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OpenXG UE
Commit c2e7d80b authored by frtabu's avatar frtabu
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add telnet commands to show and modify channel simulation parameters

parent 8f28d4d5
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Showing with 147 additions and 24 deletions
cmake_targets/CMakeLists.txt
View file @ c2e7d80b
......@@ -2473,8 +2473,8 @@ add_library(uescope MODULE ${XFORMS_SOURCE} ${XFORMS_SOURCE_SOFTMODEM} ${XFORMS_
target_link_libraries(enbscope ${XFORMS_LIBRARIES})
target_link_libraries(uescope ${XFORMS_LIBRARIES})
add_library(gnbscope MODULE ${XFORMS_SOURCE_NR})
target_link_libraries(gnbscope ${XFORMS_LIBRARIES})
add_library(nrscope MODULE ${XFORMS_SOURCE_NR})
target_link_libraries(nrscope ${XFORMS_LIBRARIES})
add_library(rfsimulator MODULE
......
cmake_targets/build_oai
View file @ c2e7d80b
......@@ -67,7 +67,7 @@ UE_TIMING_TRACE="False"
USRP_REC_PLAY="False"
BUILD_ECLIPSE=0
NR="False"
OPTIONAL_LIBRARIES="telnetsrv enbscope uescope msc"
OPTIONAL_LIBRARIES="telnetsrv enbscope uescope nrscope msc"
trap handle_ctrl_c INT
function print_help() {
......
executables/nr-softmodem.c
View file @ c2e7d80b
......@@ -968,7 +968,7 @@ if(!IS_SOFTMODEM_NOS1)
p.argv=argv;
p.gNB=RC.gNB[0];
p.ru=RC.ru[0];
load_softscope("gnb",&p);
load_softscope("nr",&p);
}
if (nfapi_mode != 1 && nfapi_mode != 2) {
......
executables/nr-uesoftmodem.c
View file @ c2e7d80b
......@@ -152,9 +152,6 @@ char ref[128] = "internal";
char channels[128] = "0";
static char *parallel_config = NULL;
static char *worker_config = NULL;
int rx_input_level_dBm;
//static int online_log_messages=0;
......@@ -764,7 +761,7 @@ int main( int argc, char **argv ) {
mlockall(MCL_CURRENT | MCL_FUTURE);
if(IS_SOFTMODEM_DOFORMS) {
load_softscope("gnb",PHY_vars_UE_g[0][0]);
load_softscope("nr",PHY_vars_UE_g[0][0]);
}
number_of_cards = 1;
......
openair1/PHY/TOOLS/nr_phy_scope.c
View file @ c2e7d80b
......@@ -26,6 +26,7 @@
#include <stdlib.h>
#include "nr_phy_scope.h"
#include "executables/nr-softmodem-common.h"
#include "executables/softmodem-common.h"
#include <forms.h>
#define TPUT_WINDOW_LENGTH 100
......@@ -416,7 +417,7 @@ static void *scope_thread_gNB(void *arg) {
return NULL;
}
void gnbscope_autoinit(scopeParms_t *p) {
void gNBinitScope(scopeParms_t *p) {
static scopeParms_t parms;
memcpy(&parms,p,sizeof(parms));
pthread_t forms_thread;
......@@ -763,11 +764,20 @@ static void *nrUEscopeThread(void *arg) {
pthread_exit((void *)arg);
}
void nruescope_autoinit(PHY_VARS_NR_UE *ue) {
void nrUEinitScope(PHY_VARS_NR_UE *ue) {
pthread_t forms_thread;
threadCreate(&forms_thread, nrUEscopeThread, ue, "scope", -1, OAI_PRIORITY_RT_LOW);
}
void nrscope_autoinit(void *dataptr) {
AssertFatal( (IS_SOFTMODEM_GNB_BIT||IS_SOFTMODEM_5GUE_BIT),"Scope cannot find NRUE or GNB context");
if (IS_SOFTMODEM_GNB_BIT)
gNBinitScope(dataptr);
else
nrUEinitScope(dataptr);
}
// Kept to put back the functionality soon
#if 0
//FD_stats_form *form_stats=NULL,*form_stats_l2=NULL;
......@@ -795,6 +805,8 @@ static void reset_stats_gNB(FL_OBJECT *button,
}
}
static FD_stats_form *create_form_stats_form(int ID) {
FL_OBJECT *obj;
FD_stats_form *fdui = calloc(( sizeof *fdui ),1);
......
