GNSS


The ‘Namuru’ Open GNSS Research Receiver: An update

Oct 2006 | Comments Off on The ‘Namuru’ Open GNSS Research Receiver: An update

Dynamic test

The dynamic test is designed to exercise the receiver tracking loops. The airplane scenario is convenient as it is easy to calculate cross-track and height errors, and provides a constant acceleration of around 1.6G. Time series plots for crosstrack and height errors are shown, as well as a table of statistics.

Conclusion

The Namuru project has reached a significant milestone – we have a proven circuit board, reference baseband design and application software. The performance of the receiver during static and dynamic tests has been shown to be comparable to a well established receiver. A new circuit board is on the way, offering dual front ends, USB 2, a bigger FPGA part and more memory. The main hitch is the application software, and plans are underway to tackle this issue.

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References

GPS Architect 12 Channel GPS Development System (1997) Mitel Semiconductor

Namuru FPGA GPS tracking module Data Sheet, Issue 1.1 2006, http:// dynamics.co.nz/gpsreceiver

PARKINSON, K., DEMPSTER, A., MUMFORD, P., RIZOS, C. 2006. Improving signal quality in FPGA based GPS receiver designs. Symp. on GPS/GNSS, Surfers Paradise, Australia, 17-21 July

MUMFORD, P., PARKINSON, K., DEMPSTER, A. 2006. An Open GNSS Receiver Research Platform. Symp. on GPS/GNSS, Surfers Paradise, Australia, 17-21 July

MUMFORD, P., PARKINSON, K., & ENGEL, F., 2006. An open GNSS receiver platform architecture. Coordinates, 2(1), 28-31

Signav, 2005. MG5000 Series GPS Receiver User Guide, MG5-200-GUIDS-User Guide- B.T11 signav.com.au

ENGEL, F., HEISER, G., MUMFORD, P., PARKINSON, K., & RIZOS, C., 2004. An open GNSS receiver platform architecture. Journal of GPS, 3(1-2), 63-69.

Open GNSS Projects web page at http://gps.psas.pdx.edu/ OpenGnssProjects

 

Peter Mumford

Researcher, Satellite Positioning and Navigation (SNAP)
Group, Surveying & SIS, University of New South Wales,
Sydney Australia
p.mumford@unsw.edu.au
   

Kevin Parkinson

Design Engineer, Currently completing a Master of
Engineering degree at the University of New South Wales
SNAP Group.
   

Andrew Dempster

A/Professor, Director of research, Surveying & SIS,
University of New South Wales,
Sydney Australia.
   
     
 
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