Skip to content

O
OpenXG-RAN
Commit 8178c8a3 authored by Laurent THOMAS's avatar Laurent THOMAS Committed by sagar arora
Browse files
Options

remove stored G in UE DL, not needed and creating issues with DCI format 11/type0

parent 00c7ddfc
Hide whitespace changes
Inline Side-by-side
Showing with 76 additions and 80 deletions
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
View file @ 8178c8a3
......@@ -274,7 +274,8 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
uint8_t nr_slot_rx,
uint8_t harq_pid,
int b_size,
uint8_t b[b_size])
uint8_t b[b_size],
int G)
{
uint32_t ret,offset;
uint32_t r,r_offset=0,Kr=8424,Kr_bytes;
......@@ -339,7 +340,6 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
uint32_t A = dlsch->dlsch_config.TBS;
ret = dlsch->max_ldpc_iterations + 1;
dlsch->last_iteration_cnt = ret;
uint32_t G = harq_process->G;
// target_code_rate is in 0.1 units
float Coderate = (float) dlsch->dlsch_config.targetCodeRate / 10240.0f;
......
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
View file @ 8178c8a3
......@@ -255,7 +255,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
int nbRx,
int32_t rxdataF_comp[][nbRx][rx_size_symbol * NR_SYMBOLS_PER_SLOT],
c16_t ptrs_phase_per_slot[][NR_SYMBOLS_PER_SLOT],
int32_t ptrs_re_per_slot[][NR_SYMBOLS_PER_SLOT])
int32_t ptrs_re_per_slot[][NR_SYMBOLS_PER_SLOT],
int G)
{
const int nl = dlsch[0].Nl;
const int matrixSz = ue->frame_parms.nb_antennas_rx * nl;
......@@ -335,9 +336,9 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
}
DEBUG_HARQ("[DEMOD] cw for TB0 = %d, cw for TB1 = %d\n", codeword_TB0, codeword_TB1);
int start_rb = dlsch[0].dlsch_config.start_rb;
int nb_rb_pdsch = dlsch[0].dlsch_config.number_rbs;
fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config = &dlsch[0].dlsch_config;
int start_rb = dlsch_config->start_rb;
int nb_rb_pdsch = dlsch_config->number_rbs;
DevAssert(dlsch0_harq);
......@@ -361,8 +362,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
slot = 1;
}
uint8_t pilots = (dlsch[0].dlsch_config.dlDmrsSymbPos >> symbol) & 1;
uint8_t config_type = dlsch[0].dlsch_config.dmrsConfigType;
uint8_t pilots = (dlsch_config->dlDmrsSymbPos >> symbol) & 1;
uint8_t config_type = dlsch_config->dmrsConfigType;
//----------------------------------------------------------
//--------------------- RBs extraction ---------------------
//----------------------------------------------------------
......@@ -386,12 +387,12 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
symbol,
pilots,
config_type,
start_rb + dlsch[0].dlsch_config.BWPStart,
start_rb + dlsch_config->BWPStart,
nb_rb_pdsch,
dlsch[0].dlsch_config.n_dmrs_cdm_groups,
dlsch_config->n_dmrs_cdm_groups,
nl,
frame_parms,
dlsch[0].dlsch_config.dlDmrsSymbPos,
dlsch_config->dlDmrsSymbPos,
ue->chest_time);
if (meas_enabled) {
stop_meas(&meas);
......@@ -409,12 +410,12 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
memcpy(ue->phy_sim_pdsch_rxdataF_ext + offset, rxdataF_ext, rx_size_symbol * sizeof(c16_t));
}
nb_re_pdsch = (pilots == 1)
? ((config_type == NFAPI_NR_DMRS_TYPE1) ? nb_rb_pdsch * (12 - 6 * dlsch[0].dlsch_config.n_dmrs_cdm_groups) : nb_rb_pdsch * (12 - 4 * dlsch[0].dlsch_config.n_dmrs_cdm_groups))
: (nb_rb_pdsch * 12);
//----------------------------------------------------------
//--------------------- Channel Scaling --------------------
//----------------------------------------------------------
nb_re_pdsch = (pilots == 1) ? ((config_type == NFAPI_NR_DMRS_TYPE1) ? nb_rb_pdsch * (12 - 6 * dlsch_config->n_dmrs_cdm_groups)
