Design and Evaluation of SEANet: a Software-defined Networking Platform for the Internet of Underwater Things
arxiv(2024)
摘要
Investigating and safeguarding our oceans is vital for a host of applications
and tasks, including combating climate change, ensuring the integrity of subsea
infrastructures, and for coastal protection. Achieving these essential
functions depends on the deployment of cost-effective, versatile underwater
sensor networks that can efficiently collect and transmit data to land.
However, the success of such networks is currently hindered by the significant
limitations of existing underwater modems, which limits their operational use
to a narrow range of applications. This paper presents and evaluates the
performance of the SEANet software-defined networking platform, for the
Internet of Underwater Things (IoUT), addressing the limitations of existing
underwater communication technologies. It presents the development and
comprehensive testing of an adaptable, high-data-rate, and integration-friendly
underwater platform that reconfigures in real-time to meet the demands of
various marine applications. With an acoustic front end, the platform
significantly outperforms conventional modems, achieving more than double the
data rate at 150 kbit/s. Experiments conducted in oceanic conditions
demonstrate its capabilities in channel characterization, OFDM link
establishment, and compatibility with the JANUS communication standard. Our
platform advances the IoUT by providing a versatile, scalable solution that can
incorporate multiple physical layers and support an array of tasks, making it
pivotal for real-time ocean data analysis and the expansion of ocean-related
digital applications.
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