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基于CC1100的UHF RFID阅读器设计 被引量:3
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作者 李世涛 林月 《电子器件》 CAS 北大核心 2018年第2期495-500,共6页
采用ARM9系列的S3C2440作为CPU,CC1100作为射频收发器,设计特高频(UHF)RFID手持式阅读器。射频电路采用两片CC1100以解决单片不能同时收发信号的缺点,采用两级放大持续对阅读器连续供电,并对阅读器软件部分的防碰撞算法进行优化。结果表... 采用ARM9系列的S3C2440作为CPU,CC1100作为射频收发器,设计特高频(UHF)RFID手持式阅读器。射频电路采用两片CC1100以解决单片不能同时收发信号的缺点,采用两级放大持续对阅读器连续供电,并对阅读器软件部分的防碰撞算法进行优化。结果表明,与传统时隙ALOHA防碰撞算法相比,改进的防碰撞算法的吞吐率维持在0.357左右,吞吐率平均提高了8.44%,碰撞概率平均降低了6.3%。所以,阅读器系统有效提高了单位时间内标签读取的准确性、读取速度、识别率,降低了标签相互碰撞的概率。 展开更多
关键词 RFID 阅读器设计 S3C2440 CC1100 防碰撞算法
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Design and Implementation of RFID Reader based on μC/OS System
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作者 Jinguang LIU 《International Journal of Technology Management》 2015年第5期93-95,共3页
This paper mainly completed the design of hardware and software of RFID to read write system. Including selection and easy transplantation of open source μC/OS-Ⅱ operating system, completed the transplant in the emb... This paper mainly completed the design of hardware and software of RFID to read write system. Including selection and easy transplantation of open source μC/OS-Ⅱ operating system, completed the transplant in the embedded module, the task to create work; Analyze the system software level and concrete structure from the hardware layer, driver layer, operating system layer and user layer; and analyzes the influence of the actual the power consumption of the system running in different modes and the read-write distance, the influence of moving speed of chip on read and write time. 展开更多
关键词 μC/OS-Ⅱ RFID READER ARM Embedded
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