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Data aggregation in wireless sensor networks (WSNs) eliminates the data redundancy and is widely accepted as an essential paradigm for energy efficient routing in sensor networks. In this paper, we describe a protocol called RDA which associates a packet's reliability in data transmission with the amount of information it contains and gives the packet containing more information higher reliability...
The advance in CMOS camera and wireless sensor network (WSN) has promoted the development of wireless multimedia sensor network (WMSN), which can collect more abundant video data and image data. One important enabling technology for WMSN is data aggregation, which is essential for WMSN to be reusable and cost-efficient. The data aggregation technologies can be divided into three parts, namely, data...
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