/**
* devtree_update
*
*/
static void
devtree_update(void)
{
int rc;
unsigned int wa[1024];
unsigned int *op;
say(DEBUG, "Updating device_tree\n");
if (add_phandles("/proc/device-tree",""))
return;
/* First 16 bytes of work area must be initialized to zero */
memset(wa, 0x00, 16);
do {
rc = rtas_update_nodes((char *)wa, 1);
if (rc && rc != 1) {
say(DEBUG, "Error %d from rtas_update_nodes()\n", rc);
return;
}
say(DEBUG, "successful rtas_update_nodes (more %d)\n", rc);
op = wa+4;
while (*op & 0xFF000000) {
unsigned int i;
say(DEBUG, "op %p, *op %8.8x\n", op, *op);
for (i = 0; i < (*op & 0x00FFFFFF); i++)
say(DEBUG, " %8.8x\n",op[i+1]);
switch (*op & 0xFF000000) {
case 0x01000000:
del_nodes(op+1, *op & 0x00FFFFFF);
break;
case 0x02000000:
update_nodes(op+1, *op & 0x00FFFFFF);
break;
case 0x03000000:
add_nodes(op+1, *op & 0x00FFFFFF);
break;
case 0x00000000:
/* End */
break;
default:
say(DEBUG, "Unknown update_nodes op %8.8x\n",
*op);
}
op += 1 + (*op & 0x00FFFFFF);
}
} while (rc == 1);
say(DEBUG, "leaving\n");
}
virtual void do_update(){
update_nodes();
}
int
main (int argc, char **argv)
{
Interface_init();
s_t* st2=(s_t*)(Instance[1].gm->mem_ref.pointer);
st2->port=38800;
char c;
s32 i, j;
int new_omg_model; // goto ocg in oai_emulation.info.
// pointers signal buffers (s = transmit, r,r0 = receive)
double **s_re[NINST], **s_im[NINST], **r_re[NINST], **r_im[NINST], **r_re0, **r_im0;
double **r_re0_d[8][3], **r_im0_d[8][3], **r_re0_u[3][8],**r_im0_u[3][8];
// double **s_re, **s_im, **r_re, **r_im, **r_re0, **r_im0;
double forgetting_factor=0;
int map1,map2;
double **ShaF= NULL;
// Framing variables
s32 slot, last_slot, next_slot;
// variables/flags which are set by user on command-line
double snr_dB, sinr_dB;
u8 set_snr=0,set_sinr=0;
u8 cooperation_flag; // for cooperative communication
u8 target_dl_mcs = 4;
u8 target_ul_mcs = 2;
u8 rate_adaptation_flag;
u8 abstraction_flag = 0, ethernet_flag = 0;
u16 Nid_cell = 0;
s32 UE_id, eNB_id, ret;
// time calibration for soft realtime mode
struct timespec time_spec;
unsigned long time_last, time_now;
int td, td_avg, sleep_time_us;
char *g_log_level = "trace"; // by default global log level is set to trace
lte_subframe_t direction;
#ifdef XFORMS
FD_phy_procedures_sim *form[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX];
char title[255];
#endif
LTE_DL_FRAME_PARMS *frame_parms;
FILE *UE_stats[NUMBER_OF_UE_MAX], *eNB_stats;
char UE_stats_filename[255];
int len;
#ifdef ICIC
remove ("dci.txt");
#endif
//time_t t0,t1;
clock_t start, stop;
// Added for PHY abstraction
Node_list ue_node_list = NULL;
Node_list enb_node_list = NULL;
//default parameters
target_dl_mcs = 0;
rate_adaptation_flag = 0;
oai_emulation.info.n_frames = 0xffff;//1024; //100;
oai_emulation.info.n_frames_flag = 0;//fixme
snr_dB = 30;
cooperation_flag = 0; // default value 0 for no cooperation, 1 for Delay diversity, 2 for Distributed Alamouti
init_oai_emulation(); // to initialize everything !!!
// get command-line options
while ((c = getopt (argc, argv, "haePToFt:C:N:k:x:m:rn:s:S:f:z:u:b:c:M:p:g:l:d:U:B:R:E:"))
!= -1) {
switch (c) {
case 'F': // set FDD
oai_emulation.info.frame_type = 0;
break;
case 'C':
oai_emulation.info.tdd_config = atoi (optarg);
if (oai_emulation.info.tdd_config > 6) {
msg ("Illegal tdd_config %d (should be 0-6)\n", oai_emulation.info.tdd_config);
exit (-1);
}
break;
case 'R':
oai_emulation.info.N_RB_DL = atoi (optarg);
if ((oai_emulation.info.N_RB_DL != 6) && (oai_emulation.info.N_RB_DL != 15) && (oai_emulation.info.N_RB_DL != 25)
&& (oai_emulation.info.N_RB_DL != 50) && (oai_emulation.info.N_RB_DL != 75) && (oai_emulation.info.N_RB_DL != 100)) {
msg ("Illegal N_RB_DL %d (should be one of 6,15,25,50,75,100)\n", oai_emulation.info.N_RB_DL);
exit (-1);
}
case 'N':
Nid_cell = atoi (optarg);
if (Nid_cell > 503) {
msg ("Illegal Nid_cell %d (should be 0 ... 503)\n", Nid_cell);
exit(-1);
}
break;
case 'h':
help ();
exit (1);
case 'x':
oai_emulation.info.transmission_mode = atoi (optarg);
if ((oai_emulation.info.transmission_mode != 1) && (oai_emulation.info.transmission_mode != 2) && (oai_emulation.info.transmission_mode != 5) && (oai_emulation.info.transmission_mode != 6)) {