openair1/SIMULATION/TOOLS/random_channel.c
View file @ c2e7d80b
......@@ -45,8 +45,10 @@ static mapping channelmod_names[] = {
};
static int channelmod_show_cmd(char *buff, int debug, telnet_printfunc_t prnt);
static int channelmod_modify_cmd(char *buff, int debug, telnet_printfunc_t prnt);
static telnetshell_cmddef_t channelmod_cmdarray[] = {
{"show","",channelmod_show_cmd},
{"show","<predef,current>",channelmod_show_cmd},
{"modify","<channelid> <param> <value>",channelmod_modify_cmd},
{"","",NULL},
};
......@@ -56,7 +58,8 @@ static telnetshell_vardef_t channelmod_vardef[] = {
static double snr_dB=25;
static double sinr_dB=0;
static unsigned int max_chan;
static channel_desc_t** defined_channels;
void fill_channel_desc(channel_desc_t *chan_desc,
uint8_t nb_tx,
uint8_t nb_rx,
......@@ -281,10 +284,22 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
int32_t channel_offset,
double path_loss_dB) {
channel_desc_t *chan_desc = (channel_desc_t *)malloc(sizeof(channel_desc_t));
for(int i=0; i<max_chan;i++) {
if (defined_channels[i] == NULL) {
defined_channels[i]=chan_desc;
chan_desc->chan_idx=i;
break;
}
else {
AssertFatal(i<(max_chan-1),
"No more channel descriptors available, increase channelmod.max_chan parameter above %u\n",max_chan);
}
}
uint16_t i,j;
double sum_amps;
double aoa,ricean_factor,Td,maxDoppler;
int channel_length,nb_taps;
chan_desc->modelid = channel_model;
chan_desc->nb_tx = nb_tx;
chan_desc->nb_rx = nb_rx;
chan_desc->sampling_rate = sampling_rate;
......@@ -1295,6 +1310,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
void free_channel_desc_scm(channel_desc_t *ch) {
// Must be made cleanly, a lot of leaks...
defined_channels[ch->chan_idx]=NULL;
free(ch);
}
......@@ -1408,11 +1424,11 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) {
desc->ch[aarx+(aatx*desc->nb_rx)][k].y = 0.0;
for (l=0; l<desc->nb_taps; l++) {
if ((k - (desc->delays[l]*desc->sampling_rate) - NB_SAMPLES_CHANNEL_OFFSET) == 0)
if ((k - (desc->delays[l]*desc->sampling_rate) - desc->channel_offset) == 0)
s = 1.0;
else
s = sin(M_PI*(k - (desc->delays[l]*desc->sampling_rate) - NB_SAMPLES_CHANNEL_OFFSET))/
(M_PI*(k - (desc->delays[l]*desc->sampling_rate) - NB_SAMPLES_CHANNEL_OFFSET));
s = sin(M_PI*(k - (desc->delays[l]*desc->sampling_rate) - desc->channel_offset))/
(M_PI*(k - (desc->delays[l]*desc->sampling_rate) - desc->channel_offset));
desc->ch[aarx+(aatx*desc->nb_rx)][k].x += s*desc->a[l][aarx+(aatx*desc->nb_rx)].x;
desc->ch[aarx+(aatx*desc->nb_rx)][k].y += s*desc->a[l][aarx+(aatx*desc->nb_rx)].y;
......@@ -1491,13 +1507,99 @@ double N_RB2channel_bandwidth(uint16_t N_RB) {
return(channel_bandwidth);
}
static void display_channelmodel_help( telnet_printfunc_t prnt) {
}
static void display_channelmodel(channel_desc_t *cd,int debug, telnet_printfunc_t prnt) {
prnt("nb_tx: %i nb_rx: %i taps: %i bandwidth: %lf sampling: %lf\n",cd->nb_tx, cd->nb_rx, cd->nb_taps, cd->channel_bandwidth, cd->sampling_rate);
prnt("channel length: %i Max path delay: %lf ricean fact.: %lf angle of arrival: %lf (randomized:%s)\n",
cd->channel_length, cd->Td, cd->ricean_factor, cd->aoa, (cd->random_aoa?"Yes":"No"));
prnt("max Doppler: %lf path loss: %lf rchannel offset: %i forget factor; %lf\n",
