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neels gerrit-no-reply at lists.osmocom.orgneels has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bsc/+/24424 ) Change subject: add test_bs_power.ho_vty to show BS Power HO oscillation ...................................................................... add test_bs_power.ho_vty to show BS Power HO oscillation Shows a bug / missing feature, to be fixed in Ifcf59964b5e2d550d79e4ba14d90962808f79dae Related: SYS#5339 Change-Id: I1cc9bc39e8695faa983819b909e0ec76f0dbc296 --- M tests/handover/handover_tests.ok A tests/handover/test_bs_power.ho_vty 2 files changed, 17 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified pespin: Looks good to me, but someone else must approve fixeria: Looks good to me, approved diff --git a/tests/handover/handover_tests.ok b/tests/handover/handover_tests.ok index bd21d0e..4a4a924 100644 --- a/tests/handover/handover_tests.ok +++ b/tests/handover/handover_tests.ok @@ -10,6 +10,7 @@ pass test_balance_congestion_2.ho_vty pass test_balance_congestion_by_percentage.ho_vty pass test_balance_congestion_tchf_tchh.ho_vty +pass test_bs_power.ho_vty pass test_congestion.ho_vty pass test_congestion_favor_best_target_rxlev.ho_vty pass test_congestion_intra_vs_inter_cell.ho_vty diff --git a/tests/handover/test_bs_power.ho_vty b/tests/handover/test_bs_power.ho_vty new file mode 100644 index 0000000..2c68d57 --- /dev/null +++ b/tests/handover/test_bs_power.ho_vty @@ -0,0 +1,16 @@ +# Do not oscillate handover when the BTS applies BS power reduction + +create-bts trx-count 1 timeslots c+s4 TCH/F TCH/F TCH/F TCH/F TCH/F TCH/F PDCH +create-bts trx-count 1 timeslots c+s4 TCH/F TCH/F TCH/F TCH/F TCH/F TCH/F PDCH + +set-ts-use trx 0 0 states * TCH/F - - - - - * + +meas-rep repeat 10 bspower 20 lchan 0 0 1 0 rxlev 20 rxqual 0 ta 0 neighbors 30 +# FAIL: there should be no handover, because the bspower reduction of 20 with an rxlev of 20 (= 40) is stronger than the +# neighbor at 30. But since osmo-bsc fails to take the BS Power into account, it hands over to the neighbor. +#expect-no-chan +expect-ho from lchan 0 0 1 0 to lchan 1 0 1 0 + +# When the neighbor then reports the stronger original cell, we get handover oscillation +meas-rep repeat 10 bspower 0 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 -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/24424 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I1cc9bc39e8695faa983819b909e0ec76f0dbc296 Gerrit-Change-Number: 24424 Gerrit-PatchSet: 5 Gerrit-Owner: neels <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de> Gerrit-Reviewer: neels <nhofmeyr at sysmocom.de> Gerrit-Reviewer: pespin <pespin at sysmocom.de> Gerrit-MessageType: merged -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210527/36a4a5d2/attachment.htm>