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AssigneeSungkyunkwan University Foundation for Corporate Collaboration
InventorsJun-Bong Eom, Tae-Jin Lee
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A method of identifying a plurality of RFID tags in an RFID reader includes generating a Query command to transmit the Query command to an RFID tag in a ready state, receiving an error detection code from the RFID tag that received the Query command, generating an acknowledgement (ACK) command to transmit the acknowledgement (ACK) command to the RFID tag that transmitted the error detection code when the error detection code is received without a collision, and receiving tag information including a protocol control (PC) and an electronic product code (EPC) of the RFID tag that transmitted the error detection code. It is possible to improve tag identification speed using an error detection code, such as a cyclic redundancy check (CRC)-16 code, which has uniformly-random characteristics like random number with 16 bits (RN 16), instead of RN 16 used in a conventional EPCglobal Class1 Generation2 standard.
A method of identifying a plurality of radio frequency identification (RFID) tags in an RFID reader, comprising:
A method of identifying a radio frequency identification (RFID) tag, comprising:
A radio frequency identification (RFID) reader, comprising:
A radio frequency identification (RFID) tag including a memory storing unique information and an antenna for communication with an RFID reader, the RFID tag receiving a Query command from the RFID reader via the antenna, transmitting an error detection code to the RFID reader via the antenna in response to the Query command, receiving an acknowledgement (ACK) command via the antenna from the RFID reader that received the error detection code without a collision, and transmitting tag information including a protocol control (PC) and an electronic product code (EPC) to the RFID reader via the antenna.
Dependencies are inferred from the claim text.