Algorithm Research & Explore
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App. Res. of Comp. Printed Article
Vol. 38, 2021 No. 1
145-148,174

RFID tag number estimation algorithm based on Newton iteration method

Liu Yan1a,1b
Zhang Yu1a,1b
Tang Long2
1. a. Dalian Key Laboratory of Environmental Perception & Intelligent Control, b. School of Information Engineering, Dalian University, Dalian Liaoning 116622, China
2. Dalian Metro Operation Co. Ltd. , Dalian Liaoning 116622, China
DOI: 10.19734/j.issn.1001-3695.2019.08.0523

Abstract

The ALOHA algorithm is widely used in radio frequency identification(RFID) tag anti-collision algorithm. To improve the recognition efficiency of the algorithm, the frame length is adaptively adjusted according to the number of tags. Therefore, the accuracy of the tag number estimation is very important. The existing tag estimation schemes have problems of large error. This paper proposed an estimation algorithm of number of tags based on Newton iterative method(NIATE). Firstly, this algorithm assumed an adjustment factor by the relationship between the initial frame length and the estimated number of tags. Secondly, it analyzed the ratio of the successful slot to the total slots and obtained the relationship between the quantity relationship and the ratio. Finally, it used the Newton iteration method to obtain the accurate number of tags. The simulation results show that NIATE algorithm has better adaptive ability than the existing mainstream algorithms, the average error of tag estimation is smaller, which reduces the total number of slots and improves system throughput required to identify all tags.

Foundation Support

辽宁省重点研发计划指导计划资助项目(2017104014)
辽宁省科学事业公益研究基金资助项目(20170053)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.08.0523
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 1
Section: Algorithm Research & Explore
Pages: 145-148,174
Serial Number: 1001-3695(2021)01-029-0145-04

Publish History

[2021-01-05] Printed Article

Cite This Article

刘艳, 张玉, 唐龙. 基于牛顿迭代法的RFID标签数量估计算法 [J]. 计算机应用研究, 2021, 38 (1): 145-148,174. (Liu Yan, Zhang Yu, Tang Long. RFID tag number estimation algorithm based on Newton iteration method [J]. Application Research of Computers, 2021, 38 (1): 145-148,174. )

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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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