From bba103dc2d1bc092be33fb96d3d57249d66d06bb Mon Sep 17 00:00:00 2001 From: Florian Kaltenberger Date: Tue, 3 Nov 2020 10:49:12 +0100 Subject: [PATCH] some fixes - prachsim working now for FR2 - added testcases --- cmake_targets/autotests/test_case_list.xml | 14 +++++++++----- openair1/PHY/NR_TRANSPORT/nr_prach.c | 7 ++++--- openair1/PHY/NR_UE_TRANSPORT/nr_prach.c | 2 ++ openair1/SIMULATION/NR_PHY/prachsim.c | 16 ++++++++-------- 4 files changed, 23 insertions(+), 16 deletions(-) diff --git a/cmake_targets/autotests/test_case_list.xml b/cmake_targets/autotests/test_case_list.xml index 7e43a9d01c..8ce35c355e 100644 --- a/cmake_targets/autotests/test_case_list.xml +++ b/cmake_targets/autotests/test_case_list.xml @@ -1302,10 +1302,12 @@ execution - nr_prachsim Test cases. (Test1: 106 PRBs - Prach format A2), - (Test2: 217 PRBs - Prach format A2), - (Test3: 273 PRBs - Prach format A2), - (Test4: 106 PRBs - Prach format 0) + nr_prachsim Test cases. (Test1: 30kHz SCS, 106 PRBs, Prach format A2), + (Test2: 30kHz SCS, 217 PRBs, Prach format A2), + (Test3: 30kHz SCS, 273 PRBs, Prach format A2), + (Test4: 30kHz SCS, 106 PRBs, Prach format 0) + (Test5: 120kHz SCS, 32 PRBs, Prach format A2) + (Test5: 120kHz SCS, 66 PRBs, Prach format A2) $OPENAIR_DIR/cmake_targets/build_oai --phy_simulators -c @@ -1315,7 +1317,9 @@ -a -s -30 -n 100 -p 63 -R 106 -a -s -30 -n 100 -p 63 -R 217 -a -s -30 -n 100 -p 63 -R 273 - -a -s -30 -n 100 -p 63 -R 106 -c 4 + -a -s -30 -n 100 -p 63 -R 106 -c 4 + -a -s -30 -n 100 -p 32 -R 32 -m 3 -c52 + -a -s -30 -n 100 -p 32 -R 66 -m 3 -c52 nr_prachsim.test1 nr_prachsim.test2 nr_prachsim.test3 nr_prachsim.test4 PRACH test OK segmentation fault|assertion|exiting|fatal diff --git a/openair1/PHY/NR_TRANSPORT/nr_prach.c b/openair1/PHY/NR_TRANSPORT/nr_prach.c index 3c4a1a41ff..b5a3c061e9 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_prach.c +++ b/openair1/PHY/NR_TRANSPORT/nr_prach.c @@ -185,7 +185,7 @@ void rx_nr_prach_ru(RU_t *ru, for (int aa=0; aanb_rx; aa++){ if (prach_sequence_length == 0) slot2=(slot/fp->slots_per_subframe)*fp->slots_per_subframe; - prach[aa] = (int16_t*)&ru->common.rxdata[aa][(slot2*fp->get_samples_per_slot(slot,fp))+sample_offset_slot-ru->N_TA_offset]; + prach[aa] = (int16_t*)&ru->common.rxdata[aa][fp->get_samples_slot_timestamp(slot2,fp,0)+sample_offset_slot-ru->N_TA_offset]; } idft_size_idx_t dftsize; @@ -512,14 +512,14 @@ void rx_nr_prach_ru(RU_t *ru, if (slot%(fp->slots_per_subframe/2)==0 && prachStartSymbol == 0) prach2+=64; // 32 samples @ 61.44 Ms/s in first symbol of each half subframe dftlen=512; - dftsize = IDFT_512; + dftsize = DFT_512; } else if (fp->N_RB_UL == 66) { prach2 = prach[aa] + (Ncp<<3); // Ncp is for 30.72 Ms/s, so multiply by 4 for I/Q, and 2 for 122.88Msps if (slot%(fp->slots_per_subframe/2)==0 && prachStartSymbol == 0) prach2+=128; // 64 samples @ 122.88 Ms/s in first symbol of each half subframe dftlen=1024; - dftsize = IDFT_1024; + dftsize = DFT_1024; } else { AssertFatal(1==0,"N_RB_UL %d not support for numerology %d\n",fp->N_RB_UL,mu); @@ -551,6 +551,7 @@ void rx_nr_prach_ru(RU_t *ru, AssertFatal(1==0,"Numerology not supported\n"); } + //LOG_M("ru_rxsigF_tmp.m","rxsFtmp", rxsigF[aa], dftlen*2*reps, 1, 1); //Coherent combining of PRACH repetitions (assumes channel does not change, to be revisted for "long" PRACH) LOG_D(PHY,"Doing PRACH combining of %d reptitions N_ZC %d\n",reps,N_ZC); diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c b/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c index 181abca69e..0ae271c2db 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c @@ -105,6 +105,8 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){ sample_offset_slot = (prachStartSymbol==0?0:fp->ofdm_symbol_size*prachStartSymbol+fp->nb_prefix_samples0+fp->nb_prefix_samples*(prachStartSymbol-1)); prach_start = fp->get_samples_slot_timestamp(slot, fp, 0) + sample_offset_slot; + //printf("prachstartsymbold %d, sample_offset_slot %d, prach_start %d\n",prachStartSymbol, sample_offset_slot, prach_start); + // First compute physical root sequence /************************************************************************ * 4G and NR NCS tables are slightly different and depend on prach format diff --git a/openair1/SIMULATION/NR_PHY/prachsim.c b/openair1/SIMULATION/NR_PHY/prachsim.c index 6e75150bd2..e91c0425ae 100644 --- a/openair1/SIMULATION/NR_PHY/prachsim.c +++ b/openair1/SIMULATION/NR_PHY/prachsim.c @@ -374,12 +374,6 @@ int main(int argc, char **argv){ } } - - if (config_index<67 && mu==1) { prach_sequence_length=0; slot = subframe*2; slot_gNB = 1+(subframe*2); } - uint16_t N_ZC = prach_sequence_length == 0 ? 839 : 139; - - printf("Config_index %d, prach_sequence_length %d\n",config_index,prach_sequence_length); - // Configure log logInit(); set_glog(loglvl); @@ -424,7 +418,13 @@ int main(int argc, char **argv){ frame_parms->numerology_index, frame_parms->N_RB_UL*(180e3)*(1 << frame_parms->numerology_index)); - //nsymb = (frame_parms->Ncp == 0) ? 14 : 12; + subframe = slot/frame_parms->slots_per_subframe; + + if (config_index<67 && mu==1) { prach_sequence_length=0; slot = subframe*2; slot_gNB = 1+(subframe*2); } + uint16_t N_ZC = prach_sequence_length == 0 ? 839 : 139; + + printf("Config_index %d, prach_sequence_length %d\n",config_index,prach_sequence_length); + printf("FFT Size %d, Extended Prefix %d, Samples per subframe %d, Frame type %s, Frequency Range %s\n", NUMBER_OF_OFDM_CARRIERS, @@ -767,7 +767,7 @@ int main(int argc, char **argv){ LOG_M("prachF0.m","prachF0", &gNB->prach_vars.prachF[0], N_ZC, 1, 1); LOG_M("rxsig0.m","rxs0", &gNB->common_vars.rxdata[0][subframe*frame_parms->samples_per_subframe], frame_parms->samples_per_subframe, 1, 1); LOG_M("ru_rxsig0.m","rxs0", &ru->common.rxdata[0][subframe*frame_parms->samples_per_subframe], frame_parms->samples_per_subframe, 1, 1); - LOG_M("rxsigF0.m","rxsF0", gNB->prach_vars.rxsigF[0], N_ZC, 1, 1); + LOG_M("ru_rxsigF0.m","rxsF0", ru->prach_rxsigF[0][0], N_ZC, 1, 1); LOG_M("prach_preamble.m","prachp", &gNB->X_u[0], N_ZC, 1, 1); LOG_M("ue_prach_preamble.m","prachp", &UE->X_u[0], N_ZC, 1, 1); #endif