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SOLUTION 08

Wireless & Satellite

Private 5G, O-RAN radio units, software-defined radio and non-terrestrial links — built around the digital front end, where the amplifier efficiency argument is won or lost. Faststream works on the radio subsystem itself and on the systems that depend on it, from enterprise private networks to trackers that must report from the middle of an ocean.

Private 5GO-RANDPDCFRSDRNTN
Coverage layers, and when each is used
Private 5GDeterministic performance and control on a defined siteWi-FiAlready installed almost everywhere — carried, not replacedLPWANLow-rate sensing across a wide area on batteryPublic cellularThe default transport wherever coverage existsSatellite (NTN)Exception path where terrestrial coverage does not reachMost sites already run two or three. The useful product does not add a fourth to operate.
SYSTEMS

What gets built.

O-RAN radio units

Programmable radio unit IP for small cell, massive MIMO and macro cell platforms, with the digital front end integrated.

Private 5G networks

Multi-connectivity platforms combining cellular, Wi-Fi and LPWAN, in deployable network-in-a-box form where fixed infrastructure is impractical.

Satellite modems and SDR

FPGA software-defined modem and signal-processing platforms for space, defence and communications.

NTN connectivity

Non-terrestrial module integration as a coverage-continuity layer for tracking, maritime and remote infrastructure.

RF front ends

Transceiver integration, filtering, antenna interface and link budget analysis.

GNSS and positioning

Multi-constellation receivers with inertial aiding for environments where satellite visibility is intermittent.

DIGITAL FRONT END

Published characteristics.

5G digital front end
ParameterValueNotes
Peak-to-average power ratio managed6–9 dBCFR, weighted windowing algorithm
System error vector magnitude3.9–4.1 per centIntegrated DFE system
Adjacent channel leakageImproved by adaptive DPDNon-linear modelling across multiple power amplifiers

Figures describe demonstrated system behaviour under the stated configuration. Applicability to a specific amplifier, waveform and bandwidth is established during engagement.

PRIVATE NETWORKS

Multi-connectivity beats single-radio.

Most sites that want a private network already have Wi-Fi, may have LPWAN sensors, and need cellular for the things that move. Building three separate networks produces three separate operational burdens.

A multi-connectivity platform carries all of them under one management plane, with non-terrestrial links available where the site extends beyond terrestrial coverage — a port, a mine, a rail yard, a disaster response deployment. The deployable form factor matters more than it sounds, because many of the sites that most need a private network are the ones where fixed infrastructure cannot be justified.

WHERE THIS APPLIES

Industries this serves.

COMMON QUESTIONS

What engineers ask before they call.

01

What is a private 5G network used for?

Coverage and control that public networks do not provide on a specific site — deterministic performance for automation, coverage in a port or mine where public networks are weak, data that must not traverse a public core, and continuity where a site extends beyond terrestrial coverage.

02

What does the digital front end contribute?

It lets the power amplifier run closer to saturation, where it is more efficient, without unacceptable adjacent channel leakage or error vector magnitude. Since the amplifier dominates radio unit energy consumption, that is a direct operating-cost argument.

03

When is a satellite link the right choice?

When continuity matters more than cost per message and terrestrial coverage does not reach — maritime legs, remote infrastructure, long transit routes. It belongs on the exception path, with reporting policy tuned accordingly, rather than as the default transport.

KEEP READING

Related work.

BUILD WITH FASTSTREAM

Bring us the difficult part.

Tell us the specification, the constraint and the deadline. Programmes that cross silicon, radio, embedded and AI are where Faststream is strongest.