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PDCCH optimisation : Stop reading DCI0 when found

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This commit is contained in:
gabrielC
2017-07-17 10:40:38 +02:00
parent bcdb62e140
commit a2cf0a2295
2 changed files with 22 additions and 11 deletions
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openair1/PHY/LTE_TRANSPORT/dci.c
+21 -10
View File
@@ -3071,10 +3071,7 @@ void dci_decoding_procedure0(LTE_UE_PDCCH **pdcch_vars,
dump_dci(frame_parms,&dci_alloc[*dci_cnt-1]);
#endif
if(agregationLevel != 0xFF)
{
return;
}
return;
} // rnti match
} // CCEmap_cand == 0
if ( agregationLevel != 0xFF &&
@@ -3632,7 +3629,10 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
((format0_found==1)&&(format_c_found==1)))
return(dci_cnt);
// printf("[DCI search] Format 0 aggregation 4\n");
//printf("[DCI search] Format 0 aggregation 1 dci_cnt %d\n",dci_cnt);
if (dci_cnt == 0)
{
// Now check UE_SPEC format 0 search spaces at aggregation 4
dci_decoding_procedure0(pdcch_vars,0,mode,
subframe,
@@ -3665,7 +3665,11 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
((format0_found==1)&&(format_c_found==1)))
return(dci_cnt);
// printf("[DCI search] Format 0 aggregation 2\n");
//printf("[DCI search] Format 0 aggregation 2 dci_cnt %d\n",dci_cnt);
}
if (dci_cnt == 0)
{
// Now check UE_SPEC format 0 search spaces at aggregation 2
dci_decoding_procedure0(pdcch_vars,0,mode,
subframe,
@@ -3694,7 +3698,11 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
((format0_found==1)&&(format_c_found==1)))
return(dci_cnt);
// printf("[DCI search] Format 0 aggregation 4\n");
//printf("[DCI search] Format 0 aggregation 4 dci_cnt %d\n",dci_cnt);
}
if (dci_cnt == 0)
{
// Now check UE_SPEC format 0 search spaces at aggregation 1
dci_decoding_procedure0(pdcch_vars,0,mode,
subframe,
@@ -3723,9 +3731,9 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
((format0_found==1)&&(format_c_found==1)))
return(dci_cnt);
//printf("[DCI search] Format 0 aggregation 8 dci_cnt %d\n",dci_cnt);
}
// These are for CRNTI based on transmission mode
if ((tmode < 3) || (tmode == 7)) {
// Now check UE_SPEC format 1 search spaces at aggregation 1
@@ -3751,6 +3759,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
&CCEmap0,
&CCEmap1,
&CCEmap2);
//printf("[DCI search] Format 1 aggregation 1 dci_cnt %d\n",dci_cnt);
if ((CCEmap0==0xffff) ||
(format_c_found==1))
@@ -3782,7 +3791,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
&CCEmap0,
&CCEmap1,
&CCEmap2);
//printf("[DCI search] Format 1 aggregation 2 dci_cnt %d\n",dci_cnt);
if ((CCEmap0==0xffff)||
(format_c_found==1))
@@ -3814,6 +3823,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
&CCEmap0,
&CCEmap1,
&CCEmap2);
//printf("[DCI search] Format 1 aggregation 4 dci_cnt %d\n",dci_cnt);
if ((CCEmap0==0xffff)||
((format0_found==1)&&(format_c_found==1)))
@@ -3846,6 +3856,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
&CCEmap0,
&CCEmap1,
&CCEmap2);
//printf("[DCI search] Format 1 aggregation 8 dci_cnt %d\n",dci_cnt);
if ((CCEmap0==0xffff)||
((format0_found==1)&&(format_c_found==1)))
targets/RT/USER/lte-softmodem.c
+1 -1
View File
@@ -333,7 +333,7 @@ void help (void) {
printf(" --usim-test use XOR autentication algo in case of test usim mode\n");
printf(" --single-thread-disable. Disables single-thread mode in lte-softmodem\n");
printf(" --AgregationLevel Choose the agregation level used by tghe eNB for the OAI use 1, it will save some time of processing the pdcch\n");
printf(" --DCIformat choose the DCI format (for the moment only valid for SISO DCI format 1\n");
printf(" --DCIformat choose the DCI format, be careful when using this option(for the moment only valid for SISO DCI format 1)\n");
printf(" -A Set timing_advance\n");
printf(" -C Set the downlink frequency for all component carriers\n");
printf(" -d Enable soft scope and L1 and L2 stats (Xforms)\n");