| 一种基于RFID的移动目标监控系统的设计 |
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| 引用本文： | 杜俊宇,何宁,廖欣. 一种基于RFID的移动目标监控系统的设计[J]. 电子技术应用, 2010, 36(8) |
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| 作者姓名： | 杜俊宇 何宁 廖欣 |
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| 作者单位： | 桂林电子科技大学信息与通信学院,广西,桂林,541004;桂林电子科技大学信息与通信学院,广西,桂林,541004;桂林电子科技大学信息与通信学院,广西,桂林,541004 |
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| 摘 要： | 以NRF2401和Atmega8L为硬件核心,设计了一个RFID监控系统,实现了复杂电磁环境下的移动目标跟踪监控。针对信号频率、标签容量、识别效率间的关系,从理论上进行描述和分析,结合单片机的处理速度,对系统的标签容量进行了估算,得出了扫描次数、标签容量以及系统效率三者之间的关系;通过实验,对系统参数进行优化,得到阅读器在不同发射功率下的通信距离等相关数据,适当选择系统工作频率能较好地控制误码率,提高系统工作的可靠性。实验表明,在系统功率参数一定的条件下,单标签扫描次数与系统的识别效率和吞吐量存在一定关系,适当选择可使系统性能最优化。
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| 关 键 词： | RFID 标签扫描 标签容量 识别效率 |
A location system design based on RFID for moving targets |
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| DU Jun Yu,HE Ning,LIAO Xin. A location system design based on RFID for moving targets[J]. Application of Electronic Technique, 2010, 36(8) |
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| Authors: | DU Jun Yu HE Ning LIAO Xin |
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| Affiliation: | DU Jun Yu,HE Ning,LIAO Xin(School of Information and Communication,Guilin University of Electronic Technology,Guilin 541004,China) |
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| Abstract: | A RFID system based on NRF2401 and Atmega8L is introduced in the paper,which is in order to solve the tracing problem for moving targets in the EM environment.The relationship between frequency,tag capacity and identification efficiency is analyzed in the theory,and described by the testing data.The tag number is estimated by the MCU processing speed and communication distance of the reader with different power.The system is optimized,and the bit error rate could be decreased to a certain level.The experime... |
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| Keywords: | RFID tag scanning tag capacity identification efficiency |
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