msg("Unsupported transmission mode %d\n",oai_emulation.info.transmission_mode);
exit(-1);
}
break;
case 'm':
target_dl_mcs = atoi (optarg);
break;
case 'r':
rate_adaptation_flag = 1;
break;
case 'n':
oai_emulation.info.n_frames = atoi (optarg);
//n_frames = (n_frames >1024) ? 1024: n_frames; // adjust the n_frames if higher that 1024
oai_emulation.info.n_frames_flag = 1;
break;
case 's':
snr_dB = atoi (optarg);
set_snr = 1;
oai_emulation.info.ocm_enabled=0;
break;
case 'S':
sinr_dB = atoi (optarg);
set_sinr = 1;
oai_emulation.info.ocm_enabled=0;
break;
case 'k':
//ricean_factor = atof (optarg);
printf("[SIM] Option k is no longer supported on the command line. Please specify your channel model in the xml template\n");
exit(-1);
break;
case 't':
//Td = atof (optarg);
printf("[SIM] Option t is no longer supported on the command line. Please specify your channel model in the xml template\n");
exit(-1);
break;
case 'f':
forgetting_factor = atof (optarg);
break;
case 'z':
cooperation_flag = atoi (optarg);
break;
case 'u':
oai_emulation.info.nb_ue_local = atoi (optarg);
break;
case 'b':
oai_emulation.info.nb_enb_local = atoi (optarg);
break;
case 'a':
abstraction_flag = 1;
break;
case 'p':
oai_emulation.info.nb_master = atoi (optarg);
break;
case 'M':
abstraction_flag = 1;
ethernet_flag = 1;
oai_emulation.info.ethernet_id = atoi (optarg);
oai_emulation.info.master_id = oai_emulation.info.ethernet_id;
oai_emulation.info.ethernet_flag = 1;
break;
case 'e':
oai_emulation.info.extended_prefix_flag = 1;
break;
case 'l':
g_log_level = optarg;
break;
case 'c':
strcpy(oai_emulation.info.local_server, optarg);
oai_emulation.info.ocg_enabled=1;
break;
case 'g':
oai_emulation.info.multicast_group = atoi (optarg);
break;
case 'B':
oai_emulation.info.omg_model_enb = atoi (optarg);
break;
case 'U':
oai_emulation.info.omg_model_ue = atoi (optarg);
break;
case 'T':
oai_emulation.info.otg_enabled = 1;
break;
case 'P':
oai_emulation.info.opt_enabled = 1;
break;
case 'E':
oai_emulation.info.seed = atoi (optarg);
break;
default:
help ();
exit (-1);
break;
}
}
// configure oaisim with OCG
oaisim_config(g_log_level); // config OMG and OCG, OPT, OTG, OLG
if (oai_emulation.info.nb_ue_local > NUMBER_OF_UE_MAX ) {
printf ("Enter fewer than %d UEs for the moment or change the NUMBER_OF_UE_MAX\n", NUMBER_OF_UE_MAX);
exit (-1);
}
if (oai_emulation.info.nb_enb_local > NUMBER_OF_eNB_MAX) {
printf ("Enter fewer than %d eNBs for the moment or change the NUMBER_OF_UE_MAX\n", NUMBER_OF_eNB_MAX);
exit (-1);
}
// fix ethernet and abstraction with RRC_CELLULAR Flag
#ifdef RRC_CELLULAR
abstraction_flag = 1;
ethernet_flag = 0;
#endif
if (set_sinr == 0)
sinr_dB = snr_dB - 20;
// setup ntedevice interface (netlink socket)
#ifndef CYGWIN
ret = netlink_init ();
#endif
if (ethernet_flag == 1) {
oai_emulation.info.master[oai_emulation.info.master_id].nb_ue = oai_emulation.info.nb_ue_local;
oai_emulation.info.master[oai_emulation.info.master_id].nb_enb = oai_emulation.info.nb_enb_local;
if (!oai_emulation.info.master_id)
oai_emulation.info.is_primary_master = 1;
j = 1;
for (i = 0; i < oai_emulation.info.nb_master; i++) {
if (i != oai_emulation.info.master_id)
oai_emulation.info.master_list = oai_emulation.info.master_list + j;
LOG_I (EMU, "Index of master id i=%d MASTER_LIST %d\n", i, oai_emulation.info.master_list);
j *= 2;
}
LOG_I (EMU, " Total number of master %d my master id %d\n", oai_emulation.info.nb_master, oai_emulation.info.master_id);
#ifdef LINUX
init_bypass ();
#endif
while (emu_tx_status != SYNCED_TRANSPORT) {
LOG_I (EMU, " Waiting for EMU Transport to be synced\n");
emu_transport_sync (); //emulation_tx_rx();
}
} // ethernet flag
NB_UE_INST = oai_emulation.info.nb_ue_local + oai_emulation.info.nb_ue_remote;
NB_eNB_INST = oai_emulation.info.nb_enb_local + oai_emulation.info.nb_enb_remote;
#ifndef NAS_NETLINK
for (UE_id=0;UE_id<NB_UE_INST;UE_id++) {
sprintf(UE_stats_filename,"UE_stats%d.txt",UE_id);
UE_stats[UE_id] = fopen (UE_stats_filename, "w");
}
eNB_stats = fopen ("eNB_stats.txt", "w");
