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fix for ULSCH ok when PRBs are empty

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This commit is contained in:
Francesco Mani
2020-05-08 15:29:28 +02:00
parent 927d97fa3f
commit 185477dc9f
3 changed files with 24 additions and 14 deletions
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openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
+6 -6
View File
@@ -46,12 +46,12 @@
@param symbol Symbol on which to act (within-in nr_TTI_rx)
@param harq_pid HARQ process ID
*/
void nr_rx_pusch(PHY_VARS_gNB *gNB,
uint8_t UE_id,
uint32_t frame,
uint8_t nr_tti_rx,
unsigned char symbol,
unsigned char harq_pid);
int nr_rx_pusch(PHY_VARS_gNB *gNB,
uint8_t UE_id,
uint32_t frame,
uint8_t nr_tti_rx,
unsigned char symbol,
unsigned char harq_pid);
/** \brief This function performs RB extraction (signal and channel estimates) (currently signal only until channel estimation and compensation are implemented)
openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c
+13 -7
View File
@@ -1013,12 +1013,12 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext,
}
void nr_rx_pusch(PHY_VARS_gNB *gNB,
uint8_t ulsch_id,
uint32_t frame,
uint8_t nr_tti_rx,
unsigned char symbol,
unsigned char harq_pid)
int nr_rx_pusch(PHY_VARS_gNB *gNB,
uint8_t ulsch_id,
uint32_t frame,
uint8_t nr_tti_rx,
unsigned char symbol,
unsigned char harq_pid)
{
uint8_t aarx, aatx, dmrs_symbol_flag, ptrs_symbol_flag; // dmrs_symbol_flag, a flag to indicate DMRS REs in current symbol
@@ -1159,6 +1159,12 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
gNB->pusch_vars[ulsch_id]->log2_maxh);
stop_meas(&gNB->ulsch_channel_compensation_stats);
int rxsig = signal_energy(&gNB->pusch_vars[ulsch_id]->rxdataF_comp[0][(symbol*rel15_ul->rb_size*12)],
rel15_ul->rb_size*12);
if (rxsig==1) return (rxsig);
#ifdef NR_SC_FDMA
nr_idft(&((uint32_t*)gNB->pusch_vars[ulsch_id]->rxdataF_ext[0])[symbol * rel15_ul->rb_size * NR_NB_SC_PER_RB], nb_re_pusch);
#endif
@@ -1181,5 +1187,5 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB,
}
gNB->pusch_vars[ulsch_id]->rxdataF_ext_offset = gNB->pusch_vars[ulsch_id]->rxdataF_ext_offset + nb_re_pusch;
return (0);
}
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+5 -1
View File
@@ -424,6 +424,7 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
for (int ULSCH_id=0;ULSCH_id<NUMBER_OF_NR_ULSCH_MAX;ULSCH_id++) {
NR_gNB_ULSCH_t *ulsch = gNB->ulsch[ULSCH_id][0];
int harq_pid;
int no_sig;
NR_UL_gNB_HARQ_t *ulsch_harq;
if ((ulsch) &&
@@ -438,6 +439,8 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
(ulsch_harq->handled == 0)){
#ifdef DEBUG_RXDATA
NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms;
RU_t *ru = gNB->RU_list[0];
int slot_offset = frame_parms->get_samples_slot_timestamp(slot_rx,frame_parms,0);
slot_offset -= ru->N_TA_offset;
char name[128];
@@ -451,7 +454,8 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
uint8_t symbol_start = ulsch_harq->ulsch_pdu.start_symbol_index;
uint8_t symbol_end = symbol_start + ulsch_harq->ulsch_pdu.nr_of_symbols;
for(uint8_t symbol = symbol_start; symbol < symbol_end; symbol++) {
nr_rx_pusch(gNB, ULSCH_id, frame_rx, slot_rx, symbol, harq_pid);
no_sig = nr_rx_pusch(gNB, ULSCH_id, frame_rx, slot_rx, symbol, harq_pid);
if (no_sig) return;
}
//LOG_M("rxdataF_comp.m","rxF_comp",gNB->pusch_vars[0]->rxdataF_comp[0],6900,1,1);
//LOG_M("rxdataF_ext.m","rxF_ext",gNB->pusch_vars[0]->rxdataF_ext[0],6900,1,1);