maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NR RU init

Browse Source
This commit is contained in:
Guy De Souza
2018-04-11 14:31:08 +02:00
parent 312cf0bf56
commit 7e7c15c3b9
4 changed files with 199 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmake_targets/CMakeLists.txt
+1
View File
@@ -1257,6 +1257,7 @@ set(PHY_SRC_UE
${RRC_FULL_DIR}/asn1_constants.h
# actual source
${OPENAIR1_DIR}/PHY/INIT/nr_init.c
${OPENAIR1_DIR}/PHY/INIT/nr_init_ru.c
${OPENAIR1_DIR}/PHY/INIT/nr_parms.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_pss.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_sss.c
openair1/PHY/INIT/nr_init_ru.c
+189
View File
@@ -0,0 +1,189 @@
/*
* 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 "defs.h"
#include "SCHED/defs.h"
#include "PHY/extern.h"
#include "SIMULATION/TOOLS/defs.h"
#include "RadioResourceConfigCommonSIB.h"
#include "RadioResourceConfigDedicated.h"
#include "TDD-Config.h"
#include "LAYER2/MAC/extern.h"
#include "MBSFN-SubframeConfigList.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "assertions.h"
#include <math.h>
int nr_phy_init_RU(RU_t *ru) {
NR_DL_FRAME_PARMS *fp = &ru->nr_frame_parms;
int i,j;
int p;
int re;
LOG_I(PHY,"Initializing RU signal buffers (if_south %s) nb_tx %d\n",ru_if_types[ru->if_south],ru->nb_tx);
if (ru->if_south <= REMOTE_IF5) { // this means REMOTE_IF5 or LOCAL_RF, so allocate memory for time-domain signals
// Time-domain signals
ru->common.txdata = (int32_t**)malloc16(ru->nb_tx*sizeof(int32_t*));
ru->common.rxdata = (int32_t**)malloc16(ru->nb_rx*sizeof(int32_t*) );
for (i=0; i<ru->nb_tx; i++) {
// Allocate 10 subframes of I/Q TX signal data (time) if not
ru->common.txdata[i] = (int32_t*)malloc16_clear( fp->samples_per_frame_wCP*sizeof(int32_t) );
LOG_I(PHY,"[INIT] common.txdata[%d] = %p (%lu bytes)\n",i,ru->common.txdata[i],
fp->samples_per_subframe_wCP*sizeof(int32_t));
}
for (i=0;i<ru->nb_rx;i++) {
ru->common.rxdata[i] = (int32_t*)malloc16_clear( fp->samples_per_frame_wCP*sizeof(int32_t) );
}
} // IF5 or local RF
else {
// LOG_I(PHY,"No rxdata/txdata for RU\n");
ru->common.txdata = (int32_t**)NULL;
ru->common.rxdata = (int32_t**)NULL;
}
if (ru->function != NGFI_RRU_IF5) { // we need to do RX/TX RU processing
LOG_I(PHY,"nb_tx %d\n",ru->nb_tx);
ru->common.rxdata_7_5kHz = (int32_t**)malloc16(ru->nb_rx*sizeof(int32_t*) );
for (i=0;i<ru->nb_rx;i++) {
ru->common.rxdata_7_5kHz[i] = (int32_t*)malloc16_clear( 2*fp->samples_per_subframe_wCP*2*sizeof(int32_t) );
LOG_I(PHY,"rxdata_7_5kHz[%d] %p for RU %d\n",i,ru->common.rxdata_7_5kHz[i],ru->idx);
}
// allocate IFFT input buffers (TX)
ru->common.txdataF_BF = (int32_t **)malloc16(ru->nb_tx*sizeof(int32_t*));
LOG_I(PHY,"[INIT] common.txdata_BF= %p (%lu bytes)\n",ru->common.txdataF_BF,
ru->nb_tx*sizeof(int32_t*));
for (i=0; i<ru->nb_tx; i++) {
ru->common.txdataF_BF[i] = (int32_t*)malloc16_clear(fp->samples_per_subframe_wCP*sizeof(int32_t) );
LOG_I(PHY,"txdataF_BF[%d] %p for RU %d\n",i,ru->common.txdataF_BF[i],ru->idx);
}
// allocate FFT output buffers (RX)
ru->common.rxdataF = (int32_t**)malloc16(ru->nb_rx*sizeof(int32_t*) );
