From 76ef9b4285f8d254709c8a846b8a0986e2146f9b Mon Sep 17 00:00:00 2001 From: cig Date: Fri, 5 Mar 2021 18:59:07 +0100 Subject: [PATCH 1/6] Fixes to NR UE power measurements - pathloss, RSSI, RSRP and Noise measurements have been reviewed and wrong implementation has been fixed - referenceSignalPower type in the FAPI struct has been changed to int has its range include negative values --- .../nfapi/public_inc/fapi_nr_ue_interface.h | 2 +- .../PHY/NR_UE_ESTIMATION/nr_ue_measurements.c | 45 ++++++++++++------- openair1/PHY/defs_nr_UE.h | 1 + openair1/SCHED_NR_UE/phy_procedures_nr_ue.c | 4 +- 4 files changed, 34 insertions(+), 18 deletions(-) diff --git a/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h b/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h index 9df9be4cbd..8c2118cd3d 100644 --- a/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h +++ b/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h @@ -972,7 +972,7 @@ typedef struct typedef struct { - uint32_t ss_pbch_power;//SSB Block Power Value: TBD (-60..50 dBm) + int ss_pbch_power;//SSB Block Power Value: TBD (-60..50 dBm) uint8_t bch_payload;//Defines option selected for generation of BCH payload, see Table 3-13 (v0.0.011 Value: 0: MAC generates the full PBCH payload 1: PHY generates the timing PBCH bits 2: PHY generates the full PBCH payload uint8_t scs_common;//subcarrierSpacing for common, used for initial access and broadcast message. [38.211 sec 4.2] Value:0->3 diff --git a/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c b/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c index 61fc40ad3f..7f40c0f308 100644 --- a/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c +++ b/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c @@ -21,16 +21,17 @@ /*! \file nr_ue_measurements.c * \brief UE measurements routines - * \author R. Knopp, G. Casati + * \author R. Knopp, G. Casati, K. Saaifan * \date 2020 * \version 0.1 * \company Eurecom, Fraunhofer IIS - * \email: knopp@eurecom.fr, guido.casati@iis.fraunhofer.de + * \email: knopp@eurecom.fr, guido.casati@iis.fraunhofer.de, khodr.saaifan@iis.fraunhofer.de * \note * \warning */ #include "executables/softmodem-common.h" +#include "executables/nr-softmodem-common.h" #include "PHY/defs_nr_UE.h" #include "PHY/phy_extern_nr_ue.h" #include "common/utils/LOG/log.h" @@ -45,7 +46,7 @@ //#define DEBUG_MEAS_UE //#define DEBUG_RANK_EST -// Returns the pathloss in dBm for the active UL BWP on the selected carrier based on the DL RS associated with the PRACH transmission +// Returns the pathloss in dB for the active UL BWP on the selected carrier based on the DL RS associated with the PRACH transmission // computation according to clause 7.4 (Physical random access channel) of 3GPP TS 38.213 version 16.3.0 Release 16 // Assumptions: // - PRACH transmission from a UE is not in response to a detection of a PDCCH order by the UE @@ -59,18 +60,17 @@ int16_t get_nr_PL(uint8_t Mod_id, uint8_t CC_id, uint8_t gNB_index){ if (get_softmodem_params()->do_ra){ long referenceSignalPower = ue->nrUE_config.ssb_config.ss_pbch_power; - double rsrp_dBm = 10*log10(ue->measurements.rsrp[gNB_index]) + 30 - ue->rx_total_gain_dB; - pathloss = (int16_t)(10*log10(pow(10, (double)(referenceSignalPower)/10) - pow(10, (double)(rsrp_dBm)/10))); + pathloss = (int16_t)(referenceSignalPower - ue->measurements.rsrp_dBm[gNB_index]); - LOG_D(MAC, "In %s: pathloss %d dBm, UE RX total gain %d dB, referenceSignalPower %ld dBm (%f mW), RSRP %f dBm (%f mW)\n", + LOG_D(MAC, "In %s: