Table 1 Simulation parameters

Positioning area dimension

L×H

100 m×100 m

Grid distance

d

2 m

Pass loss component

α

1.8

Reference distance

d ₀

1 m

RSS at distance d₀

P(d₀)

10 dB, 30 dB

No. of APs

l

4

AP position

(x_j,y_j)

AP1 (17, 25) m

AP2 (43, 75) m

AP3 (67, 75) m

AP4 (83, 25) m

Variance of RSS

σ ²

5.2² dB

Number of sampling data

t

50