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OpenXG-RAN
Commit d723752c authored by Sakthivel Velumani's avatar Sakthivel Velumani
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Numerology changes made

parent df9c20c9
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Showing with 43 additions and 15 deletions
executables/nr-ue.c
View file @ d723752c
......@@ -603,7 +603,16 @@ void *UE_thread(void *arg) {
openair0_timestamp timestamp;
void *rxp[NB_ANTENNAS_RX], *txp[NB_ANTENNAS_TX];
int start_rx_stream = 0;
const uint16_t table_sf_slot[20] = {0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9};
const uint16_t table_sf_slot[80] = {0,0,0,0,0,0,0,0,
1,1,1,1,1,1,1,1,
2,2,2,2,2,2,2,2,
3,3,3,3,3,3,3,3,
4,4,4,4,4,4,4,4,
5,5,5,5,5,5,5,5,
6,6,6,6,6,6,6,6,
7,7,7,7,7,7,7,7,
8,8,8,8,8,8,8,8,
9,9,9,9,9,9,9,9};
AssertFatal(0== openair0_device_load(&(UE->rfdevice), &openair0_cfg[0]), "");
UE->rfdevice.host_type = RAU_HOST;
AssertFatal(UE->rfdevice.trx_start_func(&UE->rfdevice) == 0, "Could not start the device\n");
......
executables/nr-uesoftmodem.c
View file @ d723752c
......@@ -487,12 +487,12 @@ void set_default_frame_parms(NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]) {
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
/* Set some default values that may be overwritten while reading options */
frame_parms[CC_id] = (NR_DL_FRAME_PARMS *) calloc(sizeof(NR_DL_FRAME_PARMS),1);
frame_parms[CC_id]->eutra_band = 78;
frame_parms[CC_id]->eutra_band = 257;
frame_parms[CC_id]->frame_type = FDD;
frame_parms[CC_id]->tdd_config = 3;
//frame_parms[CC_id]->tdd_config_S = 0;
frame_parms[CC_id]->N_RB_DL = 106;
frame_parms[CC_id]->N_RB_UL = 106;
frame_parms[CC_id]->N_RB_DL = 66;
frame_parms[CC_id]->N_RB_UL = 66;
frame_parms[CC_id]->Ncp = NORMAL;
//frame_parms[CC_id]->Ncp_UL = NORMAL;
frame_parms[CC_id]->Nid_cell = 0;
......@@ -502,7 +502,7 @@ void set_default_frame_parms(NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]) {
frame_parms[CC_id]->nb_antennas_rx = 1;
//frame_parms[CC_id]->nushift = 0;
// NR: Init to legacy LTE 20Mhz params
frame_parms[CC_id]->numerology_index = 0;
frame_parms[CC_id]->numerology_index = 3;
frame_parms[CC_id]->ttis_per_subframe = 1;
frame_parms[CC_id]->slots_per_tti = 2;
}
......@@ -516,7 +516,15 @@ void init_openair0(void) {
openair0_cfg[card].configFilename = NULL;
openair0_cfg[card].threequarter_fs = frame_parms[0]->threequarter_fs;
if(frame_parms[0]->N_RB_DL == 217) {
if(frame_param[0]->N_RB_DL == 66) {
if (numerology==3) {
openair0_cfg[card].sample_rate=122.88e6;
openair0_cfg[card].samples_per_frame = 1228800;
} else {
LOG_E(PHY,"Unsupported numerology! FR2 supports only 120KHz SCS for now.\n");
exit(-1);
}
}else if(frame_parms[0]->N_RB_DL == 217) {
if (numerology==1) {
if (frame_parms[0]->threequarter_fs) {
openair0_cfg[card].sample_rate=92.16e6;
......
