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引用本文：

莫磊.计数型位屏蔽射频识别防碰撞算法设计[J].电讯技术，2010，50（9）： - . [点击复制]
MO Lei.Design of Anti collision Algorithm Based on Counter and Bit shield in RFID System[J].，2010，50（9）： - . [点击复制]

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计数型位屏蔽射频识别防碰撞算法设计
莫磊
0 字体:加大+\|默认\|缩小-
(四川托普信息技术职业学院通信系，成都 611743)

摘要:

提出了一种新的二进制搜索防碰撞算法。通过在标签中设置屏蔽寄存器，对阅读器已知的数据比特位进行屏蔽，标签仅返回阅读器不知道的冲突位信息，可以有效减小阅读器和标签之间相互传送的数据比特数；通过在标签中设置休眠计数器，减小了搜索标签的总次数，进一步减小了阅读器发送的数据比特数。该方法有效提高了阅读器识别标签的速率。

关键词: 射频识别位屏蔽休眠计数器防碰撞二进制搜索算法

DOI：

基金项目:

Design of Anti collision Algorithm Based on Counter and Bit shield in RFID System

MO Lei

(Department of Communication, Sichuan TOP Vocational Institute of Information Technology,Chengdu 611743, China)

Abstract:

A novel binary search anticollision algorithm is proposed. The databi t that reader has known is shielded and only the collision bit information that the reader hasn′t known is returned by tags through setting up bitshield regi ster in tags according to the method.The datab its of communication between reader and tags are effectively decreased. The tota l times of searching tags are reduced and the databits sent by reader are fu rther decreased through setting up sleepcounter in tags. The speed and efficiency of identifying tags by read er are improved effectively.

Key words: radio frequency identification(RFID) bit shield sleep counter anti collisio n binary search algorithm