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OpenXG-RAN
Commit ef498d78 authored by Rohit Gupta's avatar Rohit Gupta
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Merge branch 'develop' of https://gitlab.eurecom.fr/oai/openairinterface5g into develop

parents 7f296274 d1bed397
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Showing with 516 additions and 264 deletions
openair1/PHY/LTE_TRANSPORT/proto.h
View file @ ef498d78
...@@ -72,8 +72,11 @@ LTE_eNB_DLSCH_t *new_eNB_dlsch(uint8_t Kmimo,uint8_t Mdlharq,uint8_t N_RB_DL, ui ...@@ -72,8 +72,11 @@ LTE_eNB_DLSCH_t *new_eNB_dlsch(uint8_t Kmimo,uint8_t Mdlharq,uint8_t N_RB_DL, ui
*/ */
void free_ue_dlsch(LTE_UE_DLSCH_t *dlsch); void free_ue_dlsch(LTE_UE_DLSCH_t *dlsch);
LTE_eNB_ULSCH_t *new_eNB_ulsch(uint8_t Mdlharq,uint8_t max_turbo_iterations,uint8_t N_RB_UL, uint8_t abstraction_flag);
LTE_UE_DLSCH_t *new_ue_dlsch(uint8_t Kmimo,uint8_t Mdlharq,uint8_t max_turbo_iterations,uint8_t N_RB_DL, uint8_t abstraction_flag); LTE_UE_DLSCH_t *new_ue_dlsch(uint8_t Kmimo,uint8_t Mdlharq,uint8_t max_turbo_iterations,uint8_t N_RB_DL, uint8_t abstraction_flag);
LTE_UE_ULSCH_t *new_ue_ulsch(unsigned char Mdlharq,unsigned char N_RB_UL, uint8_t abstraction_flag);
void clean_eNb_ulsch(LTE_eNB_ULSCH_t *ulsch, uint8_t abstraction_flag); void clean_eNb_ulsch(LTE_eNB_ULSCH_t *ulsch, uint8_t abstraction_flag);
...@@ -84,9 +87,6 @@ LTE_eNB_ULSCH_t *new_eNB_ulsch(uint8_t Mdlharq,uint8_t max_turbo_iterations,uint ...@@ -84,9 +87,6 @@ LTE_eNB_ULSCH_t *new_eNB_ulsch(uint8_t Mdlharq,uint8_t max_turbo_iterations,uint
LTE_UE_ULSCH_t *new_ue_ulsch(uint8_t Mdlharq, unsigned char N_RB_UL, uint8_t abstraction_flag); LTE_UE_ULSCH_t *new_ue_ulsch(uint8_t Mdlharq, unsigned char N_RB_UL, uint8_t abstraction_flag);
uint8_t ul_subframe2pdcch_alloc_subframe(LTE_DL_FRAME_PARMS *frame_parms,uint8_t n);
/** \fn dlsch_encoding(uint8_t *input_buffer, /** \fn dlsch_encoding(uint8_t *input_buffer,
LTE_DL_FRAME_PARMS *frame_parms, LTE_DL_FRAME_PARMS *frame_parms,
uint8_t num_pdcch_symbols, uint8_t num_pdcch_symbols,
...@@ -1769,5 +1769,7 @@ double computeRhoB_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated, ...@@ -1769,5 +1769,7 @@ double computeRhoB_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
uint8_t get_prach_prb_offset(LTE_DL_FRAME_PARMS *frame_parms, uint8_t tdd_mapindex, uint16_t Nf); uint8_t get_prach_prb_offset(LTE_DL_FRAME_PARMS *frame_parms, uint8_t tdd_mapindex, uint16_t Nf);
uint8_t ul_subframe2pdcch_alloc_subframe(LTE_DL_FRAME_PARMS *frame_parms,uint8_t n);
/**@}*/ /**@}*/
#endif #endif
openair1/SIMULATION/LTE_PHY/dlsim.c
View file @ ef498d78
...@@ -326,7 +326,7 @@ int main(int argc, char **argv) ...@@ -326,7 +326,7 @@ int main(int argc, char **argv)
uint32_t DLSCH_RB_ALLOC = 0x1fff; uint32_t DLSCH_RB_ALLOC = 0x1fff;
