Power Efficient Deployment Planning for Wireless Oceanographic Systems

A wireless oceanographic system is an underwater wireless-networked sensing system for oceanographic data collection, remote monitoring, and control. It represents a cutting-edge technology that could eliminate the need of long and expensive subsea cables while featuring real-time acquisition, flexible, and convenient deployment. Mainly powered by batteries, the wireless oceanographic system calls for power efficient deployment plans to extend the system lifetime. In this work, we first propose an architecture of wireless oceanographic system and then introduce a framework for the deployment planning. Specifically, we investigate the power consumption profile of the sensor nodes in the system. We employ a battery model for more accurate power estimation. Further, we analyzed the system lifetime with the consideration of the sensor node interactions. As a case study, the framework is applied to the Ocean-TUNE Long Island Sound (LIS) testbed, a real wireless oceanographic system with practical system configurations, and real data.

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