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When maximum movement distance of beacon node is limited, in order to improve the localization accuracy of sensor nodes, node localization algorithm of wireless sensor networks with mobile beacon node (NLA_MB) is proposed. NLA_MB algorithm divides the movement area of beacon node into some hexagonal grids, and establishes optimization model of node localization errors according to the movement path...
We develop a novel algorithm to implement collision warning to avoid traffic rear-end accidents, in which one vehicle would hit the vehicle running in front. Real-time traffic risk would be computed and the drivers would get informed the warning message. The experiments results show that our algorithm can have effective influence on this problem.
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