基于FPGA的光纤信息安全传输系统设计

Design of optical fiber information security transmission system based on FPGA

为了实现光纤信息安全传输控制,提出基于FPGA的光纤信息安全传输系统设计方法。系统主要由AD信息采集模块、光纤信息安全传输系统总线控制模块、上位机通信模块、ARM控制模块和人机交互模块等构成,采用嵌入式的交叉编译技术进行光纤信息安全传输系统的程序编译,在MCU控制单元进行光纤信息安全传输系统人机交互设计和集成信息处理,采用FPGA实现光纤信息安全传输系统的硬件集成设计;构建光纤信息安全传输信道模型,采用匹配滤波检测方法进行光纤信息安全传输过程中的信道均衡设计和抗干扰设计,结合ZigBee组网方案构建光纤信息安全传输系统的网络通信协议。仿真结果表明,采用该方法进行光纤信息安全传输系统设计的稳定性较好为92.8%,光纤信息传输的输出误码率较低,低于2.1%,光纤信息传输的安全性和准确性较高。

In order to realize the safe transmission control of optical fiber information,a design method of optical fiber information security transmission system based on FPGA is proposed.The system is mainly composed of ad infor-mation acquisition module,optical fiber information security transmission system bus control module,upper computer communication module,arm control module and human-computer interaction module.The embedded cross compiling technology is used to compile the program of optical fiber information security transmission system.The human-comput-er interaction design and integrated information processing of optical fiber information security transmission system are carried out in MCU control unit,FPGA is used to realize the hardware integration design of optical fiber information se-curity transmission system;the channel model of optical fiber information security transmission is constructed;the channel equalization design and anti-interference design in the process of optical fiber information security transmission are carried out by using matched filter detection method,and the network communication protocol of optical fiber infor-mation security transmission system is constructed combined with ZigBee networking scheme.The simulation results show that the stability of optical fiber information security transmission system is 92.8%,the output bit error rate of op-tical fiber information transmission is lower than 2.1%,and the security and accuracy of optical fiber information trans-mission are high.