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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Performance of a two-layer LEO satellite communication network
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Performance of a two-layer LEO satellite communication network

机译：两层LEO卫星通信网络的性能

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摘要

A novel two-layer low Earth orbiting (LEO) satellite network is proposed. Comparing with a single layer global network, not only the system performance is improved but also the number of satellites can be reduced. The main ideas include (1) to raise the altitude of the original global network, and (2) to add several satellites at lower altitude to form a regional network to serve calls from the areas of heavy traffic. In order to fully utilize the benefits of the two-layer network, additional functions such as adjustable beam and dynamic channel management are added. Call blocking rate is derived. Numerical examples are provided to demonstrate several interesting phenomena.
机译：提出了一种新颖的两层低地球轨道（LEO）卫星网络。与单层全球网络相比，不仅可以提高系统性能，而且可以减少卫星数量。主要思想包括（1）提高原始全球网络的高度，（2）在较低高度增加几颗卫星，以形成一个区域网络，为交通繁忙地区的呼叫提供服务。为了充分利用两层网络的优势，增加了其他功能，例如可调波束和动态信道管理。得出呼叫阻止率。提供了数值示例来演示几种有趣的现象。

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