RFID tag and RFID reader for anti-collision and operating method thereof

An operating method of a radio frequency identification (RFID) tag for anti-collision, comprising:

• receiving a tag recognition signal from a RFID reader;
• transmitting a response signal and tag data in response to the tag recognition signal;
• and
• switching a current mode to a predetermined mode, when the response signal is transmitted a predetermined number of times.

A radio frequency identification (RFID) reader for anti-collision, comprising:

• a reader transmitting part that transmits a tag recognition signal to one or more RFID tags;
• a reader receiving part that receives tag data from the one or more RFID tags in accordance with the tag recognition signal;
• and
• a controlling part that, when the tag data is received, generates a mode switch signal for a RFID tag corresponding to the received tag data and transmitting through the reader transmitting part.

An operation method of a radio frequency identification (RFID) reader for anti-collision, comprising:

• transmitting a tag recognition signal to one or more RFID tags;
• receiving tag data from the one or more RFID tags in accordance with the tag recognition signal;
• and
• generating a mode switch signal for a RFID tag corresponding to the received tag data and transmitting the mode switch signal, when the tag data is received.