An Improved FQ-CSMA Protocol for Real-Time Monitoring in WSN

In wireless sensor network when emergency events monitoring application are involved,for the mountain torrent disaster warning in regime monitoring application,the alarm signal and the ordinary signal should be dealed with diffierently how to guarantee the high real-time of important warning signal,and how to balance alarm signal and ordinary signal transmission quality,there is little research on them.After the analysis of the existing widely applied CSMA/CA protocal in wireless sensor network data link layer,this article proposed a improved-protocol based on weighted fair queue thought.At last,simulation results prove the superiority of improved protocol from average queue time delay and energy consumption.