printf ("UE_stats=%p, eNB_stats=%p\n", UE_stats, eNB_stats);
#endif
LOG_I(EMU, "total number of UE %d (local %d, remote %d) \n", NB_UE_INST,oai_emulation.info.nb_ue_local,oai_emulation.info.nb_ue_remote);
LOG_I(EMU, "Total number of eNB %d (local %d, remote %d) \n", NB_eNB_INST,oai_emulation.info.nb_enb_local,oai_emulation.info.nb_enb_remote);
printf("Running with frame_type %d, Nid_cell %d, N_RB_DL %d, EP %d, mode %d, target dl_mcs %d, rate adaptation %d, nframes %d, abstraction %d\n",
1+oai_emulation.info.frame_type, Nid_cell, oai_emulation.info.N_RB_DL, oai_emulation.info.extended_prefix_flag, oai_emulation.info.transmission_mode,target_dl_mcs,rate_adaptation_flag,oai_emulation.info.n_frames,abstraction_flag);
// init_lte_vars (&frame_parms, oai_emulation.info.frame_type, oai_emulation.info.tdd_config, oai_emulation.info.extended_prefix_flag,oai_emulation.info.N_RB_DL, Nid_cell, cooperation_flag, oai_emulation.info.transmission_mode, abstraction_flag);
init_frame_params (&frame_parms, oai_emulation.info.frame_type, oai_emulation.info.tdd_config, oai_emulation.info.extended_prefix_flag,oai_emulation.info.N_RB_DL, Nid_cell, cooperation_flag, oai_emulation.info.transmission_mode, abstraction_flag);
printf ("Nid_cell %d\n", frame_parms->Nid_cell);
/* Added for PHY abstraction */
if (abstraction_flag)
get_beta_map();
for (eNB_id = 0; eNB_id < NB_eNB_INST; eNB_id++) {
enb_data[eNB_id] = (node_desc_t *)malloc(sizeof(node_desc_t));
init_enb(enb_data[eNB_id],oai_emulation.environment_system_config.antenna.eNB_antenna);
}
for (UE_id = 0; UE_id < NB_UE_INST; UE_id++) {
ue_data[UE_id] = (node_desc_t *)malloc(sizeof(node_desc_t));
init_ue(ue_data[UE_id],oai_emulation.environment_system_config.antenna.UE_antenna);
}
// init SF map here!!!
map1 =(int)oai_emulation.topology_config.area.x_km;
map2 =(int)oai_emulation.topology_config.area.y_km;
//ShaF = createMat(map1,map2); -> memory is allocated within init_SF
ShaF = init_SF(map1,map2,DECOR_DIST,SF_VAR);
// size of area to generate shadow fading map
printf("Simulation area x=%f, y=%f\n",
oai_emulation.topology_config.area.x_km,
oai_emulation.topology_config.area.y_km);
if (abstraction_flag == 0){
int ci;
int ji=0;
for(ci=0;ci<NB_eNB_INST;ci++)
{
init_channel_mmap_channel(10+ji,frame_parms, &(s_re[ci]), &(s_im[ci]), &(r_re[ci]), &(r_im[ci]), &(r_re0), &(r_im0));
ji++;
//printf("ci %d\n",ci);
}
ji=0;
for(ci=NB_eNB_INST;ci<(NB_eNB_INST+NB_UE_INST);ci++)
{
init_channel_mmap_channel(20+ji,frame_parms, &(s_re[ci]), &(s_im[ci]), &(r_re[ci]), &(r_im[ci]), &(r_re0), &(r_im0));
ji++;
//printf("ci %d\n",ci);
}
}
for (eNB_id = 0; eNB_id < NB_eNB_INST; eNB_id++) {
for (UE_id = 0; UE_id < NB_UE_INST; UE_id++) {
init_rre(frame_parms,&(r_re0_u[eNB_id][UE_id]),&(r_im0_u[eNB_id][UE_id]));
init_rre(frame_parms,&(r_re0_d[UE_id][eNB_id]),&(r_im0_d[UE_id][eNB_id]));
}
}
// printf("r_re0 %lf , r_im0 %lf\n",r_re0_u[0][0][0][0],r_im0_u[0][0][0][0]);
//
// r_im0_u[0][0][0][0]=100;
//
// printf("r_re0 %lf , r_im0 %lf\n",r_re0_u[0][0][0][0],r_im0_u[0][0][0][0]);
//
//
// clean_param((r_re0_u[0][0]),(r_im0_u[0][0]),frame_parms);
//
// printf("r_re0 %lf , r_im0 %lf\n",r_re0_u[0][0][0][0],r_im0_u[0][0][0][0]);
for (eNB_id = 0; eNB_id < NB_eNB_INST; eNB_id++) {
for (UE_id = 0; UE_id < NB_UE_INST; UE_id++) {
#ifdef DEBUG_SIM
printf ("[SIM] Initializing channel from eNB %d to UE %d\n", eNB_id, UE_id);
#endif
eNB2UE[eNB_id][UE_id] = new_channel_desc_scm(2,
2,
map_str_to_int(small_scale_names, oai_emulation.environment_system_config.fading.small_scale.selected_option),
oai_emulation.environment_system_config.system_bandwidth_MB,
forgetting_factor,
0,
0);
UE2eNB[UE_id][eNB_id] = new_channel_desc_scm(2,
2,
map_str_to_int(small_scale_names, oai_emulation.environment_system_config.fading.small_scale.selected_option),
oai_emulation.environment_system_config.system_bandwidth_MB,
forgetting_factor,
0,
0);
}
}
randominit (0);
set_taus_seed (0);
number_of_cards = 1;
openair_daq_vars.rx_rf_mode = 1;
openair_daq_vars.tdd = 1;
openair_daq_vars.rx_gain_mode = DAQ_AGC_ON;
openair_daq_vars.dlsch_transmission_mode = oai_emulation.info.transmission_mode;
