data between the member NFC terminal and the affiliated NFC terminal by using an NFC communication method; And
Performing coupon information validity authentication of NDEF data between the affiliated store NFC terminal and the coupon server; P2P coupon issuance method comprising a. The method of claim 8,
The NDEF data is a P2P coupon issuance method, characterized in that transmitted through the encryption process NDEF data. The method of claim 8,
The message transmission server is a P2P coupon issuing method, characterized in that the server for transmitting a message transmission server or push message of the mobile communication company. The method of claim 8,
The step of authenticating the NDEF data between the merchant NFC terminal and the coupon server,
Authenticating the member NFC terminal between the coupon server and the member NFC terminal; P2P coupon issuance method comprising more. The method of claim 11,
Authentication of the member NFC terminal is a P2P coupon issuance method characterized in that the pin (PIN, Personal Identification Number) is made through authentication. Generating NDEF (NFC Exchange Format) data including coupon information corresponding to a coupon issuance request at the coupon server;
The coupon server transmitting the NDEF data to a message transmission server;
Generating, by the message transmission server, the message including the NDEF data and transmitting the message to a member near field communication (NFC) terminal;
Separating, by the member NFC terminal, the NDEF data by analyzing the message;
Forming a peer to peer (P2P) session by the member NFC terminal and the affiliated NFC terminal;
Transmitting and receiving the NDEF data between the member NFC terminal and the affiliated NFC terminal by using an NFC communication method;
Performing coupon information validity authentication of NDEF data between the affiliated store NFC terminal and the coupon server;
Generating, by the affiliated NFC terminal, coupon collection data according to an authentication result of the NDEF data, and transmitting the coupon collection data to the coupon server; And
The coupon server registers and stores the coupon collection data, and transmits the registration completion information to the merchant NFC terminal; P2P coupon issuance method comprising a.

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