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Implemented CQI measurement at NR UE

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- fixes for nr_ue_measurement function
- Introduced nr_rrc_measurement function
- removed unused params
- replaced hardcoded params
- code cleanup

temp
This commit is contained in:
cig
2020-12-09 09:35:40 +01:00
committed by Thomas Schlichter
parent 5d16593b6b
commit 3986d5764d
3 changed files with 140 additions and 104 deletions
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openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
+1 -5
View File
@@ -86,11 +86,7 @@ void nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
void nr_ue_measurements(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
unsigned int subframe_offset,
unsigned char N0_symbol,
unsigned char abstraction_flag,
unsigned char rank_adaptation,
uint8_t subframe);
uint8_t slot);
void nr_ue_rsrp_measurements(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
openair1/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c
+121 -66
View File
@@ -19,6 +19,18 @@
* contact@openairinterface.org
*/
/*! \file nr_ue_measurements.c
* \brief UE measurements routines
* \author R. Knopp, G. Casati
* \date 2020
* \version 0.1
* \company Eurecom, Fraunhofer IIS
* \email: knopp@eurecom.fr, guido.casati@iis.fraunhofer.de
* \note
* \warning
*/
#include "nr-softmodem-common.h"
#include "PHY/defs_nr_UE.h"
#include "PHY/phy_extern_nr_ue.h"
#include "common/utils/LOG/log.h"
@@ -82,98 +94,84 @@ float_t get_nr_RSRP(module_id_t Mod_id,uint8_t CC_id,uint8_t gNB_index)
return -140.0;
}
void nr_ue_measurements(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
unsigned int subframe_offset,
unsigned char N0_symbol,
unsigned char abstraction_flag,
unsigned char rank_adaptation,
uint8_t subframe)
uint8_t slot)
{
int aarx, aatx, eNB_id = 0;
int aarx, aatx, gNB_id = 0;
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
int ch_offset, rank_tm3_tm4 = 0;
int ch_offset = frame_parms->ofdm_symbol_size*2;
NR_UE_DLSCH_t *dlsch = ue->dlsch[proc->thread_id][gNB_id][0];
uint8_t harq_pid = dlsch->current_harq_pid;
int N_RB_DL = dlsch->harq_processes[harq_pid]->nb_rb;
ue->measurements.nb_antennas_rx = frame_parms->nb_antennas_rx;
/*int16_t *dl_ch;
dl_ch = (int16_t *)&ue->pdsch_vars[proc->thread_id][0]->dl_ch_estimates[eNB_id][ch_offset];*/
ch_offset = ue->frame_parms.ofdm_symbol_size*2;
// signal measurements
for (eNB_id=0; eNB_id<ue->n_connected_eNB; eNB_id++) {
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
for (aatx=0; aatx<frame_parms->nb_antenna_ports_gNB; aatx++) {
ue->measurements.rx_spatial_power[eNB_id][aatx][aarx] =
(signal_energy_nodc(&ue->pdsch_vars[proc->thread_id][0]->dl_ch_estimates[eNB_id][ch_offset],
(50*12)));
for (gNB_id = 0; gNB_id < ue->n_connected_eNB; gNB_id++){
if (ue->measurements.rx_spatial_power[eNB_id][aatx][aarx]<0)
ue->measurements.rx_spatial_power[eNB_id][aatx][aarx] = 0;
ue->measurements.rx_power_tot[gNB_id] = 0;
ue->measurements.rx_spatial_power_dB[eNB_id][aatx][aarx] = (unsigned short) dB_fixed(ue->measurements.rx_spatial_power[eNB_id][aatx][aarx]);
for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++){
if (aatx==0)
ue->measurements.rx_power[eNB_id][aarx] = ue->measurements.rx_spatial_power[eNB_id][aatx][aarx];
else
ue->measurements.rx_power[eNB_id][aarx] += ue->measurements.rx_spatial_power[eNB_id][aatx][aarx];
} //aatx
ue->measurements.rx_power[gNB_id][aarx] = 0;
ue->measurements.rx_power_dB[eNB_id][aarx] = (unsigned short) dB_fixed(ue->measurements.rx_power[eNB_id][aarx]);
for (aatx = 0; aatx < frame_parms->nb_antenna_ports_gNB; aatx++){
if (aarx==0)
ue->measurements.rx_power_tot[eNB_id] = ue->measurements.rx_power[eNB_id][aarx];
else
ue->measurements.rx_power_tot[eNB_id] += ue->measurements.rx_power[eNB_id][aarx];
} //aarx
ue->measurements.rx_spatial_power[gNB_id][aatx][aarx] = (signal_energy_nodc(&ue->pdsch_vars[proc->thread_id][0]->dl_ch_estimates[gNB_id][ch_offset], N_RB_DL*NR_NB_SC_PER_RB));