openair_daq_vars.target_ue_dl_mcs = target_dl_mcs;
openair_daq_vars.target_ue_ul_mcs = target_ul_mcs;
openair_daq_vars.dlsch_rate_adaptation = rate_adaptation_flag;
openair_daq_vars.ue_ul_nb_rb = 2;
#ifdef XFORMS
fl_initialize (&argc, argv, NULL, 0, 0);
for (UE_id = 0; UE_id < NB_UE_INST; UE_id++)
for (eNB_id = 0; eNB_id < NB_eNB_INST; eNB_id++) {
form[eNB_id][UE_id] = create_form_phy_procedures_sim ();
sprintf (title, "LTE SIM UE %d eNB %d", UE_id, eNB_id);
fl_show_form (form[eNB_id][UE_id]->phy_procedures_sim, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);
}
#endif
// time calibration for OAI
clock_gettime (CLOCK_REALTIME, &time_spec);
time_now = (unsigned long) time_spec.tv_nsec;
td_avg = 0;
sleep_time_us = SLEEP_STEP_US;
td_avg = TARGET_SF_TIME_NS;
// s_t* st2=(s_t*)(Instance[1].gm->mem_ref.pointer);
st2->Exec_FLAG=0;
int count;
IntInitAll();
Soc_t* this = (Soc_t*)(obj_inst[0].ptr->mem_ref.pointer);
fd_set read_ibits;
fd_set write_ibits;
int n;
struct timeval tvp ;
tvp.tv_sec=10;
tvp.tv_usec=0;
FD_ZERO(&read_ibits);
FD_SET(this->m_io_sync.io_sync_entries->fd_read, &read_ibits);
ch_thread *e2u_t[NB_eNB_INST][NB_UE_INST];
ch_thread *u2e_t[NB_UE_INST][NB_eNB_INST];
for(eNB_id=0;eNB_id<NB_eNB_INST;eNB_id++){
for(UE_id=0;UE_id<NB_UE_INST;UE_id++){
e2u_t[eNB_id][UE_id]=(ch_thread*)calloc(1,sizeof(ch_thread));
}}
for(UE_id=0;UE_id<NB_UE_INST;UE_id++){
for(eNB_id=0;eNB_id<NB_eNB_INST;eNB_id++){
u2e_t[UE_id][eNB_id]=(ch_thread*)calloc(1,sizeof(ch_thread));
}}
pthread_t thread,thread2;
pthread_t cthr_u[NB_eNB_INST][NB_UE_INST];
pthread_t cthr_d[NB_UE_INST][NB_eNB_INST];
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
u2e_t[UE_id][eNB_id]->eNB_id=eNB_id;
u2e_t[UE_id][eNB_id]->UE_id=UE_id;
u2e_t[UE_id][eNB_id]->r_re0=r_re0_d[UE_id][eNB_id];
u2e_t[UE_id][eNB_id]->r_im0=r_im0_d[UE_id][eNB_id];
u2e_t[UE_id][eNB_id]->r_re=r_re[NB_eNB_INST+UE_id];
u2e_t[UE_id][eNB_id]->r_im=r_im[NB_eNB_INST+UE_id];
u2e_t[UE_id][eNB_id]->s_im=s_im[eNB_id];
u2e_t[UE_id][eNB_id]->s_re=s_re[eNB_id];
u2e_t[UE_id][eNB_id]->eNB2UE=eNB2UE[eNB_id][UE_id];
u2e_t[UE_id][eNB_id]->UE2eNB=UE2eNB[UE_id][eNB_id];
u2e_t[UE_id][eNB_id]->enb_data=enb_data[eNB_id];
u2e_t[UE_id][eNB_id]->ue_data=ue_data[UE_id];
u2e_t[UE_id][eNB_id]->next_slot=&next_slot;
u2e_t[UE_id][eNB_id]->abstraction_flag=&abstraction_flag;
u2e_t[UE_id][eNB_id]->frame_parms=frame_parms;
pthread_create (&cthr_d[UE_id][eNB_id], NULL, do_DL_sig_channel_T,(void*)(u2e_t[UE_id][eNB_id]));
}
}
int sock;
int port=(35000+(10+eNB_id)+(20+UE_id));
port=35010;
sock = openairInetCreateSocket(SOCK_DGRAM,IPPROTO_UDP,"127.0.0.1",port);
// int n;
// fd_set read_ibits;
// fd_set write_ibits;
// struct timeval tvp = { 0, 0 };
FD_ZERO(&read_ibits);
FD_SET(sock,&read_ibits);
n = openairSelect(sock+1, &read_ibits, NULL, NULL, NULL);
printf("Waiting is over\n");
FD_ISSET(sock, &read_ibits);
for (mac_xface->frame=0; mac_xface->frame<oai_emulation.info.n_frames; mac_xface->frame++) {
int dir_flag=0;
printf("=============== Frame Number %d ============= \n ",mac_xface->frame);
/*
// Handling the cooperation Flag
if (cooperation_flag == 2)
{
if ((PHY_vars_eNB_g[0]->eNB_UE_stats[0].mode == PUSCH) && (PHY_vars_eNB_g[0]->eNB_UE_stats[1].mode == PUSCH))
PHY_vars_eNB_g[0]->cooperation_flag = 2;
}
*/
// for dubugging the frame counter
update_nodes(oai_emulation.info.time);
enb_node_list = get_current_positions(oai_emulation.info.omg_model_enb, eNB, oai_emulation.info.time);
ue_node_list = get_current_positions(oai_emulation.info.omg_model_ue, UE, oai_emulation.info.time);
// update the position of all the nodes (eNB/CH, and UE/MR) every frame
if (((int)oai_emulation.info.time % 10) == 0 ) {
display_node_list(enb_node_list);
display_node_list(ue_node_list);
if (oai_emulation.info.omg_model_ue >= MAX_NUM_MOB_TYPES){ // mix mobility model
for(UE_id=oai_emulation.info.first_ue_local; UE_id<(oai_emulation.info.first_ue_local+oai_emulation.info.nb_ue_local);UE_id++){
new_omg_model = randomGen(STATIC, MAX_NUM_MOB_TYPES);
LOG_D(OMG, "[UE] Node of ID %d is changing mobility generator ->%d \n", UE_id, new_omg_model);
