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According to the relative position of intermediate nodes to the direct transmission path, in this paper, an energy efficient data relaying (EEDR) algorithms is proposed to decide which intermediate nodes can be selected to relay data in wireless sensor networks (WSNs). The EEDR is proposed to effectively decide the relaying decision for the intermediate nodes based on the energy efficiency analysis...
This paper studies the problem of correlated data gathering in wireless sensor networks. For a maximum network utility, a efficient data capture and transmission framework is proposed for correlated sources, where localized S-W source coding, network coding based flow control and opportunistic routing are jointly optimized. To increase the throughput and guarantee the decodability simultaneously,...
Skyline is an important query in many applications such as environment monitoring and industrial controlling. Lots of achievements of skyline query have been made in traditional database. But they can not be used directly to wireless sensor network. In this paper we study continuous skyline query in wireless sensor network and put forward an energy efficient algorithm named ORSSQ. ORSSQ sets up filters...
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