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author | Harald Welte <laforge@gnumonks.org> | 2015-10-25 21:00:20 +0100 |
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committer | Harald Welte <laforge@gnumonks.org> | 2015-10-25 21:00:20 +0100 |
commit | fca59bea770346cf1c1f9b0e00cb48a61b44a8f3 (patch) | |
tree | a2011270df48d3501892ac1a56015c8be57e8a7d /2009/foss-mobile_world-seville2009/html/mgp00060.txt |
import of old now defunct presentation slides svn repo
Diffstat (limited to '2009/foss-mobile_world-seville2009/html/mgp00060.txt')
-rw-r--r-- | 2009/foss-mobile_world-seville2009/html/mgp00060.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/2009/foss-mobile_world-seville2009/html/mgp00060.txt b/2009/foss-mobile_world-seville2009/html/mgp00060.txt new file mode 100644 index 0000000..1d86823 --- /dev/null +++ b/2009/foss-mobile_world-seville2009/html/mgp00060.txt @@ -0,0 +1,14 @@ +FOSS in the Mobile World +GSM A-bis interface + + +BSC <-> BTS Interface +is called A-bis +has the following control layers on E1 TS1 +L2ML (Layer 2 Management) +TEI management similar to ISDN +OML (Organization & Maintenance) +System parameters, events +RSL (Radio Subsystem Layer) +has encoded voice data (TRAU frames) on other E1 TS + |