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Merge remote-tracking branch 'origin/oru-rebased' into integration_2026_w05 (!3848)

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Initial implementation of O-RU for 7.2 emulator

Added new executable nr-oru which acts as a 7.2 O-RU.
This commit is contained in:
Jaroslava Fiedlerova
2026-01-27 20:30:12 +01:00
parent 623dc19d22 ee2af75bff
commit c2d3a3d0c2
10 changed files with 478 additions and 30 deletions
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openair1/PHY/INIT/nr_init_ru.c
+11 -8
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@@ -33,20 +33,23 @@ void nr_phy_init_RU(RU_t *ru)
LOG_D(PHY, "Initializing RU signal buffers (if_south %s) nb_tx %d, nb_rx %d\n", ru_if_types[ru->if_south], ru->nb_tx, ru->nb_rx);
nfapi_nr_config_request_scf_t *cfg = &ru->config;
ru->nb_log_antennas = 0;
for (int n = 0; n < ru->num_gNB; n++) {
if (cfg->carrier_config.num_tx_ant.value > ru->nb_log_antennas)
ru->nb_log_antennas = cfg->carrier_config.num_tx_ant.value;
ru->num_beams_period = 1;
if (ru->num_gNB > 0) {
nfapi_nr_config_request_scf_t *cfg = &ru->config;
ru->nb_log_antennas = 0;
for (int n = 0; n < ru->num_gNB; n++) {
if (cfg->carrier_config.num_tx_ant.value > ru->nb_log_antennas)
ru->nb_log_antennas = cfg->carrier_config.num_tx_ant.value;
}
nfapi_nr_analog_beamforming_ve_t *analog_config = &cfg->analog_beamforming_ve;
ru->num_beams_period = analog_config->analog_bf_vendor_ext.value ? analog_config->num_beams_period_vendor_ext.value : 1;
}
else ru->nb_log_antennas = ru->nb_tx;
// copy configuration from gNB[0] in to RU, assume that all gNB instances sharing RU use the same configuration
// (at least the parts that are needed by the RU, numerology and PRACH)
AssertFatal(ru->nb_log_antennas > 0 && ru->nb_log_antennas < 13, "ru->nb_log_antennas %d ! \n",ru->nb_log_antennas);
nfapi_nr_analog_beamforming_ve_t *analog_config = &cfg->analog_beamforming_ve;
ru->num_beams_period = analog_config->analog_bf_vendor_ext.value ? analog_config->num_beams_period_vendor_ext.value : 1;
int nb_tx_streams = ru->nb_tx * ru->num_beams_period;
int nb_rx_streams = ru->nb_rx * ru->num_beams_period;
LOG_I(NR_PHY, "nb_tx_streams %d, nb_rx_streams %d, num_Beams_period %d\n", nb_tx_streams, nb_rx_streams, ru->num_beams_period);