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Space Communications and Networking

Connecting spacecraft with robust, efficient links and protocols.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

Technologies

RF bands and optical comm

Antennas, beamforming, pointing

Modems, coding, DTN routing

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Example

Example: LEO–Ground Optical Link

Design terminal and tracking.

Plan weather diversity.

Integrate with RF fallback.

Frequently asked questions

RF vs optical?

Weather vs throughput trade-offs.

Latency?

DTN bundles and custody transfer.

Ground segment?

Scheduling and handovers.

Pointing?

Fine control for laser links.

Security?

Encryption and keying.

LEO mega-constellations?

ISLs and routing.

Interference?

Coordination and filters.

Standards?

CCSDS protocols.

Capacity?

Link budgets and coding gains.

Outlook?

Hybrid RF/optical backbones.

Try it live

Everything above runs in your browser — open Spiral Galaxy and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.

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