动态密集标签环境下RFID多路接入控制协议研究

计算机科学 ›› 2013, Vol. 40 ›› Issue (4): 102-106.

动态密集标签环境下RFID多路接入控制协议研究

杨健,王永华,蔡庆玲

广东工业大学自动化学院广州510006;广东工业大学自动化学院广州510006;中山大学工学院广州510275

出版日期:2018-11-16 发布日期:2018-11-16
基金资助:
本文受国家自然科学基金项目(61102034,61071038,61172156),广东省自然科学基金项目(9451009001002607),广东省教育部产学研项目(2011A090200128),广州市应用基础重点项目(11C42090780),广东工业大学博士启动基金项目(13002)资助

Research on RFID MAC Protocol under Dense Mobile Tag Environment

YANG Jian,WANG Yong-hua and CAI Qing-ling

Online:2018-11-16 Published:2018-11-16

摘要/Abstract

摘要： 提出一种静态密集标签环境下基于ALOHA和查询树的多路接入控制协议(S-TMAC),分析了该协议的原理、步骤及性能参数。接着将其扩展为动态密集标签环境下的多路接入控制协议(M-TMAC),定义了协议结构,建立了动态系统模型,并对标签识别时间、入射角、最大速度等参数进行了分析。仿真表明,动态系统模型下的M-TMAC的标签识别时间与S-TMAC相当,仅为ALOHA算法的1/2、树形算法的1/3；且在满足预设识别率和干扰率时,允许的标签有较大的入射角和运行速度。

关键词: 射频识别,动态密集标签环境,多路接入控制协议

Abstract: This paper firstly presented a RFID MAC protocol based on ALOHA and query tree for static tag environment (S-TMAC),then analied the fundamental,process and performance．Secondly,S-TMAC was improved to be M-TMAC which is suitable for mobile tag environment．Protocol structure was defined,and system model was built.Optional reader deployment strategies were put forward．The discussion of the tag identifying time,incidence angle and speed limit was followed．Lastly,simulations indicate that the tag identifying time in M-TMAC and S-TMAC are similar,which is half of ALOHA-based and one-third of tree-based．Furthermore,M-TMAC has low extra system cost,upper tag speed limit and tag incidence angle limit when satisfying default identifying rate and interference rate.

Key words: RFID,Mobile dense tag environment,MAC protocol

杨健,王永华,蔡庆玲. 动态密集标签环境下RFID多路接入控制协议研究[J]. 计算机科学, 2013, 40(4): 102-106. https://doi.org/

YANG Jian,WANG Yong-hua and CAI Qing-ling. Research on RFID MAC Protocol under Dense Mobile Tag Environment[J]. Computer Science, 2013, 40(4): 102-106. https://doi.org/

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