通过可靠的声道通道的时间逆转等分来增强深海通信
Yifan Zhou1,2, Shiliang Fang1,2, Liang An1,2
1School of Information Science and Engineering, Southeast University, Nanjing 210096, People's Republic of China.
The Journal of the Acoustical Society of America
|January 23, 2026
概括
深海声学网络面临多路径挑战. 一个新的等分器通过适应可靠的声道 (RAP) 通道来提高可靠性,减少干扰以改善通信.
科学领域:
- 海洋学 海洋学 海洋学
- 声学通信是一种声学通信.
- 信号处理 信号处理
背景情况:
- 可靠的声道 (RAP) 道使远程水下通信成为可能.
- 深海环境遭受强烈的多路干扰,降低信号质量.
- 在界面的不均性上的散射会在声信号中产生反响尾巴.
研究的目的:
- 开发和评估一种方法,以减轻RAP通道上的深海声通信中的多路径干扰.
- 提高水下声学网络的可靠性和吞吐量.
主要方法:
- 在南海进行测量,以描述RAP运河结构.
- 使用物理指导的统计拟合器开发一个RAP适应性的时间逆转等效器.
- 模拟道冲动响应作为多路径和反响的叠加.
- 使用频率跳跃传播频谱M-ary频率转移键和直接序列传播频谱M-ary相位转移键的性能评估.
- 网络层面的吞吐量分析.
主要成果:
- 在不同源深处观察到稳定的到达结构和明显的多路径分支.
- 适应RAP的时间逆转等分器有效地抑制了多路径干扰.
- 通过实验验证,通过实验验证证明了减少的符号间干扰.
- 在深海声通信实验中,实现了更好的链路可靠性.
结论:
- 适应RAP的时间逆转等分器是一种实用的物理层解决方案,用于增强深海声学网络.
- 这种方法提供了一种可行的方法来克服水下声通信中的多路径限制.
- 这些发现有助于推进强大的远程水下通信系统.
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