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UE PHY parameters configured from fapi config req (UE is running, to be verified with gNB)

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This commit is contained in:
Francesco Mani
2020-01-13 10:29:56 +01:00
parent 2c108cf8f4
commit e640af84ca
22 changed files with 203 additions and 154 deletions
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executables/nr-ru.c
+6 -6
View File
@@ -1808,19 +1808,19 @@ int check_capabilities(RU_t *ru,RRU_capabilities_t *cap)
FH_fmt_options_t fmt = cap->FH_fmt;
int i;
int found_band=0;
LOG_I(PHY,"RRU %d, num_bands %d, looking for band %d\n",ru->idx,cap->num_bands,ru->nr_frame_parms->eutra_band);
LOG_I(PHY,"RRU %d, num_bands %d, looking for band %d\n",ru->idx,cap->num_bands,ru->nr_frame_parms->nr_band);
for (i=0; i<cap->num_bands; i++) {
LOG_I(PHY,"band %d on RRU %d\n",cap->band_list[i],ru->idx);
if (ru->nr_frame_parms->eutra_band == cap->band_list[i]) {
if (ru->nr_frame_parms->nr_band == cap->band_list[i]) {
found_band=1;
break;
}
}
if (found_band == 0) {
LOG_I(PHY,"Couldn't find target EUTRA band %d on RRU %d\n",ru->nr_frame_parms->eutra_band,ru->idx);
LOG_I(PHY,"Couldn't find target NR band %d on RRU %d\n",ru->nr_frame_parms->nr_band,ru->idx);
return(-1);
}
@@ -1877,11 +1877,11 @@ void configure_ru(int idx,
ru->nb_tx = capabilities->nb_tx[0];
ru->nb_rx = capabilities->nb_rx[0];
// Pass configuration to RRU
LOG_I(PHY, "Using %s fronthaul (%d), band %d \n",ru_if_formats[ru->if_south],ru->if_south,ru->nr_frame_parms->eutra_band);
LOG_I(PHY, "Using %s fronthaul (%d), band %d \n",ru_if_formats[ru->if_south],ru->if_south,ru->nr_frame_parms->nr_band);
// wait for configuration
config->FH_fmt = ru->if_south;
config->num_bands = 1;
config->band_list[0] = ru->nr_frame_parms->eutra_band;
config->band_list[0] = ru->nr_frame_parms->nr_band;
config->tx_freq[0] = ru->nr_frame_parms->dl_CarrierFreq;
config->rx_freq[0] = ru->nr_frame_parms->ul_CarrierFreq;
//config->tdd_config[0] = ru->nr_frame_parms->tdd_config;
@@ -1905,7 +1905,7 @@ void configure_rru(int idx,
RRU_config_t *config = (RRU_config_t *)arg;
RU_t *ru = RC.ru[idx];
nfapi_nr_config_request_scf_t *gNB_config = &ru->gNB_list[0]->gNB_config;
ru->nr_frame_parms->eutra_band = config->band_list[0];
ru->nr_frame_parms->nr_band = config->band_list[0];
ru->nr_frame_parms->dl_CarrierFreq = config->tx_freq[0];
ru->nr_frame_parms->ul_CarrierFreq = config->rx_freq[0];
executables/nr-softmodem.c
+1 -1
View File
@@ -547,7 +547,7 @@ void set_default_frame_parms(nfapi_nr_config_request_scf_t *config[MAX_NUM_CCs],
frame_parms[CC_id]->Ncp_UL = NORMAL;
frame_parms[CC_id]->Nid_cell = 0;
frame_parms[CC_id]->num_MBSFN_config = 0;
frame_parms[CC_id]->nb_antenna_ports_eNB = 1;
frame_parms[CC_id]->nb_antenna_ports_gNB = 1;
frame_parms[CC_id]->nb_antennas_tx = 1;
frame_parms[CC_id]->nb_antennas_rx = 1;
executables/nr-ue.c
+22 -27
View File
@@ -133,14 +133,12 @@ typedef enum {
} sync_mode_t;
PHY_VARS_NR_UE *init_nr_ue_vars(NR_DL_FRAME_PARMS *frame_parms,
uint8_t UE_id,
uint8_t abstraction_flag)
void init_nr_ue_vars(PHY_VARS_NR_UE *ue,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t UE_id,
uint8_t abstraction_flag)
{
PHY_VARS_NR_UE *ue;
ue = (PHY_VARS_NR_UE *)malloc(sizeof(PHY_VARS_NR_UE));
memset(ue,0,sizeof(PHY_VARS_NR_UE));
memcpy(&(ue->frame_parms), frame_parms, sizeof(NR_DL_FRAME_PARMS));
ue->Mod_id = UE_id;
@@ -150,7 +148,6 @@ PHY_VARS_NR_UE *init_nr_ue_vars(NR_DL_FRAME_PARMS *frame_parms,
init_nr_ue_signal(ue,1,abstraction_flag);
// intialize transport
init_nr_ue_transport(ue,abstraction_flag);
return(ue);
}
/*!
