An effective power-saving scheme for IEEE 802.11 based multi-hop mobile ad hoc network

The paper investigates problems that can arise in the IEEE 802.11 power-saving mode when operating in multi-hop ad hoc networks. An enhanced power-saving scheme, which is based on reliable beacon reception and adaptive window size, is proposed. The simulation results show that this scheme is quite robust under a dynamically changing network traffic load and is more energy efficient.