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Commit b5def5b1 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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Merge branch 'nr_pdsch' of https://gitlab.eurecom.fr/oai/openairinterface5g into nr_pdsch

parents f2839eaf 89eb94ec
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Showing with 235 additions and 17 deletions
cmake_targets/CMakeLists.txt
View file @ b5def5b1
......@@ -1355,6 +1355,7 @@ set(PHY_SRC_UE
${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_dmrs_rx.c
${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gold_ue.c
${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_adjust_synch_ue.c
${OPENAIR1_DIR}/PHY/LTE_ESTIMATION/lte_ue_measurements.c
${OPENAIR1_DIR}/PHY/TOOLS/file_output.c
${OPENAIR1_DIR}/PHY/TOOLS/cadd_vv.c
......
openair1/PHY/NR_UE_ESTIMATION/nr_adjust_synch_ue.c 0 → 100644
View file @ b5def5b1
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#include "PHY/types.h"
#include "PHY/defs_nr_UE.h"
#include "PHY/NR_UE_ESTIMATION/nr_estimation.h"
#include "PHY/impl_defs_top.h"
//#include "openair2/LAYER2/MAC/mac_proto.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#define DEBUG_PHY
// Adjust location synchronization point to account for drift
// The adjustment is performed once per frame based on the
// last channel estimate of the receiver
void nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
PHY_VARS_NR_UE *ue,
module_id_t eNB_id,
uint8_t subframe,
unsigned char clear,
short coef)
{
static int max_pos_fil = 0;
static int count_max_pos_ok = 0;
static int first_time = 1;
int temp = 0, i, aa, max_val = 0, max_pos = 0;
int diff;
short Re,Im,ncoef;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ADJUST_SYNCH, VCD_FUNCTION_IN);
ncoef = 32767 - coef;
//#ifdef DEBUG_PHY
LOG_D(PHY,"AbsSubframe %d.%d: rx_offset (before) = %d\n",ue->proc.proc_rxtx[0].frame_rx%1024,subframe,ue->rx_offset);
//#endif //DEBUG_PHY
// we only use channel estimates from tx antenna 0 here
for (i = 0; i < frame_parms->nb_prefix_samples; i++) {
temp = 0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Re = ((int16_t*)ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].dl_ch_estimates_time[eNB_id][aa])[(i<<1)];
Im = ((int16_t*)ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].dl_ch_estimates_time[eNB_id][aa])[1+(i<<1)];
temp += (Re*Re/2) + (Im*Im/2);
}
if (temp > max_val) {
max_pos = i;
max_val = temp;
}
}
// filter position to reduce jitter
if (clear == 1)
max_pos_fil = max_pos;
else
max_pos_fil = ((max_pos_fil * coef) + (max_pos * ncoef)) >> 15;
// do not filter to have proactive timing adjustment
max_pos_fil = max_pos;
if(subframe == 1)
{
diff = max_pos_fil - (frame_parms->nb_prefix_samples>>3);
if ( abs(diff) < SYNCH_HYST )
ue->rx_offset = 0;
else
ue->rx_offset = diff;
if(abs(diff)<5)
count_max_pos_ok ++;
else
count_max_pos_ok = 0;
printf("adjust sync count_max_pos_ok = %d\n",count_max_pos_ok);
if(count_max_pos_ok > 10 && first_time == 1)
{
first_time = 0;
ue->time_sync_cell = 1;
if (ue->mac_enabled==1) {
LOG_I(PHY,"[UE%d] Sending synch status to higher layers\n",ue->Mod_id);
//mac_resynch();
//dl_phy_sync_success(ue->Mod_id,ue->proc.proc_rxtx[0].frame_rx,0,1);//ue->common_vars.eNb_id);
ue->UE_mode[0] = PRACH;
}
else {
ue->UE_mode[0] = PUSCH;
}
}
if ( ue->rx_offset < 0 )
ue->rx_offset += FRAME_LENGTH_COMPLEX_SAMPLES;
if ( ue->rx_offset >= FRAME_LENGTH_COMPLEX_SAMPLES )
ue->rx_offset -= FRAME_LENGTH_COMPLEX_SAMPLES;
#ifdef DEBUG_PHY
LOG_I(PHY,"AbsSubframe %d.%d: ThreadId %d diff =%i rx_offset (final) = %i : clear %d,max_pos = %d,max_pos_fil = %d (peak %d) max_val %d target_pos %d \n",
ue->proc.proc_rxtx[ue->current_thread_id[subframe]].frame_rx,
subframe,
ue->current_thread_id[subframe],
