Distributed Image Compression Architecture over Wireless Multimedia Sensor Networks

Table 4

Simulation parameters.

Parameter	Symbol	Value
Network size		300 m × 300 m
Number of sensor nodes		100, 200
Number of camera nodes	-	1
Percentage of communication clusters	-	20%
Initial normal node energy		10 J
Initial camera node energy		15 J
and		50 nJ/bit
Free space		10 pJ/bit/m2
Multipath fading		0.0013 pJ/bit/m4
Energy for aggregation		5 nJ/bit/message
Data packet size [41]		128 bytes
Header size		8 bytes
Payload size		120 bytes
Control packet size		25 bytes
Communication range		75 m
Image size (Lenna grayscale) [42]	-	512 × 512 pixels
DWT level	-	5
Quantization level	-	10