ue->measurements.rx_power_tot_dB[eNB_id] = (unsigned short) dB_fixed(ue->measurements.rx_power_tot[eNB_id]);
if (ue->measurements.rx_spatial_power[gNB_id][aatx][aarx]<0)
ue->measurements.rx_spatial_power[gNB_id][aatx][aarx] = 0;
} //eNB_id
eNB_id=0;
ue->measurements.rx_spatial_power_dB[gNB_id][aatx][aarx] = (unsigned short) dB_fixed(ue->measurements.rx_spatial_power[gNB_id][aatx][aarx]);
ue->measurements.rx_power[gNB_id][aarx] += ue->measurements.rx_spatial_power[gNB_id][aatx][aarx];
if (ue->transmission_mode[eNB_id]!=4 && ue->transmission_mode[eNB_id]!=3)
ue->measurements.rank[eNB_id] = 0;
else
ue->measurements.rank[eNB_id] = rank_tm3_tm4;
}
ue->measurements.rx_power_dB[gNB_id][aarx] = (unsigned short) dB_fixed(ue->measurements.rx_power[gNB_id][aarx]);
ue->measurements.rx_power_tot[gNB_id] += ue->measurements.rx_power[gNB_id][aarx];
}
ue->measurements.rx_power_tot_dB[gNB_id] = (unsigned short) dB_fixed(ue->measurements.rx_power_tot[gNB_id]);
}
// filter to remove jitter
if (ue->init_averaging == 0) {
for (eNB_id = 0; eNB_id < ue->n_connected_eNB; eNB_id++)
ue->measurements.rx_power_avg[eNB_id] = (int)
(((k1*((long long int)(ue->measurements.rx_power_avg[eNB_id]))) +
(k2*((long long int)(ue->measurements.rx_power_tot[eNB_id]))))>>10);
//LOG_I(PHY,"Noise Power Computation: k1 %d k2 %d n0 avg %d n0 tot %d\n", k1, k2, ue->measurements.n0_power_avg,
ue->measurements.n0_power_avg = (int)
(((k1*((long long int) (ue->measurements.n0_power_avg))) +
(k2*((long long int) (ue->measurements.n0_power_tot))))>>10);
for (gNB_id = 0; gNB_id < ue->n_connected_eNB; gNB_id++)
ue->measurements.rx_power_avg[gNB_id] = (int)(((k1*((long long int)(ue->measurements.rx_power_avg[gNB_id]))) + (k2*((long long int)(ue->measurements.rx_power_tot[gNB_id])))) >> 10);
ue->measurements.n0_power_avg = (int)(((k1*((long long int) (ue->measurements.n0_power_avg))) + (k2*((long long int) (ue->measurements.n0_power_tot))))>>10);
LOG_D(PHY, "Noise Power Computation: k1 %d k2 %d n0 avg %lu n0 tot %lu\n", k1, k2, ue->measurements.n0_power_avg, ue->measurements.n0_power_tot);
} else {
for (eNB_id = 0; eNB_id < ue->n_connected_eNB; eNB_id++)
ue->measurements.rx_power_avg[eNB_id] = ue->measurements.rx_power_tot[eNB_id];
for (gNB_id = 0; gNB_id < ue->n_connected_eNB; gNB_id++)
ue->measurements.rx_power_avg[gNB_id] = ue->measurements.rx_power_tot[gNB_id];
ue->measurements.n0_power_avg = ue->measurements.n0_power_tot;
ue->init_averaging = 0;
}
for (eNB_id = 0; eNB_id < ue->n_connected_eNB; eNB_id++) {
ue->measurements.rx_power_avg_dB[eNB_id] = dB_fixed( ue->measurements.rx_power_avg[eNB_id]);
ue->measurements.wideband_cqi_tot[eNB_id] = dB_fixed2(ue->measurements.rx_power_tot[eNB_id],ue->measurements.n0_power_tot);
ue->measurements.wideband_cqi_avg[eNB_id] = dB_fixed2(ue->measurements.rx_power_avg[eNB_id],ue->measurements.n0_power_avg);
ue->measurements.rx_rssi_dBm[eNB_id] = ue->measurements.rx_power_avg_dB[eNB_id] - ue->rx_total_gain_dB;
LOG_D(PHY,"[eNB %d] Subframe %d, RSSI %d dBm, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d\n",
eNB_id,
subframe,
ue->measurements.rx_rssi_dBm[eNB_id],
ue->measurements.rx_power_avg_dB[eNB_id],
ue->measurements.wideband_cqi_avg[eNB_id],
ue->measurements.rx_power_avg[eNB_id],
ue->measurements.n0_power_tot);
for (gNB_id = 0; gNB_id < ue->n_connected_eNB; gNB_id++) {
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;
LOG_D(PHY, "[gNB %d] Slot %d, RSSI %d dBm, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d\n",
gNB_id,
slot,
ue->measurements.rx_rssi_dBm[gNB_id],
ue->measurements.rx_power_avg_dB[gNB_id],
ue->measurements.wideband_cqi_avg[gNB_id],
ue->measurements.rx_power_avg[gNB_id],
ue->measurements.n0_power_tot);
}
#if defined(__x86_64__) || defined(__i386__)
@@ -252,3 +250,60 @@ void nr_ue_rsrp_measurements(PHY_VARS_NR_UE *ue,
ue->measurements.rsrp[eNB_offset]);
}
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;
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;
unsigned int ssb_offset = ue->frame_parms.first_carrier_offset + ue->frame_parms.ssb_start_subcarrier;
