RFID系统中停留标签的组策略防碰撞算法

王勇; 唐小虎; 张莉涓

doi:10.11999/JEIT150745

RFID系统中停留标签的组策略防碰撞算法

doi: 10.11999/JEIT150745

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出版历程
- 收稿日期: 2015-06-18
- 修回日期: 2015-12-04
- 刊出日期: 2016-03-19

Group Strategy for Remaining Tags in Anti-collision Algorithm for RFID System

摘要

摘要: 在射频识别RFID系统中，防碰撞算法对于标签的快速识别，尤其在移动应用的场景中非常重要。该文针对移动场景中停留标签，提出了组策略停留标签算法GSRA(Group Strategy for Remaining tags Algorithm)，分为停留标签识别和新到标签识别两个阶段，并将停留标签信息分组存放与更新，从而提高停留标签的识别效率。理论分析证明该算法系统效率仅与标签动态时移动时的迁移速率和静态时的系统效率有关，而与标签数量无关。仿真结果表明GSRA算法在标签迁移速率为20%时，结合冲突树算法CT，系统效率可以达到240%。
- 射频识别 /
- 标签识别 /
- 标签估计 /
- 防碰撞
Abstract: In RFID systems, tag anti-collision algorithm is significantly important for fast tag identification, especially in mobile scenarios. A Group Strategy for Remaining tags Algorithm (GSRA) is proposed. It is divided into two phases, which are the identification of remaining tags and the identification of new arriving tags, and stay tag information grouped is stored and updated, so as to improve the identification efficiency of the stay tag. The theoretic analysis shows that the system efficiency only concerns the rate of migration and static system efficiency, and is not related with the number of tags. The simulation result demonstrates that the system efficience of GSRA algorithm achieve 240% in Collision Tree (CT) algorithm and 20% with respect to the rate of tag migration.
- Radio Frequency IDentification (RFID) /
- Tag identification /
- Tag estimation /
- Anti-collision algorithm

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参考文献(18)

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