[PATCH] osmo-ttcn3-hacks[master]: bts/BTS_Tests.ttcn: update TC_rach_max_ta test case

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Vadim Yanitskiy gerrit-no-reply at lists.osmocom.org
Mon Mar 5 15:43:13 UTC 2018


Review at  https://gerrit.osmocom.org/7090

bts/BTS_Tests.ttcn: update TC_rach_max_ta test case

Since the I662294fe3136cf7a259be13816a3e63f7db9a948, OsmoBTS
should pass RACH requests with ToA > -2 symbol periods only.

We do allow early signal arrival up to 2 symbols, otherwise
it is most likely noise, interference or a ghost.

Change-Id: Icccc88545ed3aabd6da28a40599a8a77d1de477d
---
M bts/BTS_Tests.ttcn
1 file changed, 3 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/90/7090/1

diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index e0e8ac4..e98a8ca 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -669,7 +669,9 @@
 
 	/* default max-ta is 63 (full range of GSM timing advance */
 
-	/* negative TA must not happen */
+	/* We allow early arrival up to 2 symbols */
+	f_rach_toffs(-1*256, true);
+	f_rach_toffs(-2*256, true);
 	f_rach_toffs(-10*256, false);
 
 	/* 0 / 32 / 63 bits is legal / permitted */

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Icccc88545ed3aabd6da28a40599a8a77d1de477d
Gerrit-PatchSet: 1
Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Owner: Vadim Yanitskiy <axilirator at gmail.com>



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