Analysis and improvement of anti-collision Q-algorithm based on AS3992

DENG Dun-jian; AN Yong; MU Rong-zeng; YAN Yue-peng

doi:10.13873/j.1000-97872013.03.027

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Analysis and improvement of anti-collision Q-algorithm based on AS3992

更新时间：2025-09-11

- Analysis and improvement of anti-collision Q-algorithm based on AS3992
- Vol. 32, Issue 3, Pages: 7-10(2013)
- 作者机构：
  
  中国科学院微电子研究所
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872013.03.027
  CLC： TP391.44
- Published：2013
- 稿件说明：
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[1]邓敦建,安勇,牟荣增,阎跃鹏.基于AS3992的防碰撞Q算法分析与改进[J].传感器与微系统,2013,32(03):7-10.

DENG Dun-jian, AN Yong, MU Rong-zeng, et al. Analysis and improvement of anti-collision Q-algorithm based on AS3992[J]. 2013, 32(3): 7-10.
[1]邓敦建,安勇,牟荣增,阎跃鹏.基于AS3992的防碰撞Q算法分析与改进[J].传感器与微系统,2013,32(03):7-10. DOI： 10.13873/j.1000-97872013.03.027.

DENG Dun-jian, AN Yong, MU Rong-zeng, et al. Analysis and improvement of anti-collision Q-algorithm based on AS3992[J]. 2013, 32(3): 7-10. DOI： 10.13873/j.1000-97872013.03.027.

摘要

基于超高频（UHF）射频识别（RFID）ISO/IEC 18000-6C协议的防碰撞Q算法存在标签数和所选时隙数不确定的局限性

使得系统自适应能力不足。通过先理论估算标签的数量

并计算该标签下的最佳时隙

后在软件上优化估算的标签数

对Q算法进行改进。在AS3992专用集成电路读写器芯片和STM32f103微控制器组成的实验平台上验证

实验结果表明:与原算法相比

改进算法在不降低识别效率和不增加平均功耗的情况下自适应能力有所提高

且估算标签数量误差控制在10%以内。

Abstract

Because the anti-collision Q-algorithm based on ultra high frequency（UHF） RFID ISO/IEC 18000-6C protocol has uncertain limitationoftags and time slot numbers

self-adaptive ability of the system is insufficient Q algorithm is improved by estimating the number of tags

and calculating optimum time slots towards the tags.The proposed algorithm is verified on experimental platform composed of reader ASIC AS3992 and STM32f103 micro-controller.Experimental result shows that compared with original algorithm

self-adaptive ability is improved and error of estimating tags quantity is controlled within 10 % without reducing recognition efficiency and increasing average power consumption.

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references

基于UHFRFID的物联网前端读写器设计 [J]. 杨学敏,曾煜,熊东. 传感器与微系统 . 2012(05)

远程识别中多标签防冲突算法的改进 [J]. 彭康,徐闯,余洪江,吴亚勇. 电子测量与仪器学报 . 2011(06)

一种基于码分复用机制的超高频RFID防碰撞方法 [J]. 王平,胡爱群,裴文江. 电子与信息学报 . 2007(11)

UHF RFID多标签防碰撞算法的研究与性能分析 [D]. 栗华. 山东大学 2011

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