Dynamic Localization Algorithm Based on Optimal Anchor Node Combination Selection for Underwater Wireless Optical Sensor Networks

Table 1. Attenuation coefficients for different types of seawater
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Table 1. Attenuation coefficients for different types of seawater
Type of water $a (λ) / m^{- 1}$ $b (λ) / m^{- 1}$ $e (λ) / m^{- 1}$
Pure sea water 0.053 0.003 0.056
Clear sea water 0.069 0.080 0.150
Coastal sea water 0.088 0.216 0.305
Turbid harbor water 0.295 1.875 2.170

Table 2. Simulation parameters

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Table 2. Simulation parameters

Parameter	Value
Deployment area /（m×m×m）	200×200×200
Simulation time Г /s	100
Initial energy E₀ /J	10000
Average transmitter power P_t /W	0.1
Optical efficiency of transmitter $l_{t}$	0.9
Optical efficiency of transmitter $l_{r}$	0.9
Receiver aperture area A_r /m²	0.01
Population size N	50
Maximum number of iterations T	100
Number of DT k	100
Minimum leaf count	5
Maximum allowable RMSEs for training sets /m	0.005
Maximum allowable RMSEs for testing sets /m	0.010

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Tengxiao Zhang, Yang Qiu, Bo Ye, Jing Xu. Dynamic Localization Algorithm Based on Optimal Anchor Node Combination Selection for Underwater Wireless Optical Sensor Networks[J]. Acta Optica Sinica, 2025, 45(15): 1506003

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