基于USRP的L-DACS1前向链路设计与实现  

Design and Implementation of L-DACS1 Forward Link Based on USRP

作　　者：胡文博 李昊洋 刘海涛 HU Wenbo;LI Haoyang;LIU Haitao(College of Electronic Information and Automation,Civil Aviation University of China,Tianjin 300300,China;Sichuan Jiuzhou Air Traffic Control Technology Co. ,Ltd. ,Mianyang 621000,China)

机构地区：[1]中国民航大学电子信息与自动化学院,天津300300 [2]四川九洲空管科技有限责任公司,四川绵阳621000

出　　处：《无线电工程》2022年第4期692-698,共7页Radio Engineering

基　　金：国家自然科学基金(U1733120)。

摘　　要：L-band Digital Aeronautical Communications System 1(L-DACS1)是一种基于正交频分复用传输技术的宽带航空通信系统。依据L-DACS1系统规范,在USRP N210软件无线电平台设计实现了L-DACS1前向链路发射机与接收机,并在实验室环境下开展了前向链路传输试验。所设计的L-DACS1前向链路传输性能与计算机仿真结果一致,验证了前向链路发射机与接收机的正确性,为后续L-DACS1系统测距仪干扰抑制的研究提供了思路。L-band Digital Aeronautical Communications System 1(L-DACS1)is a broadband aviation communication system based on orthogonal frequency division multiplexing transmission technology.According to the specifications of L-DACS1 system,the L-DACS1 forward link transmitter and receiver are designed and implemented with USRP N210 software radio platform,and the forward link transmission is tested in laboratory environment.The performance of the forward link test system is consistent with the computer simulation result,which demonstrates the accuracy of the forward link transmitter and receiver.It provides ideas for the subsequent research on the range finder interference suppression of the L-DACS1 system.

关 键 词：L频段数字航空通信系统 正交频分复用 通用软件无线电外设 前向链路 传输试验 

分 类 号：TN914[电子电信—通信与信息系统]