Skip to main content
Share Your Experience: Take the 2024 Developer Survey

Questions tagged [gnss]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
1 answer
102 views

High frequency robot-localization output when fusing GNSS + IMU

I'm in the process of tuning a robot-localization package parameters in my sensor-fusion ROS2 package. I have a dataset from various sensors mounted on a vehicle (IMU, GNSS, Lidar, Rgb Cameras, Radar, ...
0 votes
0 answers
59 views

Nav_sat_transfor_node dual-EKF causes serious jumping in map frame

I have a differential robot with poor grip as you can see in the picture below, with the following devices: -Motor controller - 100Hz, encoder and publishing in my topic /diff_cont/odom (frame id: ...
1 vote
2 answers
204 views

Using Here3+ for GNSS information, missing documentation?

The Here3+ is a GNSS receiver often used by drones, specifically the pixhawk. I wanted to use this receiver in my own project for geopositioning, I am however completely unable to find any ...
0 votes
0 answers
422 views

How to transform given latitude and longitude data to map frame

I am working with a multi sensor RTK-GNSS for localization of my robot. This is the data I am getting from the GNSS system. How to relate this data to my robot map frame for navigation?
1 vote
2 answers
839 views

Sensor fusion of GNSS and IMU using UKF

I do have a land-based robot with an IMU and a GNSS receiver. From the IMU, I get the velocity and acceleration in both $x$ and $y$ directions. From the GNSS receiver, I get the latitude and ...
1 vote
0 answers
293 views

Convert ECEF Velocity to NED Velocity

My GNSS modules gives me one NMEA packet with ECEF velocity. My doubt is about how i convert these 3 vectors to NED frame. Can i use the conventional matrix rotation MathWorksRef. If yes, i use the ...
0 votes
1 answer
361 views

GNSS Dead Reckoning -- Sensor Fusion Filter not necessary?

My question might be a bit off-topic but I don't know where else to ask. When I do have a GNSS Module with integrated IMU and <...
3 votes
1 answer
67 views

Confused about time systems in ephemeris computation (from GPS subframes)

I am using the gnss-sdr library to compute ephemeris from the GPS message, and to try to make sense of things, I am reading the well-known IS-GPS-200E specification. To compute ephemeris, the time ...
0 votes
1 answer
102 views

All-in-one GNSS localization solution (hardware+software) [closed]

Is there something like an all-in-one satellite based localization solution that would contain both hardware and software to do GNSS localization for robotics? I mean a package that would also contain ...