POSITION RECOGNITION METHOD OF A WIRELESS COMMUNICATION TYPE POSITION RECOGNITION SYSTEM COMPUTING THE POSITION OF A POSITION TERMINAL IN THE STATE OF EXCLUDING ABNORMAL WIRELESS SIGNALS THROUGH A TRILATERATION POSITION COMPUTATION ALGORITHM

摘要

PURPOSE: A position recognition method of a wireless communication type position recognition system improves the accuracy and precision of position recognition.;CONSTITUTION: Multiple receivers are arranged at predetermined intervals within a predetermined region and receive wireless signals of a position terminal. A main server communicates with the receivers and receives a signal intensity value of the wireless signal received to each receiver. The main server computes the current position of the position terminal through a trilateration position computation algorithm. The trilateration position computation algorithm computes a separation distance of the position terminal by using the signal intensity value of the wireless signal. The trilateration position computation algorithm computes the position of the position terminal by applying the separation distance of the position terminal of the receivers selected as much as the set number among the multiple receivers to a trilateration method.;COPYRIGHT KIPO 2013;[Reference numerals] (AA) Signal reception step; (BB) Signal intensity information transmission step; (CC) Location identification step; (DD) Trilateration location calculation algorithm; (EE) Section filtering step; (FF) Average-using exclusion algorithm application step; (GG) Signal intensity-distance conversion step; (HH) Trilateration application step