STMicroelectronics (ST) has launched the Teseo APP, the world's first multi-frequency satellite navigation receiver chipset that supports safer autonomous driving. It is suitable for safety-critical automotive applications as well as PPP and RTK applications that provide superior location tracking capabilities with decimeter-to-centimeter accuracy.

Conventional vehicle navigation systems allowed drivers to track the location of a destination with an accuracy of several meters using receivers and commercial satellite services. However, with the increasing use of autonomous systems such as Lane-Departure Warning (LDW), Adaptive Cruise Control (ACC), automatic parking, and Auto-Pilot, there is a growing demand for improved accuracy that can ensure safety and reliability by automatically monitoring the driving environment through the combination of proximity sensing functions such as cameras, radar, and lidar. Furthermore, future fully autonomous vehicles will also require location tracking performance with even greater accuracy.

ST’s automotive TESEO APP (Automotive Precise Positioning) receiver chip simultaneously tracks all GNSS (Global Navigation Satellite System) satellite clusters using at least two of the frequencies used by each system, providing high-level raw GNSS data for PPP (Precise Point Positioning) and RTK (Real Time Kinematic) algorithms to support accurate position tracking and rapid time integration globally.

The Teseo APP is a unique receiver chip capable of monitoring the integrity of satellite data with excellent accuracy, so that it can notify the system if accuracy drops for any reason. This enables Tier 1 component manufacturers to obtain certification for safety-critical systems that meet the highest level of the automotive industry's functional safety standard, ISO 26262, called ASIL (Automotive Safety Integrity Level). In addition, the Teseo APP is equipped with a security microcontroller for secure system booting and data output authentication to safely protect key data from external attacks.

ST's Teseo V chip, released with the Teseo APP, provides the same level of multi-frequency precision positioning capabilities in a simplified device for applications that do not require integrity guarantees.

Antonio Radaelli, Senior Vice President of ST’s Infotainment Business Unit, said, “High-accuracy satellite positioning makes autonomous driving safer, smoother, and more stable,” adding, “ST’s latest GNSS chip, the Teseo APP, is a unique product that provides not only exceptional accuracy and precision but also integrity verification for safety-critical applications.”