Re: [Discuss-gnuradio] GPS on USRP

[Michael Gray]

That is a great reference book.  The Matlab code actually works and 
generates a fix.  Here is a link to some Over The Air captures, including 
GPS.

http://www.kd7lmo.net/ground_gnuradio_ota.html



On Fri, 29 Feb 2008, Carles Fernandez wrote:

> Hi Faisal,
> 
> I'm also working with GNU Radio for GNSS applications. A good start could be
> a recording of samples into datafiles and then post-process the data in the
> way that you feel more comfortable (the book [1] comes with a DVD with a
> complete GPS L1 receiver implemented in MATLAB, all GNU code). Once you get
> familiarized with the processing, you can try to implement the receiver in
> GNU Radio.
> 
> At least, this is the way I'm following. Any suggestion would be welcome.
> 
> Cheers,
> Carles.
> 
> [1] Kai Borre, Dennis M. Akos, Nicolaj Bertelsen, and Peter Rinder, A
> Software-Defined GPS and Galileo Receiver: A Single-Frequency Approach
> (Applied and Numerical Harmonic Analysis). Birkhäuser Boston; 1 edition
> (November 9, 2006)
> 
> 
> 
> On Fri, Feb 29, 2008 at 6:45 PM, Paul Creekmore <address@hidden> wrote:
> 
> >  Faisal,
> >
> > I'm at Purdue University working toward using the USRP for GNSS
> > applications.  Check my understanding: are you wanting to use the USRP to
> > record, say, L1 band samples directly to a data file?  Would you be
> > performing all of the signal acquisition and tracking in post-processing
> > with a separate software tool?
> >
> > I'm working on Linux (Debian), but we aught to be able to trade notes.  If
> > you've got a working installation of GNU Radio, I can show you how to record
> > samples.
> >
> > --Paul
> >
> > Phaysal Khan wrote:
> >
> > Hi,
> > I am a newbie to USRP, and still struggling to get it working on my
> > windows machine. I am trying to use cygwin. I reckon that many ppl have
> > already acquired and tracked GPS on USRP. Waht I want to do is to capture
> > GPS IF samples (e.g. at IF=5 MHz) and use a software receiver to process
> > those IF samples on PC. Any suggestions to start?!...
> >
> >
> >
> > Faisal A. Khan
> > Doctral Candidate
> > University of New South Wales
> > NSW 2052, Sydney, Australia
> > P) +61-2-93854208    M)+61-401-260728
> >
> >
> >
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