Tag anti-collision method, reader apparatus and system for RFID systems with multi-packet reception capability

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United States of America Patent

PATENT NO 9773132
SERIAL NO

15044345

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Abstract

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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.

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Patent Owner(s)

  • RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahn, Ji Hyoung Uiwang-si, KR 9 24
Kim, Yun Min Suwon-si, KR 5 20
Lee, Se Houn Uiwang-si, KR 5 11
Lee, Tae Jin Suwon-si, KR 253 1417

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