| 大容量散射调制解调器设计方案探讨 |
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| 引用本文： | 刘莹,董占强.大容量散射调制解调器设计方案探讨[J].无线电通信技术,2008,34(3):16-18. |
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| 作者姓名： | 刘莹 董占强 |
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| 作者单位： | 中国电子科技集团公司第五十四研究所,河北,石家庄,050081 |
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| 摘 要： | 简要介绍了近年来国外大容量散射通信的发展水平和主要技术特点,并根据我国现有的技术基础和对大容量散射通信的需求背景等因素对我国的16Mbps大容量散射调制解调器和编解码器的设计方案进行了探讨。最后分别给出了16Mbps大容量散射通信系统在白高斯噪声信道、信道模拟器及实际野外信道上的测试结果,从而证实了大容量散射调制解调器在采用自适应判决反馈均衡及Turbo乘积码的技术体制下,具备了可靠传输16Mb/s的数字信号的能力。
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| 关 键 词： | 大容量散射 自适应判决反馈均衡 Turbo乘积码 信道模拟器 |
Discussion on Scheme of High-speed Troposcatter Modern |
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| LIU Ying,DONG Zhan-qiang.Discussion on Scheme of High-speed Troposcatter Modern[J].Radio Communications Technology,2008,34(3):16-18. |
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| Authors: | LIU Ying DONG Zhan-qiang |
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| Abstract: | The recent development and main technical characteristics of high-speed troposcatter communication in the world is summarized in the paper,and the scheme of high-speed troposcatter modem & decoder is also discussed based on our technique ability and requirements.Finally,the test results of 16Mbps troposcatter modem on AWGN channel,wireless channel emulator and realistic channel are given.It proves that the modem is capable of transmitting 16Mbps digital signal reliably which adopts DFE and Turbo product code. |
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| Keywords: | high-speed troposcatter communication adaptive decision-feedback equalizer Turbo product code wireless channel emulator |
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