diff,
ue->rx_offset,
clear,
max_pos,
max_pos_fil,
temp,max_val,
(frame_parms->nb_prefix_samples>>3));
#endif //DEBUG_PHY
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_ADJUST_SYNCH, VCD_FUNCTION_OUT);
}
}
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ b5def5b1
......@@ -262,7 +262,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned short nb_rb_coreset)
{
int pilot[200] __attribute__((aligned(16)));
unsigned char aarx;
unsigned char aarx,p;
unsigned short k;
unsigned int pilot_cnt;
int16_t ch[2],*pil,*rxF,*dl_ch,*fl,*fm,*fr;
......@@ -424,6 +424,52 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
}
}
void (*idft)(int16_t *,int16_t *, int);
switch (ue->frame_parms.ofdm_symbol_size) {
case 128:
idft = idft128;
break;
case 256:
idft = idft256;
break;
case 512:
idft = idft512;
break;
case 1024:
idft = idft1024;
break;
case 1536:
idft = idft1536;
break;
case 2048:
idft = idft2048;
break;
default:
idft = idft512;
break;
}
if( ((Ns%2) == 0) && (l == 0))
{
// do ifft of channel estimate
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++)
for (p=0; p<ue->frame_parms.nb_antenna_ports_eNB; p++) {
if (ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates[eNB_offset][(p<<1)+aarx])
{
//LOG_I(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d \n", Ns, ue->current_thread_id[Ns>>1], l);
idft((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates[eNB_offset][(p<<1)+aarx][0],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates_time[eNB_offset][(p<<1)+aarx],1);
}
}
}
return(0);
}
......@@ -465,7 +511,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
int re_offset = k;
//#ifdef DEBUG_CH
printf("PDSCH Channel Estimation : ThreadId %d, eNB_offset %d ch_offset %d, symbol_offset %d OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d symbol %d\n",ue->current_thread_id[Ns>>1], eNB_offset,ch_offset,symbol_offset,ue->frame_parms.ofdm_symbol_size,
printf("PDSCH Channel Estimation : ThreadId %d, eNB_offset %d ch_offset %d, symbol_offset %d OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d symbol %d\n",ue->current_thread_id[Ns], eNB_offset,ch_offset,symbol_offset,ue->frame_parms.ofdm_symbol_size,
ue->frame_parms.Ncp,l,Ns,k, symbol);
//#endif
......
openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
View file @ b5def5b1
......@@ -67,4 +67,12 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned char symbol,
unsigned short bwp_start_subcarrier,
unsigned short nb_rb_pdsch);
void nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
PHY_VARS_NR_UE *ue,
module_id_t eNB_id,
uint8_t subframe,
unsigned char clear,
short coef);
#endif
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ b5def5b1
......@@ -46,6 +46,7 @@
#include "SCHED_NR/extern.h"
//#include <sched.h>
//#include "targets/RT/USER/nr-softmodem.h"
#include "PHY/NR_UE_ESTIMATION/nr_estimation.h"
#ifdef EMOS
#include "SCHED/phy_procedures_emos.h"
......@@ -2643,19 +2644,25 @@ void phy_procedures_UE_S_TX(PHY_VARS_NR_UE *ue,uint8_t eNB_id,uint8_t abstractio
}
}
void ue_measurement_procedures(
#endif
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,
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]
uint8_t abstraction_flag,runmode_t mode)
uint8_t abstraction_flag,
runmode_t mode)
{
//LOG_I(PHY,"ue_measurement_procedures l %d Ncp %d\n",l,ue->frame_parms.Ncp);
LOG_I(PHY,"ue_measurement_procedures l %u Ncp %d\n",l,ue->frame_parms.Ncp);
NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
int nr_tti_rx = proc->nr_tti_rx;
#if 0
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_IN);
if (l==0) {
......@@ -2705,12 +2712,12 @@ void ue_measurement_procedures(
ue->sinr_eff = sinr_eff_cqi_calc(ue, 0, nr_tti_rx);
}
#endif
