| 时间反转镜在水声通信网上行通信中的应用 |
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| 引用本文： | 殷敬伟,张晓,赵安邦,生雪莉.时间反转镜在水声通信网上行通信中的应用[J].哈尔滨工程大学学报,2011,32(1):1-5. |
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| 作者姓名： | 殷敬伟 张晓 赵安邦 生雪莉 |
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| 作者单位： | 1. 哈尔滨工程大学水声技术重点实验室,黑龙江哈尔滨,150001;西北工业大学声学工程研究所,陕西西安,710072
2. 哈尔滨工程大学水声技术重点实验室,黑龙江哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金资助项目，博士后基金资助项目，教育部高等学校博士点基金资助项目，中央高校基本科研业务费专项资金资助项目 |
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| 摘 要： | 基于声信道物理属性,提出利用位于不同水平距离、深度的用户间声信道弱相关特性,将单阵元虚拟式时间反转镜(VTRM)应用于水声通信网的上行通信,可以聚焦期望用户信息、屏蔽非期望用户信息,并可抑制码间干扰、提高信噪比. 仿真研究表明,当各用户信道间互相关性弱时,单阵元VTRM可有效分离各用户信息,有助于实现网络化水声通信.
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| 关 键 词： | 水声通信网 上行通信 虚拟时间反转镜 聚焦 |
The application of a virtual time reversal mirror to upstream communication of underwater acoustic networks |
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| YIN Jingwei,ZHANG Xiao,ZHAO Anbang,SHENG Xueli.The application of a virtual time reversal mirror to upstream communication of underwater acoustic networks[J].Journal of Harbin Engineering University,2011,32(1):1-5. |
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| Authors: | YIN Jingwei ZHANG Xiao ZHAO Anbang SHENG Xueli |
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| Affiliation: | YIN Jingwei1,2,ZHANG Xiao1,ZHAO Anbang1,SHENG Xueli1(1.Science and Technology on Underwater Acoustic Laboratory,Harbin Engineering University,Harbin 150001,China,2.Institution of Acoustic Engineering,Northwestern Polytechnical University,Xi'an 710072,China) |
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| Abstract: | Based on the properties of an underwater acoustic channel,using the uncorrelated character among different users' channel impulse responses(CIR),the single-element virtual time reversal mirror(VTRM) was proposed for application to upstream communication of underwater acoustic networks.The scheme focused on information from desired users and suppressed information from undesired users;in addition,the VTRM mitigated the intersymbol interference caused by a multipath channel and improved the SNR.The simulation... |
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| Keywords: | underwater acoustic networks upstream communication virtual time reversal mirror focusing |
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