pathloss %d dB, UE RX total gain %d dB, referenceSignalPower %ld dBm/RE (%f mW), RSRP %d dBm (%f mW)\n", __FUNCTION__, pathloss, ue->rx_total_gain_dB, referenceSignalPower, pow(10, referenceSignalPower/10), - rsrp_dBm, - pow(10, rsrp_dBm/10)); + ue->measurements.rsrp_dBm[gNB_index], + pow(10, ue->measurements.rsrp_dBm[gNB_index]/10)); } else { @@ -178,9 +178,9 @@ void nr_ue_measurements(PHY_VARS_NR_UE *ue, ue->measurements.rx_power_avg_dB[gNB_id] = dB_fixed( ue->measurements.rx_power_avg[gNB_id]); ue->measurements.wideband_cqi_tot[gNB_id] = dB_fixed2(ue->measurements.rx_power_tot[gNB_id], ue->measurements.n0_power_tot); ue->measurements.wideband_cqi_avg[gNB_id] = dB_fixed2(ue->measurements.rx_power_avg[gNB_id], ue->measurements.n0_power_avg); - ue->measurements.rx_rssi_dBm[gNB_id] = ue->measurements.rx_power_avg_dB[gNB_id] - ue->rx_total_gain_dB; + ue->measurements.rx_rssi_dBm[gNB_id] = ue->measurements.rx_power_avg_dB[gNB_id] + 30 - 10*log10(pow(2, 30)) - ((int)openair0_cfg[0].rx_gain[0] - (int)openair0_cfg[0].rx_gain_offset[0]) - dB_fixed(ue->frame_parms.ofdm_symbol_size); - LOG_D(PHY, "[gNB %d] Slot %d, RSSI %d dBm, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d\n", + LOG_I(PHY, "[gNB %d] Slot %d, RSSI %d dBm/RE, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d \n", gNB_id, slot, ue->measurements.rx_rssi_dBm[gNB_id], @@ -258,27 +258,37 @@ void nr_ue_rsrp_measurements(PHY_VARS_NR_UE *ue, ue->measurements.rsrp_filtered[gNB_id] = ue->measurements.rsrp[gNB_id]; - LOG_D(PHY, "In %s: [UE %d] slot %d SS-RSRP: %3.1f dBm/RE (%d W)\n", + ue->measurements.rsrp_dBm[gNB_id] = 10*log10(ue->measurements.rsrp[gNB_id]) + 30 - 10*log10(pow(2,30)) - ((int)openair0_cfg[0].rx_gain[0] - (int)openair0_cfg[0].rx_gain_offset[0]) - dB_fixed(ue->frame_parms.ofdm_symbol_size); + + LOG_D(PHY, "In %s: [UE %d] slot %d SS-RSRP: %d dBm/RE (%d)\n", __FUNCTION__, ue->Mod_id, slot, - 10*log10(ue->measurements.rsrp[gNB_id]) + 30 - ue->rx_total_gain_dB, + ue->measurements.rsrp_dBm[gNB_id], ue->measurements.rsrp[gNB_id]); } +// This function computes the received noise power +// Measurement units: +// - psd_awgm (AWGN power spectral density): dBm/Hz void nr_ue_rrc_measurements(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t slot){ uint8_t k; int aarx, nb_nulls; + int psd_awgm = -174; int16_t *rxF_sss; uint8_t k_left = 48; uint8_t k_right = 183; uint8_t k_length = 8; uint8_t l_sss = ue->symbol_offset + 2; + int scs = 15000 * pow(2, (ue->frame_parms.numerology_index)); unsigned int ssb_offset = ue->frame_parms.first_carrier_offset + ue->frame_parms.ssb_start_subcarrier; + double rx_gain = openair0_cfg[0].rx_gain[0]; + double rx_gain_offset = openair0_cfg[0].rx_gain_offset[0]; + ue->measurements.n0_power_tot = 0; LOG_D(PHY, "In %s doing measurements for ssb_offset %d l_sss %d \n", __FUNCTION__, ssb_offset, l_sss); @@ -322,10 +332,15 @@ void nr_ue_rrc_measurements(PHY_VARS_NR_UE *ue, ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/aarx); #ifdef DEBUG_MEAS_RRC - int nf_usrp = ue->measurements.n0_power_tot_dB + 30 - ((int)openair0_cfg[0].rx_gain[0] - (int)openair0_cfg[0].rx_gain_offset[0]) - 90 - (-174 + dB_fixed(30000/*scs*/) + dB_fixed(ue->frame_parms.ofdm_symbol_size)); - LOG_D(PHY, "In %s slot %d NF USRP %d dBm\n", __FUNCTION__, nf_usrp); + int nf_usrp = ue->measurements.n0_power_tot_dB + 3 + 30 - ((int)rx_gain - (int)rx_gain_offset) - 10 * log10(pow(2, 30)) - (psd_awgm + dB_fixed(scs) + dB_fixed(ue->frame_parms.ofdm_symbol_size)); + LOG_D(PHY, "In [%s][slot:%d] NF USRP %d