A Predictive Mechanism Based on Newton Interpolation for Underwater Wireless Sensor Network

Despite their many applications and advantages inside the marine environment, the UWSN encounters many challenges that can affect the network performances, hence many issues has raised and has been discussed recently. In this paper, we have focused on the link failure and the probability of their occurs caused by the node's mobility, water current, the limited battery of the sensor, or even the presence of some interference. Our approach is based on the newton interpolation formula, using to evaluate the link quality between sensors before that a packet is sent and operates in a cross-layer fashion, the purpose is to detect and predict if a sensor node could move out from it sender’s range, or it can regain it current position, in addition we defined a predictive zone, where the sensors are evaluated before they are selected as forwarders, based on the well-known routing protocol, Vector-Based forwarding VBF, we have implemented our approach called CPN-VBF using the ns2-simulator, the simulation results has proved the merits of the proposed study.