基于网络编码的无人机数据链技术研究

Research on Network Coding for UAV Data-link Technology

摘要:

为了提高无人机数据链网络的传输性能,针对其具有的高动态、多中继和大容量等显著特点,提出了对流链路网络编码策略；通过分析多无人机协同执行任务时形成的网络拓扑结构,利用网络仿真平台NS2建立了高动态多跳移动自组网模型,分别改变模型中节点的移动速度、跳数和数据包大小,观察其对网络吞吐率的影响；仿真结果表明,对流链路网络编码策略能够有效地改善仿真模型的传输性能,很好地应用在无人机数据链网络中。

关键词:无人机数据链;对流网络编码;移动自组网;网络吞吐率 [HJ1.3mm]

Abstract:

In order to improve transmission performance of the UAV data-link,which have some obvious characteristics like highly dynamic,multiple hops and large capacity and so on,proposed convection link network coding. By analyzing the network topology formed by multi -UAV cooperative mission,using NS2 network simulation platform to build a highly dynamic multi-hop MANET model,the moving speed of the node,hops and packet size were changed,to observe its impact on network throughput. Simulation results show that convection link network coding strategy can effectively improve the transmission performance of the simulation model,and well applied in the UAV data-link network.

Key words:UAV data-link; convection link network coding; MANET; network throughput