The battlefield airborne communication node( BACN) is an integrated communication load provi-ding such function as airborne communication gateway, enhanced situation awareness and battlefield net-work inter-connection. This paper first introduces the application requirements and present status of U. S. military Forces’airborne communication node,and then comparatively analyzes the components,operation principles,functions and technical specifications of typical systems. Finally,it presents several development trends of BACN and gives some research suggestions,wishing to provide some valuable references for the further research in this field.%战场空中通信节点是一种机载通信载荷，提供空中通信网关、增强的态势感知以及战场网络互联等能力。首先介绍了美军战场空中通信节点的应用需求和发展概况，然后分析并比较了典型系统的组成、工作原理、功能及技术指标，最后探讨了战场空中通信节点的发展趋势，并阐述了进一步的研究方向，期望为后续研究提供一定参考。
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