// reset the mobility model for a specific node
set_new_mob_type (UE_id, UE, new_omg_model, oai_emulation.info.time);
}
}
if (oai_emulation.info.omg_model_enb >= MAX_NUM_MOB_TYPES) { // mix mobility model
for (eNB_id = oai_emulation.info.first_enb_local; eNB_id < (oai_emulation.info.first_enb_local + oai_emulation.info.nb_enb_local); eNB_id++) {
new_omg_model = randomGen (STATIC, MAX_NUM_MOB_TYPES);
LOG_D (OMG, "[eNB] Node of ID %d is changing mobility generator ->%d \n", UE_id, new_omg_model);
// reset the mobility model for a specific node
set_new_mob_type (eNB_id, eNB, new_omg_model, oai_emulation.info.time);
}
}
}
#ifdef DEBUG_OMG
if ((((int) oai_emulation.info.time) % 100) == 0) {
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++) {
get_node_position (UE, UE_id);
}
}
#endif
if (oai_emulation.info.n_frames_flag == 0){ // if n_frames not set by the user then let the emulation run to infinity
mac_xface->frame %=(oai_emulation.info.n_frames-1);
// set the emulation time based on 1ms subframe number
oai_emulation.info.time += 0.01; // emu time in s
}
else { // user set the number of frames for the emulation
// let the time go faster to see the effect of mobility
oai_emulation.info.time += 0.1;
}
/* check if the openair channel model is activated used for PHY abstraction */
/* if ((oai_emulation.info.ocm_enabled == 1)&& (ethernet_flag == 0 )) {
extract_position(enb_node_list, enb_data, NB_eNB_INST);
extract_position(ue_node_list, ue_data, NB_UE_INST);
for (eNB_id = 0; eNB_id < NB_eNB_INST; eNB_id++) {
for (UE_id = 0; UE_id < NB_UE_INST; UE_id++) {
calc_path_loss (enb_data[eNB_id], ue_data[UE_id], eNB2UE[eNB_id][UE_id], oai_emulation.environment_system_config,ShaF[(int)ue_data[UE_id]->x][(int)ue_data[UE_id]->y]);
UE2eNB[UE_id][eNB_id]->path_loss_dB = eNB2UE[eNB_id][UE_id]->path_loss_dB;
printf("[CHANNEL_SIM] Pathloss bw enB %d at (%f,%f) and UE%d at (%f,%f) is %f (ShaF %f)\n",
eNB_id,enb_data[eNB_id]->x,enb_data[eNB_id]->y,UE_id,ue_data[UE_id]->x,ue_data[UE_id]->y,
eNB2UE[eNB_id][UE_id]->path_loss_dB,
ShaF[(int)ue_data[UE_id]->x][(int)ue_data[UE_id]->y]);
}
}
} */
// else {
for (eNB_id = 0; eNB_id < NB_eNB_INST; eNB_id++) {
for (UE_id = 0; UE_id < NB_UE_INST; UE_id++) {
eNB2UE[eNB_id][UE_id]->path_loss_dB = -105 + snr_dB;
//UE2eNB[UE_id][eNB_id]->path_loss_dB = -105 + snr_dB;
if (eNB_id == (UE_id % NB_eNB_INST))
UE2eNB[UE_id][eNB_id]->path_loss_dB = -105 + snr_dB - 10;
else
UE2eNB[UE_id][eNB_id]->path_loss_dB = -105 + sinr_dB - 10;
#ifdef DEBUG_SIM
printf("[SIM] Path loss from eNB %d to UE %d => %f dB\n",eNB_id,UE_id,eNB2UE[eNB_id][UE_id]->path_loss_dB);
printf("[SIM] Path loss from UE %d to eNB %d => %f dB\n",UE_id,eNB_id,UE2eNB[UE_id][eNB_id]->path_loss_dB);
#endif
}
}
// } else
st2->EResp_FLAG=0;
for (slot=0 ; slot<20 ; slot++) {
printf("=============== Frame Number %d , Slot %d ============= \n ",mac_xface->frame,slot);
last_slot = (slot - 1)%20;
if (last_slot <0)
last_slot+=20;
next_slot = (slot + 1)%20;
direction = subframe_select(frame_parms,next_slot>>1);
if (direction == SF_DL) {
dir_flag=1;
}
else if (direction == SF_UL) {
dir_flag=2;
}
else {//it must be a special subframe
if (next_slot%2==0) {//DL part
dir_flag=1;
}
else {// UL part
dir_flag=2;
}
}
int count=0;
if(dir_flag==1)
{
st2->EResp_FLAG=0;
count=0;
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
send_exec_msg(next_slot,last_slot,mac_xface->frame,mac_xface->frame,slot,0,38810+eNB_id);
printf("Waiting for Exec Msg Complete \n");
// n = openairIoSyncCreateThread_2(&this->m_io_sync);
} // for loop
while(count<NB_eNB_INST){
n=trig_wait((void*)&this->m_io_sync);
count++;
}
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
//trigger message
send_exec_msg(0,0,0,0,0,0,(35000+(10+eNB_id)+(20+UE_id)));
}
}
usleep(5);
// while(st2->EResp_FLAG<NB_eNB_INST)
// {
/*
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
u2e_t[UE_id][eNB_id]->eNB_id=eNB_id;
u2e_t[UE_id][eNB_id]->UE_id=UE_id;
u2e_t[UE_id][eNB_id]->r_re0=r_re0_d[UE_id][eNB_id];
u2e_t[UE_id][eNB_id]->r_im0=r_im0_d[UE_id][eNB_id];
u2e_t[UE_id][eNB_id]->r_re=r_re[NB_eNB_INST+UE_id];
