Method, terminal and system for providing data transmission and financial transaction based on the position of mobile terminals having short-range communication function

A user terminal for performing a financial transaction based on a relative position with a transaction terminal, the user terminal comprising:

• a sensor which obtains first position data of the user terminal;
• a communication module configured to establish a communication link with the transaction terminal and to communicate with the transaction terminal via the communication link;
• a controller which generates payment data for a transaction amount based on the first position data of the user terminal and second position data of the transaction terminal received via the communication link;
• and
• a communication tag configured to store the payment data,
• wherein the payment data is transmitted to the transaction terminal via the communication link.

A method of performing a financial transaction based on a relative position of mobile terminals, the method comprising:

• generating payment data in association with a transaction amount based on positional relationship between a user terminal and a transaction terminal;
• deducting the transaction amount from a payer account of the user terminal;
• transmitting the payment data to the transaction terminal in order to add the transaction amount to a payee account of the transaction terminal;
• and
• requesting an approval of the financial transaction from a financial server.