Simulation on communication link of RFID system and measurement

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (14): 91-94.

• 网络、通信、安全 • Previous Articles Next Articles

Simulation on communication link of RFID system and measurement

GUO Fengming1，YU Bo1，LI Bing1，2

1.Hunan Mechanical & Electrical Polytechnic，Changsha 410151，China
2.College of Electrical and Information Engineering，Hunan University，Changsha 410082，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-05-11 Published:2011-05-11

射频识别系统通信链路仿真与测试

郭凤鸣1，余波1，李兵1，2

1.湖南机电职业技术学院，长沙 410151
2.湖南大学电气与信息工程学院，长沙 410082

Abstract

Abstract: The Thevenin equivalent circuit of RFID system antenna in free space is lack of consideration of environmental factors and tags circuits parasitic components.Based on the basic principle of RFID and antenna scattered theory，an improved two-port network link model in real environment of UHF RFID system is proposed.Based on virtual instrument technology，a simulation and test system of RFID system link is established.Through simulation test，the tag’s absorbed power and BER in real environment can be gotten，which validate the environment factors effecting on the performance of RFID system.

Key words: Radio Frequency Identification（RFID）, antenna scattered, two-port network

摘要： 自由空间下射频识别系统天线通常等效为戴维南等效电路模型，缺少对环境因素和标签电路中寄生元件的考虑。基于射频识别系统基本原理和天线散射理论，提出了一种改进的真实环境下的超高频射频识别系统二端口网络链路模型。建立了基于虚拟仪器技术的射频识别系统天线链路仿真和测试系统。通过仿真实验，得出了真实环境下的标签吸收功率和通信误码率，验证了环境因素对射频识别系统性能的影响。

关键词: 射频识别, 天线散射, 二端口网络

GUO Fengming1，YU Bo1，LI Bing1，2. Simulation on communication link of RFID system and measurement[J]. Computer Engineering and Applications, 2011, 47(14): 91-94.

郭凤鸣1，余波1，李兵1，2. 射频识别系统通信链路仿真与测试[J]. 计算机工程与应用, 2011, 47(14): 91-94.

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Simulation on communication link of RFID system and measurement

射频识别系统通信链路仿真与测试

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