Method and apparatus for real time location tracking using rfid
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The real-time location tracking device and a method using an RFID are described. Real-time location tracking device using RFID has the plurality based on the first received information acquisition unit, the first receive information for obtaining a first receive information of the tag signal from the plurality of RFID reader for receiving a tag signal from the RFID tag of the RFID reader of the selected leader group for selecting the RFID reader group comprising at least three or more RFID reader unit from, and the RFID tag based on the first receive information obtained from the RFID reader in the selected RFID reader group It includes a location calculation unit for calculating the position. RFID, position tracking, and a reference signal, RSSI, TDoA