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creation of simulation data structure. some cleanup and testing with multiple UEs

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This commit is contained in:
Raymond Knopp
2018-06-04 00:12:48 +02:00
parent c3c6284b83
commit 8dd9cf3c86
9 changed files with 204 additions and 364 deletions
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cmake_targets/build_oai
+2 -138
View File
@@ -111,8 +111,6 @@ Options
-t | --transport protocol
ETHERNET , None
Adds this trasport protocol support in compilation
--oaisim
Makes the oaisim simulator. Hardware will be defaulted to \"None\".
--phy_simulators
Makes the unitary tests Layer 1 simulators
--core_simulators
@@ -124,12 +122,12 @@ Options
-V | --vcd
Adds a debgging facility to the binary files: GUI with major internal synchronization events
-x | --xforms
Adds a software oscilloscope feature to the produced binaries. If oaisim, then enable PRINT_STATS.
Adds a software oscilloscope feature to the produced binaries.
--install-system-files
Install OpenArInterface required files in Linux system
(will ask root password)
--noS1
Compiles oaisim or lte-softmodem without S1 interface, using direct link to IP instead
Compiles lte-softmodem without S1 interface, using direct link to IP instead
--verbose-compile
Shows detailed compilation instructions in makefile
--cflags_processor
@@ -164,11 +162,8 @@ Options
Generates a basic [1 UE + 1 eNB + no channel] simulator.
See targets/ARCH/tcp_bridge/README.tcp_bridge_oai for documentation.
Usage (first build):
oaisim (eNB + UE): ./build_oai -I --oaisim -x --install-system-files
Eurecom EXMIMO + COTS UE : ./build_oai -I --eNB -x --install-system-files
NI/ETTUS B201 + COTS UE : ./build_oai -I --eNB -x --install-system-files -w USRP
Usage (Regular):
oaisim : ./build_oai --oaisim -x
Eurecom EXMIMO + OAI ENB : ./build_oai --eNB -x
NI/ETTUS B201 + OAI ENB : ./build_oai --eNB -x -w USRP"
}
@@ -250,10 +245,6 @@ function main() {
echo_info "Setting transport protocol to: $TP"
fi
shift 2;;
--oaisim)
oaisim=1
echo_info "Will compile oaisim and drivers nasmesh, ..."
shift;;
--phy_simulators)
SIMUS_PHY=1
echo_info "Will compile dlsim, ulsim, ..."
@@ -490,16 +481,6 @@ function main() {
check_install_additional_tools
fi
if [ "$oaisim" = "1" ] ; then
#to be discussed
# there is no RF device transport protocol
HW="None"
TP="ETHERNET"
if [ "$XFORMS" == "True" ] ; then
PRINT_STATS="True"
fi
fi
echo_info "3. building the compilation directives ..."
@@ -689,123 +670,6 @@ function main() {
cp $OPENAIR_DIR/cmake_targets/tools/init_exmimo2 $dbin
fi
# oaisim compilation
###############
if [ "$oaisim" = "1" ] ; then
dconf=$OPENAIR_DIR/targets/bin
if [ "$NOS1" = "1" ] ; then
oaisim_build_dir=oaisim_noS1_build_oai
oaisim_exec=oaisim_nos1
else
oaisim_build_dir=oaisim_build_oai
oaisim_exec=oaisim
fi
echo_info "Compiling $oaisim_exec ($oaisim_build_dir)"
cmake_file=$DIR/$oaisim_build_dir/CMakeLists.txt
cp $DIR/$oaisim_build_dir/CMakeLists.template $cmake_file
echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
echo "set ( CFLAGS_PROCESSOR_USER \"$CFLAGS_PROCESSOR_USER\" )" >> $cmake_file
echo "set ( XFORMS $XFORMS )" >> $cmake_file
echo "set ( PRINT_STATS $PRINT_STATS )" >> $cmake_file
echo "set ( RRC_ASN1_VERSION \"${REL}\")" >> $cmake_file
echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )" >> $cmake_file
echo "set ( T_TRACER $T_TRACER )" >> $cmake_file
echo "set ( UE_NAS_USE_TUN $UE_NAS_USE_TUN )" >> $cmake_file
echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)' >> $cmake_file
[ "$CLEAN" = "1" ] && rm -rf $DIR/$oaisim_build_dir/build
mkdir -p $DIR/$oaisim_build_dir/build
cd $DIR/$oaisim_build_dir/build
eval $CMAKE_CMD
compilations \
$oaisim_build_dir $oaisim_exec \
$oaisim_exec $dbin/$oaisim_exec.$REL
compilations \
$oaisim_build_dir $config_libconfig_shlib \
lib$config_libconfig_shlib.so $dbin/lib$config_libconfig_shlib.so
compilations \
$oaisim_build_dir coding \
libcoding.so $dbin/libcoding.so
if [ "$NOS1" != "1" ] ; then
[ "$CLEAN" = "1" ] && rm -rf $DIR/at_commands/build
echo_info "Compiling at_nas_ue"
mkdir -p $DIR/at_commands/build
cd $DIR/at_commands/build
eval $CMAKE_CMD
compilations \
at_commands at_nas_ue \
at_nas_ue $dbin/at_nas_ue
# ue_ip driver compilation
echo_info "Compiling UE specific part (ue_ip driver and usim tools)"
compilations \
oaisim_build_oai ue_ip \
CMakeFiles/ue_ip/ue_ip.ko $dbin/ue_ip.ko
[ "$CLEAN" = "1" ] && rm -rf $DIR/nas_sim_tools/build
mkdir -p $DIR/nas_sim_tools/build
cd $DIR/nas_sim_tools/build
eval $CMAKE_CMD
compilations \
nas_sim_tools usim \
usim $dbin/usim
compilations \
nas_sim_tools nvram \
nvram $dbin/nvram
compilations \
nas_sim_tools conf2uedata \
conf2uedata $dbin/conf2uedata
# generate USIM data
if [ -f $dbin/conf2uedata ]; then
install_nas_tools $conf_nvram_path $gen_nvram_path
else
echo_warning "not generated UE NAS files: binaries not found"
fi
else
compilations \
$oaisim_build_dir rb_tool \
rb_tool $dbin/rb_tool
# nasmesh driver compilation
compilations \
$oaisim_build_dir nasmesh \
CMakeFiles/nasmesh/nasmesh.ko $dbin/nasmesh.ko
#oai_nw_drv
#compilations \
# $oaisim_build_dir oai_nw_drv \
# CMakeFiles/oai_nw_drv/oai_nw_drv.ko $dbin/oai_nw_drv.ko
fi
if [ "$TP" == "ETHERNET" ] ; then
compilations \
$oaisim_build_dir oai_eth_transpro \
liboai_eth_transpro.so $dbin/liboai_eth_transpro.so.$REL
ln -sf liboai_eth_transpro.so liboai_transpro.so
ln -sf $dbin/liboai_eth_transpro.so.$REL $dbin/liboai_transpro.so
echo_info "liboai_transpro.so is linked with ETHERNET library"
