System and method for monitoring landslide, and positioning sensor used thereto

PURPOSE: A landslide monitoring system and a position sensor used in the same are provided to arrange a plurality of position sensors based on a satellite on various inclined surfaces, to collect RF(Radio Frequency) sampling signals from each position sensor in a reference station receiver and to extract and analyze the navigational data of each position sensor through integrated processing, thereby monitoring the displacement of the position sensors in real time. CONSTITUTION: A landslide monitoring system arranged on an inclined surface includes a position sensor(20) and a reference station receiver(40). The position sensor extracts and transmits an RF sampling signal after receiving a satellite signal from a satellite. The reference station receiver analyzes whether the inclined surface is displaced by extracting the navigational data of each of the position sensors after receiving the RF sampling signal transmitted from the position sensor. The position sensors compose a sensor network for wired or wireless communications and transmit the RF sampling signal to the reference station receiver through network communications. [Reference numerals] (40) Reference station receiver