neels has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-bsc/+/27595
)
Change subject: hodec2: reproduce reported ho oscillation from bad rxqual
......................................................................
hodec2: reproduce reported ho oscillation from bad rxqual
First show the problem.
Related: SYS#5911
Change-Id: I51f3101901492ae742d8e56d6eed2725408216cb
---
M tests/handover/test_rxqual.ho_vty
1 file changed, 8 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/95/27595/1
diff --git a/tests/handover/test_rxqual.ho_vty b/tests/handover/test_rxqual.ho_vty
index 4dc5c24..ee6108d 100644
--- a/tests/handover/test_rxqual.ho_vty
+++ b/tests/handover/test_rxqual.ho_vty
@@ -19,3 +19,11 @@
expect-ts-use trx 0 0 states * - - - - - - -
expect-ts-use trx 1 0 states * TCH/F - - - - - -
+# Now the channel is on bts 1, which has lower rxlev than bts 0.
+# The result is an undesired ho oscillation
+meas-rep repeat 10 lchan 1 0 1 0 rxlev 30 rxqual 0 ta 0 neighbors 40
+expect-ho from lchan 1 0 1 0 to lchan 0 0 1 0
+meas-rep repeat 10 lchan 0 0 1 0 rxlev 40 rxqual 6 ta 0 neighbors 30
+expect-ho from lchan 0 0 1 0 to lchan 1 0 1 0
+meas-rep repeat 10 lchan 1 0 1 0 rxlev 30 rxqual 0 ta 0 neighbors 40
+expect-ho from lchan 1 0 1 0 to lchan 0 0 1 0
--
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: I51f3101901492ae742d8e56d6eed2725408216cb
Gerrit-Change-Number: 27595
Gerrit-PatchSet: 1
Gerrit-Owner: neels <nhofmeyr(a)sysmocom.de>
Gerrit-MessageType: newchange