基于表面均匀配置的UWSNs覆盖控制方法研究

Research on surface uniform configuration based UWSN coverage control method

本文针对湿地水流较为平缓的特点,提出一种适用于湿地水环境监测、基于表面均匀配置的三维水下无线传感器网络覆盖控制方法。初始配置时,将传感器节点均匀等间距地分布于监测水域的表面,并按照分布式算法将各个节点下降至合适的深度,以实现对水下三维空间最大程度的覆盖。仿真结果表明,在不同的网络规模下,本方法在最大化由覆盖度和平均距离加权而成的综合指标这一覆盖控制方法的优化目标上,均优于二维随机法、一维随机法,以及深度随机法。

For wetland water with gentle flow, we present a new coverage control approach, which is based on surface uniform configuration of 3D underwater wireless sensor network （UWSN） and can be applied to wetland water environment monitoring. The equally-spaced sensors are uniformly deployed on the surface of the monitored water area in the initial deployment and then lowered to various depths selected by a distributed algorithm such that the maxi- mum coverage of the 3D underwater space is maintained. Simulation results show that under different network scales, our scheme outperforms 2D and 1D stochastic schemes as well as depth stochastic approach in terms of the optimization object of coverage control scheme, which is composed of coverage and average distance.