A novel tag searching protocol with time efficiency and searching accuracy in RFID systems

Chuan Gang Liu, I. Hsien Liu, Chang De Lin, Jung Shian Li

Research output: Contribution to journalArticle

Abstract

Radio frequency identification technology is very popular in many aspects such as inventory management in retail industry, object tracking and identification, etc. In practice, searching for target tags is also a significant and emergent topic. Previous searching target tag protocols suffer low time-efficiency when the number of tags in the coverage area of local reader becomes larger or while the ratio of the nontarget tags in reader's region decreases. Thus, in order to improve low time-efficiency problem, this paper uses a new response signal encoded by Manchester technique with which we propose a new novel searching technique accordingly. Our proposed technique helps the reader distinguish if the tags in one area are target tags without receiving tag IDs. Further, in order to solve mapping collision problem, which two tags in the candidate target tag set map to the same filtering slot simultaneously, our study proposes a new improved solution called slot hopping, achieving one-to-one mapping between each candidate target tag and the corresponding slot. At the end of this paper, we make many simulations showing that our tag searching protocol is more time-efficient and accurate than previous tag searching protocols.

Original languageEnglish
Pages (from-to)201-216
Number of pages16
JournalComputer Networks
Volume150
DOIs
Publication statusPublished - 2019 Feb 26

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Radio frequency identification (RFID)
Industry

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

Cite this

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title = "A novel tag searching protocol with time efficiency and searching accuracy in RFID systems",
abstract = "Radio frequency identification technology is very popular in many aspects such as inventory management in retail industry, object tracking and identification, etc. In practice, searching for target tags is also a significant and emergent topic. Previous searching target tag protocols suffer low time-efficiency when the number of tags in the coverage area of local reader becomes larger or while the ratio of the nontarget tags in reader's region decreases. Thus, in order to improve low time-efficiency problem, this paper uses a new response signal encoded by Manchester technique with which we propose a new novel searching technique accordingly. Our proposed technique helps the reader distinguish if the tags in one area are target tags without receiving tag IDs. Further, in order to solve mapping collision problem, which two tags in the candidate target tag set map to the same filtering slot simultaneously, our study proposes a new improved solution called slot hopping, achieving one-to-one mapping between each candidate target tag and the corresponding slot. At the end of this paper, we make many simulations showing that our tag searching protocol is more time-efficient and accurate than previous tag searching protocols.",
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A novel tag searching protocol with time efficiency and searching accuracy in RFID systems. / Liu, Chuan Gang; Liu, I. Hsien; Lin, Chang De; Li, Jung Shian.

In: Computer Networks, Vol. 150, 26.02.2019, p. 201-216.

Research output: Contribution to journalArticle

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