Method of performing distributed synchronization in ad hoc network system

A method of performing distributed synchronization in an Ad hoc network system, the method comprising:

• transmitting a signal, including a transmission time point change period, through a plurality of nodes;
• changing a transmission time point at which the signal is transmitted through the plurality of nodes within the transmission time point change period so that the transmission time point is included in a preset Cyclic Prefix (CP) period;
• and
• changing a reference point of a Fast Fourier Transform (FFT) start time point which is a time point at which data starts being recovered based on the changed transmission time point.

An Ad hoc network system, comprising:

• a transmission terminal including a plurality of nodes;
• and
• a reception terminal including a plurality of nodes,
• wherein the transmission terminal transmits a signal including a transmission time point change period, changes a transmission time point at which the signal including the transmission time point change period is transmitted within the transmission time point change period so that the transmission time point is included within a preset first CP period, and changes a first FFT start time point based in the changed transmission time point, and
• the reception terminal receives a signal including a reception time point change period, changes a reception time point at which the signal including the reception time point change period is received within the reception time point change period so that the reception time point is included in a preset second CP period, changes a second FFT start time point based on the changed reception time point, and changes a reference point of a transmission time point of the signal based on a difference value between a preset reference point of the second FFT start time point and the changed second FFT start time point.