maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

avoid detecting DCI0 at subframes where no DCI0s are sent by eNB. This happens only in TDD mode

Browse Source 
issue !156
This commit is contained in:
Wilson W.K. Thong
2016-12-15 16:57:21 +08:00
parent 8f6746beae
commit fce9f0b5d5
4 changed files with 77 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/SCHED/phy_procedures_lte_common.c
+28
View File
@@ -518,6 +518,34 @@ lte_subframe_t subframe_select(LTE_DL_FRAME_PARMS *frame_parms,unsigned char sub
}
}
dci_detect_mode_t dci_detect_mode_select(LTE_DL_FRAME_PARMS *frame_parms,uint8_t subframe)
{
dci_detect_mode_t ret = 0;
static dci_detect_mode_t Table_8_2_3gpp_36_213[][10] = {
//subf0 , subf1 , subf2 , subf3 , subf4 , subf5 , subf6 , subf7 , subf8 , subf9
{UL_DL_DCI, UL_DL_DCI , NO_DCI , NO_DCI , NO_DCI , UL_DL_DCI , UL_DL_DCI , NO_DCI, NO_DCI , NO_DCI }, // tdd0
{DL_DCI , UL_DL_DCI , NO_DCI , NO_DCI , UL_DL_DCI , DL_DCI , UL_DL_DCI , NO_DCI, NO_DCI , UL_DL_DCI }, // tdd1
{DL_DCI , DL_DCI , NO_DCI , UL_DL_DCI , DL_DCI , DL_DCI , DL_DCI , NO_DCI, UL_DL_DCI , DL_DCI }, // tdd2
{UL_DL_DCI, DL_DCI , NO_DCI , NO_DCI , NO_DCI , DL_DCI , DL_DCI , DL_DCI, UL_DL_DCI , UL_DL_DCI }, // tdd3
{DL_DCI , DL_DCI , NO_DCI , NO_DCI , DL_DCI , DL_DCI , DL_DCI , DL_DCI, UL_DL_DCI , UL_DL_DCI }, // tdd4
{DL_DCI , DL_DCI , NO_DCI , DL_DCI , DL_DCI , DL_DCI , DL_DCI , DL_DCI, UL_DL_DCI , DL_DCI }, // tdd5
{UL_DL_DCI, UL_DL_DCI , NO_DCI , NO_DCI , NO_DCI , UL_DL_DCI , UL_DL_DCI , NO_DCI, NO_DCI , UL_DL_DCI }}; // tdd6
DevAssert(subframe>=0 && subframe<=9);
DevAssert((frame_parms->tdd_config)>=0 && (frame_parms->tdd_config)<=6);
if (frame_parms->frame_type == FDD) {
ret = UL_DL_DCI;
} else {
ret = Table_8_2_3gpp_36_213[frame_parms->tdd_config][subframe];
}
LOG_D(PHY, "subframe %d: detect UL_DCI=%d, detect DL_DCI=%d\n", subframe, (ret & UL_DCI)>0, (ret & DL_DCI)>0);
return ret;
}
lte_subframe_t get_subframe_direction(uint8_t Mod_id,uint8_t CC_id,uint8_t subframe)
{