Enhanced DV-Hop Self-Localization Procedure for Wireless Sensor Networks

Abstract— In this paper, a novel self-localization procedure for wireless sensor networks is presented. Due to errors in calculating universal coordinates and inappropriate relative pairwise distance assessment, the errors in the appraisal of localization may occur. Minimization of these errors is necessary for effective localization arrangements. In irregular or sparse networks, the earlier proposed DV-Hop positioning procedure shows poor accuracy and is not effective. To avoid the weaknesses of this procedure, in this work an enhanced DV-Hop procedure for self-localization (EDVHPSL) is proposed. The anticipated EDVHPSL method delivers improvement in results in terms of localization error. MATLAB simulations have been performed to implement the proposed EDVHPSL by changing the benchmark parameters during simulation process. The parameters are number of beacon nodes, communication range, number of sensor nodes and hop count.