fi
cmake_file=$DIR/oaisim_mme_build_oai/CMakeLists.txt
cp $DIR/oaisim_mme_build_oai/CMakeLists.template $cmake_file
echo "set ( CMAKE_BUILD_TYPE $CMAKE_BUILD_TYPE )" >> $cmake_file
echo "set ( XFORMS $XFORMS )" >> $cmake_file
echo "set ( RRC_ASN1_VERSION \"${REL}\")" >> $cmake_file
echo "set ( ENABLE_VCD_FIFO $VCD_TIMING )" >> $cmake_file
echo "set ( T_TRACER $T_TRACER )" >> $cmake_file
echo 'include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)' >> $cmake_file
#[ "$CLEAN" = "1" ] && rm -rf $DIR/oaisim_mme_build_oai/build
#mkdir -p $DIR/oaisim_mme_build_oai/build
#cd $DIR/oaisim_mme_build_oai/build
#eval $CMAKE_CMD
#compilations \
# oaisim_mme_build_oai oaisim_mme \
# oaisim_mme $dbin/oaisim_mme.$REL
fi
# Telnet server compilation
#####################
openair1/SIMULATION/TOOLS/channel_sim.c
+54 -68
View File
@@ -51,24 +51,10 @@
#define LOG_D(A,B,C...) printf(B,C)
*/
int number_rb_ul;
int first_rbUL ;
extern Signal_buffers_t *signal_buffers_g;
double r_re_DL[NUMBER_OF_UE_MAX][2][30720];
double r_im_DL[NUMBER_OF_UE_MAX][2][30720];
double r_re_UL[NUMBER_OF_eNB_MAX][2][30720];
double r_im_UL[NUMBER_OF_eNB_MAX][2][30720];
int RU_output_mask[NUMBER_OF_UE_MAX];
int UE_output_mask[NUMBER_OF_RU_MAX];
pthread_mutex_t RU_output_mutex[NUMBER_OF_UE_MAX];
pthread_mutex_t UE_output_mutex[NUMBER_OF_RU_MAX];
double ru_amp[NUMBER_OF_RU_MAX];
void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM_CCs],
void do_DL_sig(sim_t *sim,
uint16_t subframe,
uint32_t offset,
uint32_t length,
@@ -87,8 +73,8 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
uint32_t sf_offset;
uint8_t hold_channel=0;
uint8_t nb_antennas_rx = RU2UE[0][0][CC_id]->nb_rx; // number of rx antennas at UE
uint8_t nb_antennas_tx = RU2UE[0][0][CC_id]->nb_tx; // number of tx antennas at eNB
uint8_t nb_antennas_rx = sim->RU2UE[0][0][CC_id]->nb_rx; // number of rx antennas at UE
uint8_t nb_antennas_tx = sim->RU2UE[0][0][CC_id]->nb_tx; // number of tx antennas at eNB
double s_re0[30720];
double s_re1[30720];
@@ -119,15 +105,15 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
else
hold_channel = 1;
pthread_mutex_lock(&RU_output_mutex[UE_id]);
pthread_mutex_lock(&sim->RU_output_mutex[UE_id]);
if (RU_output_mask[UE_id] == 0) { // This is the first eNodeB for this UE, clear the buffer
if (sim->RU_output_mask[UE_id] == 0) { // This is the first eNodeB for this UE, clear the buffer
for (aa=0; aa<nb_antennas_rx; aa++) {
memset((void*)r_re_DL[UE_id][aa],0,(RC.ru[0]->frame_parms.samples_per_tti)*sizeof(double));
memset((void*)r_im_DL[UE_id][aa],0,(RC.ru[0]->frame_parms.samples_per_tti)*sizeof(double));
memset((void*)sim->r_re_DL[UE_id][aa],0,(RC.ru[0]->frame_parms.samples_per_tti)*sizeof(double));
memset((void*)sim->r_im_DL[UE_id][aa],0,(RC.ru[0]->frame_parms.samples_per_tti)*sizeof(double));
}
}
pthread_mutex_unlock(&RU_output_mutex[UE_id]);
pthread_mutex_unlock(&sim->RU_output_mutex[UE_id]);
for (ru_id=0; ru_id<RC.nb_RU; ru_id++) {
txdata = RC.ru[ru_id]->common.txdata;
@@ -150,7 +136,7 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
14,
frame_parms->pdsch_config_common.referenceSignalPower, // dBm/RE
0,
&ru_amp[ru_id],
&sim->ru_amp[ru_id],
frame_parms->N_RB_DL*12);
}
@@ -166,7 +152,7 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
14,
frame_parms->pdsch_config_common.referenceSignalPower, // dBm/RE
0,
&ru_amp[ru_id],
&sim->ru_amp[ru_id],
frame_parms->N_RB_DL*12);
tx_pwr = dac_fixed_gain(s_re,
@@ -180,7 +166,7 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
14,
frame_parms->pdsch_config_common.referenceSignalPower, // dBm/RE
0,
&ru_amp[ru_id],
&sim->ru_amp[ru_id],
frame_parms->N_RB_DL*12);
}
#ifdef DEBUG_SIM
@@ -199,26 +185,26 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
0)/(12.0*frame_parms->N_RB_DL);
//RU2UE[eNB_id][UE_id]->path_loss_dB = 0;
multipath_channel(RU2UE[ru_id][UE_id][CC_id],s_re,s_im,r_re0,r_im0,
multipath_channel(sim->RU2UE[ru_id][UE_id][CC_id],s_re,s_im,r_re0,r_im0,
length,hold_channel);
#ifdef DEBUG_SIM
rx_pwr = signal_energy_fp2(RU2UE[ru_id][UE_id][CC_id]->ch[0],
RU2UE[ru_id][UE_id][CC_id]->channel_length)*RU2UE[ru_id][UE_id][CC_id]->channel_length;
rx_pwr = signal_energy_fp2(sim->RU2UE[ru_id][UE_id][CC_id]->ch[0],
sim->RU2UE[ru_id][UE_id][CC_id]->channel_length)*sim->RU2UE[ru_id][UE_id][CC_id]->channel_length;
LOG_D(OCM,"[SIM][DL] Channel RU %d => UE %d (CCid %d): Channel gain %f dB (%f)\n",ru_id,UE_id,CC_id,10*log10(rx_pwr),rx_pwr);
#endif
#ifdef DEBUG_SIM
for (i=0; i<RU2UE[ru_id][UE_id][CC_id]->channel_length; i++)
LOG_D(OCM,"channel(%d,%d)[%d] : (%f,%f)\n",ru_id,UE_id,i,RU2UE[ru_id][UE_id][CC_id]->ch[0][i].x,RU2UE[ru_id][UE_id][CC_id]->ch[0][i].y);
for (i=0; i<sim->RU2UE[ru_id][UE_id][CC_id]->channel_length; i++)
LOG_D(OCM,"channel(%d,%d)[%d] : (%f,%f)\n",ru_id,UE_id,i,sim->RU2UE[ru_id][UE_id][CC_id]->ch[0][i].x,sim->RU2UE[ru_id][UE_id][CC_id]->ch[0][i].y);
#endif
LOG_D(OCM,"[SIM][DL] Channel RU %d => UE %d (CCid %d): tx_power %.1f dBm/RE, path_loss %1.f dB\n",
ru_id,UE_id,CC_id,
(double)frame_parms->pdsch_config_common.referenceSignalPower,
RU2UE[ru_id][UE_id][CC_id]->path_loss_dB);
sim->RU2UE[ru_id][UE_id][CC_id]->path_loss_dB);
#ifdef DEBUG_SIM
rx_pwr = signal_energy_fp(r_re0,r_im0,nb_antennas_rx,
@@ -233,13 +219,13 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
LOG_D(OCM,"[SIM][DL] UE %d : rx_pwr (noise) -132 dBm/RE (N0fs = %.1f dBm, N0B = %.1f dBm) for subframe %d\n",
UE_id,
10*log10(RU2UE[ru_id][UE_id][CC_id]->sampling_rate*1e6)-174,
10*log10(RU2UE[ru_id][UE_id][CC_id]->sampling_rate*1e6*12*frame_parms->N_RB_DL/(double)frame_parms->ofdm_symbol_size)-174,
