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To reduce the energy waste caused by idle listening, sensor nodes in wireless sensor networks (WSNs) usually work with low-duty-cycle mode. However, such mode brings many new challenges, especially for broadcasting applications. This paper proposes to exploit the broadcast nature of wireless media to further save energy for broadcasting in low-duty-cycle WSNs, by adopting a novel opportunistic broadcasting...
This article studies the energy efficiency of wireless sensor networks with network coding-based multipath routing (NCMR). The employed multipath model is braided multipath model, and the network coding scheme is random linear network coding. Braided multiple paths to the sink node are established for each source node, and the packets encoded at source nodes are transmitted on the braided multipath...
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