: nb_rb_pdsch * (12 - 4 * dlsch_config->n_dmrs_cdm_groups))
: (nb_rb_pdsch * 12);
//----------------------------------------------------------
//--------------------- Channel Scaling --------------------
//----------------------------------------------------------
if (meas_enabled)
start_meas(&meas);
nr_dlsch_scale_channel(rx_size_symbol, dl_ch_estimates_ext, frame_parms, nl, n_rx, symbol, pilots, nb_re_pdsch, nb_rb_pdsch);
......@@ -493,7 +494,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
symbol,
nb_re_pdsch,
first_symbol_flag,
dlsch[0].dlsch_config.qamModOrder,
dlsch_config->qamModOrder,
nb_rb_pdsch,
*log2_maxh,
measurements); // log2_maxh+I0_shift
......@@ -535,7 +536,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
dl_ch_magr,
dl_ch_estimates_ext,
nb_rb_pdsch,
dlsch[0].dlsch_config.qamModOrder,
dlsch_config->qamModOrder,
*log2_maxh,
symbol,
nb_re_pdsch);
......@@ -561,9 +562,9 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
int pduBitmap = 0;
if(dlsch0_harq->status == ACTIVE) {
startSymbIdx = dlsch[0].dlsch_config.start_symbol;
nbSymb = dlsch[0].dlsch_config.number_symbols;
pduBitmap = dlsch[0].dlsch_config.pduBitmap;
startSymbIdx = dlsch_config->start_symbol;
nbSymb = dlsch_config->number_symbols;
pduBitmap = dlsch_config->pduBitmap;
}
/* Check for PTRS bitmap and process it respectively */
......@@ -572,11 +573,9 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
ue, nbRx, ptrs_phase_per_slot, ptrs_re_per_slot, rx_size_symbol, rxdataF_comp, frame_parms, dlsch0_harq, dlsch1_harq, gNB_id, nr_slot_rx, symbol, (nb_rb_pdsch * 12), dlsch[0].rnti, dlsch);
dl_valid_re[symbol-1] -= ptrs_re_per_slot[0][symbol];
}
/* at last symbol in a slot calculate LLR's for whole slot */
if(symbol == (startSymbIdx + nbSymb -1)) {
const uint32_t rx_llr_layer_size = (dlsch0_harq->G + dlsch[0].Nl - 1) / dlsch[0].Nl;
const uint32_t rx_llr_layer_size = (G + dlsch[0].Nl - 1) / dlsch[0].Nl;
int16_t* layer_llr[NR_MAX_NB_LAYERS];
for (int i = 0; i < NR_MAX_NB_LAYERS; i++)
......@@ -610,13 +609,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
llr_offset);
}
nr_dlsch_layer_demapping(llr,
dlsch[0].Nl,
dlsch[0].dlsch_config.qamModOrder,
dlsch0_harq->G,
codeword_TB0,
codeword_TB1,
layer_llr);
nr_dlsch_layer_demapping(llr, dlsch[0].Nl, dlsch[0].dlsch_config.qamModOrder, G, codeword_TB0, codeword_TB1, layer_llr);
// if (llr[0][0]) abort();
for (int i=0; i<NR_MAX_NB_LAYERS; i++)
free(layer_llr[i]);
......
openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
View file @ 8178c8a3
......@@ -210,7 +210,8 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
uint8_t nr_slot_rx,
uint8_t harq_pid,
int b_size,
uint8_t b[b_size]);
uint8_t b[b_size],
int G);
int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
NR_UE_ULSCH_t *ulsch,
......@@ -410,7 +411,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
int nbRx,
int32_t rxdataF_comp[][nbRx][rx_size_symbol * NR_SYMBOLS_PER_SLOT],
c16_t ptrs_phase_per_slot[][NR_SYMBOLS_PER_SLOT],
int32_t ptrs_re_per_slot[][NR_SYMBOLS_PER_SLOT]);
int32_t ptrs_re_per_slot[][NR_SYMBOLS_PER_SLOT],
int G);
int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, int frame, uint8_t slot);
......
openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h
View file @ 8178c8a3
......@@ -123,8 +123,6 @@ typedef struct {
uint32_t F;
/// LDPC lifting factor
uint32_t Z;
/// Number of soft channel bits
uint32_t G;
/// codeword this transport block is mapped to
uint8_t codeword;
/// HARQ-ACKs
......
