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定向接收低冲突率水声网络媒体接入控制协议

郑茂醇 韩笑 葛威 孙瑶 殷敬伟

郑茂醇, 韩笑, 葛威, 孙瑶, 殷敬伟. 定向接收低冲突率水声网络媒体接入控制协议[J]. 电子与信息学报, 2024, 46(3): 925-933. doi: 10.11999/JEIT230153
引用本文: 郑茂醇, 韩笑, 葛威, 孙瑶, 殷敬伟. 定向接收低冲突率水声网络媒体接入控制协议[J]. 电子与信息学报, 2024, 46(3): 925-933. doi: 10.11999/JEIT230153
ZHENG Maochun, HAN Xiao, GE Wei, SUN Yao, YIN Jingwei. Directional Reception Low Collision Probability MAC Protocol for Underwater Acoustic Networks[J]. Journal of Electronics & Information Technology, 2024, 46(3): 925-933. doi: 10.11999/JEIT230153
Citation: ZHENG Maochun, HAN Xiao, GE Wei, SUN Yao, YIN Jingwei. Directional Reception Low Collision Probability MAC Protocol for Underwater Acoustic Networks[J]. Journal of Electronics & Information Technology, 2024, 46(3): 925-933. doi: 10.11999/JEIT230153

定向接收低冲突率水声网络媒体接入控制协议

doi: 10.11999/JEIT230153
基金项目: 国家杰出青年科学基金(62125104)
详细信息
    作者简介:

    郑茂醇:男,博士,研究方向为水声网络及软件仿真

    韩笑:男,副教授,研究方向为水声通信及信号处理

    葛威:男,讲师,研究方向为水声通信及信号处理

    孙瑶:女,博士,研究方向为水声网络及软件仿真

    殷敬伟:男,教授,研究方向为水声通信与探测、信号处理及极地声学等

    通讯作者:

    韩笑 hanxiao1322@hrbeu.edu.cn

  • 中图分类号: TN929.3

Directional Reception Low Collision Probability MAC Protocol for Underwater Acoustic Networks

Funds: The National Science Foundation for Distinguished Young Scholars (62125104)
  • 摘要: 在全向水声通信网络场景中,较大的传播时延和较高的数据包碰撞率严重影响了网络性能。相比全向接收技术,声矢量传感器的声压和振速通过线性加权组合可以形成单边指向性,实现定向接收某个方向上的信号,进而提高网络的空间复用率。该文首先分析了声矢量传感器定向接收模式下的网络中断概率,验证定向接收技术网络应用的可行性。然后,提出了定向接收低冲突概率媒体接入控制协议(DRLCP-MAC)。该协议利用指向性接收波束握手机制建立稳定的数据传输链路,通过状态转移策略构建多对并行通信链路,缩小虚拟载波监听范围,提高网络的空间复用度。仿真结果表明,与水下冲突避免多址接入协议(MACA-U)和时隙地面多址接入协议(Slotted-FAMA)相比,DRLCP-MAC协议使信道接入成本降低了约50%和60%,网络吞吐量提升了约60%和400%,端到端时延降低了约50%和85%。
  • 图  1  基于单矢量水听器的定向接收技术

    图  2  网络中断概率

    图  3  RTS/CTS握手机制示意图

    图  4  不同发包率下的信道接入成本对比

    图  5  不同发包率下的吞吐量对比

    图  6  不同发包率下的端到端时延对比

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出版历程
  • 收稿日期:  2023-03-13
  • 修回日期:  2024-01-17
  • 网络出版日期:  2024-01-29
  • 刊出日期:  2024-03-27

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