diff options
| author | Harald Welte <laforge@gnumonks.org> | 2009-11-29 20:02:53 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2009-11-29 20:02:53 +0100 |
| commit | 8c83af65c1902811d8e9823153af09cc59f4d9f6 (patch) | |
| tree | 676d70a05087c038c86cec04cae3eb13158af2bd /openbsc/doc | |
| parent | ccd5a8892ded0832bd378fb33a24412b92920963 (diff) | |
[handover] Implement 04.08 HANDOVER COMMAND
This is needed by a yet-to-be-implemented handover algorithm, after
it has allocated a new lchan for the MS. Also missing: handling
the actual HANDOVER COMPLETE / FAIL messages in response.
Diffstat (limited to 'openbsc/doc')
| -rw-r--r-- | openbsc/doc/handover.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/openbsc/doc/handover.txt b/openbsc/doc/handover.txt index 524d38625..ac19e8725 100644 --- a/openbsc/doc/handover.txt +++ b/openbsc/doc/handover.txt @@ -75,3 +75,15 @@ were achieved with the following settings: * RXQUAL >= 6: 1 dB + +== Actual Handover on a protocol level == + +After the BSC has decided a handover shall be done, it has to + +# allocate a channel at the new BTS +# allocate a handover reference +# activate the channel on the BTS side using RSL CHANNEL ACTIVATION, + indicating the HO reference +# BTS responds with CHAN ACT ACK, including GSM frame number +# BSC sends 04.08 HO CMD to MS using old BTS + |