Wireless sensor network covering method based on polar coordinates
A wireless sensor and network coverage technology, applied in the field of wireless sensor network coverage, can solve the problem of complex node location limitation and so on
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[0035] In the present invention, N wireless sensor nodes are randomly deployed in a circular area with a radius of R, through the conversion of polar coordinates, aiming at reducing the overlapping area of sensing circles between nodes, adjusting the radius and angle of the nodes, and improving the network coverage. The sensing radius of the sensor node is r. When the sensing circles of two adjacent nodes in the area are tangent, there is no overlapping area between the sensing circles of the two nodes. At this time, the utilization rate of the sensing area of the two nodes reaches the maximum. The position optimization of nodes is decomposed into radial optimization and circumferential optimization. During radial optimization, nodes can only move along the line from the origin to the node, and calculate the minimum distance that the node needs to move when it is tangent to the perceived circle of the neighbor node. , this distance is the virtual radius of the change of th...
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