From 223ad6aabe2093de896163beff981a2ebf0b8758 Mon Sep 17 00:00:00 2001 From: sfn Date: Wed, 15 Dec 2021 12:55:27 +0100 Subject: [PATCH] Enable 4 layers Transmission for PDSCH: tested only for dlsim and RFsim with pmi=0 --- openair1/PHY/INIT/nr_init_ue.c | 21 +++++++------------ .../NR_UE_TRANSPORT/nr_dlsch_demodulation.c | 20 +++--------------- openair1/PHY/defs_nr_common.h | 2 +- openair1/SIMULATION/NR_PHY/dlsim.c | 14 ++++++------- targets/ARCH/rfsimulator/simulator.c | 8 +++---- .../CONF/gnb.band78.tm1.106PRB.usrpn300.conf | 10 ++++----- 6 files changed, 28 insertions(+), 47 deletions(-) diff --git a/openair1/PHY/INIT/nr_init_ue.c b/openair1/PHY/INIT/nr_init_ue.c index b60e77e814..20211e45b9 100644 --- a/openair1/PHY/INIT/nr_init_ue.c +++ b/openair1/PHY/INIT/nr_init_ue.c @@ -66,9 +66,8 @@ extern uint16_t beta_cqi[16]; void phy_init_nr_ue__PDSCH(NR_UE_PDSCH *const pdsch, const NR_DL_FRAME_PARMS *const fp) { AssertFatal( pdsch, "pdsch==0" ); - pdsch->pmi_ext = (uint8_t *)malloc16_clear( fp->N_RB_DL ); - pdsch->llr[0] = (int16_t *)malloc16_clear( (8*(3*8*6144))*sizeof(int16_t) ); - pdsch->layer_llr[0] = (int16_t *)malloc16_clear( (8*(3*8*6144))*sizeof(int16_t) ); + + //pdsch->layer_llr[0] = (int16_t *)malloc16_clear( (8*(3*8*6144))*sizeof(int16_t) ); pdsch->llr128 = (int16_t **)malloc16_clear( sizeof(int16_t *) ); // FIXME! no further allocation for (int16_t*)pdsch->llr128 !!! expect SIGSEGV // FK, 11-3-2015: this is only as a temporary pointer, no memory is stored there @@ -80,8 +79,6 @@ void phy_init_nr_ue__PDSCH(NR_UE_PDSCH *const pdsch, pdsch->dl_ch_estimates_ext = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) ); pdsch->dl_bf_ch_estimates = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) ); pdsch->dl_bf_ch_estimates_ext = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) ); - //pdsch->dl_ch_rho_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) ); - //pdsch->dl_ch_rho2_ext = (int32_t**)malloc16_clear( 8*sizeof(int32_t*) ); pdsch->dl_ch_mag0 = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) ); pdsch->dl_ch_magb0 = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) ); pdsch->dl_ch_magr0 = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) ); @@ -110,8 +107,6 @@ void phy_init_nr_ue__PDSCH(NR_UE_PDSCH *const pdsch, pdsch->dl_ch_estimates_ext[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num ); pdsch->dl_bf_ch_estimates[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * fp->ofdm_symbol_size*7*2); pdsch->dl_bf_ch_estimates_ext[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num ); - //pdsch->dl_ch_rho_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num ); - //pdsch->dl_ch_rho2_ext[idx] = (int32_t*)malloc16_clear( sizeof(int32_t) * num ); pdsch->dl_ch_mag0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num ); pdsch->dl_ch_magb0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num ); pdsch->dl_ch_magr0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num ); @@ -325,14 +320,14 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue, } for (th_id=0; th_idpdsch_vars[th_id][gNB_id]->llr_shifts = (uint8_t *)malloc16_clear(7*2*fp->N_RB_DL*12); - ue->pdsch_vars[th_id][gNB_id]->llr_shifts_p = ue->pdsch_vars[0][gNB_id]->llr_shifts; - ue->pdsch_vars[th_id][gNB_id]->llr[1] = (int16_t *)malloc16_clear( (8*(3*8*8448))*sizeof(int16_t) ); - ue->pdsch_vars[th_id][gNB_id]->layer_llr[1] = (int16_t *)malloc16_clear( (8*(3*8*8448))*sizeof(int16_t) ); - ue->pdsch_vars[th_id][gNB_id]->llr128_2ndstream = (int16_t **)malloc16_clear( sizeof(int16_t *) ); + for (int i=0; ipdsch_vars[th_id][gNB_id]->llr[i] = (int16_t *)malloc16_clear( (8*(3*8*8448))*sizeof(int16_t) );//Q_m = 8 bits/Sym, Code_Rate=3, Number of Segments =8, Circular Buffer K_cb = 8448 + } + for (int i=0; ipdsch_vars[th_id][gNB_id]->layer_llr[i] = (int16_t *)malloc16_clear( (8*(3*8*8448))*sizeof(int16_t) );//Q_m = 8 bits/Sym, Code_Rate=3, Number of Segments =8, Circular Buffer K_cb = 8448 + } } - for (th_id=0; th_idpdsch_vars[th_id][gNB_id]->dl_ch_rho2_ext = (int32_t **)malloc16_clear( 4*fp->nb_antennas_rx*sizeof(int32_t *) ); } diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c index 37a2849d21..7ec7207778 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c @@ -3009,26 +3009,12 @@ static int nr_dlsch_llr(NR_UE_PDSCH **pdsch_vars, uint8_t nr_slot_rx, uint8_t beamforming_mode) { - - int16_t *pllr_symbol_cw0; - int16_t *pllr_symbol_cw1; - int16_t *pllr_symbol_layer0; - int16_t *pllr_symbol_layer1; uint32_t llr_offset_symbol; - if (first_symbol_flag==1) pdsch_vars[gNB_id]->llr_offset[symbol-1] = 0; + if (first_symbol_flag==1) + pdsch_vars[gNB_id]->llr_offset[symbol-1] = 0; llr_offset_symbol = pdsch_vars[gNB_id]->llr_offset[symbol-1]; - //pllr_symbol_cw0_deint = (int8_t*)pdsch_vars[gNB_id]->llr[0]; - //pllr_symbol_cw1_deint = (int8_t*)pdsch_vars[gNB_id]->llr[1]; - pllr_symbol_layer0 = pdsch_vars[gNB_id]->layer_llr[0]; - pllr_symbol_layer1 = pdsch_vars[gNB_id]->layer_llr[1]; - pllr_symbol_layer0 += llr_offset_symbol; - pllr_symbol_layer1 += llr_offset_symbol; - pllr_symbol_cw0 = pdsch_vars[gNB_id]->llr[0]; - pllr_symbol_cw1 = pdsch_vars[gNB_id]->llr[1]; - pllr_symbol_cw0 += llr_offset_symbol; - pllr_symbol_cw1 += llr_offset_symbol; - + pdsch_vars[gNB_id]->llr_offset[symbol] = len*dlsch0_harq->Qm + llr_offset_symbol; /*LOG_I(PHY,"compute LLRs [symbol %d] NbRB %d Qm %d LLRs-Length %d LLR-Offset %d @LLR Buff %x @LLR Buff(symb) %x\n", diff --git a/openair1/PHY/defs_nr_common.h b/openair1/PHY/defs_nr_common.h index 8e024420af..98f9d33efa 100644 --- a/openair1/PHY/defs_nr_common.h +++ b/openair1/PHY/defs_nr_common.h @@ -93,7 +93,7 @@ #define NR_MAX_CSET_DURATION 3 #define NR_MAX_NB_RBG 18 -#define NR_MAX_NB_LAYERS 2 // 8 // SU-MIMO (3GPP TS 38.211 V15.4.0 section 7.3.1.3) +#define NR_MAX_NB_LAYERS 4 // 8 // SU-MIMO (3GPP TS 38.211 V15.4.0 section 7.3.1.3) #define NR_MAX_NB_CODEWORDS 2 #define NR_MAX_NB_HARQ_PROCESSES 16 #define NR_MAX_PDSCH_ENCODED_LENGTH (NR_MAX_NB_RB*NR_SYMBOLS_PER_SLOT*NR_NB_SC_PER_RB*8*NR_MAX_NB_LAYERS) // 8 is the maximum modulation order (it was 950984 before !!) diff --git a/openair1/SIMULATION/NR_PHY/dlsim.c b/openair1/SIMULATION/NR_PHY/dlsim.c index ee25934f2d..6d2c819656 100644 --- a/openair1/SIMULATION/NR_PHY/dlsim.c +++ b/openair1/SIMULATION/NR_PHY/dlsim.c @@ -528,8 +528,8 @@ int main(int argc, char **argv) case 'x': g_nrOfLayers=atoi(optarg); - if ((g_nrOfLayers!