discuss-gnuradio
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Discuss-gnuradio] GPS Proof-of-Concept is available


From: Krzysztof Kamieniecki
Subject: Re: [Discuss-gnuradio] GPS Proof-of-Concept is available
Date: Thu, 11 Mar 2004 14:40:34 -0500
User-agent: Internet Messaging Program (IMP) 3.2.2

Well that took forever.

In the 1.5 days it took that email to finally be published, I created a "web
page" for my GPS project.

http://www.kamieniecki.com/krys/gps/

Quoting Krzysztof Kamieniecki <address@hidden>:
> After many moons, I finally have something that may be of interest to
> people.
> 
> kkGPS (for lack of a better name) is the beginning of a software GPS receiver
> with software 
> correlators. Right now it uses a 5MS/s simulated noise free signal from six
> "satellites" with IFs of 
> ~1.25MHz. The software decodes subframes 1, 2, and 3 and uses ephemeris data
> to calculate the user 
> position.
> 
> Currently the correlators run about 4x slower then needed for a realtime 12
> channel receiver on my 
> P3 550Mhz with PC100 ram. A P4-HT 3.2Ghz with PC3200 ram that I have access
> too seems to be able to 
> run a ~30 channel receiver in realtime. The SSE correlator is a work in
> progress.
> 
> This is prototype code, so excuse the mess.
> 
> THERE WILL BE MAJOR CHANGES MADE TO THE CODE.
> 
> http://www.kamieniecki.com/krys/gps/README.txt
> http://www.kamieniecki.com/krys/gps/kkGPS-0.0.zip
> 
> -- 
> Krzysztof Kamieniecki
> callsign:KB1KLB
> mailto:address@hidden
> 
> 
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> http://mail.gnu.org/mailman/listinfo/discuss-gnuradio
> 






reply via email to

[Prev in Thread] Current Thread [Next in Thread]