基于LabVIEW-USRP的直接序列扩频通信系统仿真实验  

Simulation experiment of direct sequence spread spectrum communication system based on LabVIEW-USRP

作　　者：李毅 杨栋 李晓辉[1] Li Yi;Yang Dong;Li Xiaohui(School of Telecommunication Engineering, Xidian University, Xi’an 710071, China)

机构地区：[1]西安电子科技大学通信工程学院,陕西西安710071

出　　处：《实验技术与管理》2018年第12期139-142,146,共5页Experimental Technology and Management

基　　金：国家重点科研项目(MJ-2014-S-37);西安电子科技大学2018年度研究生教育教学改革项目(JGZ1801);2018年度校级示范性虚拟仿真实验教学项目

摘　　要：以LabVIEW为基础,利用USRP平台工具包设计了基于扩频通信的数据通信系统,验证了直接序列扩频(DSSS)通信技术在抗窄带噪声等方面的良好特性。所设计的通信系统能够对各项参数进行调整,有助于在各种参数配置下对系统性能进行研究。该系统具有良好的抗窄带干扰能力。经过USRP的测试表明,发送的文本与接收的文本完全相同,说明DSSS系统工作可靠。Based on the LabVIEW,the NI USRP platform is used to design a data communication system based on the spread spectrum communication,and it has been proved that the direct sequence spread spectrum(DSSS)communication technology has good characteristics in resisting narrowband noise.The designed communication system can adjust various parameters,which is helpful for the study of the system performance under various parameter configurations.This system has good ability to resist narrow band interference.The USRP(universal software radio peripheral)test shows that the sent text is exactly the same as the received text,which indicates that the DSSS system works reliably.

关 键 词：扩频通信 直接序列扩频 仿真实验 软件无线电平台 

分 类 号：TN914.4[电子电信—通信与信息系统] TP391.9[电子电信—信息与通信工程]