cd->max_Doppler, cd->path_loss_dB, cd->channel_offset, cd->forgetting_factor);
prnt("Initial phase: %lf nb_path: %i \n",
cd->ip, cd->nb_paths);
for (int i=0; i<cd->nb_taps ; i++) {
prnt("taps: %i lin. ampli. : %lf delay: %lf \n",i,cd->amps[i], cd->delays[i]);
}
}
static int channelmod_show_cmd(char *buff, int debug, telnet_printfunc_t prnt) {
for(int i=0; channelmod_names[i].name != NULL ; i++) {
prnt(" %i %s\n", i, map_int_to_str(channelmod_names,i ));
char *subcmd=NULL;
int s = sscanf(buff,"%ms\n",&subcmd);
if (s>0) {
if ( strcmp(subcmd,"predef") == 0) {
for (int i=0; channelmod_names[i].name != NULL ; i++) {
prnt(" %i %s\n", i, map_int_to_str(channelmod_names,i ));
}
} else if ( strcmp(subcmd,"current") == 0) {
for (int i=0; i < max_chan ; i++) {
if (defined_channels[i] != NULL) {
prnt("model %i %s: \n----------------\n", i, map_int_to_str(channelmod_names,defined_channels[i]->modelid));
display_channelmodel(defined_channels[i],debug,prnt);
}
}
} else {
display_channelmodel_help(prnt);
}
free(subcmd);
}
return CMDSTATUS_FOUND;
}
return 0;
static int channelmod_modify_cmd(char *buff, int debug, telnet_printfunc_t prnt) {
char *param=NULL, *value=NULL;
int cd_id= -1;
int s = sscanf(buff,"%i %ms %ms \n",&cd_id,&param, &value);
if (cd_id<0 || cd_id >= max_chan) {
prnt("ERROR, %i: Channel model id outof range (0-%i)\n",cd_id,max_chan-1);
return CMDSTATUS_FOUND;
}
if (defined_channels[cd_id]==NULL) {
prnt("ERROR, %i: Channel model has not been set\n",cd_id);
return CMDSTATUS_FOUND;
}
if (s==3) {
if ( strcmp(param,"riceanf") == 0) {
double dbl = atof(value);
if (dbl <0 || dbl > 1)
prnt("ricean factor range: 0 to 1, %lf is outof range\n",dbl);
else
defined_channels[cd_id]->ricean_factor=dbl;
} else if ( strcmp(param,"aoa") == 0) {
double dbl = atof(value);
if (dbl <0 || dbl >6.28)
prnt("angle of arrival range: 0 to 2*Pi, %lf is outof range\n",dbl);
else
defined_channels[cd_id]->aoa=dbl;
} else if ( strcmp(param,"ploss") == 0) {
double dbl = atof(value);
defined_channels[cd_id]->path_loss_dB=dbl;
} else if ( strcmp(param,"offset") == 0) {
int i = atoi(value);
defined_channels[cd_id]->channel_offset=i;
} else if ( strcmp(param,"forgetf") == 0) {
double dbl = atof(value);
if (dbl <0 || dbl > 1)
prnt("forgetting factor range: 0 to 1 (disable variation), %lf is outof range\n",dbl);
else
defined_channels[cd_id]->forgetting_factor=dbl;
} else {
}
display_channelmodel(defined_channels[cd_id],debug,prnt);
free(param);
free(value);
}
return CMDSTATUS_FOUND;
}
int modelid_fromname(char *modelname) {
......@@ -1519,6 +1621,9 @@ void init_channelmod(void) {
paramdef_t channelmod_params[] = CHANNELMOD_PARAMS_DESC;
int ret = config_get( channelmod_params,sizeof(channelmod_params)/sizeof(paramdef_t),CHANNELMOD_SECTION);
AssertFatal(ret >= 0, "configuration couldn't be performed");
defined_channels=calloc(max_chan,sizeof( channel_desc_t*));
AssertFatal(defined_channels!=NULL, "couldn't allocate %u channel descriptors\n",max_chan);
/* look for telnet server, if it is loaded, add the channel modeling commands to it */
add_telnetcmd_func_t addcmd = (add_telnetcmd_func_t)get_shlibmodule_fptr("telnetsrv", TELNET_ADDCMD_FNAME);
......
