Improving Packet Delivery Performance in Water Column Variations through LOCAN in Underwater Acoustic Sensor Network

Table 6

Performance evaluation of LOCAN and COCAN on test bed with 4 nodes.

Water column variations	Temperature		Salinity		Doppler effect		Sedimentation drift
	20-25°C	25-50°C	30-50 ppt	50+ ppt	1000-2000 l/hr	2000-3000 l/hr	1000-2000 l/hr+sand	2000-3000 l/hr+sand
LOCAN
Power consumed	0.421	0.601	0.523	0.531	0.410	0.581	0.452	0.593
Packet delivery ratio	1.287	1.159	1.202	0.997	1.332	1.011	1.258	0.978
COCAN
Power consumed	0.617	0.688	0.599	0.701	0.611	0.698	0.621	0.687
Packet delivery ratio	0.878	0.684	0.759	0.598	0.721	0.501	0.658	0.498