=1) && - (g_nrOfLayers!=2)) { + if ((g_nrOfLayers==0) || + (g_nrOfLayers>4)) { printf("Unsupported nr Of Layers %d\n",g_nrOfLayers); exit(-1); } @@ -1170,10 +1170,10 @@ int main(int argc, char **argv) frame_length_complex_samples, 0); - double H_awgn_mimo[4][4] ={{1.0, 0.5, 0.25, 0.125},//rx 0 - {0.5, 1.0, 0.5, 0.25}, //rx 1 - {0.25, 0.5, 1.0, 0.5}, //rx 2 - {0.125, 0.25, 0.5, 1.0}};//rx 3 + double H_awgn_mimo[4][4] ={{1.0, 0.0, 0.0, 0.0}, //rx 0 + {0.0, 1.0, 0.0, 0.0}, //rx 1 + {0.0, 0.0, 1.0, 0.0}, //rx 2 + {0.0, 0.0, 0.0, 1.0}};//rx 3 for (i=frame_parms->get_samples_slot_timestamp(slot,frame_parms,0); iget_samples_slot_timestamp(slot+1,frame_parms,0); @@ -1228,7 +1228,7 @@ int main(int argc, char **argv) TBS = UE_harq_process->TBS;//rel15->TBSize[0]; uint16_t length_dmrs = get_num_dmrs(rel15->dlDmrsSymbPos); uint16_t nb_rb = rel15->rbSize; - uint8_t nb_re_dmrs = rel15->dmrsConfigType == NFAPI_NR_DMRS_TYPE1 ? 6 : 4; + uint8_t nb_re_dmrs = rel15->dmrsConfigType == NFAPI_NR_DMRS_TYPE1 ? 6*UE_harq_process->n_dmrs_cdm_groups : 4*UE_harq_process->n_dmrs_cdm_groups; uint8_t mod_order = rel15->qamModOrder[0]; uint8_t nb_symb_sch = rel15->NrOfSymbols; diff --git a/targets/ARCH/rfsimulator/simulator.c b/targets/ARCH/rfsimulator/simulator.c index 13945998d7..81233678fd 100644 --- a/targets/ARCH/rfsimulator/simulator.c +++ b/targets/ARCH/rfsimulator/simulator.c @@ -736,10 +736,10 @@ static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimest CirSize ); else { // no channel modeling - double H_awgn_mimo[4][4] ={{1.0, 0.5, 0.25, 0.125},//rx 0 - {0.5, 1.0, 0.5, 0.25}, //rx 1 - {0.25, 0.5, 1.0, 0.5}, //rx 2 - {0.125, 0.25, 0.5, 1.0}};//rx 3 + double H_awgn_mimo[4][4] ={{1.0, 0.0, 0.0, 0.0},//rx 0 + {0.0, 1.0, 0.0, 0.0}, //rx 1 + {0.0, 0.0, 1.0, 0.0}, //rx 2 + {0.0, 0.0, 0.0, 1.0}};//rx 3 sample_t *out=(sample_t *)samplesVoid[a]; int nbAnt_tx = ptr->th.nbAnt;//number of Tx antennas diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf index f93e97ed65..0109bc966b 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf @@ -22,7 +22,7 @@ gNBs = ////////// Physical parameters: ssb_SubcarrierOffset = 0; - pdsch_AntennaPorts = 1; + pdsch_AntennaPorts = 4; pusch_AntennaPorts = 1; servingCellConfigCommon = ( @@ -225,7 +225,7 @@ L1s = ( RUs = ( { local_rf = "yes" - nb_tx = 1 + nb_tx = 4 nb_rx = 1 att_tx = 0 att_rx = 0; @@ -238,11 +238,11 @@ RUs = ( ## beamforming 1x4 matrix: 1 layer x 4 antennas #bf_weights = [0x00007fff, 0x0000,0x0000, 0x0000]; ## beamforming 2x2 matrix: - #bf_weights = [0x00007fff, 0x00000000, 0x00000000, 0x00007fff]; + # bf_weights = [0x00007fff, 0x00000000, 0x00000000, 0x00007fff]; ## beamforming 2x4 matrix: - #bf_weights = [0x00007fff, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000]; + #bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000]; ## beamforming 4x4 matrix: - #bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff]; + bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff]; sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2,second_addr=192.168.20.2"; clock_src = "external"; }