Integrated space–air–ground–sea networks
Satellites, drones, surface buoys and vessels, and underwater nodes in one network, with topology, links and routing planned together so data moves between layers as needed.
01 — Capabilities
Links from the seabed to space
The right link for each medium, joined into one network by gateways and relays.
Cross-medium communication
Water and air suit very different signals. Surface gateways and relays convert between underwater acoustic and optical links and radio or satellite links, so data from below crosses the surface.
Underwater acoustic communication
Sound travels farthest under water. We develop and integrate acoustic modems and acoustic networks for long-range underwater data and remote control.
Underwater optical communication
Blue-green light is absorbed least in seawater, which suits short, high-rate links, for example between an underwater vehicle and a seabed node.
Surface gateway buoys
An acoustic modem below; radio, 4G/5G or satellite above; solar power on top: the doorway between an underwater network and the outside world.
Drone and satellite relays
Drones and ship-borne relays extend coverage near shore; satellites carry data back from far offshore.
System integration and custom builds
From link budgets and design to integration, sea trials and operation, we build each communication system around the project.
02 — Applications
Where they work
Wherever data has to travel at sea, and above all from under it.
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Ocean observation networks
Data from seabed and water-column sensors comes back through gateways, so instruments need recovering less often.
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Offshore wind, oil and gas
Communication links for monitoring platforms, subsea pipelines and other installations.
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Uncrewed system cooperation
Underwater and cross-medium links for swarms of surface and underwater vehicles.
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Marine ranching and aquaculture
Water-quality and equipment data sent back from net pens and farming areas.
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Emergency communication at sea
Quickly deployed buoys and drone relays set up a temporary network where there is no infrastructure.
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Research and teaching
Open communication test platforms and sea-trial support for universities and institutes.
03 — Process
From requirements to a working network
Every project moves through five stages.
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Requirements
We map the sea area, node locations, distances, data volumes and power supply.
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Design
We work out the link budget and choose the links, gateways and network topology for each layer.
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Build and integration
We develop or select the equipment, then integrate and test hardware and software.
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Testing
We test the links and the network in a tank first, then at sea.
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Deployment and operation
We deploy and bring the network online, then monitor, maintain and upgrade it.
04 — Contact
Tell us what you need to connect
Talk to us about network design, equipment, system integration or research collaboration.
contact@haiwentian.com
- Company
- Shenzhen Haiwentian Technology Co., Ltd.深圳海问天科技有限公司
- Location
- Shenzhen, China