dB\n", __FUNCTION__, slot, nf_usrp); #endif - LOG_D(PHY, "In %s slot %d Noise Level %d ue->measurements.n0_power_tot_dB %d \n", __FUNCTION__, slot, ue->measurements.n0_power_tot, ue->measurements.n0_power_tot_dB); + LOG_D(PHY, "In [%s][slot:%d] Noise Level %d (digital level %d dB, noise power spectral density %f dBm/RE)\n", + __FUNCTION__, + slot, + ue->measurements.n0_power_tot, + ue->measurements.n0_power_tot_dB, + ue->measurements.n0_power_tot_dB + 30 - 10*log10(pow(2, 30)) - dB_fixed(ue->frame_parms.ofdm_symbol_size) - ((int)rx_gain - (int)rx_gain_offset)); } diff --git a/openair1/PHY/defs_nr_UE.h b/openair1/PHY/defs_nr_UE.h index 390574a66b..8da85d2ba6 100644 --- a/openair1/PHY/defs_nr_UE.h +++ b/openair1/PHY/defs_nr_UE.h @@ -142,6 +142,7 @@ typedef struct { uint32_t rsrp[7]; float rsrp_filtered[7]; // after layer 3 filtering float rsrq_filtered[7]; + short rsrp_dBm[7]; // common measurements //! estimated noise power (linear) unsigned int n0_power[NB_ANTENNAS_RX]; diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c index f516ad8639..7e304bd4ec 100644 --- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c +++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c @@ -2164,10 +2164,10 @@ void nr_ue_prach_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t if (ue->mac_enabled == 1) { int16_t pathloss = get_nr_PL(mod_id, ue->CC_id, gNB_id); - int16_t ra_preamble_rx_power = (int16_t)(10*log10(pow(10, (double)(prach_resources->ra_PREAMBLE_RECEIVED_TARGET_POWER)/10) + pow(10, (double)(pathloss)/10))); + int16_t ra_preamble_rx_power = (int16_t)(prach_resources->ra_PREAMBLE_RECEIVED_TARGET_POWER - pathloss + 30); ue->tx_power_dBm[nr_slot_tx] = min(nr_get_Pcmax(mod_id), ra_preamble_rx_power); - LOG_I(PHY,"[UE %d][RAPROC][%d.%d]: Generating PRACH Msg1 (preamble %d, PL %d, P0_PRACH %d, TARGET_RECEIVED_POWER %d dBm, RA-RNTI %x)\n", + LOG_I(PHY,"DEBUG [UE %d][RAPROC][%d.%d]: Generating PRACH Msg1 (preamble %d, PL %d dB, P0_PRACH %d, TARGET_RECEIVED_POWER %d dBm, RA-RNTI %x)\n", mod_id, frame_tx, nr_slot_tx, From 5d8d478ffb40b8b6dc3759a7191897072b070306 Mon Sep 17 00:00:00 2001 From: cig Date: Fri, 5 Mar 2021 19:07:38 +0100 Subject: [PATCH 2/6] NR gNB UL power measurements - new function has been introduced for the computation of UL SNR - minor bugfix to noise power computation - FAPI data type for referenceSignalPower has been updated to reflect the range of values for the SSB power --- .../nfapi/public_inc/nfapi_nr_interface_scf.h | 2 +- .../PHY/NR_ESTIMATION/nr_measurements_gNB.c | 91 +++++++++++++++++-- .../PHY/NR_TRANSPORT/nr_ulsch_demodulation.c | 2 + 3 files changed, 85 insertions(+), 10 deletions(-) diff --git a/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h b/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h index 12748b7a9e..d65b3971e9 100644 --- a/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h +++ b/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h @@ -373,7 +373,7 @@ typedef struct //table 3-23 typedef struct { - nfapi_uint32_tlv_t ss_pbch_power;//SSB Block Power Value: TBD (-60..50 dBm) + nfapi_int32_tlv_t ss_pbch_power;//SSB Block Power Value: TBD (-60..50 dBm) nfapi_uint8_tlv_t bch_payload;//Defines option selected for generation of BCH payload, see Table 3-13 (v0.0.011 Value: 0: MAC generates the full PBCH payload 1: PHY generates the timing PBCH bits 2: PHY generates the full PBCH payload nfapi_uint8_tlv_t scs_common;//subcarrierSpacing for common, used for initial access and broadcast message. [38.211 sec 4.2] Value:0->3 