| 嵌入式无线频率识别设备的设计与实现 |
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| 引用本文： | 李野,童小念. 嵌入式无线频率识别设备的设计与实现[J]. 计算机工程与设计, 2010, 31(2) |
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| 作者姓名： | 李野 童小念 |
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| 作者单位： | 中南民族大学,计算机科学学院,湖北,武汉,430074 |
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| 摘 要： | 为了降低RFID系统标签的冲突几率,优化RFTD系统的效率,设计并实现了一个基于XScale处理器的嵌入式无线频率识别设备(radio frequency identification device)的读写器系统.该系统的RFID阅读器封装了底层的硬件驱动,功能模块扩展方便,实现了对电子标签的识别功能.该系统优化了基于动态帧时隙ALOHA防冲突算法,有效地避免了电子标签数据冲突,降低了RFID系统中数据碰撞的概率,提高了电子标签系统的识别效率和稳定性.实验数据表明了基于动态帧时隙ALOHA防冲突算法的有效性.
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| 关 键 词： | 无线频率自动识别设备 嵌入式 电子标签 数据冲突 动态ALOHA |
Design and implementation of embedded RFID |
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| LI Ye,TONG Xiao-nian. Design and implementation of embedded RFID[J]. Computer Engineering and Design, 2010, 31(2) |
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| Authors: | LI Ye TONG Xiao-nian |
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| Affiliation: | LI Ye,TONG Xiao-nian(College of Computer Science,South-Central University for Nationalities,Wuhan 430074,China) |
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| Abstract: | To reduce the collision probability of tags in the RFID system and optimize the efficiency of RFID systems,an embedded RFID(radio frequency identification device) reader system based on XScale is proposed.The RFID reader can identify electronic tag by hardware drivers.In order to avoid data collision of electronic tag,the dynamic slot ALOHA anti-collision algorithm is adopted in this system to reduce the collisions probability and improve the identification efficiency and stability.The experiment data verif... |
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| Keywords: | a RFID embedded electronic tag data collision dynamic ALOHA |
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