int numCCE=0; int numCCE=0;
int dci_length_bytes=0,dci_length=0; int dci_length_bytes=0,dci_length=0;
double BW = 5.0; //double channel_bandwidth = 5.0, sampling_rate=7.68;
int common_flag=0,TPC=0; int common_flag=0,TPC=0;
double cpu_freq_GHz; double cpu_freq_GHz;
...@@ -680,27 +680,19 @@ int main(int argc, char **argv) ...@@ -680,27 +680,19 @@ int main(int argc, char **argv)
switch (N_RB_DL) { switch (N_RB_DL) {
case 6: case 6:
if (rballocset==0) DLSCH_RB_ALLOC = 0x3f; if (rballocset==0) DLSCH_RB_ALLOC = 0x3f;
BW = 1.25;
num_pdcch_symbols = 3; num_pdcch_symbols = 3;
break; break;
case 25: case 25:
if (rballocset==0) DLSCH_RB_ALLOC = 0x1fff; if (rballocset==0) DLSCH_RB_ALLOC = 0x1fff;
BW = 5.00;
break; break;
case 50: case 50:
if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffff; if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffff;
BW = 10.00;
break; break;
case 100: case 100:
if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffffff; if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffffff;
BW = 20.00;
break; break;
} }
...@@ -708,8 +700,6 @@ int main(int argc, char **argv) ...@@ -708,8 +700,6 @@ int main(int argc, char **argv)
} else } else
NB_RB = 4; NB_RB = 4;
NB_RB=conv_nprb(0,DLSCH_RB_ALLOC,N_RB_DL);
if ((transmission_mode > 1) && (n_tx != 2)) if ((transmission_mode > 1) && (n_tx != 2))
printf("n_tx must be >1 for transmission_mode %d\n",transmission_mode); printf("n_tx must be >1 for transmission_mode %d\n",transmission_mode);
...@@ -967,7 +957,8 @@ int main(int argc, char **argv) ...@@ -967,7 +957,8 @@ int main(int argc, char **argv)
eNB2UE[0] = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx, eNB2UE[0] = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
forgetting_factor, forgetting_factor,
rx_sample_offset, rx_sample_offset,
0); 0);
...@@ -977,8 +968,9 @@ int main(int argc, char **argv) ...@@ -977,8 +968,9 @@ int main(int argc, char **argv)
eNB2UE[n] = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx, eNB2UE[n] = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
forgetting_factor, N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
forgetting_factor,
rx_sample_offset, rx_sample_offset,
0); 0);
} }
...@@ -2789,7 +2781,7 @@ PMI_FEEDBACK: ...@@ -2789,7 +2781,7 @@ PMI_FEEDBACK:
// Multipath channel // Multipath channel
if (awgn_flag == 0) { if (awgn_flag == 0) {
multipath_channel(eNB2UE[0],s_re,s_im,r_re,r_im, multipath_channel(eNB2UE[round],s_re,s_im,r_re,r_im,
2*frame_parms->samples_per_tti,hold_channel); 2*frame_parms->samples_per_tti,hold_channel);
// printf("amc: ****************** eNB2UE[%d]->n_rx = %d,dd %d\n",round,eNB2UE[round]->nb_rx,eNB2UE[round]->channel_offset); // printf("amc: ****************** eNB2UE[%d]->n_rx = %d,dd %d\n",round,eNB2UE[round]->nb_rx,eNB2UE[round]->channel_offset);
......
