Sleep schedule for periodic data transmissions in sensor networks
Mingjun Xiao · 2007
The most recent MAC protocols for sensor networks improved S-MAC from different points of view other than periodic data transmission situation.A time-based medium access control algorithm TB-MAC was presented specifically for periodic transmission applications.Based on the traffic forecasting and the time interval during which each node needed to be active previously,TB-MAC could compute the sleep/wakeup schedule.Simulation result shows that,in comparison with S-MAC,TB-MAC has enhanced energy efficiency by at least 75%,achieving at the same time better delay capability than S-MAC.