面向物联网的RFID碰撞问题分析  

Introduction of collisions of RFID in Internet of Things

作　　者：吴必造 杨晓娇[2] WU Bi-zao;YANG Xiao-jiao(China Mobile IoT Company Limited, Chongqing 401336, China;Information Technology Centre, Chongqing Jiaotong University, Chongqing 400074, China)

机构地区：[1]中移物联网有限公司,重庆401336 [2]重庆交通大学信息技术中心,重庆400074

出　　处：《电信工程技术与标准化》2017年第5期22-25,共4页Telecom Engineering Technics and Standardization

摘　　要：文中首先介绍了RFID系统中3种不同的碰撞的产生原理,然后研究了最常见的多标签碰撞问题及其对应的防碰撞算法,并重点研究了两种目前工程中较常用的防碰撞算法DFS-ALOHA和Q-ALOHA算法的性能及其应用场景。希望文中介绍对需要解决标签碰撞问题的读者具有一定的启发作用。This paper introduce the collision cause of radio frequency identifi cation system,then discussed the most common collision form that is multi-tag collision and its anti-collision algorithm.This paper mainly focus on the performance and the application scenarios of dynamic framed slot ALOHA and query ALOHA algorithm whichmostly used in engineering.Therefore I hope that through this paper will enlighten those readers which need to solve multi-tag collision problem.

关 键 词：物联网 RFID 多标签防碰撞 

分 类 号：TN929.5[电子电信—通信与信息系统] TP391.44[电子电信—信息与通信工程]