We propose a new analytic model of the IEEE 802.15.4 slotted CSMA/CA which throughput and energy consumption are computed in saturation conditions. The analytic results are validated via ns-2 simulations.

The MIT uAMPS ns Code Extensions version 1.0 Energy-Efcient Communication Protocol for Wireless Microsensor Networks Wendi Rabiner Heinzelman Anantha Chandrakasan