船载动中通双平面卫星网络备份方法研究

Research into the Backup Method of Biplane Satellite Network in Shipborne Mobile Satcom

为保证船载动中通卫星通信网络的连续畅通,业务数据能够实时回传,对双平面互为备份的卫星通信网络,以及双平面网络下链路互为备份自动切换的方法进行了研究。针对船载动中通卫星通信系统以及后端业务设备的特点,从组网形式、备份形式、自动切换、自动恢复等方面出发,设计了一种新型的互为备份可自动切换的双平面卫星通信网络。将提出的双平面网络自动切换方法应用于实际系统,并进行了长时间的试验验证。结果表明,该方法可有效可行。在该网络中如果主链路发生故障,系统可迅速切换至备份链路,如果主链路通信恢复,系统可迅速恢复至主链路,切换时间和恢复时间均满足卫星通信网络使用要求。试验结果充分表明了本文方法的可靠性、可行性和快速性。

In order to ensure the continuous and smooth communication for satellite communication network in shipborne mobile Satcom and the real-time return of service data,this paper studies the biplane satellite communication network with backup each other and the method of automatic switching for the links backup each other under biplane network.According to the characteristics of shipborne mobile Satcom system and back-end service equipment,a new type of biplane satellite communication network with functions of backup each other and automatic switching is designed from the aspects of networking form,backup form,automatic switching and automatic recovery,etc..The proposed biplane automatic switching method is applied to a practical system and verified through a long time test.The results show that the method is effective and feasible.In this network,if the main link fails,the system can quickly switch to the backup link;and if the communication of main link recovers,the system can quickly recover to the main link.Both the switching time and recovery time can meet the using requirements of satellite communication network.The test results fully demonstrate the reliability,feasibility and rapidity of the proposed method.