Realization of hiberarchy wireless sensor network for mine laneway monitoring

According to the requirement of monitoring the environment of coal mine laneway and the characteristics of the laneway landform,a kind of hiberarchy wireless sensor network was proposed for laneway monitoring.The topology control mechanism and routing mechanism were designed,correspondingly hardware of the sensor node and the protocol stack were developed,and two work modes for the system were designed.Simulation experiment in the laboratory proves operated well,the data exceeding the threshold could be delivered timely in interrupt mode and data could be periodically gathered steadily and reliably in periodic monitor mode.