10*log10(sim->RU2UE[ru_id][UE_id][CC_id]->sampling_rate*1e6)-174,
10*log10(sim->RU2UE[ru_id][UE_id][CC_id]->sampling_rate*1e6*12*frame_parms->N_RB_DL/(double)frame_parms->ofdm_symbol_size)-174,
subframe);
#endif
if (RU2UE[ru_id][UE_id][CC_id]->first_run == 1)
RU2UE[ru_id][UE_id][CC_id]->first_run = 0;
if (sim->RU2UE[ru_id][UE_id][CC_id]->first_run == 1)
sim->RU2UE[ru_id][UE_id][CC_id]->first_run = 0;
// RF model
@@ -252,7 +238,7 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
r_im0,
nb_antennas_rx,
length,
1e3/RU2UE[ru_id][UE_id][CC_id]->sampling_rate, // sampling time (ns)
1e3/sim->RU2UE[ru_id][UE_id][CC_id]->sampling_rate, // sampling time (ns)
(double)PHY_vars_UE_g[UE_id][CC_id]->rx_total_gain_dB - 66.227); // rx_gain (dB) (66.227 = 20*log10(pow2(11)) = gain from the adc that will be applied later)
#ifdef DEBUG_SIM
@@ -266,21 +252,21 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
#endif
pthread_mutex_lock(&RU_output_mutex[UE_id]);
pthread_mutex_lock(&sim->RU_output_mutex[UE_id]);
for (i=0; i<frame_parms->samples_per_tti; i++) {
for (aa=0; aa<nb_antennas_rx; aa++) {
r_re_DL[UE_id][aa][i]+=r_re0[aa][i];
r_im_DL[UE_id][aa][i]+=r_im0[aa][i];
sim->r_re_DL[UE_id][aa][i]+=r_re0[aa][i];
sim->r_im_DL[UE_id][aa][i]+=r_im0[aa][i];
}
}
RU_output_mask[UE_id] |= (1<<ru_id);
if (RU_output_mask[UE_id] == (1<<RC.nb_RU)-1) {
RU_output_mask[UE_id]=0;
sim->RU_output_mask[UE_id] |= (1<<ru_id);
if (sim->RU_output_mask[UE_id] == (1<<RC.nb_RU)-1) {
sim->RU_output_mask[UE_id]=0;
double *r_re_p[2] = {r_re_DL[UE_id][0],r_re_DL[UE_id][1]};
double *r_im_p[2] = {r_im_DL[UE_id][0],r_im_DL[UE_id][1]};
double *r_re_p[2] = {sim->r_re_DL[UE_id][0],sim->r_re_DL[UE_id][1]};
double *r_im_p[2] = {sim->r_im_DL[UE_id][0],sim->r_im_DL[UE_id][1]};
#ifdef DEBUG_SIM
rx_pwr = signal_energy_fp(r_re_p,r_im_p,nb_antennas_rx,length<length_meas?length:length_meas,0)/(12.0*frame_parms->N_RB_DL);
@@ -311,7 +297,7 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
#endif
} // RU_output_mask
pthread_mutex_unlock(&RU_output_mutex[UE_id]);
pthread_mutex_unlock(&sim->RU_output_mutex[UE_id]);
} // ru_id
}
@@ -319,7 +305,7 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM_CCs],
void do_UL_sig(sim_t *sim,
uint16_t subframe,uint8_t abstraction_flag,LTE_DL_FRAME_PARMS *frame_parms,
uint32_t frame,int ru_id,uint8_t CC_id)
{
@@ -327,8 +313,8 @@ void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM
int32_t **txdata,**rxdata;
uint8_t UE_id=0;
uint8_t nb_antennas_rx = UE2RU[0][0][CC_id]->nb_rx; // number of rx antennas at eNB
uint8_t nb_antennas_tx = UE2RU[0][0][CC_id]->nb_tx; // number of tx antennas at UE
uint8_t nb_antennas_rx = sim->UE2RU[0][0][CC_id]->nb_rx; // number of rx antennas at eNB
uint8_t nb_antennas_tx = sim->UE2RU[0][0][CC_id]->nb_tx; // number of tx antennas at UE
double tx_pwr, rx_pwr;
int32_t rx_pwr2;
@@ -360,15 +346,15 @@ void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM
r_re0[1] = r_re01;
r_im0[1] = r_im01;
pthread_mutex_lock(&UE_output_mutex[ru_id]);
pthread_mutex_lock(&sim->UE_output_mutex[ru_id]);
// Clear RX signal for eNB = eNB_id
for (i=0; i<frame_parms->samples_per_tti; i++) {
for (aa=0; aa<nb_antennas_rx; aa++) {
r_re_UL[ru_id][aa][i]=0.0;
r_im_UL[ru_id][aa][i]=0.0;
sim->r_re_UL[ru_id][aa][i]=0.0;
sim->r_im_UL[ru_id][aa][i]=0.0;
}
}
pthread_mutex_unlock(&UE_output_mutex[ru_id]);
pthread_mutex_unlock(&sim->UE_output_mutex[ru_id]);
// Compute RX signal for eNB = eNB_id
for (UE_id=0; UE_id<NB_UE_INST; UE_id++) {
@@ -377,7 +363,7 @@ void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM
AssertFatal(txdata != NULL,"txdata is null\n");
sf_offset = subframe*frame_parms->samples_per_tti;
if (((double)PHY_vars_UE_g[UE_id][CC_id]->tx_power_dBm[subframe] +
UE2RU[UE_id][ru_id][CC_id]->path_loss_dB) <= -125.0) {
sim->UE2RU[UE_id][ru_id][CC_id]->path_loss_dB) <= -125.0) {
// don't simulate a UE that is too weak
LOG_D(OCM,"[SIM][UL] ULPOWERS UE %d tx_pwr %d dBm (num_RE %d) for subframe %d (sf_offset %d)\n",
UE_id,
@@ -406,20 +392,20 @@ void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM
subframe,sf_offset);
multipath_channel(UE2RU[UE_id][ru_id][CC_id],s_re,s_im,r_re0,r_im0,
multipath_channel(sim->UE2RU[UE_id][ru_id][CC_id],s_re,s_im,r_re0,r_im0,
frame_parms->samples_per_tti,hold_channel);
rx_pwr = signal_energy_fp2(UE2RU[UE_id][ru_id][CC_id]->ch[0],
UE2RU[UE_id][ru_id][CC_id]->channel_length)*UE2RU[UE_id][ru_id][CC_id]->channel_length;
rx_pwr = signal_energy_fp2(sim->UE2RU[UE_id][ru_id][CC_id]->ch[0],
sim->UE2RU[UE_id][ru_id][CC_id]->channel_length)*sim->UE2RU[UE_id][ru_id][CC_id]->channel_length;
LOG_D(OCM,"[SIM][UL] subframe %d Channel UE %d => RU %d : %f dB (hold %d,length %d, PL %f)\n",subframe,UE_id,ru_id,10*log10(rx_pwr),
hold_channel,UE2RU[UE_id][ru_id][CC_id]->channel_length,
UE2RU[UE_id][ru_id][CC_id]->path_loss_dB);
hold_channel,sim->UE2RU[UE_id][ru_id][CC_id]->channel_length,
sim->UE2RU[UE_id][ru_id][CC_id]->path_loss_dB);
rx_pwr = signal_energy_fp(r_re0,r_im0,nb_antennas_rx,frame_parms->samples_per_tti,0);
LOG_D(OCM,"[SIM][UL] RU %d (%d/%d rx antennas) : rx_pwr %f dBm (tx_pwr - PL %f) for subframe %d, sptti %d\n",
ru_id,nb_antennas_rx,UE2RU[UE_id][ru_id][CC_id]->nb_rx,10*log10(rx_pwr),10*log10(tx_pwr*PHY_vars_UE_g[UE_id][CC_id]->tx_total_RE[subframe])+UE2RU[UE_id][ru_id][CC_id]->path_loss_dB,subframe,frame_parms->samples_per_tti);
ru_id,nb_antennas_rx,sim->UE2RU[UE_id][ru_id][CC_id]->nb_rx,10*log10(rx_pwr),10*log10(tx_pwr*PHY_vars_UE_g[UE_id][CC_id]->tx_total_RE[subframe])+sim->UE2RU[UE_id][ru_id][CC_id]->path_loss_dB,subframe,frame_parms->samples_per_tti);
