| 一种Ka频段海上卫星通信抗雨衰编码方案 |
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| 引用本文： | 高化猛,李智.一种Ka频段海上卫星通信抗雨衰编码方案[J].舰船科学技术,2011,33(12). |
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| 作者姓名： | 高化猛 李智 |
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| 作者单位： | 1. 装备指挥技术学院继续教育系,北京,102206
2. 装备指挥技术学院重点实验室,北京,101416 |
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| 基金项目： | 国家高技术发展计划资助项目(2006AA705102) |
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| 摘 要： | 分析卫星通信雨衰现象的产生机制和对Ka频段卫星通信的影响,提出采用CCSDS标准卷积码作为抗雨衰编码方案。研究CCSDS(15,1/6)卷积码编译码性能:使用C语言编译环境,仿真CCSDS(15,1/6)编码系统,得出编码效率;使用二进制相移键控调制、加性高斯白噪声信道、维特比译码,仿真CCSDS(15,1/6)译码系统,得出译码性能和编码增益。仿真计算表明,CCSDS(15,1/6)具有编码速度快,译码性能好,编码增益高的特点,是一种好的海上卫星通信抗雨衰编码方案。
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| 关 键 词： | 卫星通信 雨衰 标准卷积码 编码 译码 仿真 |
An anti-rain attenuation encoding solution for sea Ka-band satellite communication |
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| GAO Hua-meng,LI Zhi.An anti-rain attenuation encoding solution for sea Ka-band satellite communication[J].Ship Science and Technology,2011,33(12). |
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| Authors: | GAO Hua-meng LI Zhi |
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| Institution: | GAO Hua-meng1,LI Zhi2(1.Department of Continuing Education,Academy of Equipment Command & Technology,Beijing102206,China,2.The Key Lab,Beijing101416,China) |
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| Abstract: | The mechanism of rain attenuation in satellite communication and it's affection to Ka-band satellite communication are analyzed.CCSDS(15,1/6)standard convolution code is recommended as channel code to anti-rain attenuation the performance of CCSDS(15,1/6)standard convolution code is researched.The encoding efficiency is found by simulating encoding system in C translation environment.The decoding performance and encoding gain are found by simulating decoding system in BPSK modulation,AGWN channel,viterbi de... |
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| Keywords: | satellite communication rain attenuation standard convolution code encoding decoding simulation |
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