一种适应多卫星的多模动中通终端设计

Design of a multi-mode mobile communication terminal adapted to multiple satellites

卫星移动通信系统具有覆盖范围广、可靠性高等优点,且处于不同轨道高度及工作频段的卫星具有各自的独特优势。为保障用户即用即通需求,文章设计了一种适用于多种卫星的终端,能够满足不同频段、不同轨道的卫星通信系统需求。终端由双模动中通天线和主机构成,能够根据卫星信号自动切换或手动切换卫星,以保障卫星通信连续性。文章采用模块化思想,独立设计了主机2个频段的通信单元。该设计具有较强的可靠性和可扩展性。跑车试验验证了终端的易用性和可靠性。

Satellite mobile communication systems have the advantages of wide coverage and high reliability,and satellites located at different orbital heights and operating frequency bands have their own unique advantages.A terminal suitable for various satellites has been designed to meet the requirements of satellite communication systems in different frequency bands and orbits,in order to meet the needs of users for instant use and communication.The terminal consists of a dual-mode mobile communication antenna and a host,which can automatically or manually switch satellites based on satellite signals to ensure satellite communication continuity.Based on the modular strategy,communication units for two frequency bands of the host were independently designed,which has strong reliability and scalability.The road test verified the usability and reliability of the terminal.