Lifetime enhancement of wireless sensor using multiple mobile data collectors and optimised trajectory Online publication date: Tue, 16-Nov-2021
by K. Jisha; K. Pradeepa
International Journal of Mobile Network Design and Innovation (IJMNDI), Vol. 10, No. 2, 2021
Abstract: Utilising mobile entities in wireless sensor network is the recent research attraction because of its numerous benefits. The paper suggests on quadrant division of network and deployment of mobile data collectors in each quadrant. Each quadrant is assigned with multiple data collection points (DCPs) with an energy rich node designated as sink node. We propose a clustering algorithm for the sink node to form clustering trees for data collection from sensor nodes. We also optimise the trajectory path of the mobile data collector by using a linear programming formulation. The data collector travels along the optimised trajectory route to visit sink nodes at each DCP to aggregate the data. Simulations are done to measure the performance of the proposed algorithm in terms of network lifetime, average energy consumption, number of live and dead nodes. The proposed algorithm showcase a good performance in comparison with the existing schemes.
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