为保证前向传输定向传感器网络的覆盖与连通,探索连续渗流密度对定向传感网络覆盖与连通的影响,基于连续渗流理论构建了前向感知角度为2π的异构节点对连通覆盖模型来研究前向传输异构网络的连续渗流问题.该模型考虑了前向感知角度异构的节点对的协作传输路径,基于对异构覆盖模型排除区域的计算,研究了前向感知角度对异构定向传感网络的连续渗流密度λc的影响.仿真实验表明,在前向传输的异构定向传感网络中,前向感知角度的增大可减小连续渗流密度λc.%In order to ensure the coverage and connectivity of forward transmission in the directional sensor net-works,the influence of continuous seepage density on the coverage and connectivity of directional sensor networks is explored. Based on the continuous seepage theory,a connected coverage model of heterogeneous node pairs with a forward sensor angle 2πis constructed to study continuous seepage problems in the forward transmission of heteroge-neous networks. Taking into account the collaborative transmission path of heterogeneous node pairs of forward sen-sor angles and based on the calculation of excluded regions of the heterogeneous coverage model,this model studies the influence of forward sensor angles on the continuous seepage densityλc in directional heterogeneous sensor net-works. The simulation results show that the increase of forward sensor angles can reduce the continuous seepage density λc in the forward transmission of directional heterogeneous sensor networks.
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