openair1/SIMULATION/TOOLS/sim.h
View file @ c2e7d80b
......@@ -92,6 +92,10 @@ typedef struct {
time_stats_t interp_time;
time_stats_t interp_freq;
time_stats_t convolution;
/// index in the channel descriptors array
unsigned int chan_idx;
/// id of the channel modeling algorithm
int modelid;
} channel_desc_t;
typedef struct {
......@@ -214,8 +218,9 @@ typedef enum {
#define CONFIG_HLP_SNR "Set average SNR in dB (for --siml1 option)\n"
#define CHANNELMOD_SECTION "channelmod"
#define CHANNELMOD_PARAMS_DESC { \
{"s" , CONFIG_HLP_SNR, PARAMFLAG_CMDLINE_NOPREFIXENABLED, dblptr:&snr_dB , defdblval:25, TYPE_DOUBLE, 0},\
{"sinr_dB", NULL , 0 , dblptr:&sinr_dB, defdblval:0 , TYPE_DOUBLE, 0},\
{"s" , CONFIG_HLP_SNR, PARAMFLAG_CMDLINE_NOPREFIXENABLED, dblptr:&snr_dB, defdblval:25, TYPE_DOUBLE, 0},\
{"sinr_dB", NULL, 0 , dblptr:&sinr_dB, defdblval:0 , TYPE_DOUBLE, 0},\
{"max_chan, CONFIG_HLP_MAX_CHAN", 0, uptr:&max_chan, defintval:10, TYPE_UINT, 0},\
}
#include "platform_constants.h"
......
targets/ARCH/rfsimulator/simulator.c
View file @ c2e7d80b
......@@ -78,9 +78,11 @@ extern RAN_CONTEXT_t RC;
#define RFSIMULATOR_PARAMS_DESC {\
{"serveraddr", "<ip address to connect to>\n", 0, strptr:&(rfsimulator->ip), defstrval:"127.0.0.1", TYPE_STRING, 0 },\
{"serverport", "<port to connect to>\n", 0, u16ptr:&(rfsimulator->port), defuintval:PORT, TYPE_UINT16, 0 },\
{RFSIMU_OPTIONS_PARAMNAME, RFSIM_CONFIG_HELP_OPTIONS, 0, strlistptr:NULL, defstrlistval:NULL, TYPE_STRINGLIST,0},\
{RFSIMU_OPTIONS_PARAMNAME, RFSIM_CONFIG_HELP_OPTIONS, 0, strlistptr:NULL, defstrlistval:NULL, TYPE_STRINGLIST,0 },\
{"IQfile", "<file path to use when saving IQs>\n", 0, strptr:&(saveF), defstrval:"/tmp/rfsimulator.iqs",TYPE_STRING, 0 },\
{"modelname", "<channel model name>\n", 0, strptr:&(modelname), defstrval:"AWGN", TYPE_STRING, 0 }\
{"modelname", "<channel model name>\n", 0, strptr:&(modelname), defstrval:"AWGN", TYPE_STRING, 0 },\
{"ploss", "<channel path loss in dB>\n", 0, dblptr:&(rfsimulator->chan_pathloss), defdblval:0, TYPE_DOUBLE, 0 },\
{"forgetfact", "<channel forget factor ((0 to 1)>\n", 0, dblptr:&(rfsimulator->chan_forgetfact), defdblval:0, TYPE_DOUBLE, 0 }\
};
pthread_mutex_t Sockmutex;
......@@ -114,6 +116,8 @@ typedef struct {
double sample_rate;
double tx_bw;
int channelmod;
double chan_pathloss;
double chan_forgetfact;
} rfsimulator_state_t;
......@@ -161,9 +165,9 @@ void allocCirBuf(rfsimulator_state_t *bridge, int sock) {
bridge->channelmod,
bridge->sample_rate,
bridge->tx_bw,
0.0, // forgetting_factor
bridge->chan_forgetfact, // forgetting_factor
0, // maybe used for TA
0); // path_loss in dB
bridge->chan_pathloss); // path_loss in dB
random_channel(ptr->channel_model,false);
}
}
......
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