ENGLISH OVERVIEW

LEO Satellite Communications

Network operation, services and hardware in distinct roles

The LEO communications chain includes constellation operation, service integration, satellite manufacturing, launch, ground stations and user terminals. Start with who operates the network and delivers the service, then follow the hardware and material requirements.

Sources reviewed: 2026-09-27

A system with space, ground and user segments

User equipment accesses the network; satellites relay or process traffic; ground systems connect to terrestrial networks and support operations. Some architectures use inter-satellite links before traffic reaches the ground.

  • Moving satellites require tracking and handovers. Orbital altitude alone does not determine service quality.

Roles can be combined or contracted separately

Constellation operators manage networks, integrators deliver customer services, manufacturers build satellites, launch providers place them in orbit and ground-network services support operations.

  • SpaceX covers several roles; Eutelsat, Airbus and local partners illustrate divided responsibilities. Functional links are not a complete supplier list for any operator.

Follow installation location to the material

A part on a satellite, in a gateway or inside a user terminal faces different requirements. Antennas and RF modules lead to PCB and laminate requirements, then resin, glass and copper.

  • Technical availability, design-in, qualification and production are separate milestones.

Companies by industry role

Connected industry roles

Links describe supply, classification, technology or services. They do not establish transactions between individual companies.

Communication Satellites → LEO Satellite Communications

Space-segment component

Communications satellites combine with ground and user equipment to deliver service; this is system composition, not a specific transaction.

Eutelsat | OneWeb LEO network architecture

Sources reviewed: 2026-09-26

Ground Stations and Gateways → LEO Satellite Communications

Ground-segment equipment

Gateways and network equipment carry traffic; mission control supports satellite operations and need not share the same site.

NASA | Ground data systems and mission operations

Sources reviewed: 2026-09-27

Satellite User Terminals → LEO Satellite Communications

User access equipment

Compatible terminals deliver a selected satellite network's service to users; specifications vary by application.

Eutelsat | LEO user equipment and antenna options

Sources reviewed: 2026-09-26

LEO Constellation Operators → LEO Satellite Communications

Constellation and network operation

Managing satellite constellations and connectivity is part of the overall satellite communication service.

Eutelsat | OneWeb constellation

Sources reviewed: 2026-09-27

Satellite Services and Integration → LEO Satellite Communications

User services and network integration

Integrates satellite connectivity into user or enterprise networks, including service and support.

Chunghwa Telecom | OneWeb service collaboration

Sources reviewed: 2026-09-27

Sources

This English overview condenses the original guide. Product specifications and certifications should be checked against the linked manufacturer documentation.