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Q-Value Fine-Grained Adjustment Based RFID Anti-Collision Algorithm

Jian SU, Xuefeng ZHAO, Danfeng HONG, Zhongqiang LUO, Haipeng CHEN

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Summary :

Fast identification is an urgent demand for modern RFID systems. In this paper, we propose a novel algorithm, access probability adjustment based fine-grained Q-algorithm (APAFQ), to enhance the efficiency of RFID identification with low computation overhead. Specifically, instead of estimation accuracy, the target of most proposed anti-collision algorithms, the APAFQ scheme is driven by updating Q value with two different weights, slot by slot. To achieve higher identification efficiency, the reader adopts fine-grained access probability during the identification process. Moreover, based on the responses from tags, APAFQ adjusts the access probability adaptively. Simulations show the superiority of APAFQ over existing Aloha-based algorithms.

Publication
IEICE TRANSACTIONS on Communications Vol.E99-B No.7 pp.1593-1598
Publication Date
2016/07/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.2015EBP3475
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Jian SU
  University of Electronic Science and Technology of China
Xuefeng ZHAO
  Huaihai Institute of Technology
Danfeng HONG
  German Aerospace Center (DLR)
Zhongqiang LUO
  University of Electronic Science and Technology of China
Haipeng CHEN
  Northeast Dianli University

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