// accumulate and filter timing offset estimation every nr_tti_rx (instead of every frame)
if (( (slot%2) == 0) && (l==(4-frame_parms->Ncp))) {
// AGC
/*
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_IN);
#ifndef OAI_USRP
......@@ -2724,12 +2731,14 @@ void ue_measurement_procedures(
#endif
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_OUT);
*/
eNB_id = 0;
if (abstraction_flag == 0) {
printf("start adjust sync l = %d slot = %d no timing %d\n",l, slot, ue->no_timing_correction);
if (ue->no_timing_correction==0)
lte_adjust_synch(&ue->frame_parms,
nr_adjust_synch_ue(&ue->frame_parms,
ue,
eNB_id,
nr_tti_rx,
......@@ -2742,6 +2751,7 @@ void ue_measurement_procedures(
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_OUT);
}
#ifdef EMOS
void phy_procedures_emos_UE_RX(PHY_VARS_NR_UE *ue,uint8_t last_slot,uint8_t eNB_id)
{
......@@ -2830,7 +2840,7 @@ void phy_procedures_emos_UE_RX(PHY_VARS_NR_UE *ue,uint8_t last_slot,uint8_t eNB_
}
#endif
#if 0
void restart_phy(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc, uint8_t eNB_id,uint8_t abstraction_flag)
{
......@@ -5475,6 +5485,8 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
int nr_tti_rx = proc->nr_tti_rx;
proc->decoder_switch = 0;
//int counter_decoder = 0;
LOG_I(PHY," ****** start RX-Chain for AbsSubframe %d.%d ****** \n", frame_rx%1024, nr_tti_rx);
uint8_t next1_thread_id = ue->current_thread_id[nr_tti_rx]== (RX_NB_TH-1) ? 0:(ue->current_thread_id[nr_tti_rx]+1);
uint8_t next2_thread_id = next1_thread_id== (RX_NB_TH-1) ? 0:(next1_thread_id+1);
......@@ -5557,8 +5569,8 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
#endif
//nr_gold_pdcch(ue,0, 2);
if (nr_tti_rx==2)
for (int l=0; l<2; l++) {
if (nr_tti_rx==1){
for (uint16_t l=0; l<2; l++) {
if (abstraction_flag == 0) {
#if UE_TIMING_TRACE
start_meas(&ue->ofdm_demod_stats);
......@@ -5567,7 +5579,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_IN);
nr_slot_fep(ue,
l,
nr_tti_rx,
nr_tti_rx<<1,
0,
0,
1,
......@@ -5576,8 +5588,12 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
#if UE_TIMING_TRACE
stop_meas(&ue->ofdm_demod_stats);
#endif
printf("phy procedure pdcch start measurement l =%d\n",l);
nr_ue_measurement_procedures(l,ue,proc,eNB_id,(nr_tti_rx<<1),abstraction_flag,mode);
}
}
}
//write_output("rxdataF.m","rxF",ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx>>1]].rxdataF[0],ue->frame_parms.ofdm_symbol_size*2,1,1);
......@@ -5654,18 +5670,23 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
//#if 0
LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR slot 0: AbsSubframe %d.%d ------ \n", frame_rx%1024, nr_tti_rx);
if (nr_tti_rx==2){
if (nr_tti_rx==1){
//to update from pdsch config
nr_gold_pdsch(ue,2,0, 1);
for (int m=2;m<6 ; m++)
for (uint16_t m=2;m<6 ; m++){
nr_slot_fep(ue,
m, //to be updated from higher layer
nr_tti_rx,
nr_tti_rx<<1,
0,
0,
1,
NR_PDSCH_EST);
printf("phy procedure pdsch start measurement\n");
nr_ue_measurement_procedures(m,ue,proc,eNB_id,(nr_tti_rx<<1),abstraction_flag,mode);
}
//set active for testing, to be removed
ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active = 1;
}
......
targets/RT/USER/nr-ru.c
View file @ b5def5b1
......@@ -2443,9 +2443,11 @@ void RCconfig_RU(void) {
RC.ru[j]->num_gNB = 0;
for (i=0;i<RC.ru[j]->num_gNB;i++) RC.ru[j]->gNB_list[i] = RC.gNB[RUParamList.paramarray[j][RU_ENB_LIST_IDX].iptr[i]][0];
#ifndef OAI_ADRV9371_ZC706
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_ADDRS)) {
RC.ru[j]->openair0_cfg.sdr_addrs = strdup(*(RUParamList.paramarray[j][RU_SDR_ADDRS].strptr));
}
#endif
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_CLK_SRC)) {
if (strcmp(*(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr), "internal") == 0) {
......
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