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未来的卫星移动通信网是第三代移动通信系统的重要组成部分 ,本文介绍ITU和ETSI围绕其标准化工作所进行的研究情况 ,包括系统目标与设计准则、轨道星座、频率分配 ,以及标准化工作的研究内容等。
The future satellite mobile communication network is an important part of the third generation mobile communication system. This paper introduces the research carried out by the ITU and ETSI around their standardization work, including the system objectives and design guidelines, orbital constellation, frequency allocation and standardization Research content and so on.