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FAU Researchers Receive $500K NSF Grant for Underwater Communication Development

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BOCA RATON, Fla., Feb. 17, 2018 — Researchers from Florida Atlantic University's (FAU) College of Engineering and Computer Science have received a $500,000 grant from the National Science Foundation (NSF) to design, deploy and evaluate a first-of-its-kind software-defined testbed for real-time undersea wireless communications and surveillance.

Researchers will evaluate and test the performance of their technique (range, accuracy, and data throughput) first in a 30-foot-deep acoustic test tank at FAU, and then in the Atlantic Ocean off the coast of Dania Beach at FAU's Institute for Ocean and Systems Engineering (SeaTech).
Researchers will evaluate and test the performance of their technique (range, accuracy, and data throughput) first in a 30-ft-deep acoustic test tank at FAU, and then in the Atlantic Ocean off the coast of Dania Beach at FAU's Institute for Ocean and Systems Engineering (SeaTech). Courtesy of Florida Atlantic University.


The four-year project, "Cognitive Networking of the Oceans: Localization and Tracking Fundamentals," provides the foundations for a four-tier heterogeneous network architecture involving autonomous undersea vehicles (AUVs), autonomous water-surface vehicles (ASVs), unmanned aerial vehicles (UAVs), and satellites.

"Today, cognitive undersea acoustics is a key wireless communication technology that can be used for a wide range of military, commercial and scientific applications, including tactical surveillance, offshore exploration, monitoring of subsea machinery, such as oil-rigs and pipelines, disaster prevention, as well as the study of marine life," said Stella Batalama, principal investigator and dean of FAU's College of Engineering and Computer Science. "With this National Science Foundation grant, our goal is to significantly advance the state-of-the-art in 3D passive undersea acoustic localization by providing novel algorithmic solutions to address the challenges that exist in wireless networked communication, navigation and surveillance."

Current approaches for undersea localization and tracking are expensive and power-intensive. This new technology developed at FAU will advance software-defined undersea acoustic technology for cognitive networking and will help to address and resolve interoperability issues in heterogeneous network deployments that include real-time interaction between undersea, water-surface, aerial and satellite communication nodes.

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"Undersea wireless communications and networking has a wide range of applications, but is still a daunting task due to the very nature of the water propagation medium," said Dimitris Pados, co-principal investigator, professor in FAU's Department of Computer and Electrical Engineering and Computer Science and I-SENSE fellow. "Long propagation delays, Doppler effects caused by vehicle and water movement, and the highly dynamic multipath nature of the undersea environment result in significant errors and outliers in received data measurements. There is a great need for modular software and hardware architectures that enable rapid deployment and evaluation of new robust protocol designs."

Batalama and Pados will work to design and develop novel in-house software-defined modules of the undersea network to maximize flexibility and minimize form factor and cost.

The researchers will develop optimal algorithms for oceanic-scale 3D acoustic underwater localization and tracking and will develop software and hardware technology to create and maintain a programmable software-defined undersea acoustic testbed comprising four nodes. The project will begin with algorithmic designs and continue to the development, deployment and evaluation of a software-defined interoperable cross-medium cross-layer network testbed in which undersea AUVs, aerial UAVs, water-surface ASVs, and satellite nodes will form a single cognitively optimized super network.

Batalama and Pados will evaluate and test the performance of their technique in a 30-ft-deep acoustic test tank at FAU before testing it in the Atlantic Ocean off the coast of Dania Beach at FAU's Institute for Ocean and Systems Engineering (SeaTech). Localization capabilities will be demonstrated in communication, command, and control application scenarios for remote wireless navigation and surveillance.

Published: February 2018
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