openair1/PHY/INIT/nr_init.c
View file @ d723752c
......@@ -386,7 +386,7 @@ void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,
NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
nfapi_nr_config_request_t *gNB_config = &gNB->gNB_config;
//overwrite for new NR parameters
gNB_config->nfapi_config.rf_bands.rf_band[0] = 78;
gNB_config->nfapi_config.rf_bands.rf_band[0] = 257;
gNB_config->nfapi_config.nrarfcn.value = 620000;
gNB_config->subframe_config.numerology_index_mu.value = mu;
gNB_config->subframe_config.duplex_mode.value = TDD;
......@@ -401,8 +401,8 @@ void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,
gNB_config->subframe_config.dl_cyclic_prefix_type.value = (fp->Ncp == NORMAL) ? NFAPI_CP_NORMAL : NFAPI_CP_EXTENDED;
gNB->mac_enabled = 1;
fp->dl_CarrierFreq = 3500000000;//from_nrarfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.nrarfcn.value);
fp->ul_CarrierFreq = 3500000000;//fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
fp->dl_CarrierFreq = 28100000000;//from_nrarfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.nrarfcn.value);
fp->ul_CarrierFreq = 28100000000;//fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
fp->threequarter_fs= 0;
nr_init_frame_parms(gNB_config, fp);
gNB->configured = 1;
......
openair1/PHY/INIT/nr_init_ue.c
View file @ d723752c
......@@ -659,7 +659,7 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
fp->nb_antennas_rx=1;
printf("Initializing UE vars (abstraction %"PRIu8") for eNB TXant %"PRIu8", UE RXant %"PRIu8"\n",abstraction_flag,fp->nb_antennas_tx,fp->nb_antennas_rx);
//LOG_D(PHY,"[MSC_NEW][FRAME 00000][PHY_UE][MOD %02u][]\n", ue->Mod_id+NB_eNB_INST);
nr_init_frame_parms_ue(fp,NR_MU_1,NORMAL,fp->N_RB_DL,n_ssb_crb,k_ssb);
nr_init_frame_parms_ue(fp,NR_MU_3,NORMAL,fp->N_RB_DL,n_ssb_crb,k_ssb);
phy_init_nr_top(ue);
// many memory allocation sizes are hard coded
AssertFatal( fp->nb_antennas_rx <= 2, "hard coded allocation for ue_common_vars->dl_ch_estimates[eNB_id]" );
......
openair1/PHY/INIT/nr_parms.c
View file @ d723752c
......@@ -24,7 +24,7 @@
/// Subcarrier spacings in Hz indexed by numerology index
uint32_t nr_subcarrier_spacing[MAX_NUM_SUBCARRIER_SPACING] = {15e3, 30e3, 60e3, 120e3, 240e3};
uint16_t nr_slots_per_subframe[MAX_NUM_SUBCARRIER_SPACING] = {1, 2, 4, 16, 32};
uint16_t nr_slots_per_subframe[MAX_NUM_SUBCARRIER_SPACING] = {1, 2, 4, 8, 16};
int nr_get_ssb_start_symbol(NR_DL_FRAME_PARMS *fp, uint8_t i_ssb, uint8_t half_frame_index)
......@@ -241,9 +241,16 @@ int nr_init_frame_parms0(NR_DL_FRAME_PARMS *fp,
break;
case NR_MU_3:
fp->subcarrier_spacing = nr_subcarrier_spacing[NR_MU_3];
fp->slots_per_subframe = nr_slots_per_subframe[NR_MU_3];
fp->ssb_type = nr_ssb_type_D;
switch(N_RB_DL){
case 66:
fp->ofdm_symbol_size = 1024;
fp->first_carrier_offset = 628; //1024 - ( (66*12) / 2 )
fp->nb_prefix_samples0 = 88;
fp->nb_prefix_samples = 72;
fp->subcarrier_spacing = nr_subcarrier_spacing[NR_MU_3];
fp->slots_per_subframe = nr_slots_per_subframe[NR_MU_3];
fp->ssb_type = nr_ssb_type_D;
}
break;
case NR_MU_4:
......
openair1/SIMULATION/NR_PHY/dlsim.c
View file @ d723752c
......@@ -164,7 +164,7 @@ int main(int argc, char **argv)
//double pbch_sinr;
//int pbch_tx_ant;
int N_RB_DL=106,mu=1;
int N_RB_DL=66,mu=3;
nfapi_nr_dl_config_dlsch_pdu_rel15_t dlsch_config;
dlsch_config.start_prb = 0;
dlsch_config.n_prb = 50;
......@@ -477,6 +477,10 @@ int main(int argc, char **argv)
fs = 61.44e6;
bw = 40e6;
}
else if (mu == 3 && N_RB_DL == 66) {
fs = 122.88e6;
bw = 100e6;
}
else AssertFatal(1==0,"Unsupported numerology for mu %d, N_RB %d\n",mu, N_RB_DL);
gNB2UE = new_channel_desc_scm(n_tx,
......
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