I'm going to be frequency hopping on the IF, thus by controlling the USRP. Welp, I guess I'm the pioneer here. Hopefully this works out pretty good! Thanks for the info!
---- Joshua Davis Transient Infrastructure Security Solutions /"\ \ / ASCII Ribbon Campaign X against HTML email & vCards / \ On Tue, 5 Jul 2005, Eric Blossom wrote: > On Tue, Jul 05, 2005 at 04:45:06AM -0400, Joshua Davis wrote: > > > > Hi. First time caller. > > Welcome! > > > Are any FHSS (frequency hopping spread > > spectrum) options avail in software for gnuradio/USRP? Or do I need to > > create one by hand? If someone else has implemented this, can someone > > provide a pointer to code, so that I can use their ideas? > > We haven't implemented anything at this point, but we've given it > quite a bit of thought. One of the questions that needs be answered > depending on your application/hardware, is would you be hopping by > controlling the RF front end, or are you hopping over a narrow enough > range of frequencies that we could do it all in software/FPGA? > > There are of course the normal wide band / dynamic range issues if you > try to do the hopping all in software/FPGA, but it would be pretty > straight-forward. You could also hop at a ridiculously high rate > since you don't have to wait for an analog PLL to settle. > > It might we worth taking a look at the FM3TR spec for a starting > point. > > http://mccoy.ucsf.edu/emondi/Public/FM3TR/FM3TR_Summary.html > http://www.computing.surrey.ac.uk/personal/pg/E.Willink/wdl/Fm3tr.html > http://www.sdrforum.org/MTGS/mtg_25_sep01/01_i_0056_v0_00_fm3tr_97_09_10_01.pdf > > > Eric > > > ---- > > Joshua Davis > > Transient Infrastructure Security Solutions > > > > Nice sig ;) > > > /"\ > > \ / ASCII Ribbon Campaign > > X against HTML email & vCards > > / \ > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
