In today's subsea environments, continuous monitoring abilities and high data capacity communication systems are an imperative for operating deep-sea infrastructure in both private sector businesses and defense. Oceanit worked with support from the Shell GameChanger program to develop a wireless system capable of high-speed, long-range, and high-bandwidth data transfer, called ‘ULTRA’: Underwater Laser Telemetry and Remote Access.
Umbilicals and wired infrastructure connections have proven extremely costly to place and maintain with underwater ROVs. Acoustic communication is the most readily available technology for subsea communications, but can only deliver data at rates around 10 kbit/sec. High-speed, long-range wireless communication has proven elusive underwater due to the broadband absorption of all standard communication wavelengths.
No single wireless technology is currently available to create the backbone of a high-bandwidth subsea communications system without sacrificing range and data rates.
Oceanit has developed ULTRA using point-to-point, tight-beam lasers to enable high-bandwidth, wireless communications to create the crucial backbone for a subsea internet of things. The system offers gigabit bandwidth communications over distances of 100m+ and runs through low-power sensor nodes, enabling real-time monitoring of wide-band data and eliminating the need for umbilicals within the system.
ULTRA has a much longer range current systems and is unaffected by acoustic noise environments. ULTRA takes advantage of a distributed network of low-power battery nodes which communicate to a submerged hub before relaying signals to the surface or an AUV. Built from the ground up as a directional system, ULTRA will have embedded targeting and tracking capabilities. The distributed nodes will not utilize lasers, but rather modulating reflectors encode a signal on top of a beam sent from the hub.
The higher data rates made possible by the system will provide actionable information for multiple subsea use cases. ULTRA enables more efficient operations and situational awareness across a wide variety of subsea IoT devices.