/*
if (abs(10*log10(rx_pwr)-10*log10(tx_pwr*PHY_vars_UE_g[UE_id][CC_id]->tx_total_RE[subframe])-UE2RU[UE_id][ru_id][CC_id]->path_loss_dB)>3) {
write_output("txsig_re.m","s_re",s_re[0],frame_parms->samples_per_tti,1,7);
@@ -429,23 +415,23 @@ void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM
exit(-1);
}*/
if (UE2RU[UE_id][ru_id][CC_id]->first_run == 1)
UE2RU[UE_id][ru_id][CC_id]->first_run = 0;
if (sim->UE2RU[UE_id][ru_id][CC_id]->first_run == 1)
sim->UE2RU[UE_id][ru_id][CC_id]->first_run = 0;
pthread_mutex_lock(&UE_output_mutex[ru_id]);
pthread_mutex_lock(&sim->UE_output_mutex[ru_id]);
for (aa=0; aa<nb_antennas_rx; aa++) {
for (i=0; i<frame_parms->samples_per_tti; i++) {
r_re_UL[ru_id][aa][i]+=r_re0[aa][i];
r_im_UL[ru_id][aa][i]+=r_im0[aa][i];
sim->r_re_UL[ru_id][aa][i]+=r_re0[aa][i];
sim->r_im_UL[ru_id][aa][i]+=r_im0[aa][i];
}
}
pthread_mutex_unlock(&UE_output_mutex[ru_id]);
pthread_mutex_unlock(&sim->UE_output_mutex[ru_id]);
}
} //UE_id
double *r_re_p[2] = {r_re_UL[ru_id][0],r_re_UL[ru_id][1]};
double *r_im_p[2] = {r_im_UL[ru_id][0],r_im_UL[ru_id][1]};
double *r_re_p[2] = {sim->r_re_UL[ru_id][0],sim->r_re_UL[ru_id][1]};
double *r_im_p[2] = {sim->r_im_UL[ru_id][0],sim->r_im_UL[ru_id][1]};
rx_pwr = signal_energy_fp(r_re_p,r_im_p,nb_antennas_rx,frame_parms->samples_per_tti,0);
LOG_D(OCM,"[SIM][UL] RU %d (%d/%d rx antennas) : rx_pwr %f dBm (before RF) for subframe %d, gain %f\n",
@@ -455,7 +441,7 @@ void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM
r_im_p,
nb_antennas_rx,
frame_parms->samples_per_tti,
1e3/UE2RU[0][ru_id][CC_id]->sampling_rate, // sampling time (ns)
1e3/sim->UE2RU[0][ru_id][CC_id]->sampling_rate, // sampling time (ns)
(double)RC.ru[ru_id]->max_rxgain-(double)RC.ru[ru_id]->att_rx - 66.227); // rx_gain (dB) (66.227 = 20*log10(pow2(11)) = gain from the adc that will be applied later)
#ifdef DEBUG_SIM
openair1/SIMULATION/TOOLS/sim.h
+30 -3
View File
@@ -22,7 +22,7 @@
#ifndef __SIMULATION_TOOLS_DEFS_H__
#define __SIMULATION_TOOLS_DEFS_H__
#include "PHY/defs_common.h"
#include <pthread.h>
/** @defgroup _numerical_ Useful Numerical Functions
*@{
The present clause specifies several numerical functions for testing of digital communication systems.
@@ -181,6 +181,31 @@ typedef enum {
EPA_high,
} SCM_t;
#include "platform_constants.h"
typedef struct {
channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM_CCs];
channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM_CCs];
double r_re_DL[NUMBER_OF_UE_MAX][2][30720];
double r_im_DL[NUMBER_OF_UE_MAX][2][30720];
double r_re_UL[NUMBER_OF_eNB_MAX][2][30720];
double r_im_UL[NUMBER_OF_eNB_MAX][2][30720];
int RU_output_mask[NUMBER_OF_UE_MAX];
int UE_output_mask[NUMBER_OF_RU_MAX];
pthread_mutex_t RU_output_mutex[NUMBER_OF_UE_MAX];
pthread_mutex_t UE_output_mutex[NUMBER_OF_RU_MAX];
pthread_mutex_t subframe_mutex;
int subframe_ru_mask;
int subframe_UE_mask;
openair0_timestamp current_ru_rx_timestamp[NUMBER_OF_RU_MAX][MAX_NUM_CCs];
openair0_timestamp current_UE_rx_timestamp[MAX_MOBILES_PER_ENB][MAX_NUM_CCs];
openair0_timestamp last_ru_rx_timestamp[NUMBER_OF_RU_MAX][MAX_NUM_CCs];
openair0_timestamp last_UE_rx_timestamp[MAX_MOBILES_PER_ENB][MAX_NUM_CCs];
double ru_amp[NUMBER_OF_RU_MAX];
pthread_t rfsim_thread;
} sim_t;
/**
\brief This routine initializes a new channel descriptor
\param nb_tx Number of TX antennas
@@ -373,7 +398,9 @@ void multipath_tv_channel(channel_desc_t *desc,
double N_RB2sampling_rate(uint16_t N_RB);
double N_RB2channel_bandwidth(uint16_t N_RB);
void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM_CCs],
#include "targets/RT/USER/rfsim.h"
void do_DL_sig(sim_t *sim,
uint16_t subframe,
uint32_t offset,
uint32_t length,
@@ -381,7 +408,7 @@ void do_DL_sig(channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM
uint8_t UE_id,
int CC_id);
void do_UL_sig(channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM_CCs],
void do_UL_sig(sim_t *sim,
uint16_t subframe,uint8_t abstraction_flag,LTE_DL_FRAME_PARMS *frame_parms,
uint32_t frame,int ru_id,uint8_t CC_id);
openair2/LAYER2/MAC/rar_tools_ue.c
+1 -1
View File
@@ -93,7 +93,7 @@ uint16_t ue_process_rar(const module_id_t module_idP, const int CC_id, const fra
}
LOG_I(MAC,
"[eNB %d][RAPROC] Frame %d Received RAR (%02x|%02x.%02x.%02x.%02x.%02x.%02x) for preamble %d/%d\n",
"[UE %d][RAPROC] Frame %d Received RAR (%02x|%02x.%02x.%02x.%02x.%02x.%02x) for preamble %d/%d\n",
module_idP, frameP, *(uint8_t *) rarh, rar[0], rar[1], rar[2],
rar[3], rar[4], rar[5], rarh->RAPID, preamble_index);
#ifdef DEBUG_RAR
targets/RT/USER/lte-softmodem.h
+3 -1
View File
@@ -53,6 +53,7 @@
#define CONFIG_HLP_CALPRACH "UE run normal prach with maximum power, but don't continue random-access\n"
#define CONFIG_HLP_NOL2CN "bypass L2 and upper layers\n"
#define CONFIG_HLP_SIML1 "activate RF simulator instead of HW\n"
#define CONFIG_HLP_NUMUE "number of UE instances\n"
#define CONFIG_HLP_UERXG "set UE RX gain\n"
#define CONFIG_HLP_UERXGOFF "external UE amplifier offset\n"
#define CONFIG_HLP_UETXG "set UE TX gain\n"
@@ -134,6 +135,7 @@
/*--------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_UEPARAMS_DESC { \
{"siml1", CONFIG_HLP_SIML1, PARAMFLAG_BOOL, iptr:&simL1flag, defintval:0, TYPE_INT, 0}, \
{"U", CONFIG_HLP_NUMUE, 0, u8ptr:&NB_UE_INST, defuintval:1, TYPE_UINT, 0}, \
{"ue-rxgain", CONFIG_HLP_UERXG, 0, dblptr:&(rx_gain[0][0]), defdblval:130, TYPE_DOUBLE, 0}, \
{"ue-rxgain-off", CONFIG_HLP_UERXGOFF, 0, dblptr:&rx_gain_off, defdblval:0, TYPE_DOUBLE, 0}, \
