Symbol
Description
Values
Transmit packet size
--
Supply voltage to sensor
2.7 V [16]
Current: sensing activity
25 mA [19]
Time duration: sensor node sensing
0.5 mS [19]
Current: flash reading 1 byte data
6.2 mA [25]
Time duration: flash reading
565 μS [25]
Current: flash writing 1 byte data
18.4 mA [25]
Time duration: flash writing
12.9 mS [25]
Energy dissipation: electronics
50 nJ/bit [26]
Free space dissipation of antenna
10 pJ/bit/m2 [26]
Distance node-sink
8 m [Figure 4]
Active time of the node
1 ms [22]
Current: wakeup mode
8 mA [17]
Current: sleeping mode
1 μA [17]
Time duration: sleep → idle
2450 μs [22]
Time duration: idle → sleep
250 μs [22]
Sleeping time of the node
Number of clock cycles per task
0.97 × 106 [26]
Average capacitance switched per cycle
22 pF [16]
Leakage current
1.196 mA [27]
Constant: depending on the processor
21.26 [27]
Thermal voltage
0.2 V
Sensor frequency
191.42 MHz [23]
Distance sink to BS
400 m [Figure 7]
Two-ray dissipation of antenna
0.0015 pJ/bit/m4 [26]
Active time of the sink
--
Sleep time of the sink
299 mS [17]