Research Article

Smart River Monitoring Using Wireless Sensor Networks

Table 6

Commercial sensor node energy consumption characteristics [35].

LibeliumIMote2SunSpotMicaZ

Radio standard4G (GSM)/802.15.4/ZigBee802.15.4802.15.4802.15.4/ZigBee
MicrocontrollerAtmel ATMEGA 1281Marvell PXA271ARM 920 TATMEGA 128
Sleep30 microA (sleep)
33 microA (deep sleep)
7 microA (hibernate)
390 microA33 microA15 microA
Processing15 mA31–53 mA104 mA8 mA
Transmission30 mA44 mA40 mA19.7 mA
Reception30 mA44 mA40 mA17.4 mA
Idle--24 mA-
Supply6–12 V3.2 V4.5–5.5 V2.8 mW