Research Article

A Node Placement Optimization Algorithm in Heterogeneous WSN Based on Neighbor Nodes

Table 1

Parameter settings.

Length and width of the monitoring area, , /m100
Coordinates of the sink node, /m(50,175)
Total number of nodes, 100
Type number of nodes, 2
Sensing range of the node, /m12
Size of the population, 20
Maximum generation of the algorithm, 100
Crossover probability constant 1, 0.5
Crossover probability constant 2, 0.9
Max crossover probability, 0.95
Forced crossover constant 1, 2.3
Mutation probability, 0.1
Homogeneous neighbor node crossover probability constant 1, 1.2
Homogeneous neighbor node crossover probability constant 2, 2.4
Heterogeneous neighbor node crossover probability constant, 7.2
Initial energy of nodes, /J0.5