Power-aware methodology uses an embedded microoperating system to reduce node energy consumption by exploiting both sleep state and active power management.
Citation:
Amit Sinha, Anantha Chandrakasan, "Dynamic Power Management in Wireless Sensor Networks," IEEE Design and Test of Computers, vol. 18, no. 2, pp. 62-74, Mar./Apr. 2001, doi:10.1109/54.914626