在无线传感器网络中的灾难监控应用程序的混合方案
Danqi Chen1, Yanxia Zhang1, Guoli Pang1
1School of Information Engineering, Institute of Disaster Prevention, Sanhe 065201, China.
Sensors (Basel, Switzerland)
|June 10, 2023
概括
一个新的混合高级节点令牌戒指MAC方案增强了用于灾难监控的无线传感器网络. 这种节能系统为警报和多媒体提供快速,可靠的数据传输,改善地震响应时间.
科学领域:
- 计算机科学 计算机科学
- 电气工程 电气工程
- 网络工程 网络工程
背景情况:
- 无线传感器网络 (WSNs) 对于灾害监测至关重要,特别是对于快速地震信息.
- 有效的WSN需要快速传输警报和多媒体数据,这对于紧急救援行动至关重要.
研究的目的:
- 为WSN在灾害监测中提出一个节能,混合高级节点令牌戒指MAC方案.
- 确保与多媒体流一起快速传输警报和地震数据.
主要方法:
- 一个混合MAC方案,设置 (异质网络的集群) 和稳定状态 (工作循环,虚拟代币环,投票高级节点,低功耗监听警报) 阶段.
- 使用嵌入式马尔科夫链来分析性能指标的MAC模型的开发.
- 基于模拟的比较与现有的方法,如pLEACH,无线HART和DRX.
主要成果:
- 提出的集群方法的表现优于pLEACH.
- 警报和优质数据显示出出色的延迟和吞吐量,即使在繁忙的交通.
- 该系统在高级和普通数据中实现了几百kb/s的数据速率.
- 警报数据实现了15毫秒的最大延迟,满足了灾难监控应用程序的要求.
结论:
- 拟议的混合MAC方案有效地支持灾难监测WSN中的各种数据类型.
- 与WirelessHART和DRX相比,它提供了优越的延迟性能.
- 节能设计和快速数据传输能力对于实时地震监测和救援工作至关重要.
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