Mavenir and cellular satellite tv for pc operator Terrestar have accomplished the primary Voice over NB-IoT (Narrowband Web of Issues) name in Non-Terrestrial Networks (NTN) mode.
The breakthrough — achieved in January 2025 — used a 3GPP-standardised NTN S-band spectrum, which strategically avoids interference prevalent in terrestrial networks.
Moreover, the system was designed to accommodate delays attribute of geostationary Earth orbit (GEO) satellites, making certain seamless and dependable connectivity regardless of the upper latency. This strategy may allow GEO satellite tv for pc operators to right away monetise NTN companies with out extreme infrastructure upgrades.
The VoNB name was performed utilizing Sony’s Altair ALT1250 IoT module, Mavenir’s Open RAN (together with Open vRAN and Open Beam radio), and Mavenir’s Converged Packet Core platform. Terrestar offered the S-band spectrum and operational experience.
The profitable demonstration serves as a proof of idea, showcasing how the mixing of satellite tv for pc and terrestrial applied sciences can ship constant communication companies in underserved areas.
Remodeling connectivity in difficult places
The collaboration highlights a shared imaginative and prescient to bridge the connectivity hole in distant and difficult environments.
By leveraging 3GPP requirements for NTNs, Mavenir and Terrestar intention to allow IoT options and dependable voice communications in areas past the attain of conventional mobile infrastructure.
Jacques Leduc, President of Terrestar Options, commented: “Terrestar Options embodies innovation and management as the primary MSS participant to supply a real-time voice service based mostly on a completely compliant 3GPP non-terrestrial community.
“With our devoted S-band spectrum and an open community structure, we leverage the power of the 3GPP ecosystem to drive a breakthrough that units us aside.
”Our mission: to speed up the ecosystem improvement and supply all, via their cellular service supplier, with satellite tv for pc cellular connectivity that ensures safety, autonomy, and independence.”
Integrating satellite tv for pc protection with terrestrial capabilities will increase attain to geographically-isolated areas, the place laying conventional infrastructure is both impractical or cost-prohibitive. Simplifying implementation additional, the partnership’s resolution works seamlessly with extensively accessible consumer gadgets, requiring solely minimal changes akin to software program upgrades.
Sachin Karkala, SVP and GM of the RAN Enterprise Unit at Mavenir, defined: “Satellite tv for pc companies present the right addition to current terrestrial networks, including a layer of widespread protection, and nowhere is that this extra essential than underserved and distant areas.
“This improvement permits satellite tv for pc operators to launch voice companies instantly utilizing accessible spectrum, current GEO satellites and industry-standard consumer gear with a easy software program improve to ship voice companies country-wide.”
This collaboration exemplifies how partnerships between {industry} gamers can unlock beforehand untapped potential. The give attention to interoperability and adherence to 3GPP requirements ensures that builders, operators, and companies can undertake these options with confidence and ease.
Advancing NB-IoT options prefer it’s NTN
The profitable achievement lays the inspiration for broader deployment of NB-IoT options in NTN mode—important for supporting IoT gadgets and companies in various sectors, together with agriculture, logistics, vitality, and catastrophe restoration. Because the expertise progresses, the inclusion of voice capabilities alongside data-driven IoT companies broadens the scope of use instances for operators and organisations.
Past business implications, the partnership is prone to have profound societal impacts. By increasing connectivity to underserved and distant areas, it offers native communities with entry to important communication companies — together with voice calls — which stay essential in emergency conditions.
The profitable VoNB name builds on Mavenir’s capabilities in unifying networks and advancing international requirements. Its Open vRAN expertise, particularly, performs a job by enabling operators to scale back prices, improve flexibility, and scale extra effectively.
Mixed with Terrestar’s expertise in leveraging mobile-satellite spectrum, the collaboration serves as a mannequin for harnessing innovation to resolve real-world challenges.
As NTN applied sciences achieve higher consideration and adoption, this NB-IoT achievement marks an essential step in turning the promise of ubiquitous connectivity right into a actuality.
See additionally: ETSI launches committee tackling IoT information sharing challenges
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