WSN node locating method based on heterogeneous double-population particle swarm optimization
A technology of particle swarm optimization and node positioning, applied in electrical components, wireless communication, network topology, etc., can solve problems such as slow convergence speed, large positioning error, and easy to fall into local optimum
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[0093] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0094] This embodiment is based on figure 1 The practical engineering problem of wireless sensor network node localization shown in figure 1 Among them, 12 squares represent 12 anchor nodes, and 50 circles represent 50 unknown sensor nodes. The specific implementation steps of the present invention are as follows:
[0095] Step 1, user-defined initialization parameters, the initialization parameters include the number of anchor nodes K=12, K anchor node position vector Z:
[0096] Z=[20.00, 11.77, 20.72, 28.33, 92.14, 25.73, 45.67, 92.84, 70.01, 45.00, 91.43, 42.42, 53.33, 42.46, 19.36, 31.67, 61.72, 6.83, 70.00, 115.434, 82.8 , 86.67, 98.89, 53.87, 95.00, 26.59, 25.19, 103.33, 32.09, 64.20, 116.66, 94.08, 47.37]
[0097] The position of the jth anchor node is (Z j×3-2 ,Z j×3-1 ,Z j×3 ), the number of unknown se...
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