为实时户外应用开发弹性无线传感器网络

Maneesha Vinodini Ramesh, P. Rajan, Divya Pullarkat
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引用次数: 7

摘要

为任何户外应用部署的无线传感器网络都面临链路变化。室外部署会受到环境条件急剧变化的严重影响。在单跳和多跳传感器网络中,效果会相应变化。本文分析了阴影、衰落、树叶和降雨等传播因素对链路质量、接收信号强度和分组接收速率的影响。然后利用面向数据包的仿真工具Qualnet 5.0.2创建仿真框架,分析上述传播因素的分离和集成对信号质量的影响。利用部署在印度Munnar的用于滑坡监测的实时无线传感器网络系统接收的数据,对从模拟中开发的模型进行了测试和评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of a resilient wireless sensor network for real-time outdoor applications
Wireless sensor network deployed for any outdoor applications confronts link variations. The outdoor deployment can be appallingly affected by the precipitous change in the environmental conditions. The effect can vary accordingly with a single hop and a multi hop sensor network. In this paper, we analyze the impact of propagation factors such as shadowing, fading, foliage and rainfall on the link quality, received signal strength and packet reception rate. Then using a packet oriented simulation tool, Qualnet 5.0.2 a simulation framework was created to analyze the aftermath of the aforementioned propagation factors' separate as well as integrated effect on the signal quality. The models developed from the simulation are tested and assessed with the data received from the real time wireless sensor network system for landslide monitoring, deployed at Munnar, India.
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