u2e_t[UE_id][eNB_id]->r_im=r_im[NB_eNB_INST+UE_id];
u2e_t[UE_id][eNB_id]->s_im=s_im[eNB_id];
u2e_t[UE_id][eNB_id]->s_re=s_re[eNB_id];
u2e_t[UE_id][eNB_id]->eNB2UE=eNB2UE[eNB_id][UE_id];
u2e_t[UE_id][eNB_id]->UE2eNB=UE2eNB[UE_id][eNB_id];
u2e_t[UE_id][eNB_id]->enb_data=enb_data[eNB_id];
u2e_t[UE_id][eNB_id]->ue_data=ue_data[UE_id];
u2e_t[UE_id][eNB_id]->next_slot=&next_slot;
u2e_t[UE_id][eNB_id]->abstraction_flag=&abstraction_flag;
u2e_t[UE_id][eNB_id]->frame_parms=frame_parms;
// pthread_create (&thread[eNB_id][UE_id], NULL, do_DL_sig_channel_T,(void*)cthread);
pthread_create (&cthr_d[UE_id][eNB_id], NULL, do_DL_sig_channel_T,(void*)(u2e_t[UE_id][eNB_id]));
// pthread_join(cthr_d[UE_id][eNB_id], NULL);
// pthread_join(cthr_d[UE_id][eNB_id], NULL);
// pthread_join(thread[eNB_id][UE_id], NULL);
// do_DL_sig_channel(eNB_id,UE_id,r_re0,r_im0,r_re[NB_eNB_INST+UE_id],r_im[NB_eNB_INST+UE_id],s_re[eNB_id],s_im[eNB_id],eNB2UE,enb_data, ue_data,next_slot,abstraction_flag,frame_parms);
// do_DL_sig_channel(eNB_id,UE_id,r_re0_d[UE_id][eNB_id],r_im0_d[UE_id][eNB_id],r_re[NB_eNB_INST+UE_id],r_im[NB_eNB_INST+UE_id],s_re[eNB_id],s_im[eNB_id],eNB2UE,enb_data, ue_data,next_slot,abstraction_flag,frame_parms);
}
}
*/
//
//for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
//for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
//pthread_join(cthr_d[UE_id][eNB_id], NULL);
//}
//}
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
clean_param(r_re[NB_eNB_INST+UE_id],r_im[NB_eNB_INST+UE_id],frame_parms);
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
channel_add(r_re[NB_eNB_INST+UE_id],r_im[NB_eNB_INST+UE_id],r_re0_d[UE_id][eNB_id],r_im0_d[UE_id][eNB_id],frame_parms);
}
}
// if(UE_id==NB_UE_INST)
// pthread_join(thread, NULL);
//}
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
// pthread_join(thread, NULL);
//pthread_join(thread[eNB_id][UE_id], NULL);
}
}
// }
st2->EResp_FLAG=0;
count=0;
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++)
if (mac_xface->frame >= (UE_id * 10)) { // activate UE only after 10*UE_id frames so that different UEs turn on separately
send_exec_msg(next_slot,last_slot,mac_xface->frame,mac_xface->frame,slot,0,38820+UE_id);
printf("Waiting for Exec Msg Complete \n");
//n = openairIoSyncCreateThread_2(&this->m_io_sync);
// n=trig_wait((void*)&this->m_io_sync);
}
else{
st2->EResp_FLAG=st2->EResp_FLAG+1;
count++;
}
while(count<NB_UE_INST){
n=trig_wait((void*)&this->m_io_sync);
count++;
}
//while(st2->EResp_FLAG<NB_UE_INST)
// {
// n = select(this->m_io_sync.hfd, &read_ibits, NULL, NULL,NULL);
// FD_ISSET(this->m_io_sync.io_sync_entries->fd_read, &read_ibits);
// printf("..");
// }
}
else if(dir_flag==2)
{
st2->EResp_FLAG=0;
count=0;
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++)
if (mac_xface->frame >= (UE_id * 10)) { // activate UE only after 10*UE_id frames so that different UEs turn on separately
send_exec_msg(next_slot,last_slot,mac_xface->frame,mac_xface->frame,slot,0,38820+UE_id);
// printf("Waiting for Exec Msg Complete \n");
// n = openairIoSyncCreateThread_2(&this->m_io_sync);
// n=trig_wait((void*)&this->m_io_sync);
}
else{
st2->EResp_FLAG=st2->EResp_FLAG+1;
count++;
}
while(count<NB_UE_INST){
n=trig_wait((void*)&this->m_io_sync);
count++;
}
//while(st2->EResp_FLAG<NB_UE_INST)
// {
// n = select(this->m_io_sync.hfd, &read_ibits, NULL, NULL,NULL);
// FD_ISSET(this->m_io_sync.io_sync_entries->fd_read, &read_ibits);
// printf("..");
// }
// do_UL_sig_channel2(1,0,r_re0,r_im0,r_re,r_im,s_re,s_im,UE2eNB,next_slot,abstraction_flag,frame_parms);
// do_UL_sig_channel(r_re0,r_im0,r_re,r_im,s_re,s_im,UE2eNB,next_slot,abstraction_flag,frame_parms);
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
e2u_t[eNB_id][UE_id]->eNB_id=eNB_id;
e2u_t[eNB_id][UE_id]->UE_id=UE_id;
e2u_t[eNB_id][UE_id]->r_re=r_re[eNB_id];
e2u_t[eNB_id][UE_id]->r_im=r_im[eNB_id];
e2u_t[eNB_id][UE_id]->r_re0=r_re0_u[eNB_id][UE_id];
e2u_t[eNB_id][UE_id]->r_im0=r_im0_u[eNB_id][UE_id];
e2u_t[eNB_id][UE_id]->s_im=s_im[NB_eNB_INST+UE_id];
e2u_t[eNB_id][UE_id]->s_re=s_re[NB_eNB_INST+UE_id];
