An improved dynamic framed slotted aloha algorithm for RFID anticollision - 文章详情页

作者：

Shu-Qin, Geng (Shu-Qin, Geng.) | Da-Ming, Gao (Da-Ming, Gao.) | Chao, Zhu (Chao, Zhu.) | Ming, He (Ming, He.) | Wu-Chen, Wu (Wu-Chen, Wu.) (学者：吴武臣)

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EI Scopus

摘要：

One　of　the　largest　disadvantages　in　radio　frequency　identification　(RFID)　system　is　its　low　tag　identification　efficiency　by　tag　collision.　When　the　number　of　tags　is　large,　for　the　conventional　RFID　anti-collision　algorithm　the　number　of　slots　required　to　read　the　tags　increases　exponentially　as　the　number　of　tags　does.　The　proposed　IDFSA　algorithm　solved　this　problem　by　dividing　frequency　of　tags　that　is　grouping　the　tags　in　different　frequency　channel,　reducing　the　number　of　slots　and　saving　the　communication　time　of　grouping　with　estimation.　The　reader　requests　every　frequency　in　turn　to　check　the　tags.　In　every　frequency　channel,　the　optimal　frame　size　was　set　to　enhance　the　system　efficiency.　This　Algorithm　has　been　used　in　the　433/868/915　RFID　system.　The　system　identification　efficiency　shows　good　performance.　©　2008　IEEE.

关键词：

Collision avoidance Efficiency Frequency estimation Radio frequency identification (RFID) Signal processing

作者机构：

[ 1 ] [Shu-Qin, Geng]VLSI and System Lab., Beijing University of Technology, Beijing 100022, China
[ 2 ] [Da-Ming, Gao]VLSI and System Lab., Beijing University of Technology, Beijing 100022, China
[ 3 ] [Chao, Zhu]VLSI and System Lab., Beijing University of Technology, Beijing 100022, China
[ 4 ] [Ming, He]VLSI and System Lab., Beijing University of Technology, Beijing 100022, China
[ 5 ] [Wu-Chen, Wu]VLSI and System Lab., Beijing University of Technology, Beijing 100022, China

通讯作者信息：

电子邮件地址：

gengshq@emails.bjut.edu.cn

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