射频识别系统的可靠性及计算模型  

Reliability of RFID Systems and Its Computational Models

作　　者：胡圣波[1] 司兵 李黔蜀 鄢富玉 舒恒[1] 刘亚丽[1] 

机构地区：[1]贵州师范大学智能信息处理研究所,贵州贵阳550001 [2]贵州省新技术研究所,贵州贵阳550001

出　　处：《信息与控制》2012年第5期571-577,共7页Information and Control

基　　金：科技部国际合作项目(2010DFB14290);国家物联网发展专项资金资助项目(2011081)

摘　　要：为全面、客观评价射频识别(radio frequency identification,RFID)系统可靠性性能,在分析RFID系统工作原理的基础上,给出基于标签识别率的RFID系统的可靠性定义和三种可靠性指标测度定义,分析了这三种可靠性指标测度间的关系;分析了影响RFID系统可靠性的关键因素,包括无线信道误码率对识别率的影响、标签碰撞对识别率的影响,由此提出了RFID系统可靠性计算的一般模型.仿真结果表明:提出的RFID系统可靠性计算的一般模型是合适、可行的,有利于RFID系统可靠性分析、设计和性能评估.The definition on the reliability of RFID（radio frequency identification） system which is based on the identification probability of tag and three kinds reliability index measures are given on the foundation of analysing RFID principle to evaluate reliability performance of RFID system comprehensively and objectively.In this paper,relations between three kinds reliability index measures are analyzed.Key factors including radio channel bit error rate and tags collision effects on identification probability affecting reliability of RFID system are analyzed,and the general models of calculating reliability of RFID system are presented.Simulation results show the models are suitable,feasible,and convenient to analyze,design,and evaluate reliability of RFID system.

关 键 词：射频识别系统 识别率 可靠性 计算模型 

分 类 号：TN915[电子电信—通信与信息系统]