Efficient data forwarding techniques in Wireless Sensor Networks

Energy consumption is the key design criterion for routing data in WSN. However, some applications of WSN like disaster management, battlefield control etc. demand fast data delivery. In this paper, three data forwarding techniques are proposed. Here, the source nodes or intermediate nodes select a next node to forward the data to the destination based on different criteria. The process repeats until data reach the destination. In the first technique, neighbor node nearer to the sink is chosen considering its distance from sink node as a criterion. In the second technique remaining energy of the neighboring nodes is used as a criterion to select the next node. The combination of these two criteria is considered in the third technique based on Multiple Criteria Decision Analysis. A comparative study of the performance of these techniques has been carried out and results are presented in this paper.