@@ -172,22 +169,20 @@ static void UE_synch(void *arg) {
int freq_offset=0;
UE->is_synchronized = 0;
if (UE->UE_scan == 0) {
get_band(downlink_frequency[CC_id][0], &UE->frame_parms.eutra_band, &uplink_frequency_offset[CC_id][0], &UE->frame_parms.frame_type);
LOG_I( PHY, "[SCHED][UE] Check absolute frequency DL %"PRIu32", UL %"PRIu32" (oai_exit %d, rx_num_channels %d)\n",
downlink_frequency[0][0], downlink_frequency[0][0]+uplink_frequency_offset[0][0],
LOG_I( PHY, "[SCHED][UE] Check absolute frequency DL %"PRIu64", UL %"PRIu64" (oai_exit %d, rx_num_channels %d)\n",
UE->frame_parms.dl_CarrierFreq, UE->frame_parms.ul_CarrierFreq,
oai_exit, openair0_cfg[0].rx_num_channels);
for (i=0; i<openair0_cfg[UE->rf_map.card].rx_num_channels; i++) {
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] = downlink_frequency[CC_id][i];
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] =
downlink_frequency[CC_id][i]+uplink_frequency_offset[CC_id][i];
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] = UE->frame_parms.dl_CarrierFreq;
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] = UE->frame_parms.ul_CarrierFreq;
openair0_cfg[UE->rf_map.card].autocal[UE->rf_map.chain+i] = 1;
if (uplink_frequency_offset[CC_id][i] != 0) //
if (UE->frame_parms.frame_type == FDD)
openair0_cfg[UE->rf_map.card].duplex_mode = duplex_mode_FDD;
else //FDD
else
openair0_cfg[UE->rf_map.card].duplex_mode = duplex_mode_TDD;
}
@@ -246,12 +241,12 @@ static void UE_synch(void *arg) {
if (nr_initial_sync( &syncD->proc, UE, UE->mode,2) == 0) {
freq_offset = UE->common_vars.freq_offset; // frequency offset computed with pss in initial sync
hw_slot_offset = (UE->rx_offset<<1) / UE->frame_parms.samples_per_slot;
LOG_I(PHY,"Got synch: hw_slot_offset %d, carrier off %d Hz, rxgain %d (DL %u, UL %u), UE_scan_carrier %d\n",
LOG_I(PHY,"Got synch: hw_slot_offset %d, carrier off %d Hz, rxgain %d (DL %lu, UL %lu), UE_scan_carrier %d\n",
hw_slot_offset,
freq_offset,
UE->rx_total_gain_dB,
downlink_frequency[0][0]+freq_offset,
downlink_frequency[0][0]+uplink_frequency_offset[0][0]+freq_offset,
UE->frame_parms.dl_CarrierFreq+freq_offset,
UE->frame_parms.ul_CarrierFreq+freq_offset,
UE->UE_scan_carrier );
// rerun with new cell parameters and frequency-offset
@@ -264,8 +259,8 @@ static void UE_synch(void *arg) {
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] -= abs(freq_offset);
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] =
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i]+uplink_frequency_offset[CC_id][i];
downlink_frequency[CC_id][i] = openair0_cfg[CC_id].rx_freq[i];
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i]+(UE->frame_parms.ul_CarrierFreq-UE->frame_parms.dl_CarrierFreq);
UE->frame_parms.dl_CarrierFreq = openair0_cfg[CC_id].rx_freq[i];
}
// reconfigure for potentially different bandwidth
@@ -324,15 +319,15 @@ static void UE_synch(void *arg) {
freq_offset += 100;
freq_offset *= -1;
LOG_I(PHY, "[initial_sync] trying carrier off %d Hz, rxgain %d (DL %u, UL %u)\n",
LOG_I(PHY, "[initial_sync] trying carrier off %d Hz, rxgain %d (DL %lu, UL %lu)\n",
freq_offset,
UE->rx_total_gain_dB,
downlink_frequency[0][0]+freq_offset,
downlink_frequency[0][0]+uplink_frequency_offset[0][0]+freq_offset );
UE->frame_parms.dl_CarrierFreq+freq_offset,
UE->frame_parms.ul_CarrierFreq+freq_offset );
for (i=0; i<openair0_cfg[UE->rf_map.card].rx_num_channels; i++) {
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] = downlink_frequency[CC_id][i]+freq_offset;
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] = downlink_frequency[CC_id][i]+uplink_frequency_offset[CC_id][i]+freq_offset;
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] = UE->frame_parms.dl_CarrierFreq+freq_offset;
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] = UE->frame_parms.ul_CarrierFreq+freq_offset;
