commit 4954ae6fbf9a9126bead6d30f3c95d0b7920e1ee
author Vasil Velichkov <vvvelichkov@gmail.com> Sun Jul 21 21:41:08 2019 +0300
committer Vasil Velichkov <vvvelichkov@gmail.com> Mon Jul 29 21:12:24 2019 +0300
tree 21f1cb5b22209b93a117cc7713ea17e86bd7ba18
parent ff88ba41ecf2a6de93d6f2dd59bfa4f7e439e70b

Fix sub_slot assignment in the universal_ctrl_chans_demapper block

3GPP TS 45.002 version 15.1.0 Release 15
Table 3 : Mapping of logical channels onto physical channels (see subclauses 6.3, 6.4, 6.5)
Table 4 : Mapping of logical channels onto physical channels (see subclauses 6.3, 6.4, 6.5)

Fixes the following tests:
qa_gsm_bcch_ccch_sdcch4_demapper.test_downlink
qa_gsm_sdcch8_demapper.test_downlink

Change-Id: Idc63407694fd1f7be962ab630d4e8c13b4a5d348

lib/demapping/universal_ctrl_chans_demapper_impl.cc

diff --git a/lib/demapping/universal_ctrl_chans_demapper_impl.cc b/lib/demapping/universal_ctrl_chans_demapper_impl.cc
index 98bcc9c..a6ab956 100644
--- a/lib/demapping/universal_ctrl_chans_demapper_impl.cc
+++ b/lib/demapping/universal_ctrl_chans_demapper_impl.cc
@@ -140,7 +140,7 @@
             {
                 new_header->sub_type = ch_type;
             }
-            new_header->sub_slot = subslots[fn_mod51 + (51 * (frame_nr % 2))];
+            new_header->sub_slot = subslots[fn_mod102];
             
             if(fn_mod51>=fn51_start && fn_mod51<=fn51_stop)
             {