From 4ac34f7c7ccb405e2051e48d8fc4b2fc579399d6 Mon Sep 17 00:00:00 2001
From: gabrielC <couturier.gabriel@gmail.com>
Date: Tue, 4 Jul 2017 15:06:07 +0200
Subject: [PATCH] Valid for OAI : Save some processing timing when looking for
candidate DCI
---
openair1/PHY/LTE_TRANSPORT/dci.c | 23 +++++++++++++++--------
1 file changed, 15 insertions(+), 8 deletions(-)
diff --git a/openair1/PHY/LTE_TRANSPORT/dci.c b/openair1/PHY/LTE_TRANSPORT/dci.c
index cfce240ced..c429a493d3 100755
--- a/openair1/PHY/LTE_TRANSPORT/dci.c
+++ b/openair1/PHY/LTE_TRANSPORT/dci.c
@@ -2810,8 +2810,8 @@ void dci_decoding_procedure0(LTE_UE_PDCCH **pdcch_vars,
LOG_I(PHY,"[DCI search nPdcch %d - common] Attempting candidate %d Aggregation Level %d DCI length %d at CCE %d/%d (CCEmap %x,CCEmap_cand %x)\n",
pdcch_vars[eNB_id]->num_pdcch_symbols,m,L2,sizeof_bits,CCEind,nCCE,*CCEmap,CCEmap_mask);
else
- LOG_I(PHY,"[DCI search nPdcch %d - ue spec] Attempting candidate %d Aggregation Level %d DCI length %d at CCE %d/%d (CCEmap %x,CCEmap_cand %x)\n",
- pdcch_vars[eNB_id]->num_pdcch_symbols,m,L2,sizeof_bits,CCEind,nCCE,*CCEmap,CCEmap_mask);
+ LOG_I(PHY,"[DCI search nPdcch %d - ue spec] Attempting candidate %d Aggregation Level %d DCI length %d at CCE %d/%d (CCEmap %x,CCEmap_cand %x) format %d\n",
+ pdcch_vars[eNB_id]->num_pdcch_symbols,m,L2,sizeof_bits,CCEind,nCCE,*CCEmap,CCEmap_mask,format_c);
#endif
@@ -2900,7 +2900,7 @@ void dci_decoding_procedure0(LTE_UE_PDCCH **pdcch_vars,
}
}
- LOG_D(PHY,"DCI decoding CRNTI [format: %d, nCCE[subframe: %d]: %d ], AggregationLevel %d \n",format_c, subframe, pdcch_vars[eNB_id]->nCCE[subframe],L2);
+ //LOG_I(PHY,"DCI decoding CRNTI [format: %d, nCCE[subframe: %d]: %d ], AggregationLevel %d \n",format_c, subframe, pdcch_vars[eNB_id]->nCCE[subframe],L2);
// memcpy(&dci_alloc[*dci_cnt].dci_pdu[0],dci_decoded_output,sizeof_bytes);
@@ -2924,16 +2924,23 @@ void dci_decoding_procedure0(LTE_UE_PDCCH **pdcch_vars,
}
#ifdef DEBUG_DCI_DECODING
- LOG_I(PHY,"[DCI search] Found DCI %d rnti %x Aggregation %d length %d format %s in CCE %d (CCEmap %x)\n",
- *dci_cnt,crc,1<<L,sizeof_bits,dci_format_strings[dci_alloc[*dci_cnt-1].format],CCEind,*CCEmap);
+ LOG_I(PHY,"[DCI search] Found DCI %d rnti %x Aggregation %d length %d format %s in CCE %d (CCEmap %x) candidate %d / %d \n",
+ *dci_cnt,crc,1<<L,sizeof_bits,dci_format_strings[dci_alloc[*dci_cnt-1].format],CCEind,*CCEmap,m,nb_candidates );
dump_dci(frame_parms,&dci_alloc[*dci_cnt-1]);
#endif
-
- // if (crc==pdcch_vars[eNB_id]->crnti)
- // return;
+ if(agregationLevel != 0xFF)
+ {
+ return;
+ }
} // rnti match
} // CCEmap_cand == 0
+ if ( agregationLevel != 0xFF &&
+ (format_c == format0 && m==0 && si_rnti != SI_RNTI))
+ {
+ //Only valid for OAI : Save some processing time when looking for DCI format0. From the log we see the DCI only on candidate 0.
+ return;
+ }
} // candidate loop
}
--
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