民用飞机无线航空电子内部通信网络技术综述

民用飞机内部航空电子通信技术由无线通信部分替代有线通信,可进一步降低飞机自重,增强飞机安全性,提升民用飞机运营经济性,将成为下一代民用飞机发展的重要技术。目前,该技术尚处于研究起步阶段,为了促进该技术的发展,本文在研究国内外相关文献的基础上,对当前的研究进行概括和总结,明确民用飞机无线航空电子内部通信( WAIC )网络的定义,概括了 WAIC 网络在国内外的研究现状,分析了 WAIC 网络的特点,介绍了 WAIC 网络架构、时间同步、网络管理及网络安全等关键技术,提出了基于软件无线电平台技术开展4.2~4.4GHz 无线通信节点硬件设计的技术路径,为后续研究奠定基础。

Overview of Wireless Avionics Intra-Communication Network Technology

The Wireless Avionics Communication Technology in the civil aircraft will be an important technology for the development of the next generation aircraft, which can further reduce the weight of the aircraft, enhance the safety of the aircraft, and improve the operation economy of the civil aircraft. This paper describes the definition of wireless Avionics Intra-Communication (WAIC) network, summarizes the research status of WAIC network at home and abroad, analyses the characteristics of WAIC network, and gives the key technologies, such as network architecture, time synchronization, network management, network security and hardware design in the process of WAIC network design. It also puts forward the realization of 4.2GHz-4.4GHz wireless communication based on software defined radio in WAIC network.