王晓丽,鲁旭涛,孙运强,解殿君.基于NI USRP与RTL-SDR的无线通信收发系统的实现[J].国外电子测量技术,2017,36(10):81-85
基于NI USRP与RTL-SDR的无线通信收发系统的实现
Implementation of wireless transceiver system based on NI USRP and RTL-SDR
  
DOI:
中文关键词:  软件无线电  NI USRP  RTL-SDR  Simulink  调制解调
英文关键词:software defined radio  NI USRP  RTL-SDR  Simulink  modulation and demodulation
基金项目:
作者单位
王晓丽 中北大学信息与通信工程学院 太原 030051 
鲁旭涛 中北大学信息与通信工程学院 太原 030051 
孙运强 中北大学信息与通信工程学院 太原 030051 
解殿君 中北大学信息与通信工程学院 太原 030051 
AuthorInstitution
Wang Xiaoli Information and Communication Engineering Institute, North University of China, Taiyuan 030051, China 
Lu Xutao Information and Communication Engineering Institute, North University of China, Taiyuan 030051, China 
Sun Yunqiang Information and Communication Engineering Institute, North University of China, Taiyuan 030051, China 
Xie Dianjun Information and Communication Engineering Institute, North University of China, Taiyuan 030051, China 
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中文摘要:
      介绍了一种基于NI USRP与RTL-SDR的无线通信收发系统。分析了该系统的软件特性和硬件构架,以FM调制与解调方式来发送与接收音频信号为例,介绍了FM信号的正交调制解调算法,以NI USRP 当作发射端,RTL SDR当作接收端,通过搭建Simulink框图在射频段与PC端对信号进行处理并发送与接收,并给出了详细的实现过程和测试结果。从实验结果得出,此系统可以较好地发送并接收音频信号。
英文摘要:
      In this paper we introduce a wireless communication system based on NI USRP and RTL SDR.Its software characteristics and hardware framework are analyzed.Taking FM modulation and demodulation method to send and receive audio signal as an example,using the digital quadrature modulation and demodulation algorithm,NI USRP is used as transmitter, RTL SDR as receiver,and the signal and data will be processed in Simulink block diagram in PC. The implementation procedureand test results are presented.The experimental results show that the designed system can send the received audio signal better.
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