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Sylvain Munaut 246tnt at gmail.com( CC'ing the gmr mailing list since it's probably best to continue there :) >> As some of the readers may already know, a couple of Osmocom developers >> have been working on a new sub-project: OsmocomGMR. >> >> The primary goal of this project is to provide a reusable and clean >> implementation of the various layers of GMR-1. > > Wow! > > In terms of capabilities, would it allow to reach something like making > an opensource phone interfacing to Thuraya Sat network? It's certainly nowhere near that now, but one can always hope :) Since GMR-1 is so close to GSM, al the MM and CC layers of osmocom-bb could probably be re-used easily. The RR is completely different tough. The current code doesn't have the 'modulation' part but that's relatively easy. (all bursts types are described in a structure that contains all the info already to make a proper gmr1_pi4cxpsk_modulate function). Then you'd need a real time interface to USRP which is a bit more complex :) But it's something I'll definitely look into at some point because I'd like to broadcast my own GMR-1 network :p Cheers, Sylvain