3D Deployment Optimization of Wireless Sensor Networks for Heterogeneous Functional Nodes

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. 2025 Feb 23;25(5):1366. doi: 10.3390/s25051366

Algorithm 1 Pseudocode of the ISBOA

1:
Initialize problem settings: $D i m$ , $u b$ , $l b$ , $P o p S i z e$ (N), $M a x I t$ (T), $C u r r I t e r$ (t)
2:
Initialize the population randomly
3:
for $t = 1$ to T do
4:
Update Candidate Solution $x_{b e s t}$
5:
The Cossboo cuckoo mutated:
6:
for $i = 1$ to N do
7:
Compute the Gaussian mutation of the ith Candidate Solution using Equation (13)
8:
Calculate the cuckoo’s random move step length for the ith Candidate Solution using Equations (14) and (15).
9:
Calculate and update the new state of the ith Candidate Solution using Equations (16) and (17).
10:
end for
11:
SBOA main part:
12:
for $i = 1$ to N do
13:
if $t < \frac{1}{3} T$ then
14:
Calculate new status of the ith Candidate Solution using Equation (18)
15:
Update the ith Candidate Solution using Equation (17)
16:
else if $\frac{1}{3} T < t < \frac{2}{3} T$ then
17:
Calculate new status of the ith Candidate Solution using Equation (19)
18:
Update the ith Candidate Solution using Equation (17)
19:
else
20:
Calculate new status of the ith Candidate Solution using Equation (20)
21:
Update the ith Candidate Solution using Equation (17)
22:
end if
23:
end for
24:
for $i = 1$ to N do
25:
if $r < 0.5$ then
26:
Calculate new status of the ith Candidate Solution using $C_{1}$ in Equation (22)
27:
else
28:
Calculate new status of the ith Candidate Solution using $C_{2}$ in Equation (22)
29:
end if
30:
Update the ith Candidate Solution using Equation (17)
31:
end for
32:
Smooth Exploration System:
33:
for $i = 1$ to N do
34:
Calculate the sampling rate of ith Candidate Solution using Equation (23)
35:
Update the ith Candidate Solution via random crossover in Equation (24).
36:
Update the ith Candidate Solution via sequence mutation in Equation (25).
37:
end for
38:
Save the best candidate solution so far
39:
end for
40:
Output: The best solution obtained by ISBOA for the given optimization problem return Best solution