Mobile RFID with a High Identification Rate

被引：21

作者：

Zhu, Weiping ^{[1
]}

Cao, Jiannong ^{[1
]}

Chan, Henry C. B. ^{[1
]}

Liu, Xuefeng ^{[1
]}

Raychoudhury, Vaskar ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Dept Comp, Kowloon, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON COMPUTERS | 2014年 / 63卷 / 07期

关键词：

Mobile RFID; high identification rate; anti-collision protocol;

D O I：

10.1109/TC.2013.41

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

An important category of mobile RFID systems is the RFID system with mobile RFID tags. The mobility of RFID tags poses new challenges to designing RFID anti-collision protocols. Existing RFID anti-collision protocols cannot support high tag moving speed and high identification rate simultaneously. These protocols do not distinguish the identification deadlines of moving tags. Also, when tags move fast, they cannot determine the number of unidentified tags in the interrogation area of an RFID reader. In this paper, we propose a schedule-based RFID anti-collision protocol which, given a high identification rate, achieves the maximal tag moving speed. The protocol, without the need to estimate the number of unidentified tags, schedules an optimal number of tags to compete for the channel according to their identification deadlines, so as to achieve the optimal identification performance. The simulation and experiment results show that our approach can increase the moving speed of tags significantly compared with existing approaches, while achieving a high identification rate.

引用

页码：1778 / 1792

页数：15

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