Commit 6e21152f authored by Gabriel's avatar Gabriel

[OAI-UE] fixes for issue#35 issue#36 issue#37

           1-issue#35: miss dci detection
           2-issue#36: ack/nack on pusch are badly encoded
           3-issue#37: ack/nack are sent on pucch instead of pusch
parent a6e6a2d6
......@@ -60,7 +60,7 @@ int lte_segmentation(unsigned char *input_buffer,
}
if ((*C)>MAX_NUM_DLSCH_SEGMENTS) {
msg("lte_segmentation.c: too many segments %d\n",*C);
LOG_E(PHY,"lte_segmentation.c: too many segments %d, B %d, L %d, Bprime %d\n",*C,B,L,Bprime);
return(-1);
}
......
......@@ -3248,7 +3248,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
SI_RNTI,
ra_rnti,
P_RNTI,
3,
0,
format1A,
format1A,
format1A,
......@@ -3277,7 +3277,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
SI_RNTI,
ra_rnti,
P_RNTI,
2,
1,
format1A,
format1A,
format1A,
......@@ -3310,7 +3310,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
SI_RNTI,
ra_rnti,
P_RNTI,
1,
2,
format1A,
format1A,
format1A,
......@@ -3339,7 +3339,7 @@ uint16_t dci_decoding_procedure(PHY_VARS_UE *ue,
SI_RNTI,
ra_rnti,
P_RNTI,
0,
3,
format1A,
format1A,
format1A,
......
......@@ -4456,6 +4456,7 @@ int generate_ue_dlsch_params_from_dci(int frame,
dlsch0_harq->status = ACTIVE;
dlsch0_harq->DCINdi = ndi;
dlsch[0]->harq_ack[subframe].send_harq_status = 1;
if (dlsch0_harq->first_tx==1) {
LOG_D(PHY,"[PDSCH %x/%d] Format 1 DCI First TX: Clearing flag\n");
dlsch0_harq->first_tx = 0;
......@@ -5556,7 +5557,7 @@ int generate_ue_dlsch_params_from_dci(int frame,
#ifdef DEBUG_DCI
if (dlsch[0] && (dlsch[0]->rnti != 0xffff)) {
printf("dci_format:%d \n",dci_format);
printf("dci_format:%d Abssubframe: %d.%d \n",dci_format,frame,subframe);
printf("PDSCH dlsch0 UE: rnti %x\n",dlsch[0]->rnti);
printf("PDSCH dlsch0 UE: NBRB %d\n",dlsch0_harq->nb_rb);
printf("PDSCH dlsch0 UE: rballoc %x\n",dlsch0_harq->rb_alloc_even[0]);
......@@ -6231,13 +6232,22 @@ int generate_ue_ulsch_params_from_dci(void *dci_pdu,
uint8_t harq_pid;
uint8_t transmission_mode = ue->transmission_mode[eNB_id];
ANFBmode_t AckNackFBMode = ue->pucch_config_dedicated[eNB_id].tdd_AckNackFeedbackMode;
ANFBmode_t AckNackFBMode;
LTE_UE_ULSCH_t *ulsch = ue->ulsch[eNB_id];
// LTE_UE_DLSCH_t **dlsch = ue->dlsch[0];
PHY_MEASUREMENTS *meas = &ue->measurements;
LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
// uint32_t current_dlsch_cqi = ue->current_dlsch_cqi[eNB_id];
if(frame_parms->frame_type == TDD)
{
AckNackFBMode = ue->pucch_config_dedicated[eNB_id].tdd_AckNackFeedbackMode;
}
else
{
AckNackFBMode = 1; // 1: multiplexing for FDD
}
uint32_t cqi_req;
uint32_t dai=0;
uint32_t cshift;
......
......@@ -1050,7 +1050,6 @@ void generate_phich(LTE_DL_FRAME_PARMS *frame_parms,
// This routine demodulates the PHICH and updates PUSCH/ULSCH parameters
void rx_phich(PHY_VARS_UE *ue,
UE_rxtx_proc_t *proc,
uint8_t subframe,
......@@ -1085,6 +1084,8 @@ void rx_phich(PHY_VARS_UE *ue,
if (!ulsch)
return;
LOG_D(PHY,"[UE %d][PUSCH %d] Frame %d subframe %d PHICH RX Status: %d \n",ue->Mod_id,harq_pid,proc->frame_rx,subframe, ulsch->harq_processes[harq_pid]->status);
if (ulsch->harq_processes[harq_pid]->status == ACTIVE) {
LOG_D(PHY,"[UE %d][PUSCH %d] Frame %d subframe %d PHICH RX ACTIVE\n",ue->Mod_id,harq_pid,proc->frame_rx,subframe);
Ngroup_PHICH = (frame_parms->phich_config_common.phich_resource*frame_parms->N_RB_DL)/48;
......
