Rohde & Schwarz and Viasat to Collaborate on NB-NTN IoT Test Plan for Connectivity Via Satellite

Why It Matters

The collaboration fast‑tracks satellite‑backed NB‑IoT deployments, unlocking connectivity for underserved markets and reinforcing 5G non‑terrestrial network standards.

Key Takeaways

• Viasat partners with Rohde & Schwarz for NB‑NTN testing.
• CMX500 handles R&D to certification in one instrument.
• Test plan aligns with 3GPP Release 17 standards.
• Aims to certify IoT devices for satellite coverage.
• Results displayed at MWC Barcelona 2026.

Pulse Analysis

Non‑terrestrial networks (NTN) are rapidly evolving from niche satellite links into integral components of 5G ecosystems, especially for narrowband IoT (NB‑IoT) applications that demand low power and wide coverage. As operators seek to extend connectivity into remote regions, the convergence of satellite and cellular standards—embodied in 3GPP Release 17—creates a pressing need for rigorous, end‑to‑end testing frameworks that can validate both protocol compliance and real‑world performance under diverse RF conditions.

The Viasat‑Rohde & Schwarz partnership addresses this gap by leveraging the CMX500’s all‑in‑one architecture, which merges signal generation, measurement and analysis into a single platform. Engineers can simulate NR‑NTN and NB‑NTN waveforms, execute stress tests across the full RF chain, and capture repeatable metrics that satisfy carrier acceptance criteria. This unified approach shortens development timelines, reduces equipment footprints, and ensures that every device—from chipset to final module—delivers consistent quality when operating on Viasat’s satellite constellation.

Industry implications are significant. By aligning test procedures with 3GPP Release 17, the collaboration not only streamlines certification pathways but also builds confidence among device manufacturers and network operators investing in satellite‑augmented IoT solutions. The public demonstration at MWC Barcelona 2026 will provide tangible proof points, encouraging broader adoption of NB‑NTN services in sectors such as agriculture, logistics and emergency response. As the market matures, the combined expertise of Viasat and Rohde & Schwarz positions them to shape standards, influence regulatory frameworks, and drive the next wave of global IoT connectivity.