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In Wireless sensor network, error of node, energy depletion and other factors will lead to the appearance of hole, then will cause network failures, The existing hole patching algorithm need mobile sensor node to patching the hole, due to the cost of a larger mobile node. This paper presents approximate greedy algorithm which only need to activate some inactive nodes to patching the hole. The strategy...
In Wireless sensor network, node error, energy depletion and other factors will lead to the appearance of hole which will cause network failure. So it's necessary to activate some inactive nodes to patch hole. In order to select the right nodes from the set of inactive nodes to patch hole efficiently, a strategy for complete hole patching based on greedy algorithm is proposed in this paper. Firstly,...
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