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);
for (aarx = 0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
nb_nulls = 0;
ue->measurements.n0_power[aarx] = 0;
rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[proc->thread_id].rxdataF[aarx][(l_sss*ue->frame_parms.ofdm_symbol_size) + ssb_offset];
//-ve spectrum from SSS
for(k = k_left; k < k_left + k_length; k++){
#ifdef DEBUG_MEAS_RRC
LOG_I(PHY, "In %s -rxF_sss %d %d\n", __FUNCTION__, rxF_sss[k*2], rxF_sss[k*2 + 1]);
#endif
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[k*2]*rxF_sss[k*2]) + ((int32_t)rxF_sss[k*2 + 1]*rxF_sss[k*2 + 1]));
nb_nulls++;
}
//+ve spectrum from SSS
for(k = k_right; k < k_right + k_length; k++){
#ifdef DEBUG_MEAS_RRC
LOG_I(PHY, "In %s +rxF_sss %d %d\n", __FUNCTION__, rxF_sss[k*2], rxF_sss[k*2 + 1]);
#endif
ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[k*2]*rxF_sss[k*2]) + ((int32_t)rxF_sss[k*2 + 1]*rxF_sss[k*2 + 1]));
nb_nulls++;
}
ue->measurements.n0_power[aarx] /= nb_nulls;
ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]);
ue->measurements.n0_power_tot += ue->measurements.n0_power[aarx];
}
ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/aarx);
LOG_I(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);
}
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+18 -33
View File
@@ -230,14 +230,12 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
}
void nr_ue_measurement_procedures(uint16_t l, // symbol index of each slot [0..6]
PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
uint8_t eNB_id,
uint16_t slot, // slot index of each radio frame [0..19]
runmode_t mode)
{
LOG_D(PHY,"ue_measurement_procedures l %u Ncp %d\n",l,ue->frame_parms.Ncp);
void nr_ue_measurement_procedures(uint16_t l,
PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
uint8_t eNB_id,
uint16_t slot,
runmode_t mode){
NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
int frame_rx = proc->frame_rx;
@@ -245,18 +243,14 @@ void nr_ue_measurement_procedures(uint16_t l, // symbol index of each slot [0
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_IN);
if (l==2) {
// UE measurements on symbol 0
LOG_D(PHY,"Calling measurements nr_slot_rx %d, rxdata %p\n",nr_slot_rx,ue->common_vars.rxdata);
/*
nr_ue_measurements(ue,
proc,
0,
0,
0,
0,
nr_slot_rx);
*/
//(nr_slot_rx*frame_parms->samples_per_slot+ue->rx_offset) % frame_parms->samples_per_frame
LOG_D(PHY,"Doing UE measurement procedures in symbol l %u Ncp %d nr_slot_rx %d, rxdata %p\n",
l,
ue->frame_parms.Ncp,
nr_slot_rx,
ue->common_vars.rxdata);
nr_ue_measurements(ue, proc, nr_slot_rx);
#if T_TRACER
if(slot == 0)
@@ -1761,6 +1755,9 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
0,
16384);
}
LOG_D(PHY, "Doing N0 measurements in %s\n", __FUNCTION__);
nr_ue_rrc_measurements(ue, proc, nr_slot_rx);
}
if ((frame_rx%64 == 0) && (nr_slot_rx==0)) {
@@ -1865,19 +1862,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
ue->dlsch[proc->thread_id][gNB_id][0],
NULL);
//printf("phy procedure pdsch start measurement\n");
nr_ue_measurement_procedures(2,ue,proc,gNB_id,nr_slot_rx,mode);
/*
write_output("rxF.m","rxF",&ue->common_vars.common_vars_rx_data_per_thread[proc->thread_id].rxdataF[0][0],fp->ofdm_symbol_size*14,1,1);
write_output("rxF_ch.m","rxFch",&ue->pdsch_vars[proc->thread_id][gNB_id]->dl_ch_estimates[0][0],fp->ofdm_symbol_size*14,1,1);
write_output("rxF_ch_ext.m","rxFche",&ue->pdsch_vars[proc->thread_id][gNB_id]->dl_ch_estimates_ext[0][2*50*12],50*12,1,1);
write_output("rxF_ext.m","rxFe",&ue->pdsch_vars[proc->thread_id][gNB_id]->rxdataF_ext[0][0],50*12*14,1,1);
write_output("rxF_comp.m","rxFc",&ue->pdsch_vars[proc->thread_id][gNB_id]->rxdataF_comp0[0][0],fp->N_RB_DL*12*14,1,1);
write_output("rxF_llr.m","rxFllr",ue->pdsch_vars[proc->thread_id][gNB_id]->llr[0],(nb_symb_sch-1)*50*12+50*6,1,0);
*/
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_OUT);
nr_ue_measurement_procedures(2, ue, proc, gNB_id, nr_slot_rx, mode);
}
// do procedures for SI-RNTI