for (i=0; i<ru->nb_rx; i++) {
// allocate 2 subframes of I/Q signal data (frequency)
ru->common.rxdataF[i] = (int32_t*)malloc16_clear(sizeof(int32_t)*(2*fp->samples_per_subframe_wCP) );
LOG_I(PHY,"rxdataF[%d] %p for RU %d\n",i,ru->common.rxdataF[i],ru->idx);
}
/* number of elements of an array X is computed as sizeof(X) / sizeof(X[0]) */
// AssertFatal(ru->nb_rx <= sizeof(ru->prach_rxsigF) / sizeof(ru->prach_rxsigF[0]),
// "nb_antennas_rx too large");
ru->prach_rxsigF = (int16_t**)malloc(ru->nb_rx * sizeof(int16_t*));
for (j=0;j<4;j++) ru->prach_rxsigF_br[j] = (int16_t**)malloc(ru->nb_rx * sizeof(int16_t*));
for (i=0; i<ru->nb_rx; i++) {
ru->prach_rxsigF[i] = (int16_t*)malloc16_clear( fp->ofdm_symbol_size*12*2*sizeof(int16_t) );
LOG_D(PHY,"[INIT] prach_vars->rxsigF[%d] = %p\n",i,ru->prach_rxsigF[i]);
}
AssertFatal(RC.nb_L1_inst <= NUMBER_OF_eNB_MAX,"gNB instances %d > %d\n",
RC.nb_L1_inst,NUMBER_OF_eNB_MAX);
LOG_E(PHY,"[INIT] %s() RC.nb_L1_inst:%d \n", __FUNCTION__, RC.nb_L1_inst);
for (i=0; i<RC.nb_L1_inst; i++) {
for (p=0;p<15;p++) {
LOG_D(PHY,"[INIT] %s() nb_antenna_ports_eNB:%d \n", __FUNCTION__, ru->gNB_list[i]->gNB_config.rf_config.tx_antenna_ports.value);
if (p<ru->gNB_list[i]->gNB_config.rf_config.tx_antenna_ports.value || p==5) {
LOG_D(PHY,"[INIT] %s() DO BEAM WEIGHTS nb_antenna_ports_eNB:%d nb_tx:%d\n", __FUNCTION__, ru->gNB_list[i]->gNB_config.rf_config.tx_antenna_ports.value, ru->nb_tx);
ru->beam_weights[i][p] = (int32_t **)malloc16_clear(ru->nb_tx*sizeof(int32_t*));
for (j=0; j<ru->nb_tx; j++) {
ru->beam_weights[i][p][j] = (int32_t *)malloc16_clear(fp->ofdm_symbol_size*sizeof(int32_t));
// antenna ports 0-3 are mapped on antennas 0-3
// antenna port 4 is mapped on antenna 0
// antenna ports 5-14 are mapped on all antennas
if (((p<4) && (p==j)) || ((p==4) && (j==0))) {
for (re=0; re<fp->ofdm_symbol_size; re++)
{
ru->beam_weights[i][p][j][re] = 0x00007fff;
//LOG_D(PHY,"[INIT] lte_common_vars->beam_weights[%d][%d][%d][%d] = %d\n", i,p,j,re,ru->beam_weights[i][p][j][re]);
}
}
else if (p>4) {
for (re=0; re<fp->ofdm_symbol_size; re++)
{
ru->beam_weights[i][p][j][re] = 0x00007fff/ru->nb_tx;
//LOG_D(PHY,"[INIT] lte_common_vars->beam_weights[%d][%d][%d][%d] = %d\n", i,p,j,re,ru->beam_weights[i][p][j][re]);
}
}
//LOG_D(PHY,"[INIT] lte_common_vars->beam_weights[%d][%d] = %p (%lu bytes)\n", i,j,ru->beam_weights[i][p][j], fp->ofdm_symbol_size*sizeof(int32_t));
} // for (j=0
} // if (p<ru
} // for p
} //for i
} // !=IF5
ru->common.sync_corr = (uint32_t*)malloc16_clear( LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*sizeof(uint32_t)*fp->samples_per_subframe_wCP );
return(0);
}
void nr_phy_free_RU(RU_t *ru)
{
int i,j;
int p;
LOG_I(PHY, "Feeing RU signal buffers (if_south %s) nb_tx %d\n", ru_if_types[ru->if_south], ru->nb_tx);
if (ru->if_south <= REMOTE_IF5) { // this means REMOTE_IF5 or LOCAL_RF, so free memory for time-domain signals
for (i = 0; i < ru->nb_tx; i++) free_and_zero(ru->common.txdata[i]);
for (i = 0; i < ru->nb_rx; i++) free_and_zero(ru->common.rxdata[i]);
free_and_zero(ru->common.txdata);