e2u_t[eNB_id][UE_id]->eNB2UE=eNB2UE[eNB_id][UE_id];
e2u_t[eNB_id][UE_id]->UE2eNB=UE2eNB[UE_id][eNB_id];
e2u_t[eNB_id][UE_id]->enb_data=enb_data[eNB_id];
e2u_t[eNB_id][UE_id]->ue_data=ue_data[UE_id];
e2u_t[eNB_id][UE_id]->next_slot=&next_slot;
e2u_t[eNB_id][UE_id]->abstraction_flag=&abstraction_flag;
e2u_t[eNB_id][UE_id]->frame_parms=frame_parms;
pthread_create (&cthr_u[eNB_id][UE_id], NULL, do_UL_sig_channel_T,(void*)e2u_t[eNB_id][UE_id]);
// pthread_create (&thread[eNB_id][UE_id], NULL, do_UL_sig_channel_T,(void*)cthread);
// do_UL_sig_channel(eNB_id,UE_id,r_re0,r_im0,r_re[eNB_id],r_im[eNB_id],s_re[NB_eNB_INST+UE_id],s_im[NB_eNB_INST+UE_id],UE2eNB,next_slot,abstraction_flag,frame_parms);
// do_UL_sig_channel(eNB_id,UE_id,r_re0_u[eNB_id][UE_id],r_im0_u[eNB_id][UE_id],r_re[eNB_id],r_im[eNB_id],s_re[NB_eNB_INST+UE_id],s_im[NB_eNB_INST+UE_id],UE2eNB,next_slot,abstraction_flag,frame_parms);
}
}
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
// pthread_join(thread[eNB_id][UE_id], NULL);
pthread_join(cthr_u[eNB_id][UE_id], NULL);
}
}
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
clean_param(r_re[eNB_id],r_im[eNB_id],frame_parms);
for (UE_id = oai_emulation.info.first_ue_local; UE_id < (oai_emulation.info.first_ue_local + oai_emulation.info.nb_ue_local); UE_id++){
channel_add(r_re[eNB_id],r_im[eNB_id],r_re0_u[eNB_id][UE_id],r_im0_u[eNB_id][UE_id],frame_parms);
}
}
// }
st2->EResp_FLAG=0;
count=0;
for (eNB_id=oai_emulation.info.first_enb_local;eNB_id<(oai_emulation.info.first_enb_local+oai_emulation.info.nb_enb_local);eNB_id++) {
send_exec_msg(next_slot,last_slot,mac_xface->frame,mac_xface->frame,slot,0,38810+eNB_id);
// n = openairIoSyncCreateThread_2(&this->m_io_sync);
// n=trig_wait((void*)&this->m_io_sync);
// printf("Waiting for Exec Msg Complete \n");
} // for loop
while(count<NB_eNB_INST){
n=trig_wait((void*)&this->m_io_sync);
count++;
}
// while(st2->EResp_FLAG<NB_eNB_INST)
// {
// n = select(this->m_io_sync.hfd, &read_ibits, NULL, NULL,NULL);
// FD_ISSET(this->m_io_sync.io_sync_entries->fd_read, &read_ibits);
// // printf("..");
// }
}
if ((last_slot == 1) && (mac_xface->frame == 0)
&& (abstraction_flag == 0) && (oai_emulation.info.n_frames == 1)) {
// write_output ("dlchan0.m", "dlch0",
// &(PHY_vars_UE_g[0]->lte_ue_common_vars.dl_ch_estimates[0][0][0]),
// (6 * (PHY_vars_UE_g[0]->lte_frame_parms.ofdm_symbol_size)), 1, 1);
// write_output ("dlchan1.m", "dlch1",
// &(PHY_vars_UE_g[0]->lte_ue_common_vars.dl_ch_estimates[1][0][0]),
// (6 * (PHY_vars_UE_g[0]->lte_frame_parms.ofdm_symbol_size)), 1, 1);
// write_output ("dlchan2.m", "dlch2",
// &(PHY_vars_UE_g[0]->lte_ue_common_vars.dl_ch_estimates[2][0][0]),
// (6 * (PHY_vars_UE_g[0]->lte_frame_parms.ofdm_symbol_size)), 1, 1);
// write_output ("pbch_rxF_comp0.m", "pbch_comp0",
// PHY_vars_UE_g[0]->lte_ue_pbch_vars[0]->rxdataF_comp[0], 6 * 12 * 4, 1, 1);
// write_output ("pbch_rxF_llr.m", "pbch_llr",
// PHY_vars_UE_g[0]->lte_ue_pbch_vars[0]->llr, (frame_parms->Ncp == 0) ? 1920 : 1728, 1, 4);
}
/*
if ((last_slot==1) && (mac_xface->frame==1)) {
write_output("dlsch_rxF_comp0.m","dlsch0_rxF_comp0",PHY_vars_UE->lte_ue_dlsch_vars[eNB_id]->rxdataF_comp[0],300*(-(PHY_vars_UE->lte_frame_parms.Ncp*2)+14),1,1);
write_output("pdcch_rxF_comp0.m","pdcch0_rxF_comp0",PHY_vars_UE->lte_ue_pdcch_vars[eNB_id]->rxdataF_comp[0],4*300,1,1);
}
*/
if (next_slot %2 == 0){
clock_gettime (CLOCK_REALTIME, &time_spec);
time_last = time_now;
time_now = (unsigned long) time_spec.tv_nsec;
td = (int) (time_now - time_last);
if (td>0) {
td_avg = (int)(((K*(long)td) + (((1<<3)-K)*((long)td_avg)))>>3); // in us
LOG_I(EMU,"sleep frame %d, average time difference %ldns, CURRENT TIME DIFF %dus, avgerage difference from the target %dus\n",
mac_xface->frame, td_avg, td/1000,(td_avg-TARGET_SF_TIME_NS)/1000);
}
if (td_avg<(TARGET_SF_TIME_NS - SF_DEVIATION_OFFSET_NS)){
sleep_time_us += SLEEP_STEP_US;
}
else if (td_avg > (TARGET_SF_TIME_NS + SF_DEVIATION_OFFSET_NS)) {
sleep_time_us-= SLEEP_STEP_US;
}
}// end if next_slot%2
} //end of slot
int
main (int argc, char *argv[])
{
int i, node_type;
double cur_time = 0.0;
double ms = 0.0;
