DV-HOP indoor positioning method based on immune particle swarm optimization
A DV-HOP and indoor positioning technology, which is applied to location information-based services, specific environment-based services, positioning, etc., can solve problems such as slow convergence speed, precocious population, poor positioning accuracy, etc. The effect of expanding the search space and low cost
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[0036] The DV-Hop indoor positioning algorithm based on immune particle swarm optimization mainly introduces the combination of the immune evolution mechanism in the immune algorithm and the particle swarm algorithm. The present invention takes the area of 100m×100m as the experimental simulation environment of the indoor wireless sensor network, such as figure 1 shown. The communication between all nodes in the simulated indoor wireless sensor network area is normal, the communication radius is 30m, the population size is N=30, and the maximum number of iterations is g max =50, the maximum speed v max = 10, the maximum inertia weight ω max = 0.8, the minimum inertia weight ω min = 0.2, learning factor c 1 = c 2 =1.4962, search space dimension D=3, all simulation experiments are carried out 200 times, using the average positioning error to judge the positioning accuracy of the algorithm:
[0037]
[0038] in, is the estimated average position of unknown nodes, x is ...
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