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In this paper, based on our proposed confident information coverage model [1], we address the multi-modal confident information coverage (M2CIC) problem, with the goal of maximizing the network lifetime of a wireless sensor network. We model the M2CIC problem as a multi-modal set cover problem (M2SC), which is a NP-complete problem. For solving the M2SC problem, we design two energy-efficient greedy...
In wireless sensor networks (WSNs), estimation of the true distance between a source and its destination based on the hop counts between them is an important research problem. The basic idea of several hop-count-based distance-estimation algorithms is to seek an analytical/heuristic transformation from the observed destination's hop-count information to an unknown source-to-destination distance (s2d-distance)...
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