Unexpected Behavior DriveWorks/RoadRunner when GPS looses signal momentairly

Please provide the following info (check/uncheck the boxes after creating this topic):
Software Version
DRIVE OS Linux 5.2.6
DRIVE OS Linux 5.2.6 and DriveWorks 4.0
DRIVE OS Linux 5.2.0
DRIVE OS Linux 5.2.0 and DriveWorks 3.5
NVIDIA DRIVE™ Software 10.0 (Linux)
NVIDIA DRIVE™ Software 9.0 (Linux)
other DRIVE OS version

Target Operating System

Hardware Platform
NVIDIA DRIVE™ AGX Xavier DevKit (E3550)
NVIDIA DRIVE™ AGX Pegasus DevKit (E3550)

SDK Manager Version

Host Machine Version
native Ubuntu 18.04

When running DriverWorks/RoadRunner, we are accessing the localization result data which includes GPS coordinates on where the vehicle is located within the HD MAP/segment according to this:


When passing under a bridge/gantry, there is a momentary GPS signal lost causing the localization GPS fields to be zeros (GPS point goes to the Ocean).

Does anybody experience this behavior and advise why the localization GPS fields can’t keep providing good positioning by using other sensors IMU, Camera, Radars?

The API and RoadRunner functionalities are not available in this particular version. It’s worth noting that this forum is primarily intended for developers utilizing devzone releases, so it’s unlikely that other developers will have the relevant experience or information regarding these specific features. I just wanted to inform you about this.

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