基于水下电场的AUV多节点网络通信研究CSMA/CA频道
Xinglong Feng1, Yuzhong Zhang1, Ang Gao1
1School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
Biomimetics (Basel, Switzerland)
|November 26, 2024
概括
这项研究提高了使用电场的水下机器人通信. 一种新的动态备份方法提高了多节点网络的可靠性,并减少了集群操作的错误.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 水下通信系统 水下通信系统
- 网络协议 网络协议
背景情况:
- 目前水下机器人的电场通信受到高衰减,弱信号和通道阻塞的影响.
- 自主水下车辆 (AUV) 网络需要强大的通信解决方案.
研究的目的:
- 研究和改进使用水下电场的AUV多节点网络通信.
- 为了解决信号衰减,接收弱点和通道阻塞问题.
主要方法:
- 模拟和实验评估的优化链路状态路由 (OLSR) 与特设按需距离向量 (AODV) 协议.
- 为动态AUV节点实验建立了2FSK水下电场通信系统.
- 为运营商感应多重访问与避免碰撞 (CSMA/CA) 通道提出并测试了一种动态退缩方法.
主要成果:
- 在电场CSMA/CA通道上,OLSR表现出较低的路由数据包延迟和比AODV更高的可靠性.
- 2FSK系统在3.5米以内实现了水下动态电场通信,比特误差率为0-0.628%.
- 动态后退方法使多节点通信具有0-0.96%的错误率,避免了通道堵塞.
结论:
- 优化链路状态路由 (OLSR) 适用于水下电场网络.
- 开发的2FSK系统和动态后退方法显著提高了AUV多节点通信可靠性.
- 这项研究为水下集群运营提供了实际的工程解决方案.
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