{"ue-txgain", CONFIG_HLP_UETXG, 0, dblptr:&(tx_gain[0][0]), defdblval:0, TYPE_DOUBLE, 0}, \
@@ -290,7 +292,7 @@ extern void kill_te_thread(PHY_VARS_eNB *);
extern void RCConfig_sim(void);
extern void init_ocm(double,double);
extern void init_ue_devices(void);
extern void init_ue_devices(PHY_VARS_UE *);
PHY_VARS_UE* init_ue_vars(LTE_DL_FRAME_PARMS *frame_parms,
uint8_t UE_id,
targets/RT/USER/lte-ue.c
+2 -10
View File
@@ -254,7 +254,7 @@ void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correcti
for (inst=0;inst<nb_inst;inst++) {
if (PHY_vars_UE_g[inst]==NULL) PHY_vars_UE_g[inst] = (PHY_VARS_UE**)calloc(1+MAX_NUM_CCs,sizeof(PHY_VARS_UE*));
LOG_I(PHY,"Allocating UE context %d\n",inst);
if (simL1flag == 0) PHY_vars_UE_g[inst][0] = init_ue_vars(NULL,inst,0);
else {
@@ -307,7 +307,7 @@ void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correcti
UE->frame_parms.nb_antennas_tx = nb_tx;
UE->frame_parms.nb_antennas_rx = nb_rx;
if (simL1flag == 1) init_ue_devices();
if (simL1flag == 1) init_ue_devices(UE);
LOG_I(PHY,"Intializing UE Threads for instance %d (%p,%p)...\n",inst,PHY_vars_UE_g[inst],PHY_vars_UE_g[inst][0]);
init_UE_threads(inst);
@@ -327,14 +327,6 @@ void init_UE(int nb_inst,int eMBMS_active, int uecap_xer_in, int timing_correcti
}
printf("UE threads created by %ld\n", gettid());
#if 0
#if defined(ENABLE_USE_MME)
extern volatile int start_UE;
while (start_UE == 0) {
sleep(1);
}
#endif
#endif
}
// Panos: Initiating all UEs within a single set of threads for PHY_STUB. Future extensions -> multiple
targets/RT/USER/lte-uesoftmodem.c
+6 -2
View File
@@ -817,7 +817,11 @@ int main( int argc, char **argv )
get_options ();
printf("Running with %d UE instances\n",NB_UE_INST);
if (NB_UE_INST > 1 && simL1flag != 1) {
printf("Running with more than 1 UE instance and simL1 is not active, this will result in undefined behaviour for now, exiting.\n");
abort();
}
printf("NFAPI_MODE value: %d \n", nfapi_mode);
@@ -970,7 +974,7 @@ int main( int argc, char **argv )
init_UE_stub_single_thread(NB_UE_INST,eMBMS_active,uecap_xer_in,emul_iface);
}
else {
init_UE(1,eMBMS_active,uecap_xer_in,0,phy_test,UE_scan,UE_scan_carrier,mode,(int)rx_gain[0][0],tx_max_power[0],
init_UE(NB_UE_INST,eMBMS_active,uecap_xer_in,0,phy_test,UE_scan,UE_scan_carrier,mode,(int)rx_gain[0][0],tx_max_power[0],
frame_parms[0]->nb_antennas_rx,
frame_parms[0]->nb_antennas_tx);
}
targets/RT/USER/rfsim.c
+97 -140
View File
@@ -57,24 +57,7 @@ extern PHY_VARS_UE ***PHY_vars_UE_g;
// put all of these in a common structure after
channel_desc_t *RU2UE[NUMBER_OF_RU_MAX][NUMBER_OF_UE_MAX][MAX_NUM_CCs];
channel_desc_t *UE2RU[NUMBER_OF_UE_MAX][NUMBER_OF_RU_MAX][MAX_NUM_CCs];
double r_re_DL[NUMBER_OF_UE_MAX][2][30720];
double r_im_DL[NUMBER_OF_UE_MAX][2][30720];
double r_re_UL[NUMBER_OF_eNB_MAX][2][30720];
double r_im_UL[NUMBER_OF_eNB_MAX][2][30720];
int RU_output_mask[NUMBER_OF_UE_MAX];
int UE_output_mask[NUMBER_OF_RU_MAX];
pthread_mutex_t RU_output_mutex[NUMBER_OF_UE_MAX];
pthread_mutex_t UE_output_mutex[NUMBER_OF_RU_MAX];
pthread_mutex_t subframe_mutex;
int subframe_ru_mask=0,subframe_UE_mask=0;
openair0_timestamp current_ru_rx_timestamp[NUMBER_OF_RU_MAX][MAX_NUM_CCs];
openair0_timestamp current_UE_rx_timestamp[MAX_MOBILES_PER_ENB][MAX_NUM_CCs];
openair0_timestamp last_ru_rx_timestamp[NUMBER_OF_RU_MAX][MAX_NUM_CCs];
openair0_timestamp last_UE_rx_timestamp[MAX_MOBILES_PER_ENB][MAX_NUM_CCs];
double ru_amp[NUMBER_OF_RU_MAX];
pthread_t rfsim_thread;
sim_t sim;
void init_ru_devices(void);
@@ -96,32 +79,11 @@ void wait_RUs(void)
// copy frame parameters from RU to UEs
for (i=0;i<NB_UE_INST;i++) {
/*
PHY_vars_UE_g[i][0]->frame_parms.N_RB_DL = RC.ru[0]->frame_parms.N_RB_DL;
PHY_vars_UE_g[i][0]->frame_parms.N_RB_UL = RC.ru[0]->frame_parms.N_RB_UL;
PHY_vars_UE_g[i][0]->frame_parms.nb_antennas_tx = 1;
PHY_vars_UE_g[i][0]->frame_parms.nb_antennas_rx = 1;
// set initially to 2, it will be revised after initial synchronization
PHY_vars_UE_g[i][0]->frame_parms.nb_antenna_ports_eNB = 2;
PHY_vars_UE_g[i][0]->frame_parms.tdd_config = 1;
PHY_vars_UE_g[i][0]->frame_parms.dl_CarrierFreq = RC.ru[0]->frame_parms.dl_CarrierFreq;
PHY_vars_UE_g[i][0]->frame_parms.ul_CarrierFreq = RC.ru[0]->frame_parms.ul_CarrierFreq;
PHY_vars_UE_g[i][0]->frame_parms.eutra_band = RC.ru[0]->frame_parms.eutra_band;
LOG_I(PHY,"Initializing UE %d frame parameters from RU information: N_RB_DL %d, p %d, dl_Carrierfreq %u, ul_CarrierFreq %u, eutra_band %d\n",
i,
PHY_vars_UE_g[i][0]->frame_parms.N_RB_DL,
PHY_vars_UE_g[i][0]->frame_parms.nb_antenna_ports_eNB,
PHY_vars_UE_g[i][0]->frame_parms.dl_CarrierFreq,
PHY_vars_UE_g[i][0]->frame_parms.ul_CarrierFreq,
PHY_vars_UE_g[i][0]->frame_parms.eutra_band);
*/
current_UE_rx_timestamp[i][0] = RC.ru[0]->frame_parms.samples_per_tti + RC.ru[0]->frame_parms.ofdm_symbol_size + RC.ru[0]->frame_parms.nb_prefix_samples0;
sim.current_UE_rx_timestamp[i][0] = RC.ru[0]->frame_parms.samples_per_tti + RC.ru[0]->frame_parms.ofdm_symbol_size + RC.ru[0]->frame_parms.nb_prefix_samples0;
}
for (int ru_id=0;ru_id<RC.nb_RU;ru_id++) current_ru_rx_timestamp[ru_id][0] = RC.ru[ru_id]->frame_parms.samples_per_tti;
for (int ru_id=0;ru_id<RC.nb_RU;ru_id++) sim.current_ru_rx_timestamp[ru_id][0] = RC.ru[ru_id]->frame_parms.samples_per_tti;
printf("RUs are ready, let's go\n");
}
@@ -153,7 +115,7 @@ void RCConfig_sim(void) {
static int nframes = 100000;
AssertFatal(0 == pthread_create(&rfsim_thread,
AssertFatal(0 == pthread_create(&sim.rfsim_thread,
NULL,
rfsim_top,
(void*)&nframes), "");
