Improved minimum hop routing protocol based on residual energy and congestion

In order to reduce the routing's energy cost, improve the reliability of the entire network, and ensure the service quality of data transmission, as well as lower the transmission delay in wireless sensor networks, an improved minimum hop routing protocol based on residual energy and congestion (CEMHR) is proposed, which consider energy, congestion and backup strategy. What is more, the protocol adopts space-time correlation algorithm to eliminate data redundancy. Experiments have been conducted and compared with EMHR and RESEE, the results show that the performance of CEMHR is better than EMHR and RESEE in network utilization, transmission delay and lifetime of network.