双频段高可靠高效率无人机载数据链系统  

High Reliability and Efficiency Data Link System of UAV Based on Dual Band

作　　者：刘浩楠 陈少峰[1] LIU Haonan;CHEN Shaofeng

机构地区：[1]中国电子科技集团公司第二十研究所,西安710068

出　　处：《现代导航》2023年第4期291-296,共6页Modern Navigation

基　　金：“陕西省2022年重点研发计划”项目(2022ZDLGY03-03)。

摘　　要：针对无人机在城市复杂环境下的应用需求,开展无人机S频段遥测遥控链路和C频段图像传输链路的双频段双通道数据链系统研制,重点突破高可靠高效率正交频分复用(OFDM)传输体制、高效信源信道联合编码技术,解决数据传输涉及的可靠性、频谱使用效率、数据的安全性等问题。作为无人机的核心传输链路,高可靠高效无人机数据链的应用,将进一步拓展军用无人机和工业级智能无人机的应用场景。In response to the application requirements of drones in complex urban environments,a dual frequency band and dual channel data link system is developed for the S band telemetry and remote control link and the C band image transmission link of drones.The focus is on breaking through the high reliability and efficiency of Orthogonal Frequency Division Multiplexing(OFDM)transmission system,efficient source channel joint coding technology,and solving the reliability,spectrum efficiency,and data security issues related to data transmission.As the core transmission link of drones,the application of highly reliable and efficient drone data links will further expand the application scenarios of military drones and industrial grade intelligent drones.

关 键 词：无人机 数据链 高可靠 高效率 信源信道联合编码 

分 类 号：TN919.72[电子电信—通信与信息系统]