An Energy-efficient Hybrid MAC Algorithm in Wireless Sensor Networks
冯源, 掌明, Yanhong Zhang, 卢艳宏 · Telecommunication Engineering · 2012
Aiming at energy consumption for MAC protocol in wireless sensor networks(WSNs), an energy-efficient hybrid MAC algorithm for WSNs called EEH-MAC is proposed.It adopts time-slot factor based on TDMA to adjust slot size to reduce data transmission delay and allows a longer sleep time for the part of nodes which have no data transmission to save energy.At the same time,a slot order is formed by the residual energy coefficient to reduce the state conversion energy consumption.It uses CSMA/CA mechanism to communicate with cluster heads.Simulation results show that EEH-MAC can reduce energy consumption and prolong network lifetime.