NDLI: AFR: Accurate and fast RFID estimation

Content Provider	IEEE Xplore Digital Library
Author	Wenchao Jiang Yanmin Zhu Bo Li
Copyright Year	2013
Description	Author affiliation: Hong Kong Univ. of Sci. & Technol., Hong Kong, China (Bo Li) \|\| Dept. of Comput. Sci. & Eng., Shanghai Jiao Tong Univ., Shanghai, China (Wenchao Jiang; Yanmin Zhu)
Abstract	A hot and primary problem in RFID system is the estimation of RFID tag cardinality and many algorithms have been proposed for estimating RFID cardinality. However, we find that there is a serious problem that has been widely neglected by some of previous works of RFID cardinality estimation. They incorrectly assume that states of different time slots in the same frame are independent of each other. The consequence of such incorrect assumption would lead to low estimation accuracy. To demonstrate how we correct this mistake, we propose an accurate and fast estimating algorithm called AFR based on the pattern of the number of consecutive empty slots before the first non-empty slot. We theoretically derive the expected number and the variance of consecutive empty slots before the first non-empty slot as a function of the number of tags. Based on such theoretical derivation, we determine the best estimation of the number of tags by only looking at the numbers of consecutive empty slots before the first non-empty slot. Simulation results demonstrate that our algorithm makes more accurate estimation of RFID tag cardinality than an existing state-of-the-art algorithm while using shorter estimation time.
Sponsorship	IEEE Commun. Soc.
Starting Page	237
Ending Page	242
File Size	974461
Page Count	6
File Format	PDF
ISBN	9781479913534
DOI	10.1109/GLOCOM.2013.6831077
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols cardinality RFID estimation slot independence
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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