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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
This commit is contained in:
Vadim Yanitskiy 2018-03-05 22:39:01 +07:00
parent edcdd90c49
commit c81d6e4483
1 changed files with 3 additions and 1 deletions
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bts/BTS_Tests.ttcn
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@ -669,7 +669,9 @@ testcase TC_rach_max_ta() runs on test_CT {
/* 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 */