On Thu, Sep 04, 2008 at 09:56:18AM -0700, David Burgess wrote: > Eric - > > Here's what can be released now: > > -- The GMSK radiomodem and its interface to the USRP. (GSM 05.01, > 05.04, > 05.05) > -- The interface between the GMSK radiomodem and the rest of the GSM > stack. > -- The FEC coders and decoders used in GSM 05.03. (Already in CVS, > BTW.) > -- Most of the TMDA functions of GSM 05.02. > -- Serializers and deserializers for L3 messages. (GSM 04.08) > -- The hybrid GSM/SIP control layer. (GSM 04.08, ITU-T Q.931, IETF > RFC-3261, IETF RFC-3550) > -- An incomplete SMS stack.
That's great. Thanks for being explicit. Will this be licensed under the GPL? > What's missing: > > -- Parts of the TDMA (GSM 05.02). This can all be done with tables and > isn't that complex. > -- The code to organize the FEC components into actual L1 channels > (defined in GMS 05.03). This is straightforward, though, and we will > publish some base-class examples. Once you have the framework in place, > this stuff almost writes itself. > -- GSM L2, LAPDm, is defined in GSM 04.06. It borrows heavily from > ISDN > LAPD (ITU-T Q.921). Both LAPDm and LAPD are subsets of HDLC. We will > publish a initial .h object framework. There is also an open-source ISDN > LAPD implementation that makes a useful reference. Our current LAPDm is > less than 500 lines of code, so replacing it should not be a huge chore, > especially with a .h object framework and example LAPD as a starting point. Very good. > I'm sorry to sound coy about this. It would simply not be prudent to > release some of this code into the public right now and it might take over > a year for that situation to be resolved. We don't want to wait another > year so we're releasing what we can and hoping enough interested people get > involved to replace what's missing. I can understand that. Thanks for being forthright about the situation. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
