NSIP Law
Tag anti-collision method, reader apparatus and system for RFID systems with multi-packet reception capability
Provided is a method of preventing collision between a plurality of RFID tags by an RFID reader. An anti-collision method by a tag reader apparatus in an RFID system including a plurality of RFID tags, includes changing a length of a collision recovery slot in the collision recovery slot which successfully identifies a plurality of tags even though at least two tags simultaneously replied in one slot to cause collision so that data transmission of at least one identified tag is achieved.
Research & Business Foundation Sungkyunkwan University
G G G G G
G06K G06K G06K G06K G06K
inventional inventional additional inventional inventional
Tae Jin Yun Min Ji Hyoung Se Houn
Lee Kim Ahn Lee