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中文摘要：
该文提出了一种基于分簇的无线多媒体传感器网络（WMSNs）数据聚合方案（Cluster—basedDataAggregationAlgorithm，CDAA）。利用新的分簇方法和数据聚合策略，CDAA可以有效延长网络生命期。根据多媒体节点数据采集的方向性和节点剩余能耗，该文提出新的无线多媒体传感器网络的分簇方法，并基于该分簇方法进行网内多媒体数据聚合。仿真结果表明，该方法能够有效减少冗余数据的传送，与LEACH，PEGASIS等传统WSNs路由协议和针对WMSNs的AntSensNet协议相比，在能耗均衡和节能方面表现出更好的十牛能。
英文摘要：
A Cluster-based Data Aggregation Algorithm （CDAA） for Wireless Multimedia Sensor Networks （WMSNs） is proposed. CDAA extends effectively the network life cycle by a new clustering method and a data aggregation scheme based on the clustering method. According to the orientation feature and the residual energy of an individual multimedia sensor node, a new clustering method is proposed. Furthermore, a scheme of data aggregation is applied based on the clustering method. Compared with LEACH, PEGASIS and AntSensNet protocols, simulation results show that CDAA can decrease the number of data transmission in WMSNs, balance energy consumption and prolong the networks lifetime.
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