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功率可程控的UHF RFID读写器的研制 被引量:1

Development of power programmable UHF RFID reader
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摘要 为了研究具有基于功率控制的防碰撞算法功能的读写器,研制了一种功率可程控的UHFRFlD读写器.详细阐述了读写器的工作原理,并给出了系统的具体设计方案.其工作频段为840~960MHz,可完成对电子标签的读写操作,特点是通过MCU可对功率放大器输出功率进行控制,读写器可以实现基于功率控制的标签防碰撞算法,能够在改善防碰撞性能的同时,大大减少系统识别时的能量消耗. In order to complete the reader with anti-collision algorithm based on power control,a design of power programmableUHF RFID reader is proposed,which narrates the operational principle of the reader in details andintroduces the specific design of the system. The operating frequency band of the reader is 840-960 MHz. It cancomplete reading and writing tags. In particular,through MCU to control the output power of power amplifier,thereader can realize the anti -collision algorithm based on power control,which improves the anti -collisionperformance,and also cuts down the energy consumption in great extent.
出处 《天津工业大学学报》 CAS 北大核心 2014年第6期51-56,共6页 Journal of Tiangong University
基金 国家自然科学基金项目(61372011)
关键词 射频识别 UHF RFID读写器 功率可程控 防碰撞 RFID UHF RFID reader power programmable anti-collision
作者简介 李建雄(1969-),男,副教授,博士,硕士生导师.E-mail:lijianxiong@tjpu.edu.cn
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