@@ -207,31 +169,31 @@ int ru_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
int subframe;
int sample_count=0;
*ptimestamp = last_ru_rx_timestamp[ru_id][CC_id];
*ptimestamp = sim.last_ru_rx_timestamp[ru_id][CC_id];
LOG_D(SIM,"RU_trx_read nsamps %d TS(%llu,%llu) => subframe %d\n",nsamps,
(unsigned long long)current_ru_rx_timestamp[ru_id][CC_id],
(unsigned long long)last_ru_rx_timestamp[ru_id][CC_id],
(unsigned long long)sim.current_ru_rx_timestamp[ru_id][CC_id],
(unsigned long long)sim.last_ru_rx_timestamp[ru_id][CC_id],
(int)((*ptimestamp/RC.ru[ru_id]->frame_parms.samples_per_tti)%10));
// if we're at a subframe boundary generate UL signals for this ru
while (sample_count<nsamps) {
while (current_ru_rx_timestamp[ru_id][CC_id]<
(nsamps+last_ru_rx_timestamp[ru_id][CC_id])) {
LOG_D(SIM,"RU: current TS %"PRIi64", last TS %"PRIi64", sleeping\n",current_ru_rx_timestamp[ru_id][CC_id],last_ru_rx_timestamp[ru_id][CC_id]);
while (sim.current_ru_rx_timestamp[ru_id][CC_id]<
(nsamps+sim.last_ru_rx_timestamp[ru_id][CC_id])) {
LOG_D(SIM,"RU: current TS %"PRIi64", last TS %"PRIi64", sleeping\n",sim.current_ru_rx_timestamp[ru_id][CC_id],sim.last_ru_rx_timestamp[ru_id][CC_id]);
usleep(500);
}
subframe = (last_ru_rx_timestamp[ru_id][CC_id]/RC.ru[ru_id]->frame_parms.samples_per_tti)%10;
subframe = (sim.last_ru_rx_timestamp[ru_id][CC_id]/RC.ru[ru_id]->frame_parms.samples_per_tti)%10;
if (subframe_select(&RC.ru[ru_id]->frame_parms,subframe) != SF_DL || RC.ru[ru_id]->frame_parms.frame_type == FDD) {
LOG_D(SIM,"RU_trx_read generating UL subframe %d (Ts %llu, current TS %llu)\n",
subframe,(unsigned long long)*ptimestamp,
(unsigned long long)current_ru_rx_timestamp[ru_id][CC_id]);
(unsigned long long)sim.current_ru_rx_timestamp[ru_id][CC_id]);
do_UL_sig(UE2RU,
do_UL_sig(&sim,
subframe,
0, // abstraction_flag
&RC.ru[ru_id]->frame_parms,
@@ -239,7 +201,7 @@ int ru_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
ru_id,
CC_id);
}
last_ru_rx_timestamp[ru_id][CC_id] += RC.ru[ru_id]->frame_parms.samples_per_tti;
sim.last_ru_rx_timestamp[ru_id][CC_id] += RC.ru[ru_id]->frame_parms.samples_per_tti;
sample_count += RC.ru[ru_id]->frame_parms.samples_per_tti;
}
@@ -257,14 +219,14 @@ int UE_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
int read_size;
int sptti = PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti;
*ptimestamp = last_UE_rx_timestamp[UE_id][CC_id];
*ptimestamp = sim.last_UE_rx_timestamp[UE_id][CC_id];
LOG_D(SIM,"UE %d DL simulation 0: UE_trx_read nsamps %d TS %llu (%llu, offset %d) antenna %d\n",
LOG_D(PHY,"UE %d DL simulation 0: UE_trx_read nsamps %d TS %llu (%llu, offset %d) antenna %d\n",
UE_id,
nsamps,
(unsigned long long)current_UE_rx_timestamp[UE_id][CC_id],
(unsigned long long)last_UE_rx_timestamp[UE_id][CC_id],
(int)(last_UE_rx_timestamp[UE_id][CC_id]%sptti),
(unsigned long long)sim.current_UE_rx_timestamp[UE_id][CC_id],
(unsigned long long)sim.last_UE_rx_timestamp[UE_id][CC_id],
(int)(sim.last_UE_rx_timestamp[UE_id][CC_id]%sptti),
cc);
@@ -274,49 +236,49 @@ int UE_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
read_size = sptti;
while (sample_count<nsamps) {
LOG_D(SIM,"UE %d: DL simulation 1: UE_trx_read : current TS now %"PRIi64", last TS %"PRIi64"\n",UE_id,current_UE_rx_timestamp[UE_id][CC_id],last_UE_rx_timestamp[UE_id][CC_id]);
while (current_UE_rx_timestamp[UE_id][CC_id] <
(last_UE_rx_timestamp[UE_id][CC_id]+read_size)) {
LOG_D(SIM,"UE %d: DL simulation 2: UE_trx_read : current TS %"PRIi64", last TS %"PRIi64", sleeping\n",UE_id,current_UE_rx_timestamp[UE_id][CC_id],last_UE_rx_timestamp[UE_id][CC_id]);
LOG_D(SIM,"UE %d: DL simulation 1: UE_trx_read : current TS now %"PRIi64", last TS %"PRIi64"\n",UE_id,sim.current_UE_rx_timestamp[UE_id][CC_id],sim.last_UE_rx_timestamp[UE_id][CC_id]);
while (sim.current_UE_rx_timestamp[UE_id][CC_id] <
(sim.last_UE_rx_timestamp[UE_id][CC_id]+read_size)) {
LOG_D(SIM,"UE %d: DL simulation 2: UE_trx_read : current TS %"PRIi64", last TS %"PRIi64", sleeping\n",UE_id,sim.current_UE_rx_timestamp[UE_id][CC_id],sim.last_UE_rx_timestamp[UE_id][CC_id]);
usleep(500);
}
LOG_D(SIM,"UE %d: DL simulation 3: UE_trx_read : current TS now %"PRIi64", last TS %"PRIi64"\n",UE_id,current_UE_rx_timestamp[UE_id][CC_id],last_UE_rx_timestamp[UE_id][CC_id]);
LOG_D(SIM,"UE %d: DL simulation 3: UE_trx_read : current TS now %"PRIi64", last TS %"PRIi64"\n",UE_id,sim.current_UE_rx_timestamp[UE_id][CC_id],sim.last_UE_rx_timestamp[UE_id][CC_id]);
// if we cross a subframe-boundary
subframe = (last_UE_rx_timestamp[UE_id][CC_id]/sptti)%10;
subframe = (sim.last_UE_rx_timestamp[UE_id][CC_id]/sptti)%10;
// tell top-level we are busy
pthread_mutex_lock(&subframe_mutex);
subframe_UE_mask|=(1<<UE_id);
LOG_D(SIM,"Setting UE_id %d mask to busy (%d)\n",UE_id,subframe_UE_mask);
pthread_mutex_unlock(&subframe_mutex);
pthread_mutex_lock(&sim.subframe_mutex);
sim.subframe_UE_mask|=(1<<UE_id);
LOG_D(SIM,"Setting UE_id %d mask to busy (%d)\n",UE_id,sim.subframe_UE_mask);
pthread_mutex_unlock(&sim.subframe_mutex);
LOG_D(PHY,"UE %d: DL simulation 4: UE_trx_read generating DL subframe %d (Ts %llu, current TS %llu,nsamps %d)\n",
UE_id,subframe,(unsigned long long)*ptimestamp,
(unsigned long long)current_UE_rx_timestamp[UE_id][CC_id],
(unsigned long long)sim.current_UE_rx_timestamp[UE_id][CC_id],
nsamps);
LOG_D(SIM,"UE %d: DL simulation 5: Doing DL simulation for %d samples starting in subframe %d at offset %d\n",
UE_id,nsamps,subframe,
(int)(last_UE_rx_timestamp[UE_id][CC_id]%sptti));
(int)(sim.last_UE_rx_timestamp[UE_id][CC_id]%sptti));
do_DL_sig(RU2UE,
