基于软件无线电的rfid系统硬件平台研究与设计-电子与通信工程专业论文.docxVIP

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基于软件无线电的rfid系统硬件平台研究与设计-电子与通信工程专业论文.docx

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基于软件无线电的rfid系统硬件平台研究与设计-电子与通信工程专业论文

AbstractWith more and more attention of the Things of Internet and Radio Frequency Identification (RFID), low-cost and real-time open hardware platform for UHF RFID system appears to be more important. But tradional RFID system only can achieve a single function of the tag identification. In view of this situation, effective fusion of software defined radio (SDR) and RFID has becoming the key problem to be solved.Therefore the innovation about appling software defined radio technology to UHF RFID with fundamental of SDR has been introduced in this paper. The paper designs a scheme of software defined radio hardware platform based on flow structure, focuses on the theoretical analysis and simulation of the analog front-end and digital front-end, draws up circuit schematics, and then finishes the hardware platform combined with engineering practice.At last the hardware platform is joint debugged with X86 multi-core processoers in the Windows software testing environment and the spectrum of the transimitted and received signals is analysised. Debugging and analysis results indicate that the hardware works well, which based on software defined radio platform for RFID system designed in this paper, and two devices can successfully transimit and receive siangls in 915MHz, all of which verifies the feasibility of the scheme.Key words: radio frequency identification (RFID), software defined radio (SDR), analog front-end, digital front-end目录摘要.......................................................................................................................................................IAbstract ............................................................................................................................................... II目录.................................................................................................................................................... III第一章引言...........................................................................