openair1/SIMULATION/LTE_PHY/mbmssim.c
View file @ ef498d78
...@@ -54,8 +54,6 @@ ...@@ -54,8 +54,6 @@
#include "OCG_vars.h" #include "OCG_vars.h"
//#define BW 5.0
PHY_VARS_eNB *PHY_vars_eNB; PHY_VARS_eNB *PHY_vars_eNB;
PHY_VARS_UE *PHY_vars_UE; PHY_VARS_UE *PHY_vars_UE;
...@@ -131,7 +129,7 @@ int main(int argc, char **argv) ...@@ -131,7 +129,7 @@ int main(int argc, char **argv)
char c; char c;
int i,l,aa,aarx; int i,l,aa,aarx,k;
double sigma2, sigma2_dB=0,SNR,snr0=-2.0,snr1=0.0; double sigma2, sigma2_dB=0,SNR,snr0=-2.0,snr1=0.0;
uint8_t snr1set=0; uint8_t snr1set=0;
double snr_step=1,input_snr_step=1; double snr_step=1,input_snr_step=1;
...@@ -172,7 +170,6 @@ int main(int argc, char **argv) ...@@ -172,7 +170,6 @@ int main(int argc, char **argv)
unsigned int trials,errs[4]= {0,0,0,0}; //,round_trials[4]={0,0,0,0}; unsigned int trials,errs[4]= {0,0,0,0}; //,round_trials[4]={0,0,0,0};
uint8_t N_RB_DL=25,osf=1; uint8_t N_RB_DL=25,osf=1;
double BW=5.0;
uint32_t perfect_ce = 0; uint32_t perfect_ce = 0;
lte_frame_type_t frame_type = FDD; lte_frame_type_t frame_type = FDD;
...@@ -255,27 +252,9 @@ int main(int argc, char **argv) ...@@ -255,27 +252,9 @@ int main(int argc, char **argv)
case 'R': case 'R':
N_RB_DL = atoi(optarg); N_RB_DL = atoi(optarg);
switch (N_RB_DL) { if ((N_RB_DL!=6) && (N_RB_DL!=25) && (N_RB_DL!=50) && (N_RB_DL!=100)) {
case 6:
BW=1.25;
break;
case 25:
BW=5.0;
break;
case 50:
BW=10.0;
break;
case 100:
BW=20.0;
break;
default:
printf("Unsupported Bandwidth %d\n",N_RB_DL); printf("Unsupported Bandwidth %d\n",N_RB_DL);
exit(-1); exit(-1);
break;
} }
break; break;
...@@ -397,7 +376,8 @@ int main(int argc, char **argv) ...@@ -397,7 +376,8 @@ int main(int argc, char **argv)
eNB2UE = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx, eNB2UE = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
0, 0,
0, 0,
0); 0);
...@@ -541,15 +521,26 @@ int main(int argc, char **argv) ...@@ -541,15 +521,26 @@ int main(int argc, char **argv)
subframe%10, subframe%10,
0, 0,
0); 0);
}
if (PHY_vars_UE->perfect_ce==1) {
for (l=2; l<12; l++) { // fill in perfect channel estimates
rx_pmch(PHY_vars_UE, freq_channel(eNB2UE,PHY_vars_UE->lte_frame_parms.N_RB_DL,12*PHY_vars_UE->lte_frame_parms.N_RB_DL + 1);
for(k=0; k<NUMBER_OF_eNB_MAX; k++) {
for(aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
for (i=0; i<frame_parms->N_RB_DL*12; i++) {
((int16_t *) PHY_vars_UE->lte_ue_common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].x*AMP);
((int16_t *) PHY_vars_UE->lte_ue_common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+1+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].y*AMP);
}
}
}
}
}
rx_pmch(PHY_vars_UE,
0, 0,
subframe%10, subframe%10,
l); l);
} }
PHY_vars_UE->dlsch_ue_MCH[0]->harq_processes[0]->G = get_G(&PHY_vars_UE->lte_frame_parms, PHY_vars_UE->dlsch_ue_MCH[0]->harq_processes[0]->G = get_G(&PHY_vars_UE->lte_frame_parms,
......
