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Diffstat (limited to 'openbsc/doc/handover.txt')
| -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 + |