fixeria has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/42127?usp=email )
Change subject: bts: as_rsl_meas_res(): tolerate low RxLev in early reports
......................................................................
bts: as_rsl_meas_res(): tolerate low RxLev in early reports
The MS is not guaranteed to begin transmitting immediately after
activation of the respective logical channel. There is typically a
short interval during which the BTS receives no bursts. Consequently,
the initial RSL measurement reports are expected to indicate poor
RxLev/RxQual values.
We already tolerate bad RxQual values; however, sporadic failures
still occur due to low RxLev in the very first report. Extend the
logic in f_build_meas_res_tmpl() to tolerate low RxLev as well.
Change-Id: Ic632917d429ec597dba524bf79749944cf1fc628
Related: 8ce558dd ("bts: as_rsl_meas_res(): tolerate bad RxQual in early
reports")
Related: OS#6933
---
M bts/BTS_Tests.ttcn
1 file changed, 4 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks
refs/changes/27/42127/1
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 9646df4..54238f5 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -2315,9 +2315,11 @@
rxq_s_u := f_tolerance(l1p.meas_ul.sub.rxqual, 0, 7,
mp_tolerance_rxqual),
supp_meas_info := omit
};
- /* Bit errors are expected during early stage of channel establishment.
- * Ignore bad RxQual in the very first reports (4 * 0.480s = 1.92s). */
+ /* Low signal and bit errors are expected during early stage of channel
establishment.
+ * Ignore bad RxLev/RxQual in the very first reports (4 * 0.480s =
1.92s). */
if (g_rsl_meas_res_nr < 4) {
+ ul_meas.rxlev_f_u := ?;
+ ul_meas.rxlev_s_u := ?;
ul_meas.rxq_f_u := ?;
ul_meas.rxq_s_u := ?;
}
--
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Gerrit-MessageType: newchange
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ic632917d429ec597dba524bf79749944cf1fc628
Gerrit-Change-Number: 42127
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <[email protected]>
