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RFID系统中二进制搜索防冲撞算法研究 被引量:1

Research on Binary Searching Anti-collision Algorithm in RFID System
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摘要 为解决无线射频系统的标签冲突问题,提出一种改进的二进制搜索防冲撞算法。使用曼彻斯特编码按位识别碰撞信息,只传输冲撞位,以减少总的传输数据量,引入休眠计数器减少算法的识别范围,采用回退策略降低阅读器发送请求命令的次数。仿真结果表明,该算法能有效减少搜索次数和传输时延,提高系统的识别效率。 To solve the problem of Radio Frequency Identification(RFID) tag collision.An improved binary search anti-collision algorithm is proposed.The algorithm uses the Manchester coding to identify collision bits,only transmits collision bits to decrease the total amount of data transmission.It also introduces dormancy counter to reduce the total quantity of transmission.And it adopts back-off strategy to reduce the number of reader requisition commands.Simulation results show that it can effectively reduce the number of search and delay and improve the recognition efficiency of RFID system.
出处 《计算机工程》 CAS CSCD 2012年第19期269-273,共5页 Computer Engineering
基金 国家自然科学基金资助项目(60803152) 国家科技重大专项基金资助项目(2010ZX03006-002-04) ISN国家重点实验室开放基金资助项目(ISN-9-09) 教育部科学技术研究重点基金资助项目(109144)
关键词 无线射频识别 防冲撞 二进制搜索 冲撞比特 回退策略 识别效率 Radio Frequency Identification(RFID) anti-collision binary searching collision bit back-off strategy recognition efficiency
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参考文献8

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共引文献4

同被引文献9

  • 1张辉,曹丽娜.现代通信原理与技术[M].西安:西安电子科技大学出版社,2005:268-272.
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  • 4International Electro Technical Commission. ISO/IEC 14443 -3 -2011. Identification Cards-contactless Integrated Circuit Cards-Proximity Cards Part 3 :Initialization and Anti-collision [ S ]. 2011.
  • 5CHOI J H, DONGWOOK L, HYUCKJAE L. Query tree-based reservation for efficient RFID tag anti-collision [ J ]. IEEE Communications Letters, 2007, 11 ( 1 ) : S5 -S7.
  • 6郭锡坤,孙文兵,林树东.水杨酸改性κ-卡拉胶的研究[J].汕头大学学报(自然科学版),2008,23(3):51-57. 被引量:11
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  • 8江城,黄立波.基于二进制搜索的RFID标签防碰撞算法研究[J].计算机与数字工程,2011,39(4):29-33. 被引量:4
  • 9张学军,田侃,王锁萍.增强型自适应时隙数防碰撞算法研究[J].南京邮电大学学报(自然科学版),2012,32(1):59-65. 被引量:3

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