Abstract

By using underwater acoustic sensor networks (UWSNs) as a backbone, Internet of Underwater Things (IoUT) have developed rapidly due to their applications, such as environmental monitoring, marine resources development, and geological oceanography. Frequently changing or recharging the batteries of underwater sensor nodes may not be realistic due to the harsh marine environment and high cost of underwater equipment. In this paper, we propose an energy-efficient routing protocol for IoUT for marine environmental monitoring. Our simulation results show that the proposed routing protocol can prolong the network lifetime for IoUT compared with other published routing protocols.

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