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Bayesian estimation in dynamic framed slotted ALOHA algorithm for RFID system

机译:RFID系统中动态帧时隙ALOHA算法中的贝叶斯估计

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摘要

This paper develops a novel dynamic framed slotted ALOHA (DFSA) algorithm based on Bayesian estimation to improve the throughput of the radio frequency identification (RFID) system. At first, four types of anti-collision algorithms for tag identification are analyzed. Then, the proposed DFSA based on Bayesian estimation is deduced and introduced. Compared with the conventional DFSA algorithms, this algorithm takes advantage of the evidence in previous frames as the a priori information of the current frame which can end up with more precise estimation of tag number and rational frame length adjustment. Finally, the common simulation tool from Matlab is used to demonstrate the effectiveness of the proposed new algorithm for the average throughput improvements of the RFID system.
机译:本文提出了一种基于贝叶斯估计的动态帧时隙ALOHA(DFSA)算法,以提高射频识别(RFID)系统的吞吐量。首先,分析了四种用于标签识别的防冲突算法。然后,推导并提出了基于贝叶斯估计的DFSA。与传统的DFSA算法相比,该算法利用先前帧中的证据作为当前帧的先验信息,从而可以更精确地估计标签数量并合理地调整帧长。最后,使用Matlab的通用仿真工具来演示所提出的新算法对提高RFID系统的平均吞吐量的有效性。

著录项

  • 来源
    《Computers & mathematics with applications》 |2012年第5期|p.1179-1186|共8页
  • 作者单位

    Department of Electronic Science and Technology, Huazhong University of Science & Technology, 430074, China;

    College of Electrical & Electronic Engineering, Huazhong University of Science & Technology, 430074, China;

    Department of Electronic Science and Technology, Huazhong University of Science & Technology, 430074, China;

    Department of Electronic Science and Technology, Huazhong University of Science & Technology, 430074, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    bayesian estimation; DFSA; RFID; throughput;

    机译:贝叶斯估计DFSA;RFID;通量;

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