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Reliable GNSS in challenging environments
S-GNSS® Auto is a software upgrade for GNSS receivers. It enhances receiver accuracy, reliability and sensitivity where conventional GNSS struggles, especially in urban canyons and under foliage.
• Now commercially available on STMicroelectronics Teseo
No new hardware needed.
Strong and growing IP foundation.
Validated in global trials.
Proven in the world's toughest urban and forested environments.
We continue to benchmark S-GNSS® Auto on STMicroelectronics Teseo receivers in some of the world's most challenging environments.
Fenchurch Street, London
S-GNSS® on Teseo VI tracks ground truth through a deep urban canyon where competitor receivers drift.
Chicago
Our drive route included urban canyons and areas of intense multipath. S-GNSS® Auto tracked ground truth closely even where other receivers drifted.
Bankenviertel, Frankfurt
One of the densest clusters of high-rise towers in Europe. Tall buildings along the Neue Mainzer Straße present deep urban canyons that block direct line-of-sight, representing the everyday conditions an ADAS system encounters.
Black Forest, Germany
Under unbroken canopy on the L92, competitor receivers sat 5–10 m off the road. S-GNSS® on Teseo VI stayed on the carriageway throughout.
S-GNSS® is now available on STMicroelectronics Teseo.
A simple firmware upgrade to Teseo V and Teseo VI devices. Evaluation kits are available now for OEMs, Tier 1s and ecosystem partners.
Trusted partner.
“By leveraging the flexibility of Teseo's open platform, we are expanding our portfolio with S-GNSS Auto-powered products that help customers push performance beyond traditional GNSS receiver limits and gain a real competitive edge in the market.”
“S-GNSS® Auto offers the promise of simplifying the system’s engineering effort to achieve consistent accuracy in urban environments.”
How it works
Powered by Supercorrelation®, S-GNSS® Auto uses the angle-of-arrival of satellite signals to allow GNSS receivers to focus on the line-of-sight signals, ignoring all others, without the need for high-cost antennas.
Mitigates multipath in urban canyons
Signals reflected off buildings and infrastructure are and rejected.
Boosts sensitivity under foliage
Weak line-of-sight signals attenuated by tree cover are recovered and used.
Works alongside sensors and corrections
Cleaner measurements at the receiver improve everything downstream.
Software that runs directly on the chip.
S-GNSS® can be integrated by chipset manufacturers and OEMs and into their platforms — it is not tied to any one silicon vendor. We collaborate with every stakeholder in the mobility ecosystem, and ST's Teseo is the first platform on which the joint automotive solution is commercially available.
OEMs & Tier 1s
Advance ADAS and V2X capabilities with positioning that holds in the environments your customers drive in.
Chip manufacturers
Enhance the positioning capability of your devices and push performance beyond traditional receiver limits.
Navigation engine suppliers
Integrate with precision services and navigation engines to elevate existing solutions.
Supercorrelation®
Supercorrelation is our patented, chipset-level software that improves the sensitivity, accuracy and reliability of GNSS receivers. By using the receiver's own motion, it holds signal lock for far longer and establishes the direction each signal arrives from — so reflected, non-line-of-sight signals can be rejected rather than averaged in.
The improvement happens at the receiver, in software. That is why the gain holds in multipath and signal-degraded conditions, and why it compounds with whatever integrators apply on top — including sensor fusion, RTK or PPP corrections.
Published & conference papers
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