diff --git a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c index ec55eabf31..ef7ed9d631 100644 --- a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c +++ b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c @@ -20,12 +20,12 @@ */ /*! \file PHY/NR_ESTIMATION/nr_measurements_gNB.c -* \brief TA estimation for TA updates -* \author Ahmed Hussein +* \brief gNB measurement routines +* \author Ahmed Hussein, G. Casati, K. Saaifan * \date 2019 * \version 0.1 * \company Fraunhofer IIS -* \email: ahmed.hussein@iis.fraunhofer.de +* \email: ahmed.hussein@iis.fraunhofer.de, guido.casati@iis.fraunhofer.de, khodr.saaifan@iis.fraunhofer.de * \note * \warning */ @@ -75,14 +75,18 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB) { NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms; NR_gNB_COMMON *common_vars = &gNB->common_vars; PHY_MEASUREMENTS_gNB *measurements = &gNB->measurements; + NR_DL_FRAME_PARMS *fp = &gNB->frame_parms; + openair0_config_t *cfg = &gNB->RU_list[0]->openair0_cfg; + double rx_gain = cfg->rx_gain[0]; + double rx_gain_offset = cfg->rx_gain_offset[0]; uint32_t *rb_mask = gNB->rb_mask_ul; int symbol = gNB->ulmask_symb; int rb, offset, nb_rb; - uint32_t n0_power_tot, n0_subband_power_temp=0; + uint32_t n0_subband_power_temp = 0; int32_t *ul_ch; if (symbol>-1) { - n0_power_tot = 0; + measurements->n0_power_tot = 0; for (int aarx=0; aarxnb_antennas_rx; aarx++) { nb_rb = 0; for (rb=0; rbN_RB_UL; rb++) { @@ -95,11 +99,80 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB) { n0_subband_power_temp += signal_energy_nodc(ul_ch,12); } } - measurements->n0_power[aarx] = n0_subband_power_temp/nb_rb; - measurements->n0_power_dB[aarx] = dB_fixed(measurements->n0_power[aarx]); - n0_power_tot += measurements->n0_power[aarx]; + + if (nb_rb != 0) { + measurements->n0_power[aarx] = n0_subband_power_temp/nb_rb; + measurements->n0_power_dB[aarx] = dB_fixed(measurements->n0_power[aarx]); + measurements->n0_power_tot += measurements->n0_power[aarx]; + } + } - measurements->n0_power_tot_dB = dB_fixed(n0_power_tot); + + measurements->n0_power_tot_dB = dB_fixed(measurements->n0_power_tot); + measurements->n0_power_tot_dBm = measurements->n0_power_tot_dB + 30 - 10 * log10(pow(2, 30)) - (rx_gain - rx_gain_offset) - dB_fixed(fp->ofdm_symbol_size); + + LOG_D(PHY, "In %s: tot n0 power %d dBm for %d RBs (tot N0 power = %d)\n", __FUNCTION__, measurements->n0_power_tot_dBm, nb_rb, measurements->n0_power_tot); + } } +// Scope: This function computes the UL SNR from the UL channel estimates +// +// Todo: +// - averaging IIR filter for RX power and noise +void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq_pid, unsigned char symbol){ + + int rx_power_tot[NUMBER_OF_NR_ULSCH_MAX]; + int rx_power[NUMBER_OF_NR_ULSCH_MAX][NB_ANTENNAS_RX]; + int wideband_cqi_avg[NUMBER_OF_NR_ULSCH_MAX]; + unsigned short rx_power_avg_dB[NUMBER_OF_NR_ULSCH_MAX]; + unsigned short rx_power_dB[NUMBER_OF_NR_ULSCH_MAX][NB_ANTENNAS_RX]; + unsigned short rx_power_tot_dB[NUMBER_OF_NR_ULSCH_MAX]; + + openair0_config_t * cfg = &gNB->RU_list[0]->openair0_cfg; + double rx_gain = cfg->rx_gain[0]; + double rx_gain_offset = cfg->rx_gain_offset[0]; + PHY_MEASUREMENTS_gNB *meas = &gNB->measurements; + NR_DL_FRAME_PARMS *fp = &gNB->frame_parms; + int ch_offset = fp->ofdm_symbol_size * symbol; + int N_RB_UL = gNB->ulsch[ulsch_id][0]->harq_processes[harq_pid]->ulsch_pdu.rb_size; + + rx_power_tot[ulsch_id] = 0; + + for (int aarx = 0; aarx < fp->nb_antennas_rx; aarx++){ + + rx_power[ulsch_id][aarx] = 