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

doi:10.1016/j.comnet.2019.01.011

Chia Nan University of Pharmacy & Science Institutional Repository > 智慧生活學院 > 多媒體與遊戲發展系 > 期刊論文 > Item 310902800/32639

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標題:	A novel tag searching protocol with time efficiency and searching accuracy in RFID systems
作者:	Chuan-Gang Liu(劉川綱) Liu, I-Hsien Lin, Chang-De Li, Jung-Shian
貢獻者:	Natl Cheng Kung Univ, Inst Comp & Commun Engn Chia Nan Univ Pharm & Sci, Dept Appl Informat & Multimedia
關鍵字:	RFID system Tag identification Tag searching Manchester encoding
日期:	2019-02
上傳時間:	2020-07-29 13:53:17 (UTC+8)
出版者:	ELSEVIER SCIENCE BV
摘要:	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. (C) 2019 Elsevier B.V. All rights reserved.
關聯:	Computer Networks, v.150, pp.201-216
顯示於類別:	[多媒體與遊戲發展系] 期刊論文

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