Reflections over the Sea: Reconfigurable Intelligent Surface for Maritime Self-Powered Communications
Qianqian Zhang, Long Wang, Ben Wu, Jia Mi

TL;DR
This paper introduces a reconfigurable intelligent surface-based maritime IoT communication system that self-powers sensors and adapts in real-time to improve coverage and reliability in harsh sea environments.
Contribution
It proposes a novel RIS-enabled framework with a sea-wave-aware channel model and energy harvesting for self-powered sensors, enhancing maritime communication performance.
Findings
Over 20% improvement in communication performance.
Effective real-time RIS adaptation under sea conditions.
Successful integration of wave energy harvesting for IoT sensors.
Abstract
Maritime communication is becoming a vital component of 6G networks, driven by the rapid expansion of the maritime economy. However, existing technologies face critical challenges in signal coverage, availability, and robustness, especially under harsh sea conditions. This paper proposes a novel framework for the maritime Internet-of-Things (IoT) communications that leverages the reconfigurable intelligent surface (RIS) mounted on offshore infrastructures, such as wind turbines, to enhance coverage and reliability. To capture dynamic maritime environment, a near-ocean-surface channel model is developed considering the impact of sea waves. In addition, a wave energy harvesting (EH) system is designed to self-power IoT sensors for data acquisition, processing, and transmission. To support real-time adaptation, channel state information is continuously measured to optimize RIS reflection…
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Taxonomy
TopicsAdvanced Wireless Communication Technologies · Underwater Vehicles and Communication Systems · UAV Applications and Optimization