0; + + for (int aatx = 0; aatx < fp->nb_antennas_tx; aatx++){ + + meas->rx_spatial_power[ulsch_id][aatx][aarx] = (signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][ch_offset], N_RB_UL * NR_NB_SC_PER_RB)); + + if (meas->rx_spatial_power[ulsch_id][aatx][aarx] < 0) { + meas->rx_spatial_power[ulsch_id][aatx][aarx] = 0; + } + + meas->rx_spatial_power_dB[ulsch_id][aatx][aarx] = (unsigned short) dB_fixed(meas->rx_spatial_power[ulsch_id][aatx][aarx]); + rx_power[ulsch_id][aarx] += meas->rx_spatial_power[ulsch_id][aatx][aarx]; + + } + + rx_power_dB[ulsch_id][aarx] = (unsigned short) dB_fixed(rx_power[ulsch_id][aarx]); + rx_power_tot[ulsch_id] += rx_power[ulsch_id][aarx]; + + } + + rx_power_tot_dB[ulsch_id] = (unsigned short) dB_fixed(rx_power_tot[ulsch_id]); + rx_power_avg_dB[ulsch_id] = rx_power_tot_dB[ulsch_id]; + + meas->wideband_cqi_tot[ulsch_id] = dB_fixed2(rx_power_tot[ulsch_id], meas->n0_power_tot); + meas->rx_rssi_dBm[ulsch_id] = rx_power_avg_dB[ulsch_id] + 30 - 10 * log10(pow(2, 30)) - (rx_gain - rx_gain_offset) - dB_fixed(fp->ofdm_symbol_size); + + LOG_D(PHY, "[ULSCH %d] RSSI %d dBm/RE, RSSI (digital) %d dB (N_RB_UL %d), WBand CQI tot %d dB, N0 Power tot %d\n", + ulsch_id, + meas->rx_rssi_dBm[ulsch_id], + rx_power_avg_dB[ulsch_id], + N_RB_UL, + meas->wideband_cqi_tot[ulsch_id], + meas->n0_power_tot); + +} \ No newline at end of file diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c index 7e6becb4a8..822a92b747 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c @@ -1136,6 +1136,8 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB, bwp_start_subcarrier, rel15_ul); + nr_gnb_measurements(gNB, ulsch_id, harq_pid, symbol); + for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) { gNB->pusch_vars[ulsch_id]->ulsch_power[aarx] = signal_energy_nodc(&gNB->pusch_vars[ulsch_id]->ul_ch_estimates[aarx][symbol*frame_parms->ofdm_symbol_size], rel15_ul->rb_size*12); From 77c1ccdf56c44c20401f428f2bf9ca1ebd08d592 Mon Sep 17 00:00:00 2001 From: cig Date: Fri, 5 Mar 2021 19:17:18 +0100 Subject: [PATCH 3/6] Update ssPBCH_BlockPower value in the conf file to match actual outpur power - currently, -25 dBm/RE is the maximum measured power from USRP corresponding to att_tx = 0 dB, therefore ssPBCH_BlockPower has been updated accordingly - this param is used at UE side for the pathloss computation, which now seems to match measurements observed during lab testing --- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf index d38fff4241..3f83db11ac 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf @@ -187,7 +187,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; // -25 dBm/RE is the maximum measured power from USRP corresponding to att_tx = 0 dB } ); From 367241ef470938634dc4b9a2ec256038274cae5e Mon Sep 17 00:00:00 2001 From: Thomas Schlichter Date: Wed, 10 Mar 2021 11:34:00 +0100 Subject: [PATCH 4/6] fix compile warnings --- openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c | 5 +---- openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h | 3 ++- openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c | 8 ++++---- 3 files changed, 7 insertions(+), 9 deletions(-) diff --git a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c index ef7ed9d631..4a5287b988 100644 --- a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c +++ b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c @@ -124,9 +124,7 @@ void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq int rx_power_tot[NUMBER_OF_NR_ULSCH_MAX]; int rx_power[NUMBER_OF_NR_ULSCH_MAX][NB_ANTENNAS_RX]; - int