Mobility based application specific low power routing protocol for wireless sensor networks

Data gathering is a common but critical operation in many applications of wireless sensor networks (WSNs). Innovative techniques that improve Energy efficiency to prolong the network lifetime are highly required. The lifetime of a sensor system is the time during which it gathers information from all the sensors to the base station (BS). Given the location of sensors, BS and the available energy at each sensor, there is a requirement of an efficient manner in which the data should be collected from all the sensors and transmitted to BS, such that the system lifetime is maximized. In this paper, the researchers investigated a mobility based application specific low power routing (M-ASLPR) protocol for mobile WSNs (MWSNs). In this protocol, a sensor node gets elected as CH depending upon some parameters like residual energy, mobility and connection time etc. Simulation results show that the performance of M-ASLPR protocol is varied in terms of network lifetime according to the dynamic node densities and speed. The network lifetime gets affected on increasing the number of mobile nodes and speed which is due to high traffic in the network as mobile nodes interfere with each other.

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