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neels gerrit-no-reply at lists.osmocom.orgneels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/22268 ) Change subject: show bug: add test_dyn_ts_balance_congestion.ho_vty ...................................................................... show bug: add test_dyn_ts_balance_congestion.ho_vty Related: SYS#5298 Change-Id: I34471fbd490a95253bd0709308a42cde2af6481c --- A tests/handover/test_dyn_ts_balance_congestion.ho_vty 1 file changed, 31 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/68/22268/1 diff --git a/tests/handover/test_dyn_ts_balance_congestion.ho_vty b/tests/handover/test_dyn_ts_balance_congestion.ho_vty new file mode 100644 index 0000000..ad9d6a5 --- /dev/null +++ b/tests/handover/test_dyn_ts_balance_congestion.ho_vty @@ -0,0 +1,31 @@ +# To balance congestion, consider cross effects between TCH/F and TCH/H when occupying a dynamic timeslot in the target: +# when balancing of TCH/F congestion would take up a dyn TS in the target, reducing TCH/H availability, the handover +# should not cause worse TCH/H congestion than in the source cell. + +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 dyn dyn PDCH + +# for this test, avoid changing a TCH/F to a TCH/H by using a non-AMR codec +codec tch/f FR + +network + bts 0 + handover2 min-free-slots tch/f 2 + bts 1 + handover2 min-free-slots tch/f 4 + handover2 min-free-slots tch/h 4 + +set-ts-use trx 0 0 states * TCH/F TCH/F TCH/F TCH/F TCH/F TCH/F * +set-ts-use trx 1 0 states * TCH/F TCH/F TCH/F TCH/F pdch pdch * + +meas-rep lchan * * * * rxlev 40 rxqual 0 ta 0 neighbors 30 +expect-no-chan + +# bts 0 is full for TCH/F. Looking at TCH/F, by target_overbooked_after_ho==75% < current_overbooked_before_ho==100%, a +# congestion balancing to bts 1 would be performed. But the TCH/F on the target cell would occupy a dynamic timeslot. +# That would reduce the TCH/H free slots by two and cause TCH/H being overbooked by 50%. On the source cell, TCH/H is +# not congested. No handover is performed because 50% in the target is more congestion for TCH/H than 0% in the source +# cell. +congestion-check +# FAIL: should not increase TCH/H congestion by occupying a dyn TS +expect-ho from lchan 0 0 1 0 to lchan 1 0 5 0 -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/22268 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I34471fbd490a95253bd0709308a42cde2af6481c Gerrit-Change-Number: 22268 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofmeyr at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210117/efe9016d/attachment.htm>