neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/24796 )
Change subject: hodec2: add test case showing low rxqual tch/h<->tch/f oscillation ...................................................................... hodec2: add test case showing low rxqual tch/h<->tch/f oscillation Related: SYS#5198 Change-Id: I43726c5563c9c31389600ef0ff6855add5af3a03 --- A tests/handover/test_amr_tch_h_to_f_rxqual_oscillation.ho_vty 1 file changed, 29 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/96/24796/1 diff --git a/tests/handover/test_amr_tch_h_to_f_rxqual_oscillation.ho_vty b/tests/handover/test_amr_tch_h_to_f_rxqual_oscillation.ho_vty new file mode 100644 index 0000000..a98e917 --- /dev/null +++ b/tests/handover/test_amr_tch_h_to_f_rxqual_oscillation.ho_vty @@ -0,0 +1,29 @@ +# Low RxQual causes upgrade of TCH/H to TCH/F. +# That leads to congestion of TCH/F, but do not handover back to non-congested TCH/H. + +network + handover2 afs-bias rxlev 0 + handover2 min rxqual 5 + handover2 window rxqual averaging 1 + handover2 min-free-slots tch/f 3 + handover2 min-free-slots tch/h 4 + +create-bts trx-count 1 timeslots c+s4 TCH/F TCH/F TCH/F TCH/H TCH/H TCH/H PDCH +set-ts-use trx 0 0 states * - - - TCH/H- - - * +meas-rep lchan 0 0 4 0 rxlev 30 rxqual 6 ta 0 +# average rxlev is now -110 + 23 = -87 < -80: reassign to TCH/F due to bad rxlev +expect-as from lchan 0 0 4 0 to lchan 0 0 1 0 +expect-ts-use trx 0 0 states * TCH/F - - - - - * + +meas-rep lchan 0 0 1 0 rxlev 30 rxqual 6 ta 0 +congestion-check +# FAIL: should stay on TCH/F because rxqual is low, do not oscillate between TCH/F and /H. +expect-as from lchan 0 0 1 0 to lchan 0 0 4 0 +expect-ts-use trx 0 0 states * - - - TCH/H- - - * +meas-rep lchan 0 0 4 0 rxlev 30 rxqual 6 ta 0 +expect-as from lchan 0 0 4 0 to lchan 0 0 1 0 +expect-ts-use trx 0 0 states * TCH/F - - - - - * +meas-rep lchan 0 0 1 0 rxlev 30 rxqual 6 ta 0 +congestion-check +expect-as from lchan 0 0 1 0 to lchan 0 0 4 0 +expect-ts-use trx 0 0 states * - - - TCH/H- - - * -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/24796 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I43726c5563c9c31389600ef0ff6855add5af3a03 Gerrit-Change-Number: 24796 Gerrit-PatchSet: 1 Gerrit-Owner: neels <[email protected]> Gerrit-MessageType: newchange