node_list *current_positions = NULL;
node_struct *my_node = NULL;
int my_id = 0, time_s;
double emu_info_time;
char full_name[200];
int pfd[2]; // fd for omv : fixme: this could be a local var
char fdstr[10];
char frames[10];
char num_enb[10];
char num_ue[10];
//area_x, area_y and area_z for omv
char x_area[20];
char y_area[20];
char z_area[20];
char fname[64], vname[64];
Data_Flow_Unit omv_data;
//default parameters
for (node_type = eNB; node_type < MAX_NUM_NODE_TYPES; node_type++) {
if (node_type == UE)
omg_param_list[node_type].nodes = 5;
else
omg_param_list[node_type].nodes = 0;
omg_param_list[node_type].min_x = 0;
omg_param_list[node_type].max_x = 100;
omg_param_list[node_type].min_y = 0;
omg_param_list[node_type].max_y = 100;
omg_param_list[node_type].min_speed = 0.1;
omg_param_list[node_type].max_speed = 20.0;
omg_param_list[node_type].min_journey_time = 0.1;
omg_param_list[node_type].max_journey_time = 20.0;
omg_param_list[node_type].min_azimuth = 0;
omg_param_list[node_type].max_azimuth = 360;
omg_param_list[node_type].min_sleep = 0.1;
omg_param_list[node_type].max_sleep = 5.0;
omg_param_list[node_type].mobility_file = "TRACE/mobility_3ues.tr";
omg_param_list[node_type].mobility_type = STATIC;
omg_param_list[node_type].nodes_type = node_type;
//omg_param_list.sumo_config = "SUMO/SCENARIOS/traci.koln.sumo.cfg";
omg_param_list[node_type].sumo_command = "sumo-gui";
omg_param_list[node_type].sumo_config =
"SUMO/SCENARIOS/traci.scen.sumo.cfg";
omg_param_list[node_type].sumo_start = 0; //25900;
omg_param_list[node_type].sumo_end = 200; //26200;
omg_param_list[node_type].sumo_step = 1;
omg_param_list[node_type].sumo_host = "localhost";
omg_param_list[node_type].sumo_port = 8890;
}
init_omg_global_params (); //initialize global paramaters
get_options (argc, argv); // overwrite the default params if any input parameter
for (node_type = eNB; node_type < MAX_NUM_NODE_TYPES; node_type++) {
omg_param_list[node_type].max_vertices =
max_vertices_ongrid (omg_param_list[node_type]);
omg_param_list[node_type].max_block_num =
max_connecteddomains_ongrid (omg_param_list[node_type]);
}
init_mobility_generator (omg_param_list); //initialize choosen mobility generator
// ****************init omv********************
if (omv_enabled == 1) {
if (pipe (pfd) == -1)
perror ("pipe error \n");
sprintf (full_name, "%s/UTIL/OMV/OMV", getenv ("OPENAIR2_DIR"));
LOG_I (EMU, "Stating the OMV path %s pfd[0] %d pfd[1] %d \n", full_name,
pfd[0], pfd[1]);
switch (fork ()) {
case -1:
perror ("fork failed \n");
break;
case 0:
if (close (pfd[1]) == -1)
perror ("close on write\n");
sprintf (fdstr, "%d", pfd[0]);
sprintf (num_enb, "%d", 1);
sprintf (num_ue, "%d", omg_param_list[UE].nodes);
sprintf (x_area, "%f", omg_param_list[UE].max_x);
sprintf (y_area, "%f", omg_param_list[UE].max_y);
sprintf (z_area, "%f", 200.0);
sprintf (frames, "%d", (int) n_frames);
execl (full_name, "OMV", fdstr, frames, num_enb, num_ue, x_area,
y_area, z_area, NULL);
perror ("error in execl the OMV");
}
//parent
if (close (pfd[0]) == -1)
perror ("close on read\n");
}
//******************************
for (emu_info_time = 0.0; emu_info_time <= n_frames; emu_info_time += 0.1) {
update_nodes (emu_info_time);
time_s = round (emu_info_time * 1000.0);
//printf("%d \n",time_s);
for (node_type = eNB; node_type < MAX_NUM_NODE_TYPES; node_type++) {
current_positions =
get_current_positions (omg_param_list[node_type].mobility_type,
node_type, emu_info_time);
if (current_positions != NULL)
display_job_list (emu_info_time,
job_vector[omg_param_list
[node_type].mobility_type]);
/*if(current_positions!= NULL && time_s %1000==0)
LOG_D(OMG, "%.2f %d\n",emu_info_time,
nodes_avgspeed(job_vector[omg_param_list [node_type].mobility_type])); */
}
//display current postion of nodes
if (omv_enabled == 1)
omv_write (pfd[1], node_vector[SUMO], omv_data);
}
/*LOG_I(OMG,"#-----event average-----\n");
for (i=0;i<100;i++)
{
if(events[i]!=0)
LOG_D(OMG,"%d %d \n",i,event_sum[i]/events[i]);
} */
stop_mobility_generator (omg_param_list);
if (omv_enabled == 1)
omv_end (pfd[1], omv_data);
//clear_mem();
return 0;
}
