水声无线多用户通信

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI:10.1109/WOCN.2008.4542501

Yin Jingwei, Wang Lei, C. Kai

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引用次数: 1

摘要

本文研究了浅水环境的多径扩频、频率选择性衰减等特性，为根据声速分布配置通信调制解调器，减轻码间干扰，提高水声通信距离提供了指导。为了减小多径干扰，采用了虚拟时间反转镜，并通过仿真验证了其聚焦特性。最后，提出并仿真了一种基于VTRM的UWA多用户通信方案，该方案通过VTRM分离各调制解调器的信息，并允许多台调制解调器同时通信。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Underwater acoustic wireless multiuser communication

The characteristics of shallow water are studied in this paper, including multipath spreading, frequency selective attenuation and so on, which is a guidance for disposing communication modems according to the sound velocity profile to mitigate intersymbol interference (ISI) and to improve the underwater acoustic (UWA) communication range. In order to diminish ISI caused by multipath, Virtual Time Reversal Mirror is adopted and its focusing characteristic is validated by simulation. At last, a scheme for UWA multiuser communication based on VTRM is proposed and simulated, which could separate each modem's information by VTRM and permit several modems communicating at the same time.

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来源期刊

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08)

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