| 多幅度数字脉冲间隔调制的水下无线光通信研究 |
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| 引用本文： | 魏巍,华良洪,张晓晖,饶炯辉,王文博.多幅度数字脉冲间隔调制的水下无线光通信研究[J].激光技术,2011,35(3):330-333. |
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| 作者姓名： | 魏巍 华良洪 张晓晖 饶炯辉 王文博 |
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| 作者单位： | 1.海军工程大学 兵器工程系, 武汉 430033; |
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| 摘 要： | 为了研究适用于水下无线光通信的调制方式,采用分析水下无线光通信的信道模型、并推导该信道中用多幅度数字脉冲间隔调制方式的误包率表达式、带宽利用率和功率利用率的方法,对不同调制方式进行了理论分析比较.结果表明,多幅度数字脉冲间隔调制的带宽利用率和功率利用率最高.这一结果对选择适合用于水下无线光通信的调制方式是有帮助的.
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| 关 键 词： | 光通信 差错性能 带宽利用率 功率利用率 多幅度脉冲间隔调制 水下 |
| 收稿时间： | 2010-08-24 |
Performance of underwater wireless optical communication employing multilevel digital pulse interval modulation |
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| WEI Wei,HUA Liang-hong,ZHANG Xiao-Hui,RAO Jiong-hui,WANG Wen-bo.Performance of underwater wireless optical communication employing multilevel digital pulse interval modulation[J].Laser Technology,2011,35(3):330-333. |
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| Authors: | WEI Wei HUA Liang-hong ZHANG Xiao-Hui RAO Jiong-hui WANG Wen-bo |
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| Abstract: | In order to investigate a digital modulation applicable for underwater wireless optical communication (UWOC), the model of the UWOC channel was analyzed. The packet error rate, bandwidth efficiency and energy efficiency of the channel based on multilevel digital pulse interval modulation (MDPIM) was deduced. Comparison was carried out between different modulation modes. Both power efficiency and bandwidth efficiency are the highest for MDPIM. The results help to determine the modulation suitable for underwater wireless optical communication. |
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