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ROBUST COVERAGE METHOD FOR RELAY NODES IN DOUBLE-LAYER STRUCTURE WIRELESS SENSOR NETWORK
ROBUST COVERAGE METHOD FOR RELAY NODES IN DOUBLE-LAYER STRUCTURE WIRELESS SENSOR NETWORK
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机译：双层结构无线传感器网络中中继点的鲁棒覆盖方法
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摘要
The relay node robust covering method towards double-layer structure wireless sensor network that the present invention relates to a kind of. The present invention is that a kind of relay node 2- covering Deployment Algorithms based on local search by the way that global deployment issue is degraded to partial deployment problem realize optimal deployment while guaranteeing robust. This method specifically includes two steps: 1- coverings for the first time and secondary 1- coverings. Wherein 1- coverings for the first time include the building of relay node candidate deployed position, sensor node grouping and three steps of relay node partial deployment, wherein sensor is grouped by a kind of novel group technology, ensure that the optimality of deployment while reducing algorithm complexity; Secondary 1- coverings adjustment threshold value, the sensor node only covered by a relay node is picked out to each grouping, using 1- covering methods these sensor nodes are carried out with a 1- covering again, both ensure that robustness, relay node deployment quantity is saved again, shortens the problem solving time.
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