Title: Lifetime enhancement of wireless sensor using multiple mobile data collectors and optimised trajectory

Authors: K. Jisha; K. Pradeepa

Addresses: Department of Computer Science, AJK College of Arts and Science, Coimbatore – 641 105, Tamilnadu, India ' Department of Computer Science, KPR College of Arts Science and Research, Avinashi Road, Arasur, Coimbatore – 641 407, Tamilnadu, India

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.

Keywords: wireless sensor network; mobile data collector; sink; clustering; DCPs; data collection points; predetermined trajectory.

DOI: 10.1504/IJMNDI.2021.118989

International Journal of Mobile Network Design and Innovation, 2021 Vol.10 No.2, pp.104 - 112

Received: 08 Jun 2021
Accepted: 11 Jun 2021
Published online: 16 Nov 2021 *

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