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IEIE Transactions on Smart Processing & Computing (IEIE SPC)

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한글제목(Korean Title) A Novel Computation Method for Tag Estimates in DFSA-based RFID Systems
영문제목(English Title) A Novel Computation Method for Tag Estimates in DFSA-based RFID Systems
저자(Author) Young-Beom Kim  
원문수록처(Citation) VOL 10 NO. 06 PP. 0513 ~ 0518 (2021. 12)
한글내용
(Korean Abstract)
영문내용
(English Abstract)
In this paper, we propose a novel computation method for tag estimation in the dynamic framed slotted ALOHA (DFSA) protocol, based on Vogt’s estimate (VE). The estimation target is system load λ and tag estimate N? is computed from the estimated values of λ, instead of the direct approach taken in the existing method. Starting from the definition of VE, we derive a single concise equation for the estimate. For the numerical solution, we present a load estimation algorithm, which turns out to be computationally very efficient. The computational complexity is roughly O(10 log10 Nmax), in contrast to O(Nmax) in the existing method for maximum possible number of tags, Nmax. Through computer simulations, we show that the proposed method indeed yields estimation results almost identical to those by the existing method in most cases.
키워드(Keyword) DFSA   RFID   Anti-collision protocols   Slotted ALOHA  
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