A mobile terminal comprising: a first short range communication module (117, 118, 119); a second short range communication module differentiated from the first short range communication module (117, 118, 119); and a controller configured to: - form a second communication link with at least one other terminal positioned within a predetermined distance using the second short range communication module, - acquire link data and maintenance information of a first communication link through the second communication link, wherein the link data indicates data for communicating with the first short range communication module in which handover is performed and the maintenance information indicates information for determining a maintenance time and a communication speed of the first communication link, - form the first communication link using the acquired link data and maintenance information, - exchange data through the first communication link using the first short range communication module, - terminate the first communication link when the maintenance time is over or the communication speed of the first communication link is lower than a reference value, and - re-form the second communication link with the at least one other terminal when the mobile terminal is re-positioned within the predetermined distance, acquire updated link data and updated maintenance information, and extend the first communication link based on the updated maintenance information. a first short range communication module (117, 118, 119); a second short range communication module differentiated from the first short range communication module (117, 118, 119); and a controller configured to: - form a second communication link with at least one other terminal positioned within a predetermined distance using the second short range communication module, - acquire link data and maintenance information of a first communication link through the second communication link, wherein the link data indicates data for communicating with the first short range communication module in which handover is performed and the maintenance information indicates information for determining a maintenance time and a communication speed of the first communication link, - form the first communication link using the acquired link data and maintenance information, - exchange data through the first communication link using the first short range communication module, - terminate the first communication link when the maintenance time is over or the communication speed of the first communication link is lower than a reference value, and - re-form the second communication link with the at least one other terminal when the mobile terminal is re-positioned within the predetermined distance, acquire updated link data and updated maintenance information, and extend the first communication link based on the updated maintenance information. - form a second communication link with at least one other terminal positioned within a predetermined distance using the second short range communication module, - acquire link data and maintenance information of a first communication link through the second communication link, wherein the link data indicates data for communicating with the first short range communication module in which handover is performed and the maintenance information indicates information for determining a maintenance time and a communication speed of the first communication link, - form the first communication link using the acquired link data and maintenance information, - exchange data through the first communication link using the first short range communication module, - terminate the first communication link when the maintenance time is over or the communication speed of the first communication link is lower than a reference value, and - re-form the second communication link with the at least one other terminal when the mobile terminal is re-positioned within the predetermined distance, acquire updated link data and updated maintenance information, and extend the first communication link based on the updated maintenance information.