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基于PSO的无线多媒体传感器网络覆盖增强算法 被引量:2

PSO based coverage enhancing algorithm for wireless multimedia sensor networks
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摘要 在无线多媒体传感器网络(Wireless Multimedia Sensor Networks,WMSNs)中,由于节点部署的不合理,往往存在较多的监控盲区,影响了网络的服务质量。为了提高网络的覆盖率,在有向感知模型基础的基础上,提出了一种基于粒子群算法的WMSNs覆盖增强算法PSOCE。PSOCE算法以网络覆盖率为优化目标,以粒子群算法为计算工具,同时对节点的位置与主感知方向进行调整。仿真试验表明,PSOCE算法能够有效地改进WMSNs的覆盖质量,网络的覆盖率能提高6%~12%。 In wireless multimedia sensor networks (WMSNs), unreasonable deployment of nods may cause many blind areas, which affects the service quality of networks greatly. To improve network coverage, a particle swarm optimization (PSO) algorithm based coverage enhancing algorithm (PSOCE) is proposed. Based on directional sensing model, PSOCE used PSO to search rational locations and directions for all sensor nodes to optimize the network coverage. Simulation showed that PSOCE could improve coverage quality of WMSNs efficiently, and the coverage rate was increased by 6%-12%.
出处 《电子设计工程》 2011年第18期1-4,共4页 Electronic Design Engineering
基金 国家自然科学基金(60973139 61003039 61003236) 江苏省科技支撑计划(工业)项目(BE2010197 BE 2010198) 江苏省级现代服务业发展专项资金 江苏省高校自然科学基础研究项目(10KJB520013 10KJB520014) 高校科研成果产业化推进工程项目(JH10-14) 江苏高校科技创新计划项目(CX10B-196Z CX10B-197Z CX10B-200Z) 江苏省六大高峰人才项目(2008118) 教育部高等学校博士学科点专项科研基金(20103223120007) 江苏省计算机信息处理技术重点实验室基金资助项目(KJS1022)
关键词 覆盖增强 无线多媒体传感器网络 粒子群优化算法 有向感知模型 coverage enhancing wireless multimedia sensor networks particle swarm optimization algorithm directional sensing model
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