Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (36): 87-89.DOI: 10.3778/j.issn.1002-8331.2008.36.024

• 研发、设计、测试 • Previous Articles     Next Articles

Design of anti-collision of ultrahigh frequency Radio Frequency Identification system

LIU Tuo-sheng1,HE Yi-gang1,HOU Zai-ping2,HOU Zhou-guo1,XIAO Ying-qun1,DENG Xiao1   

  1. 1.College of Electrical and Information Engineering，Hunan University，Changsha 410082，China
    2.Business College，Hunan Normal University，Changsha 410081，China
  • Received:2008-06-03 Revised:2008-09-24 Online:2008-12-21 Published:2008-12-21
  • Contact: LIU Tuo-sheng

超高频射频识别的防碰撞算法设计

刘拓晟1,何怡刚1,侯再平2,侯周国1,肖迎群1,邓 晓1   

  1. 1.湖南大学 电气与信息工程学院，长沙 410082
    2.湖南师范大学 商学院，长沙 410081
  • 通讯作者: 刘拓晟

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Abstract: In order to recognize multi-label，researchers have proposed several anti-collision algorithms.In this paper，an algorithm based on CDMA reservation ALOHA approach is presented for solving the RFID anti-collision problems.The algorithm’s identification process is also analyzed.Markov chain is introduced to model the CDMA Reservation-ALOHA.The label throughput based on the algorithm is analyzed.Finally the experimental results are given.

摘要： 为了实现多标签的读取，对射频识别（RFID）系统的防碰撞算法进行了研究，提出了一种基于码分多址的预约ALOHA的防碰撞算法，在分析该算法的识别过程后，引进马尔可夫链建模，并根据此模型对算法的性能进行了分析。通过仿真实验验证了算法的可行性。

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