wideband_cqi_avg[NUMBER_OF_NR_ULSCH_MAX]; unsigned short rx_power_avg_dB[NUMBER_OF_NR_ULSCH_MAX]; - unsigned short rx_power_dB[NUMBER_OF_NR_ULSCH_MAX][NB_ANTENNAS_RX]; unsigned short rx_power_tot_dB[NUMBER_OF_NR_ULSCH_MAX]; openair0_config_t * cfg = &gNB->RU_list[0]->openair0_cfg; @@ -156,7 +154,6 @@ void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq } - rx_power_dB[ulsch_id][aarx] = (unsigned short) dB_fixed(rx_power[ulsch_id][aarx]); rx_power_tot[ulsch_id] += rx_power[ulsch_id][aarx]; } @@ -175,4 +172,4 @@ void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq meas->wideband_cqi_tot[ulsch_id], meas->n0_power_tot); -} \ No newline at end of file +} diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h index a463e21839..7bd004a4d4 100644 --- a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h +++ b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h @@ -49,8 +49,9 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, void gNB_I0_measurements(PHY_VARS_gNB *gNB); -int nr_est_timing_advance_pusch(PHY_VARS_gNB* phy_vars_gNB, int UE_id); +void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq_pid, unsigned char symbol); +int nr_est_timing_advance_pusch(PHY_VARS_gNB* phy_vars_gNB, int UE_id); void nr_pusch_ptrs_processing(PHY_VARS_gNB *gNB, NR_DL_FRAME_PARMS *frame_parms, diff --git a/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c b/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c index 7f40c0f308..3f52b29281 100644 --- a/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c +++ b/openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c @@ -271,20 +271,18 @@ void nr_ue_rsrp_measurements(PHY_VARS_NR_UE *ue, // This function computes the received noise power // Measurement units: -// - psd_awgm (AWGN power spectral density): dBm/Hz +// - psd_awgn (AWGN power spectral density): dBm/Hz void nr_ue_rrc_measurements(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t slot){ uint8_t k; int aarx, nb_nulls; - int psd_awgm = -174; int16_t *rxF_sss; uint8_t k_left = 48; uint8_t k_right = 183; uint8_t k_length = 8; uint8_t l_sss = ue->symbol_offset + 2; - int scs = 15000 * pow(2, (ue->frame_parms.numerology_index)); unsigned int ssb_offset = ue->frame_parms.first_carrier_offset + ue->frame_parms.ssb_start_subcarrier; double rx_gain = openair0_cfg[0].rx_gain[0]; double rx_gain_offset = openair0_cfg[0].rx_gain_offset[0]; @@ -332,7 +330,9 @@ void nr_ue_rrc_measurements(PHY_VARS_NR_UE *ue, ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/aarx); #ifdef DEBUG_MEAS_RRC - int nf_usrp = ue->measurements.n0_power_tot_dB + 3 + 30 - ((int)rx_gain - (int)rx_gain_offset) - 10 * log10(pow(2, 30)) - (psd_awgm + dB_fixed(scs) + dB_fixed(ue->frame_parms.ofdm_symbol_size)); + const int psd_awgn = -174; + const int scs = 15000 * (1 << ue->frame_parms.numerology_index); + const int nf_usrp = ue->measurements.n0_power_tot_dB + 3 + 30 - ((int)rx_gain - (int)rx_gain_offset) - 10 * log10(pow(2, 30)) - (psd_awgn + dB_fixed(scs) + dB_fixed(ue->frame_parms.ofdm_symbol_size)); LOG_D(PHY, "In [%s][slot:%d] NF USRP %d dB\n", __FUNCTION__, slot, nf_usrp); #endif From f0328304656250464b1b04856938893e365a244e Mon Sep 17 00:00:00 2001 From: Thomas Schlichter Date: Wed, 10 Mar 2021 13:15:03 +0100 Subject: [PATCH 5/6] gNB: don't use gNB->RU_list in nr_measurements_gNB.c this list is not initialized in phy-simulators --- openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c index 4a5287b988..7f5fa57bf2 100644 --- a/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c +++ b/openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c @@ -35,6 +35,8 @@ #include "PHY/phy_extern.h" #include "nr_ul_estimation.h" +extern openair0_config_t openair0_cfg[MAX_CARDS]; + int nr_est_timing_advance_pusch(PHY_VARS_gNB* gNB, int UE_id) { int temp, i, aa, max_pos = 0, max_val = 0; @@ -76,9 +78,8 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB) { NR_gNB_COMMON *common_vars = &gNB->common_vars; PHY_MEASUREMENTS_gNB *measurements = &gNB->measurements; NR_DL_FRAME_PARMS *fp = &gNB->frame_parms; - openair0_config_t *cfg = &gNB->RU_list[0]->openair0_cfg; - double rx_gain = cfg->rx_gain[0]; - double rx_gain_offset = cfg->rx_gain_offset[0]; + double rx_gain = openair0_cfg[0].rx_gain[0]; + double rx_gain_offset = openair0_cfg[0].rx_gain_offset[0]; uint32_t *rb_mask = gNB->rb_mask_ul; int symbol = gNB->ulmask_symb; int rb, offset, nb_rb; @@ -127,9 +128,8 @@ void nr_gnb_measurements(PHY_VARS_gNB *gNB, uint8_t ulsch_id, unsigned char harq unsigned short rx_power_avg_dB[NUMBER_OF_NR_ULSCH_MAX]; unsigned short rx_power_tot_dB[NUMBER_OF_NR_ULSCH_MAX]; - openair0_config_t * cfg = &gNB->RU_list[0]->openair0_cfg; - double rx_gain = cfg->rx_gain[0]; - double rx_gain_offset = cfg->rx_gain_offset[0]; + double rx_gain = openair0_cfg[0].rx_gain[0]; + double rx_gain_offset = openair0_cfg[0].rx_gain_offset[0]; PHY_MEASUREMENTS_gNB *meas = &gNB->measurements; NR_DL_FRAME_PARMS *fp = &gNB->frame_parms; int ch_offset = fp->ofdm_symbol_size * symbol; From f9410f7a69b3cca8e8a51e3821fceb81a7a94325 Mon Sep 17 00:00:00 2001 From: Thomas Schlichter Date: Thu, 25 Mar 2021 09:20:08 +0100 Subject: [PATCH 6/6] gNB: update ssPBCH_BlockPower to -25 dBm/RE in all USRP conf files --- ci-scripts/conf_files/gnb.band66.tm1.106PRB.usrpn300.conf | 2 +- ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band257.tm1.66PRB.usrpn300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpn300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpx300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.106PRB.30kHz,usrpb2x0.conf | 2 +- .../CONF/gnb.band78.tm1.106PRB.PTRS.usrpx300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpn300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpx300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpb210.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpn300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpx300.conf | 2 +- .../GENERIC-LTE-EPC/CONF/gnb.band78.tm1.273PRB.usrpn300.conf | 2 +- 18 files changed, 18 insertions(+), 18 deletions(-) diff --git a/ci-scripts/conf_files/gnb.band66.tm1.106PRB.usrpn300.conf b/ci-scripts/conf_files/gnb.band66.tm1.106PRB.usrpn300.conf index 32de0aa4f5..fc32d65a23 100644 --- a/ci-scripts/conf_files/gnb.band66.tm1.106PRB.usrpn300.conf +++ b/ci-scripts/conf_files/gnb.band66.tm1.106PRB.usrpn300.conf @@ -185,7 +185,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf b/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf index decaa392d7..b0dd920e17 100644 --- a/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf +++ b/ci-scripts/conf_files/gnb.band78.tm1.106PRB.usrpn300.conf @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf index f2e468c71b..24d326fd59 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf @@ -185,7 +185,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.66PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.66PRB.usrpn300.conf index 2737357851..44e0737955 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.66PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.66PRB.usrpn300.conf @@ -176,7 +176,7 @@ gNBs = nrofUplinkSlots = 10; nrofUplinkSymbols = 0; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf index f810dd546c..60cea228e6 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf @@ -187,7 +187,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpn300.conf index 32de0aa4f5..fc32d65a23 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpn300.conf @@ -185,7 +185,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpx300.conf index 307cf52cb3..12a794015a 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpx300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band66.tm1.106PRB.usrpx300.conf @@ -185,7 +185,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.106PRB.30kHz,usrpb2x0.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.106PRB.30kHz,usrpb2x0.conf index 1cd16d0831..bfefc46f72 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.106PRB.30kHz,usrpb2x0.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.106PRB.30kHz,usrpb2x0.conf @@ -176,7 +176,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.PTRS.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.PTRS.usrpx300.conf index deed91c93c..4dc73fa20a 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.PTRS.usrpx300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.PTRS.usrpx300.conf @@ -185,7 +185,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf index 862f0e6303..7560d980bc 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf @@ -176,7 +176,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); 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 c77497dedd..ac49cd8b87 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 @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf index 37c326e0b3..b112a58f1f 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = -25; // -25 dBm/RE is the maximum measured power from USRP corresponding to att_tx = 0 dB + ssPBCH_BlockPower = -25; // -25 dBm/RE is the maximum measured power from USRP corresponding to att_tx = 0 dB } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpn300.conf index 40361aaf4e..af034c663e 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpn300.conf @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpx300.conf index c907dcfe8d..0bef515a3e 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpx300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.217PRB.usrpx300.conf @@ -181,7 +181,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpb210.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpb210.conf index 9f69849ace..5d0d3eb8da 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpb210.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpb210.conf @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpn300.conf index 56f07668d7..a836b1c6ce 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpn300.conf @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpx300.conf index 687a188456..e796471b50 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpx300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.24PRB.usrpx300.conf @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.273PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.273PRB.usrpn300.conf index a899845cb8..f95cfee67a 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.273PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.273PRB.usrpn300.conf @@ -186,7 +186,7 @@ gNBs = nrofUplinkSlots = 2; nrofUplinkSymbols = 4; - ssPBCH_BlockPower = 10; + ssPBCH_BlockPower = -25; } );