And leveraging the work from the osmocombb project (http://bb.osmocom.org/trac/) will get you a far ways towards the goal.
Quoting John Gilmore (g...@toad.com): > > Dear All, > > > > Do we think it is possible to create a software mobile phone using the > > USRP, with the OpenBTS code or something else? > > > > I mean everything would be in software, plus the USRP....? > > It is absolutely possible. So far I don't know anyone who has > tried to do it. The OpenBTS code would give you a big head start. > > I also think it would be interesting to port the resulting code into a > mobile phone. Generally the GSM protocols in a phone are run in a > "baseband processor" separate from the user interface processor. > Every phone I know of uses secret, proprietary code running in the > baseband processor, even when the user interface is largely free > software. Once you had working code running in GNU Radio on a Linux > machine, the challenge would be finding a well-documented baseband > chip (in which the manufacturer tells you where to find the radio I/O > gear on the chip, and how it works, etc). Porting clean GSM code to > run in that chip in realtime would require some adaptation to exploit > unusual on-chip DSP hardware, mastering an embedded debugging > environment, and perhaps shrinking the memory consumption of the GNU > Radio-based code. > > I think it's not only doable, but well worth doing. It should be > worth a couple of PhDs at least. You would certainly know the GSM > protocols inside and out by the time you were done! > > John > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Sprint > What will you do first with EVO, the first 4G phone? > Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first > _______________________________________________ > Openbts-discuss mailing list > openbts-disc...@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/openbts-discuss _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
