| 优化卫星通信技术研究 |
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| 引用本文： | 伍萍.优化卫星通信技术研究[J].通信技术,2010,43(6):51-53. |
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| 作者姓名： | 伍萍 |
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| 作者单位： | 信息工程大学信息工程学院,河南郑州,450002 |
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| 摘 要： | 卫星通信相关的费用包括固定投资和运行费用,从卫星通信经济学的角度出发,优化卫星通信可以节省成本。首先介绍了VSAT卫星通信网的网络拓扑及组网方式;其次从卫星通信的调制及编码技术两个方面分别对卫星通信进行优化,重点对格状编码调制、LDPC码、Turbo码与级联码编码技术、载波迭加技术进行了研究,并分别指出了各自的优点;最后对优化卫星通信技术的应用前景进行讨论。
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| 关 键 词： | 卫星通信经济学 优化卫星通信 编码调制 |
Research on technology of Optimizing Satellite Communications |
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| WU Ping.Research on technology of Optimizing Satellite Communications[J].Communications Technology,2010,43(6):51-53. |
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| Authors: | WU Ping |
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| Affiliation: | WU Ping(School of Information Engineering,Information Engineering University,Zhengzhou Henan 450002,China) |
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| Abstract: | The costs of satellite communications include fixed investments and operation costs.Starting from satellite communication economics,the optimization of satellite communications could save the costs.This paper first gives the network topology and networking mode of VAST.Then,from modulation and coding technology,it treats of the optimization of satellite communications,with focus on TCM modulation,LDCP coding technology,Turbo and concatenated codes,and the technology of DoubleTalk Carrier-in-Carrier,and poin... |
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| Keywords: | satellite communication economics optimized satellite communications coded modulation |
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