openair0_cfg[UE->rf_map.card].rx_gain[UE->rf_map.chain+i] = UE->rx_total_gain_dB;//-USRP_GAIN_OFFSET;
if (UE->UE_scan_carrier==1)
executables/nr-uesoftmodem.c
+21 -16
View File
@@ -489,7 +489,7 @@ 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]->nr_band = 78;
frame_parms[CC_id]->frame_type = FDD;
frame_parms[CC_id]->tdd_config = 3;
//frame_parms[CC_id]->tdd_config_S = 0;
@@ -499,7 +499,7 @@ void set_default_frame_parms(NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]) {
//frame_parms[CC_id]->Ncp_UL = NORMAL;
frame_parms[CC_id]->Nid_cell = 0;
//frame_parms[CC_id]->num_MBSFN_config = 0;
frame_parms[CC_id]->nb_antenna_ports_eNB = 1;
frame_parms[CC_id]->nb_antenna_ports_gNB = 1;
frame_parms[CC_id]->nb_antennas_tx = 1;
frame_parms[CC_id]->nb_antennas_rx = 1;
//frame_parms[CC_id]->nushift = 0;
@@ -601,12 +601,12 @@ void init_openair0(void) {
for (i=0; i<4; i++) {
if (i<openair0_cfg[card].tx_num_channels)
openair0_cfg[card].tx_freq[i] = downlink_frequency[0][i]+uplink_frequency_offset[0][i];
openair0_cfg[card].tx_freq[i] = frame_parms[0]->ul_CarrierFreq;
else
openair0_cfg[card].tx_freq[i]=0.0;
if (i<openair0_cfg[card].rx_num_channels)
openair0_cfg[card].rx_freq[i] = downlink_frequency[0][i];
openair0_cfg[card].rx_freq[i] = frame_parms[0]->dl_CarrierFreq;
else
openair0_cfg[card].rx_freq[i]=0.0;
@@ -702,16 +702,6 @@ int main( int argc, char **argv ) {
#endif
*/
// init the parameters
for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
frame_parms[CC_id]->nb_antennas_tx = nb_antenna_tx;
frame_parms[CC_id]->nb_antennas_rx = nb_antenna_rx;
frame_parms[CC_id]->nb_antenna_ports_eNB = 1; //initial value overwritten by initial sync later
frame_parms[CC_id]->threequarter_fs = threequarter_fs;
LOG_I(PHY,"Set nb_rx_antenna %d , nb_tx_antenna %d \n",frame_parms[CC_id]->nb_antennas_rx, frame_parms[CC_id]->nb_antennas_tx);
get_band(downlink_frequency[CC_id][0], &frame_parms[CC_id]->eutra_band, &uplink_frequency_offset[CC_id][0], &frame_parms[CC_id]->frame_type);
}
NB_UE_INST=1;
NB_INST=1;
PHY_vars_UE_g = malloc(sizeof(PHY_VARS_NR_UE **));
@@ -719,9 +709,24 @@ int main( int argc, char **argv ) {
for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
printf("frame_parms %d\n",frame_parms[CC_id]->ofdm_symbol_size);
nr_init_frame_parms_ue(frame_parms[CC_id],numerology,NORMAL,frame_parms[CC_id]->N_RB_DL,(frame_parms[CC_id]->N_RB_DL-20)>>1,0);
PHY_vars_UE_g[0][CC_id] = init_nr_ue_vars(frame_parms[CC_id], 0,abstraction_flag);
frame_parms[CC_id]->nb_antennas_tx = nb_antenna_tx;
frame_parms[CC_id]->nb_antennas_rx = nb_antenna_rx;
frame_parms[CC_id]->nb_antenna_ports_gNB = 1; //initial value overwritten by initial sync later
frame_parms[CC_id]->threequarter_fs = threequarter_fs;
LOG_I(PHY,"Set nb_rx_antenna %d , nb_tx_antenna %d \n",frame_parms[CC_id]->nb_antennas_rx, frame_parms[CC_id]->nb_antennas_tx);
PHY_vars_UE_g[0][CC_id] = (PHY_VARS_NR_UE *)malloc(sizeof(PHY_VARS_NR_UE));
UE[CC_id] = PHY_vars_UE_g[0][CC_id];
memset(UE[CC_id],0,sizeof(PHY_VARS_NR_UE));
NR_UE_MAC_INST_t *mac = get_mac_inst(0);
if(mac->if_module != NULL && mac->if_module->phy_config_request != NULL)
mac->if_module->phy_config_request(&mac->phy_config);
fapi_nr_config_request_t *nrUE_config = &UE[CC_id]->nrUE_config;
nr_init_frame_parms_ue(frame_parms[CC_id],nrUE_config,NORMAL);
init_nr_ue_vars(UE[CC_id],frame_parms[CC_id],0,abstraction_flag);
UE[CC_id]->mac_enabled = 1;
UE[CC_id]->if_inst = nr_ue_if_module_init(0);
executables/nr-uesoftmodem.h
+1 -1
View File
@@ -103,6 +103,6 @@ extern void init_NR_UE_threads(int);
extern void reset_opp_meas(void);
extern void print_opp_meas(void);
void *UE_thread(void *arg);
PHY_VARS_NR_UE *init_nr_ue_vars(NR_DL_FRAME_PARMS *frame_parms, uint8_t UE_id, uint8_t abstraction_flag);
void init_nr_ue_vars(PHY_VARS_NR_UE *ue, NR_DL_FRAME_PARMS *frame_parms, uint8_t UE_id, uint8_t abstraction_flag);
extern tpool_t *Tpool;
#endif