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ 8178c8a3
......@@ -485,7 +485,8 @@ static int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
NR_UE_DLSCH_t dlsch[2],
int16_t *llr[2],
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP],
int G)
{
int frame_rx = proc->frame_rx;
int nr_slot_rx = proc->nr_slot_rx;
......@@ -609,7 +610,8 @@ static int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue,
ue->frame_parms.nb_antennas_rx,
rxdataF_comp,
ptrs_phase_per_slot,
ptrs_re_per_slot)
ptrs_re_per_slot,
G)
< 0)
return -1;
......@@ -639,7 +641,11 @@ static void send_dl_done_to_tx_thread(notifiedFIFO_t *nf, int rx_slot)
}
}
static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, NR_UE_DLSCH_t dlsch[2], int16_t *llr[2])
static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
NR_UE_DLSCH_t dlsch[2],
int16_t *llr[2],
int G)
{
if (dlsch[0].active == false) {
LOG_E(PHY, "DLSCH should be active when calling this function\n");
......@@ -685,12 +691,7 @@ static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *
}
start_meas(&ue->dlsch_unscrambling_stats);
nr_dlsch_unscrambling(llr[0],
dl_harq0->G,
0,
dlsch[0].dlsch_config.dlDataScramblingId,
dlsch[0].rnti);
nr_dlsch_unscrambling(llr[0], G, 0, dlsch[0].dlsch_config.dlDataScramblingId, dlsch[0].rnti);
stop_meas(&ue->dlsch_unscrambling_stats);
......@@ -718,7 +719,8 @@ static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *
nr_slot_rx,
harq_pid,
dlsch_bytes,
p_b);
p_b,
G);
LOG_T(PHY,"dlsch decoding, ret = %d\n", ret);
......@@ -773,19 +775,10 @@ static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *
int ptrsSymbPerSlot = get_ptrs_symbols_in_slot(ptrsSymbPos, dlsch_config->start_symbol, dlsch_config->number_symbols);
unav_res = n_ptrs * ptrsSymbPerSlot;
}
dl_harq1->G = nr_get_G(dlsch_config->number_rbs,
nb_symb_sch,
nb_re_dmrs,
dmrs_len,
unav_res,
dlsch_config->qamModOrder,
dlsch[1].Nl);
int G1 =
nr_get_G(dlsch_config->number_rbs, nb_symb_sch, nb_re_dmrs, dmrs_len, unav_res, dlsch_config->qamModOrder, dlsch[1].Nl);
start_meas(&ue->dlsch_unscrambling_stats);
nr_dlsch_unscrambling(llr[1],
dl_harq1->G,
0,
dlsch[1].dlsch_config.dlDataScramblingId,
dlsch[1].rnti);
nr_dlsch_unscrambling(llr[1], G1, 0, dlsch[1].dlsch_config.dlDataScramblingId, dlsch[1].rnti);
stop_meas(&ue->dlsch_unscrambling_stats);
start_meas(&ue->dlsch_decoding_stats);
......@@ -802,7 +795,8 @@ static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *
nr_slot_rx,
harq_pid,
dlsch_bytes,
p_b);
p_b,
G);
LOG_T(PHY,"CW dlsch decoding, ret1 = %d\n", ret1);
stop_meas(&ue->dlsch_decoding_stats);
......@@ -1048,15 +1042,14 @@ void pdsch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_
int ptrsSymbPerSlot = get_ptrs_symbols_in_slot(ptrsSymbPos, dlsch_config->start_symbol, dlsch_config->number_symbols);
unav_res = n_ptrs * ptrsSymbPerSlot;
}
NR_DL_UE_HARQ_t *dlsch0_harq = &ue->dl_harq_processes[0][dlsch_config->harq_process_nbr];
dlsch0_harq->G = nr_get_G(dlsch_config->number_rbs,
