经典Link数据链信道传输模型及特性研究  

Research on data-link channel transmission model and characteristics of classic data Link

作　　者：张洋 毛忠阳 赵志勇 张嵩 刘锡国 ZHANG Yang;MAO Zhongyang;ZHAO Zhiyong;ZHANG Song;LIU Xiguo(Naval Aviation University,Yantai 264001,China)

机构地区：[1]海军航空大学,山东烟台264001

出　　处：《现代电子技术》2023年第3期21-24,共4页Modern Electronics Technique

基　　金：国家自然科学基金项目(41606117);国家自然科学基金项目(61671016);国家自然科学基金项目(41476089)资助。

摘　　要：随着生活节奏不断加快,对通信信息的实时接收要求越来越高,需要各类信息能够快速传递,各个工作节点单元信息的共享、协作、同步已经逐渐成为成功与否的关键因素,而实现这一功能的数据链系统整体性能主要取决于其信道传输的性能。文中主要针对数据链技术中信息传输通道的性能进行研究,给出直接影响整个数据链系统性能的因素,并利用OPNET对Link-16数据链进行传输建模,采用无线信道连接的方式,设计了各种数据链通信环境以检验其性能指标,网络中每个节点的调制方式、带宽、码元传输速率、工作频段设置符合经典Link数据链的标准。仿真结果展示了信道传输的平均延时、错误数据、有效数据和接入节点随时间变化的情况,并给出调制方式对数据量丢包率、平均延时等数据链信道传输性能的影响结果,研究结论对数据链应用的发展具有一定的借鉴意义。With the rhythm of life is accelerating,and the requirement of real-time receiving of communication information is higher and higher,which requires various information to be transmitted quickly.The information sharing,cooperation and synchronization of various worknode units have gradually become the key factors to success or not,and the overall performance of the combat data link system to achieve this function mainly depends on its channel transmission performance.The performance of information transmission channel in data link technology is studied mainly,and the factors that directly affect the performance of the whole data link system is given in this paper.OPNET is adopted to model the transmission of Link-16 data link.The way of wireless channel connection is adopted to design a variety of data link communication environment to test its performance index.The modulation mode,bandwidth,code element transmission rate and working frequency band set of each node in the network are all in accordance with the standards of the classic data Link.The simulation results indicate the change with time of average delay,error data,effective data and access nodes,and the influence of modulation mode on the data loss rate,average delay and other data link channel transmission performance.The research conclusion has a certain reference for the development of data link applications.

关 键 词：无线信道 数据链 信息传输通道 Link-16数据链 信道调制 信道传输 

分 类 号：TN914.3-34[电子电信—通信与信息系统]