......@@ -501,7 +501,7 @@ uint32_t ulsch_encoding(uint8_t *a,
ulsch->harq_processes[harq_pid]->G = G;
/*
LOG_I(PHY,"ULSCH Encoding G %d, Q_RI %d (O_RI%d, Msc_initial %d, Nsymb_initial%d, beta_offset_ri_times8 %d), Q_CQI %d \n",G,Q_RI,ulsch->O_RI,ulsch->harq_processes[harq_pid]->Msc_initial,ulsch->harq_processes[harq_pid]->Nsymb_initial,ulsch->beta_offset_ri_times8,Q_CQI);
LOG_I(PHY,"ULSCH Encoding G %d, Q_RI %d (O_RI%d, Msc_initial %d, Nsymb_initial%d, beta_offset_ri_times8 %d), Q_CQI %d, Q_ACK %d \n",G,Q_RI,ulsch->O_RI,ulsch->harq_processes[harq_pid]->Msc_initial,ulsch->harq_processes[harq_pid]->Nsymb_initial,ulsch->beta_offset_ri_times8,Q_CQI,Q_ACK);
LOG_I(PHY,"ULSCH Encoding (Nid_cell %d, rnti %x): harq_pid %d round %d, RV %d, mcs %d, O_RI %d, O_ACK %d, G %d\n",
frame_parms->Nid_cell,ulsch->rnti,
......
......@@ -61,6 +61,9 @@ fifo_dump_emos_UE emos_dump_UE;
# include "intertask_interface.h"
#endif
#include "PHY/defs.h"
#include "PHY/CODING/extern.h"
#define DLSCH_RB_ALLOC 0x1fbf // skip DC RB (total 23/25 RBs)
#define DLSCH_RB_ALLOC_12 0x0aaa // skip DC RB (total 23/25 RBs)
......@@ -1026,6 +1029,15 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc) {
}
#endif
#endif
/*
only for debug
LOG_I(PHY,"ul-signal [subframe: %d, ulsch_start %d, TA: %d, rxOffset: %d, timing_advance: %d, hw_timing_advance: %d]\n",subframe_tx, ulsch_start, ue->N_TA_offset, ue->rx_offset, ue->timing_advance, ue->hw_timing_advance);
if( (crash == 1) && (subframe_tx == 0) )
{
LOG_E(PHY,"***** DUMP TX Signal [ulsch_start %d] *****\n",ulsch_start);
write_output("txBuff.m","txSignal",&ue->common_vars.txdata[aa][ulsch_start],frame_parms->samples_per_tti,1,1);
}
*/
} //nb_antennas_tx
......@@ -1242,6 +1254,27 @@ void ue_ulsch_uespec_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB
if (ack_status > 0) {
// check if we received a PDSCH at subframe_tx - 4
// ==> send ACK/NACK on PUSCH
if( (ue->dlsch[eNB_id][0]->harq_ack[proc->subframe_rx].send_harq_status) == 1)
{
ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK = 1;
}
else
{
ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK = 0;
}
LOG_D(PHY,"[UE %d][PDSCH %x] Frame %d subframe %d Generating ACK (%d,%d) for %d bits on PUSCH\n",
Mod_id,
ue->ulsch[eNB_id]->rnti,
frame_tx,subframe_tx,
ue->ulsch[eNB_id]->o_ACK[0],ue->ulsch[eNB_id]->o_ACK[1],
ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK);
}
#ifdef DEBUG_PHY_PROC
LOG_D(PHY,
"[UE %d][PUSCH %d] Frame %d subframe %d Generating PUSCH : first_rb %d, nb_rb %d, round %d, mcs %d, rv %d, cyclic_shift %d (cyclic_shift_common %d,n_DMRS2 %d,n_PRS %d), ACK (%d,%d), O_ACK %d\n",
......@@ -1260,15 +1293,6 @@ void ue_ulsch_uespec_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB
ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK);
#endif
if (ack_status > 0) {
LOG_D(PHY,"[UE %d][PDSCH %x] Frame %d subframe %d Generating ACK (%d,%d) for %d bits on PUSCH\n",
Mod_id,
ue->ulsch[eNB_id]->rnti,
frame_tx,subframe_tx,
ue->ulsch[eNB_id]->o_ACK[0],ue->ulsch[eNB_id]->o_ACK[1],
ue->ulsch[eNB_id]->harq_processes[harq_pid]->O_ACK);
}
......@@ -1535,6 +1559,17 @@ void ue_pucch_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
ACK/NACK and SR using the shortened PUCCH format. This shortened PUCCH format shall be used in a cell
specific SRS subframe even if the UE does not transmit SRS in that subframe
*/
int harq_pid = subframe2harq_pid(&ue->frame_parms,
frame_tx,
subframe_tx);
if(ue->ulsch[eNB_id]->harq_processes[harq_pid]->subframe_scheduling_flag)
{
LOG_D(PHY,"PUSCH is programmed on this subframe [pid %d] AbsSuframe %d.%d ==> Skip PUCCH transmission \n",harq_pid,frame_tx,subframe_tx);
return;
}
uint8_t isShortenPucch = (pSoundingrs_ul_config_dedicated->srsCellSubframe && frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission);
bundling_flag = ue->pucch_config_dedicated[eNB_id].tdd_AckNackFeedbackMode;
......
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