dlsch_config->number_symbols,
nb_re_dmrs,
dmrs_len,
unav_res,
dlsch_config->qamModOrder,
dlsch[0].Nl);
const uint32_t rx_llr_buf_sz = ((dlsch0_harq->G + 15) / 16) * 16;
int G = nr_get_G(dlsch_config->number_rbs,
dlsch_config->number_symbols,
nb_re_dmrs,
dmrs_len,
unav_res,
dlsch_config->qamModOrder,
dlsch[0].Nl);
const uint32_t rx_llr_buf_sz = ((G + 15) / 16) * 16;
const uint32_t nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
int16_t* llr[2];
for (int i = 0; i < nb_codewords; i++)
......@@ -1064,11 +1057,11 @@ void pdsch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_C, VCD_FUNCTION_IN);
// it returns -1 in case of internal failure, or 0 in case of normal result
int ret_pdsch = nr_ue_pdsch_procedures(ue, proc, dlsch, llr, rxdataF);
int ret_pdsch = nr_ue_pdsch_procedures(ue, proc, dlsch, llr, rxdataF, G);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC_C, VCD_FUNCTION_OUT);
UEscopeCopy(ue, pdschLlr, llr[0], sizeof(int16_t), 1, dlsch0_harq->G, 0);
UEscopeCopy(ue, pdschLlr, llr[0], sizeof(int16_t), 1, G, 0);
LOG_D(PHY, "DLSCH data reception at nr_slot_rx: %d\n", nr_slot_rx);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
......@@ -1076,7 +1069,7 @@ void pdsch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_
start_meas(&ue->dlsch_procedures_stat);
if (ret_pdsch >= 0)
nr_ue_dlsch_procedures(ue, proc, dlsch, llr);
nr_ue_dlsch_procedures(ue, proc, dlsch, llr, G);
else {
LOG_E(NR_PHY, "Demodulation impossible, internal error\n");
send_dl_done_to_tx_thread(
......
openair1/SIMULATION/NR_PHY/dlschsim.c
View file @ 8178c8a3
......@@ -472,8 +472,7 @@ int main(int argc, char **argv)
//estimated_output = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
unsigned char estimated_output_bit[16 * 68 * 384];
NR_UE_DLSCH_t *dlsch0_ue = &dlsch_ue[0];
NR_DL_UE_HARQ_t *harq_process = &UE->dl_harq_processes[0][harq_pid];
harq_process->G = available_bits;
NR_DL_UE_HARQ_t *harq_process = &UE->dl_harq_processes[0][harq_pid];
harq_process->first_rx = 1;
dlsch0_ue->dlsch_config.mcs = Imcs;
dlsch0_ue->dlsch_config.mcs_table = mcs_table;
......@@ -563,13 +562,24 @@ int main(int argc, char **argv)
}
uint32_t dlsch_bytes = a_segments*1056; // allocated bytes per segment
__attribute__ ((aligned(32))) uint8_t b[dlsch_bytes];
ret = nr_dlsch_decoding(UE, &proc, 0, channel_output_fixed, &UE->frame_parms,
dlsch0_ue, harq_process, frame, nb_symb_sch,
slot,harq_pid,dlsch_bytes,b);
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_DECODING0, VCD_FUNCTION_OUT);
if (ret > dlsch0_ue->max_ldpc_iterations)
ret = nr_dlsch_decoding(UE,
&proc,
0,
channel_output_fixed,
&UE->frame_parms,
dlsch0_ue,
harq_process,
frame,
nb_symb_sch,
slot,
harq_pid,
dlsch_bytes,
b,
available_bits);
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_DECODING0, VCD_FUNCTION_OUT);
if (ret > dlsch0_ue->max_ldpc_iterations)
n_errors++;
//count errors
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment