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]