openair1/SIMULATION/LTE_PHY/pbchsim.c
View file @ ef498d78
...@@ -53,9 +53,6 @@ ...@@ -53,9 +53,6 @@
#include "OCG_vars.h" #include "OCG_vars.h"
#define BW 5.0
PHY_VARS_eNB *PHY_vars_eNb,*PHY_vars_eNb1,*PHY_vars_eNb2; PHY_VARS_eNB *PHY_vars_eNb,*PHY_vars_eNb1,*PHY_vars_eNb2;
PHY_VARS_UE *PHY_vars_UE; PHY_VARS_UE *PHY_vars_UE;
...@@ -485,7 +482,8 @@ int main(int argc, char **argv) ...@@ -485,7 +482,8 @@ int main(int argc, char **argv)
eNB2UE = new_channel_desc_scm(PHY_vars_eNb->lte_frame_parms.nb_antennas_tx, eNB2UE = new_channel_desc_scm(PHY_vars_eNb->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNb->lte_frame_parms.N_RB_DL),
N_RB2channel_bandwidth(PHY_vars_eNb->lte_frame_parms.N_RB_DL),
0, 0,
0, 0,
0); 0);
...@@ -494,7 +492,8 @@ int main(int argc, char **argv) ...@@ -494,7 +492,8 @@ int main(int argc, char **argv)
eNB2UE1 = new_channel_desc_scm(PHY_vars_eNb->lte_frame_parms.nb_antennas_tx, eNB2UE1 = new_channel_desc_scm(PHY_vars_eNb->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNb->lte_frame_parms.N_RB_DL),
N_RB2channel_bandwidth(PHY_vars_eNb->lte_frame_parms.N_RB_DL),
0, 0,
4, 4,
0); 0);
...@@ -503,7 +502,8 @@ int main(int argc, char **argv) ...@@ -503,7 +502,8 @@ int main(int argc, char **argv)
eNB2UE2 = new_channel_desc_scm(PHY_vars_eNb->lte_frame_parms.nb_antennas_tx, eNB2UE2 = new_channel_desc_scm(PHY_vars_eNb->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNb->lte_frame_parms.N_RB_DL),
N_RB2channel_bandwidth(PHY_vars_eNb->lte_frame_parms.N_RB_DL),
0, 0,
8, 8,
0); 0);
......
openair1/SIMULATION/LTE_PHY/pdcchsim.c
View file @ ef498d78
...@@ -552,7 +552,6 @@ int main(int argc, char **argv) ...@@ -552,7 +552,6 @@ int main(int argc, char **argv)
uint32_t *txptr; uint32_t *txptr;
int aarx; int aarx;
int k; int k;
double BW=5.0;
uint32_t perfect_ce = 0; uint32_t perfect_ce = 0;
number_of_cards = 1; number_of_cards = 1;
...@@ -840,28 +839,11 @@ int main(int argc, char **argv) ...@@ -840,28 +839,11 @@ int main(int argc, char **argv)
subframe,NUMBER_OF_OFDM_CARRIERS, subframe,NUMBER_OF_OFDM_CARRIERS,
PHY_vars_eNB->lte_frame_parms.Ncp,PHY_vars_eNB->lte_frame_parms.samples_per_tti,nsymb); PHY_vars_eNB->lte_frame_parms.Ncp,PHY_vars_eNB->lte_frame_parms.samples_per_tti,nsymb);
switch (N_RB_DL) {
case 6:
BW = 1.25;
break;
case 25:
BW = 5.00;
break;
case 50:
BW = 10.00;
break;
case 100:
BW = 20.00;
break;
}
eNB2UE = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx_eNB, eNB2UE = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx_eNB,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_DL),
0, 0,
0, 0,
0); 0);
......
openair1/SIMULATION/LTE_PHY/prachsim.c
View file @ ef498d78
...@@ -47,8 +47,6 @@ ...@@ -47,8 +47,6 @@
#include "OCG_vars.h" #include "OCG_vars.h"
#define BW 5.0
int current_dlsch_cqi; //FIXME! int current_dlsch_cqi; //FIXME!
