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 <[EMAIL PROTECTED]> 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 > > > > > > > > ------------------------------ > > Join Lavalife for free. What are you waiting > > for?<http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Flavalife9%2Eninemsn%2Ecom%2Eau%2Fclickthru%2Fclickthru%2Eact%3Fid%3Dninemsn%26context%3Dan99%26locale%3Den%5FAU%26a%3D30288&_t=764581033&_r=email_taglines_Join_free_OCT07&_m=EXT> > > > > > > _______________________________________________ > > Discuss-gnuradio mailing list > > Discuss-gnuradio@gnu.org > > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
