较详细地描述新一代以数据为重心、分组为基本的核心网轮廓并描绘了第三代无线蜂窝网和移动卫星系统的前景。
The paper attempts in detail to describe the outlook of data centric, packet based core network for national fixed telecommunications…
本文介绍全球移动卫星通信系统的现状、种类及其将来的发展趋势。对“铱”星系统也作了介绍。
This paper introduces the present and future of Global mobile Satellite communication system. IRIDIUM system is also introduced.
本文介绍全球移动卫星通信系统的现状、种类及其将来的发展趋势。对“铱”星系统也作了介绍。
This paper introduces the present and future of Global mobile Satellite communication system. IRIDIUM system is also introduced.
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