OsmoGMR Software¶

Right now we are still working on a basic GMR down-link receiver.

You can watch the software proceeding in the osmo-gmr.git repository:

• browse at https://gitea.osmocom.org/satellite/osmo-gmr/
• check out using git clone https://gitea.osmocom.org/satellite/osmo-gmr.git

As of now (Feb 20102), the software can

• demodulate a GMR carrier
• de-scrambling, viterbi decoding, de-interleaving, de-puncturing
• decode the BCCH / CCCH messages
• Follow immeditate asignement to TCH3 and decode those channel
• Decipher TCH3 channel given the Kc
• Forward everything to GSMTAP