基于分段线电大尺寸偶极子的特高频近场射频识别阅读器天线
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- 英文论文题名：UHF near filed RFID reader antenna based on electrically large segmented dipole
- 论文作者：黄承 ; 王橙 ; 王贵 ; 朱建平 ; 唐万春
- 英文论文作者：Cheng Huang ; Cheng Wang ; Gui Wang ; Jianping Zhu ; Wanchun Tang ; Nanjing University of Science and Technology ; Nanjing Normal University
- 年：2017
- 作者机构：南京理工大学;南京师范大学;
- 论文关键词：分段线电大尺寸偶极子 ; 特高频近场识别 ; 均匀磁场
- 英文论文关键词：electrically large segmented dipole ; UHF near field RFID ; uniform magnetic field
- 会议召开时间：2017-05-08
- 会议录名称：2017年全国微波毫米波会议论文集（中册）
- 英文会议录名称：Proceedings of 2017 National Conference on Microwave and Millimeter Waves(NCMMW2017)
- 语种：中文
- 分类号：TN821.4;TP391.44
- 学会代码：ZDWB
- 会议名称：2017年全国微波毫米波会议
- 会议地点：中国浙江杭州
- 主办单位：中国电子学会
- 学会名称：中国电子学会微波分会
- 页数：4
- 文件大小：1212k
- 原文格式：D
- 会议级别：全国
摘要
本文提出一种基于分段线电大尺寸偶极子的特高频近场射频识别阅读器天线。该天线是由多个长度约为1.3倍波长的分段线偶极子构成。分段线结构可以使电大尺寸偶极子上电流保持同向,且电流分布接近半波偶极子的电流分布(即余弦分布),并以此作为激励单元,设计基于同样结构的寄生单元,从而获得强度强且较为均匀的近场磁场。仿真结果表明,本文提出的天线覆盖866到957MHz的工作频段,且能够产生一个大面积的均匀磁场。
A ultra-high frequency(UHF) near-field radio frequency identification(RFID) reader antenna based on electrically large dipole is presented in this paper. This antenna is designed using two segmented dipole with the same length(1.3 wavelength). The segmented dipole makes the current remain in one direction, and the current distribution close to the dipole's cosine distribution. This paper designs the parasitic units based on the same structure to achieve strong and uniform magnetic field. The simulated results show that the presented antenna can work at 866 to 957 MHz, and provide a large and uniform magnetic field.
A ultra-high frequency(UHF) near-field radio frequency identification(RFID) reader antenna based on electrically large dipole is presented in this paper. This antenna is designed using two segmented dipole with the same length(1.3 wavelength). The segmented dipole makes the current remain in one direction, and the current distribution close to the dipole's cosine distribution. This paper designs the parasitic units based on the same structure to achieve strong and uniform magnetic field. The simulated results show that the presented antenna can work at 866 to 957 MHz, and provide a large and uniform magnetic field.
引文
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[5]Qing X,Goh C K,Chen Z N.Segmented loop antenna for UHF near-field RFID applications[J].Electronics Letters,2009,45(17):872-873.
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[7]Zeng Y,Chen Z N,Qing X,et al.Modeling and Characterization of Zero-Phase-Shift Lines(ZPSL)and Optimization of Electrically Large ZPSL Loop Antennas for Near-field Systems[J].2016,64(11):1-1.
[2]A.R.Partridge.Accuracy in action:item-level RFID takes off[J].Apparel Magazine,2013
[3]杨启超.应用于物联网的近场RFID天线设计[D].南京理工大学,2013
[4]Dobkin D M,Weigand S M,Iyer N.Segmented magnetic antennas for near-field UHF RFID[J].Microwave Journal,2007,50(6).
[5]Qing X,Goh C K,Chen Z N.Segmented loop antenna for UHF near-field RFID applications[J].Electronics Letters,2009,45(17):872-873.
[6]Shi J,Qing X,Chen Z N.Electrically Large Zero-Phase-Shift Line Grid-Array UHF Near-Field RFID Reader Antenna[J].Antennas&Propagation IEEE Transactions on,2014,62(4):2201-2208.
[7]Zeng Y,Chen Z N,Qing X,et al.Modeling and Characterization of Zero-Phase-Shift Lines(ZPSL)and Optimization of Electrically Large ZPSL Loop Antennas for Near-field Systems[J].2016,64(11):1-1.