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Data gathering is one of the most basic applications of wireless sensor networks. How to effectively preserve the energy of the nodes in order to extend the network lifetime is a challenging problem in data gathering. Currently, many researches focus on constructing a virtual backbone of the network by using minimum connected dominating sets. Each node in the network can transmit its data to the sink...
Delay tolerant networks (DTNs) characterise a class of emerging networks that suffer from frequent and long-duration partitions. As the storage-carry-forward paradigm is adopted to transfer messages in DTNs, buffer management schemes greatly influence the performance of routing protocols when nodes have limited buffer space. From a network-wide viewpoint, the excessive increase of a single message's...
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