free_and_zero(ru->common.rxdata);
} // else: IF5 or local RF -> nothing to free()
if (ru->function != NGFI_RRU_IF5) { // we need to do RX/TX RU processing
for (i = 0; i < ru->nb_rx; i++) free_and_zero(ru->common.rxdata_7_5kHz[i]);
free_and_zero(ru->common.rxdata_7_5kHz);
// free IFFT input buffers (TX)
for (i = 0; i < ru->nb_tx; i++) free_and_zero(ru->common.txdataF_BF[i]);
free_and_zero(ru->common.txdataF_BF);
// free FFT output buffers (RX)
for (i = 0; i < ru->nb_rx; i++) free_and_zero(ru->common.rxdataF[i]);
free_and_zero(ru->common.rxdataF);
for (i = 0; i < ru->nb_rx; i++) {
free_and_zero(ru->prach_rxsigF[i]);
}
for (j = 0; j < 4; j++) free_and_zero(ru->prach_rxsigF_br[j]);
free_and_zero(ru->prach_rxsigF);
/* ru->prach_rxsigF_br is not allocated -> don't free */
for (i = 0; i < RC.nb_L1_inst; i++) {
for (p = 0; p < 15; p++) {
if (p < ru->gNB_list[i]->gNB_config.rf_config.tx_antenna_ports.value || p == 5) {
for (j=0; j<ru->nb_tx; j++) free_and_zero(ru->beam_weights[i][p][j]);
free_and_zero(ru->beam_weights[i][p]);
}
}
}
}
free_and_zero(ru->common.sync_corr);
}
targets/RT/USER/nr-ru.c
+6 -6
View File
@@ -122,8 +122,8 @@ static int DEFENBS[] = {0};
extern volatile int oai_exit;
extern void phy_init_RU(RU_t*);
extern void phy_free_RU(RU_t*);
extern void nr_phy_init_RU(RU_t*);
extern void nr_phy_free_RU(RU_t*);
void init_RU(char*);
void stop_RU(int nb_ru);
@@ -1376,7 +1376,7 @@ static void* ru_thread( void* param ) {
fill_rf_config(ru,ru->rf_config_file);
nr_init_frame_parms(ru->gNB_list[0]->gNB_config, fp);
nr_dump_frame_parms(fp);
phy_init_RU(ru);
nr_phy_init_RU(ru);
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
}
@@ -1863,7 +1863,7 @@ void configure_ru(int idx,
config->prach_FreqOffset[0],config->prach_ConfigIndex[0]);*/
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, &ru->nr_frame_parms);
phy_init_RU(ru);
nr_phy_init_RU(ru);
}
void configure_rru(int idx,
@@ -1905,7 +1905,7 @@ void configure_rru(int idx,
fill_rf_config(ru,ru->rf_config_file);
phy_init_RU(ru);
nr_phy_init_RU(ru);
}
@@ -2016,7 +2016,7 @@ void set_function_spec_param(RU_t *ru)
if (ru->function == gNodeB_3GPP) { // configure RF parameters only for 3GPP eNodeB, we need to get them from RAU otherwise
fill_rf_config(ru,rf_config_file);
init_frame_parms(&ru->frame_parms,1);
phy_init_RU(ru);
nr_phy_init_RU(ru);
}
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
targets/RT/USER/nr-softmodem.c
+3 -3
View File
@@ -782,7 +782,7 @@ void terminate_task(task_id_t task_id, module_id_t mod_id)
}
//extern void free_transport(PHY_VARS_gNB *);
extern void phy_free_RU(RU_t*);
extern void nr_phy_free_RU(RU_t*);
int stop_L1L2(module_id_t gnb_id)
{
@@ -825,7 +825,7 @@ int stop_L1L2(module_id_t gnb_id)
//free_transport(RC.gNB[gnb_id][cc_id]);
phy_free_nr_gNB(RC.gNB[gnb_id][cc_id]);
}
phy_free_RU(RC.ru[gnb_id]);
nr_phy_free_RU(RC.ru[gnb_id]);
free_lte_top();
return 0;
}
@@ -1283,7 +1283,7 @@ int main( int argc, char **argv )
}
}
for (int inst = 0; inst < NB_RU; inst++) {
phy_free_RU(RC.ru[inst]);
nr_phy_free_RU(RC.ru[inst]);
}
free_lte_top();