改进的二进制防碰撞识别算法及其FPGA仿真实现  

Improved Binary Anti-Collision Recognition Algorithm and Its FPGA Simulation Implementation

作　　者：汪红[1] 田莎莎[1] 王芳芳[1] 

机构地区：[1]中南民族大学计算机科学学院,武汉430074

出　　处：《中南民族大学学报（自然科学版）》2016年第2期122-127,共6页Journal of South-Central University for Nationalities：Natural Science Edition

基　　金：湖北省自然科学基金面上项目(2015CFC876);中央高校基本科研业务费专项资金资助(青年)项目(CZQ14010);中南民族大学教学研究项目(JYX13047)

摘　　要：对RFID系统中的多标签防碰撞问题进行了研究,在3种经典的确定性防碰撞算法的基础上,提出了改进的二进制防碰撞识别算法.为了降低数据传输量,改进算法采用阅读器前缀查询和标签后缀应答相结合的方式;为了降低查询次数,查询算法针对不同数量的碰撞位采用不同的处理方式.对4种算法进行了Matlab仿真和Spartan6硬件平台实现,实验结果表明:改进算法较3种经典算法具有较高的识别效率和较低的数据传输量.Multiple tags anti-collision problem of RFID system was studied .On the basis of the three classic anti-collision algorithms, an improved binary anti-collision recognition algorithm was presented .In order to reduce the amount of data transmission, the improved algorithm uses the combination method of the reader prefix queries and the tag suffix response . In order to reduce the number of query , query algorithm adopts different approach for the different number of collisions . Matlab simulation and Spartan 6 implementation were used to the four algorithms , and the experimental results showed that the improved algorithm has higher recognition efficiency and lower amount of data transmission than the three classic algorithms.

关 键 词：无线射频识别 防碰撞识别 查询 数据传输 

分 类 号：TP391.44[自动化与计算机技术—计算机应用技术]