do_DL_sig(&sim,
subframe,
last_UE_rx_timestamp[UE_id][CC_id]%sptti,
sim.last_UE_rx_timestamp[UE_id][CC_id]%sptti,
sptti,
0, //abstraction_flag,
&PHY_vars_UE_g[UE_id][CC_id]->frame_parms,
UE_id,
CC_id);
LOG_D(SIM,"UE %d: DL simulation 6: UE_trx_read @ TS %"PRIi64" (%"PRIi64")=> frame %d, subframe %d\n",
UE_id, current_UE_rx_timestamp[UE_id][CC_id],
last_UE_rx_timestamp[UE_id][CC_id],
(int)((last_UE_rx_timestamp[UE_id][CC_id]/(sptti*10))&1023),
LOG_D(PHY,"UE %d: DL simulation 6: UE_trx_read @ TS %"PRIi64" (%"PRIi64")=> frame %d, subframe %d\n",
UE_id, sim.current_UE_rx_timestamp[UE_id][CC_id],
sim.last_UE_rx_timestamp[UE_id][CC_id],
(int)((sim.last_UE_rx_timestamp[UE_id][CC_id]/(sptti*10))&1023),
subframe);
last_UE_rx_timestamp[UE_id][CC_id] += read_size;
sim.last_UE_rx_timestamp[UE_id][CC_id] += read_size;
sample_count += read_size;
@@ -335,25 +297,25 @@ int ru_trx_write(openair0_device *device,openair0_timestamp timestamp, void **bu
LTE_DL_FRAME_PARMS *frame_parms = &RC.ru[ru_id]->frame_parms;
pthread_mutex_lock(&subframe_mutex);
LOG_D(SIM,"[TXPATH] ru_trx_write: RU %d mask %d\n",ru_id,subframe_ru_mask);
pthread_mutex_unlock(&subframe_mutex);
pthread_mutex_lock(&sim.subframe_mutex);
LOG_D(SIM,"[TXPATH] ru_trx_write: RU %d mask %d\n",ru_id,sim.subframe_ru_mask);
pthread_mutex_unlock(&sim.subframe_mutex);
// compute amplitude of TX signal from first symbol in subframe
// note: assumes that the packet is an entire subframe
ru_amp[ru_id] = 0;
sim.ru_amp[ru_id] = 0;
for (int aa=0; aa<RC.ru[ru_id]->nb_tx; aa++) {
ru_amp[ru_id] += (double)signal_energy((int32_t*)buff[aa],frame_parms->ofdm_symbol_size)/(12*frame_parms->N_RB_DL);
sim.ru_amp[ru_id] += (double)signal_energy((int32_t*)buff[aa],frame_parms->ofdm_symbol_size)/(12*frame_parms->N_RB_DL);
}
ru_amp[ru_id] = sqrt(ru_amp[ru_id]);
sim.ru_amp[ru_id] = sqrt(sim.ru_amp[ru_id]);
LOG_D(PHY,"Setting amp for RU %d to %f (%d)\n",ru_id,ru_amp[ru_id], dB_fixed((double)signal_energy((int32_t*)buff[0],frame_parms->ofdm_symbol_size)));
LOG_D(PHY,"Setting amp for RU %d to %f (%d)\n",ru_id,sim.ru_amp[ru_id], dB_fixed((double)signal_energy((int32_t*)buff[0],frame_parms->ofdm_symbol_size)));
// tell top-level we are done
pthread_mutex_lock(&subframe_mutex);
subframe_ru_mask|=(1<<ru_id);
pthread_mutex_lock(&sim.subframe_mutex);
sim.subframe_ru_mask|=(1<<ru_id);
LOG_D(SIM,"Setting RU %d to busy\n",ru_id);
pthread_mutex_unlock(&subframe_mutex);
pthread_mutex_unlock(&sim.subframe_mutex);
return(nsamps);
}
@@ -385,30 +347,25 @@ void init_ru_devices(){
ru->rfdevice.trx_stop_func = ru_trx_stop;
ru->rfdevice.trx_set_freq_func = ru_trx_set_freq;
ru->rfdevice.trx_set_gains_func = ru_trx_set_gains;
last_ru_rx_timestamp[ru_id][0] = 0;
sim.last_ru_rx_timestamp[ru_id][0] = 0;
}
}
void init_ue_devices() {
void init_ue_devices(PHY_VARS_UE *UE) {
AssertFatal(PHY_vars_UE_g!=NULL,"Top-level structure for UE is null\n");
for (int UE_id=0;UE_id<NB_UE_INST;UE_id++) {
AssertFatal(PHY_vars_UE_g[UE_id]!=NULL,"UE %d context is not allocated\n",UE_id);
printf("Initializing UE %d\n",UE_id);
for (int CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.Mod_id = UE_id;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.CC_id = CC_id;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.trx_start_func = UE_trx_start;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.trx_read_func = UE_trx_read;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.trx_write_func = UE_trx_write;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.trx_end_func = UE_trx_end;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.trx_stop_func = UE_trx_stop;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.trx_set_freq_func = UE_trx_set_freq;
PHY_vars_UE_g[UE_id][CC_id]->rfdevice.trx_set_gains_func = UE_trx_set_gains;
last_UE_rx_timestamp[UE_id][CC_id] = 0;
}
}
AssertFatal(UE!=NULL,"UE context is not allocated\n");
printf("Initializing UE %d.%d\n",UE->Mod_id,UE->CC_id);
UE->rfdevice.Mod_id = UE->Mod_id;
UE->rfdevice.CC_id = UE->CC_id;
UE->rfdevice.trx_start_func = UE_trx_start;
UE->rfdevice.trx_read_func = UE_trx_read;
UE->rfdevice.trx_write_func = UE_trx_write;
UE->rfdevice.trx_end_func = UE_trx_end;
UE->rfdevice.trx_stop_func = UE_trx_stop;
UE->rfdevice.trx_set_freq_func = UE_trx_set_freq;
UE->rfdevice.trx_set_gains_func = UE_trx_set_gains;
sim.last_UE_rx_timestamp[UE->Mod_id][UE->CC_id] = 0;
}
void init_ocm(double snr_dB,double sinr_dB)
@@ -430,7 +387,7 @@ void init_ocm(double snr_dB,double sinr_dB)
LOG_I(PHY,"Initializing channel descriptors (RU %d, UE %d) for N_RB_DL %d\n",ru_id,UE_id,
RC.ru[ru_id]->frame_parms.N_RB_DL);
RU2UE[ru_id][UE_id][CC_id] =
sim.RU2UE[ru_id][UE_id][CC_id] =
new_channel_desc_scm(RC.ru[ru_id]->nb_tx,
PHY_vars_UE_g[UE_id][CC_id]->frame_parms.nb_antennas_rx,
AWGN,
@@ -439,11 +396,11 @@ void init_ocm(double snr_dB,double sinr_dB)
0.0,
0,
0);
random_channel(RU2UE[ru_id][UE_id][CC_id],0);
random_channel(sim.RU2UE[ru_id][UE_id][CC_id],0);
LOG_D(OCM,"[SIM] Initializing channel (%s) from UE %d to ru %d\n", "AWGN",UE_id, ru_id);
UE2RU[UE_id][ru_id][CC_id] =
sim.UE2RU[UE_id][ru_id][CC_id] =
new_channel_desc_scm(PHY_vars_UE_g[UE_id][CC_id]->frame_parms.nb_antennas_tx,
RC.ru[ru_id]->nb_rx,
AWGN,
@@ -453,24 +410,24 @@ void init_ocm(double snr_dB,double sinr_dB)
0,
0);
random_channel(UE2RU[UE_id][ru_id][CC_id],0);
random_channel(sim.UE2RU[UE_id][ru_id][CC_id],0);
// to make channel reciprocal uncomment following line instead of previous. However this only works for SISO at the moment. For MIMO the channel would need to be transposed.
