A Distributed Data-Gathering Protocol Using AUV in Underwater Sensor Networks

Sensors

Jawaad Ullah Khan²  Ho-Shin Cho¹ 

[1] Department of Electronic Engineering, Kyungpook National University, Daegu 702-701, Korea; E-Mail

关键词: underwater sensor network;    autonomous underwater vehicle;    TDMA;    clustering;    Voronoi region;   

DOI  :  10.3390/s150819331

来源: mdpi

【 摘 要 】

In this paper, we propose a distributed data-gathering scheme using an autonomous underwater vehicle (AUV) working as a mobile sink to gather data from a randomly distributed underwater sensor network where sensor nodes are clustered around several cluster headers. Unlike conventional data-gathering schemes where the AUV visits either every node or every cluster header, the proposed scheme allows the AUV to visit some selected nodes named path-nodes in a way that reduces the overall transmission power of the sensor nodes. Monte Carlo simulations are performed to investigate the performance of the proposed scheme compared with several preexisting techniques employing the AUV in terms of total amount of energy consumption, standard deviation of each node’s energy consumption, latency to gather data at a sink, and controlling overhead. Simulation results show that the proposed scheme not only reduces the total energy consumption but also distributes the energy consumption more uniformly over the network, thereby increasing the lifetime of the network.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.