Node position measuring system

A radio base station for measuring a position of a node that transmits a positioning signal, comprising:

• a signal reception module that receives the positioning signal from the node and a reference signal transmitted from a reference station receiving the positioning signal;
• a reception time measuring module that detects specific patterns from the positioning signal and the reference signal received by the signal reception module to measure a detection time;
• and
• a communication module that transmits time information to a position calculation module, the time information being generated from the detection time measured by the reception time measuring module, the position calculation module calculating a position of the node based on the time information.

A position measuring method of measuring a position of a node by using a node position measuring system, the measuring system comprising a node that transmits a positioning signal, a reference station that transmits a reference signal, base stations that receive the positioning signal and the reference signal, a server that calculates the position of the node, and a network that interconnects the base stations and the server,

• the position measuring method comprising:
• receiving the positioning signal at the reference station:
• transmitting the reference signal from the reference station after the reception of the positioning signal;
• receiving the positioning signal and the reference signal at each of the base stations;
• detecting specific patterns from the received positioning signal and the reference signal at the base station;
• measuring a time of detecting the specific patterns at the base station;
• transmitting time information from the base station to the server, the time information being generated from the measured time;
• and
• calculating the position of the node at the server based on the time information transmitted from the base station.