Three-Dimensional UWSN Positioning Algorithm Based on Modified RSSI Values

Table 1

Experimental parameter settings.

Parameter	Value
Simulation area side length (m)	100
Total number of sensor nodes (n)	50
Anchor node ratio (%)	20
Ordinary node communication radius (m)	20
Anchor node communication radius (m)	25, 30, 35, and 40
Signal transmission attenuation model	Logarithmic attenuation model
Path loss index	2