An Adaptive Tag Anti-Collision Protocol in RFID Wireless Systems

查看全文 作　　者：LIU Xiaohui QIAN Zhihong ZHAO Yanhang GUO [1]Yuqi

机构地区：[1]College of Communication Engineering, Jilin University, Changchun 130012,China

出　　处：《China Communications》索引2014年第11卷第7期,共11页

基　　金：This work is supported by the National Natu ral Science Foundation of China under grant No.61071073 and No. 61371092, Doctoral Fund of Ministry of Education of China (No.20090061110043). 摘　　要：A novel anti-collision algorithm in RFID wireless network is proposed.As it is put forward on the basis of collision tree(CT)and improved collision tree(lCT) anti-collision protocols,we call it adaptive collision tree protocol(ACT).The main novelty of this paper is that the AD strategy is introduced and used in ACT to decrease collisions and improve the tag system throughput.AD strategy means that query strings will divide into two or four branches adaptively according to the label quantity.This scheme can decrease both depth of query and collision timeslots,and avoid producing too much idle timeslots at the same time.Both theoretical analysis and simulation results indicate that the novel proposed anticollision protocol ACT outperforms the previous CT and ICT protocols in term of time complexity,system throughput,and communication complexity. 关键词：防碰撞协议标签系统无线系统 RFID 自适应时间复杂度防碰撞算法防冲突协议

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An Adaptive Tag Anti-Collision Protocol in RFID Wireless Systems

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