//UE2RU[UE_id][ru_id] = RU2UE[ru_id][UE_id];
AssertFatal(RU2UE[ru_id][UE_id][CC_id]!=NULL,"RU2UE[%d][%d][%d] is null\n",ru_id,UE_id,CC_id);
AssertFatal(UE2RU[UE_id][ru_id][CC_id]!=NULL,"UE2RU[%d][%d][%d] is null\n",UE_id,ru_id,CC_id);
AssertFatal(sim.RU2UE[ru_id][UE_id][CC_id]!=NULL,"RU2UE[%d][%d][%d] is null\n",ru_id,UE_id,CC_id);
AssertFatal(sim.UE2RU[UE_id][ru_id][CC_id]!=NULL,"UE2RU[%d][%d][%d] is null\n",UE_id,ru_id,CC_id);
//pathloss: -132.24 dBm/15kHz RE + target SNR - eNB TX power per RE
if (ru_id == (UE_id % RC.nb_RU)) {
RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
} else {
RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
}
LOG_I(OCM,"Path loss from eNB %d to UE %d (CCid %d)=> %f dB (eNB TX %d, SNR %f)\n",ru_id,UE_id,CC_id,
RU2UE[ru_id][UE_id][CC_id]->path_loss_dB,
sim.RU2UE[ru_id][UE_id][CC_id]->path_loss_dB,
RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower,snr_dB);
@@ -490,19 +447,19 @@ void update_ocm(double snr_dB,double sinr_dB)
for (UE_id = 0; UE_id < NB_UE_INST; UE_id++) {
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
AssertFatal(RU2UE[ru_id][UE_id][CC_id]!=NULL,"RU2UE[%d][%d][%d] is null\n",ru_id,UE_id,CC_id);
AssertFatal(UE2RU[UE_id][ru_id][CC_id]!=NULL,"UE2RU[%d][%d][%d] is null\n",UE_id,ru_id,CC_id);
AssertFatal(sim.RU2UE[ru_id][UE_id][CC_id]!=NULL,"RU2UE[%d][%d][%d] is null\n",ru_id,UE_id,CC_id);
AssertFatal(sim.UE2RU[UE_id][ru_id][CC_id]!=NULL,"UE2RU[%d][%d][%d] is null\n",UE_id,ru_id,CC_id);
//pathloss: -132.24 dBm/15kHz RE + target SNR - eNB TX power per RE
if (ru_id == (UE_id % RC.nb_RU)) {
RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + snr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
} else {
RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.RU2UE[ru_id][UE_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
sim.UE2RU[UE_id][ru_id][CC_id]->path_loss_dB = -132.24 + sinr_dB - RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower;
}
LOG_D(OCM,"Path loss from eNB %d to UE %d (CCid %d)=> %f dB (eNB TX %d, SNR %f)\n",ru_id,UE_id,CC_id,
RU2UE[ru_id][UE_id][CC_id]->path_loss_dB,
sim.RU2UE[ru_id][UE_id][CC_id]->path_loss_dB,
RC.ru[ru_id]->frame_parms.pdsch_config_common.referenceSignalPower,snr_dB);
}
@@ -516,13 +473,13 @@ void init_channel_vars(void)
int i;
memset(RU_output_mask,0,sizeof(int)*NUMBER_OF_UE_MAX);
memset(sim.RU_output_mask,0,sizeof(int)*NUMBER_OF_UE_MAX);
for (i=0;i<NB_UE_INST;i++)
pthread_mutex_init(&RU_output_mutex[i],NULL);
pthread_mutex_init(&sim.RU_output_mutex[i],NULL);
memset(UE_output_mask,0,sizeof(int)*NUMBER_OF_RU_MAX);
memset(sim.UE_output_mask,0,sizeof(int)*NUMBER_OF_RU_MAX);
for (i=0;i<RC.nb_RU;i++)
pthread_mutex_init(&UE_output_mutex[i],NULL);
pthread_mutex_init(&sim.UE_output_mutex[i],NULL);
}
@@ -544,32 +501,32 @@ void *rfsim_top(void *n_frames) {
int all_done=0;
while (all_done==0) {
pthread_mutex_lock(&subframe_mutex);
pthread_mutex_lock(&sim.subframe_mutex);
int subframe_ru_mask_local = (subframe_select(&RC.ru[0]->frame_parms,(sf+4)%10)!=SF_UL) ? subframe_ru_mask : ((1<<RC.nb_RU)-1);
int subframe_UE_mask_local = (RC.ru[0]->frame_parms.frame_type == FDD || subframe_select(&RC.ru[0]->frame_parms,(sf+4)%10)!=SF_DL) ? subframe_UE_mask : ((1<<NB_UE_INST)-1);
pthread_mutex_unlock(&subframe_mutex);
int subframe_ru_mask_local = (subframe_select(&RC.ru[0]->frame_parms,(sf+4)%10)!=SF_UL) ? sim.subframe_ru_mask : ((1<<RC.nb_RU)-1);
int subframe_UE_mask_local = (RC.ru[0]->frame_parms.frame_type == FDD || subframe_select(&RC.ru[0]->frame_parms,(sf+4)%10)!=SF_DL) ? sim.subframe_UE_mask : ((1<<NB_UE_INST)-1);
pthread_mutex_unlock(&sim.subframe_mutex);
LOG_D(SIM,"Frame %d, Subframe %d, NB_RU %d, NB_UE %d: Checking masks %x,%x\n",frame,sf,RC.nb_RU,NB_UE_INST,subframe_ru_mask_local,subframe_UE_mask_local);
if ((subframe_ru_mask_local == ((1<<RC.nb_RU)-1)) &&
(subframe_UE_mask_local == ((1<<NB_UE_INST)-1))) all_done=1;
else usleep(100);
else usleep(1500);
}
//clear subframe masks for next round
pthread_mutex_lock(&subframe_mutex);
subframe_ru_mask=0;
subframe_UE_mask=0;
pthread_mutex_unlock(&subframe_mutex);
pthread_mutex_lock(&sim.subframe_mutex);
sim.subframe_ru_mask=0;
sim.subframe_UE_mask=0;
pthread_mutex_unlock(&sim.subframe_mutex);
// increment timestamps
for (int ru_id=0;ru_id<RC.nb_RU;ru_id++) {
current_ru_rx_timestamp[ru_id][CC_id] += RC.ru[ru_id]->frame_parms.samples_per_tti;
LOG_D(SIM,"RU %d/%d: TS %"PRIi64"\n",ru_id,CC_id,current_ru_rx_timestamp[ru_id][CC_id]);
sim.current_ru_rx_timestamp[ru_id][CC_id] += RC.ru[ru_id]->frame_parms.samples_per_tti;
LOG_D(SIM,"RU %d/%d: TS %"PRIi64"\n",ru_id,CC_id,sim.current_ru_rx_timestamp[ru_id][CC_id]);
}
for (int UE_inst = 0; UE_inst<NB_UE_INST;UE_inst++) {
current_UE_rx_timestamp[UE_inst][CC_id] += PHY_vars_UE_g[UE_inst][CC_id]->frame_parms.samples_per_tti;
LOG_D(SIM,"UE %d/%d: TS %"PRIi64"\n",UE_inst,CC_id,current_UE_rx_timestamp[UE_inst][CC_id]);
sim.current_UE_rx_timestamp[UE_inst][CC_id] += PHY_vars_UE_g[UE_inst][CC_id]->frame_parms.samples_per_tti;
LOG_D(SIM,"UE %d/%d: TS %"PRIi64"\n",UE_inst,CC_id,sim.current_UE_rx_timestamp[UE_inst][CC_id]);
}
if (oai_exit == 1) return((void*)NULL);
}
targets/RT/USER/rfsim.h
+9 -1
View File
@@ -18,11 +18,19 @@
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#ifndef __SIM__H__
#define __SIM__H__
#include "lte-softmodem.h"
#include "openair1/SIMULATION/TOOLS/sim.h"
#include "platform_constants.h"
#include "common/ran_context.h"
#include "PHY/defs_UE.h"
#include "PHY/defs_eNB.h"
void init_ocm(double snr_dB,double sinr_dB);
void update_ocm(double snr_dB,double sinr_dB);
void init_channel_vars(void);
#endif