PHY_VARS_eNB *PHY_vars_eNB; PHY_VARS_eNB *PHY_vars_eNB;
...@@ -412,7 +410,8 @@ int main(int argc, char **argv) ...@@ -412,7 +410,8 @@ int main(int argc, char **argv)
UE2eNB = new_channel_desc_scm(PHY_vars_UE->lte_frame_parms.nb_antennas_tx, UE2eNB = new_channel_desc_scm(PHY_vars_UE->lte_frame_parms.nb_antennas_tx,
PHY_vars_eNB->lte_frame_parms.nb_antennas_rx, PHY_vars_eNB->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_UL),
N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_UL),
0.0, 0.0,
delay, delay,
0); 0);
......
openair1/SIMULATION/LTE_PHY/pucchsim.c
View file @ ef498d78
...@@ -49,8 +49,6 @@ ...@@ -49,8 +49,6 @@
#include "OCG_vars.h" #include "OCG_vars.h"
#include "UTIL/LOG/log_extern.h" #include "UTIL/LOG/log_extern.h"
#define BW 5.0
int current_dlsch_cqi; //FIXME! int current_dlsch_cqi; //FIXME!
PHY_VARS_eNB *PHY_vars_eNB; PHY_VARS_eNB *PHY_vars_eNB;
...@@ -418,7 +416,8 @@ int main(int argc, char **argv) ...@@ -418,7 +416,8 @@ int main(int argc, char **argv)
UE2eNB = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx, UE2eNB = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_UL),
N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_UL),
0.0, 0.0,
0, 0,
0); 0);
......
openair1/SIMULATION/LTE_PHY/ulsim.c
View file @ ef498d78
...@@ -58,23 +58,11 @@ ...@@ -58,23 +58,11 @@
extern unsigned short dftsizes[33]; extern unsigned short dftsizes[33];
extern short *ul_ref_sigs[30][2][33]; extern short *ul_ref_sigs[30][2][33];
//#define AWGN
//#define NO_DCI
#define BW 7.68
//#define ABSTRACTION
//#define PERFECT_CE
/*
#define RBmask0 0x00fc00fc
#define RBmask1 0x0
#define RBmask2 0x0
#define RBmask3 0x0
*/
PHY_VARS_eNB *PHY_vars_eNB; PHY_VARS_eNB *PHY_vars_eNB;
PHY_VARS_UE *PHY_vars_UE; PHY_VARS_UE *PHY_vars_UE;
#define MCS_COUNT 23//added for PHY abstraction //#define MCS_COUNT 23//added for PHY abstraction
channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX]; channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX];
channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX]; channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX];
...@@ -155,11 +143,6 @@ void lte_param_init(unsigned char N_tx, unsigned char N_rx,unsigned char transmi ...@@ -155,11 +143,6 @@ void lte_param_init(unsigned char N_tx, unsigned char N_rx,unsigned char transmi
#define UL_RB_ALLOC 0x1ff;
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
...@@ -172,8 +155,6 @@ int main(int argc, char **argv) ...@@ -172,8 +155,6 @@ int main(int argc, char **argv)
double input_snr_step=.2,snr_int=30; double input_snr_step=.2,snr_int=30;
double blerr; double blerr;
//int **txdataF, **txdata;
int **txdata; int **txdata;
LTE_DL_FRAME_PARMS *frame_parms; LTE_DL_FRAME_PARMS *frame_parms;
...@@ -695,7 +676,8 @@ int main(int argc, char **argv) ...@@ -695,7 +676,8 @@ int main(int argc, char **argv)
UE2eNB = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx, UE2eNB = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx,
PHY_vars_UE->lte_frame_parms.nb_antennas_rx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx,
channel_model, channel_model,
BW, N_RB2sampling_rate(PHY_vars_eNB->lte_frame_parms.N_RB_UL),
N_RB2channel_bandwidth(PHY_vars_eNB->lte_frame_parms.N_RB_UL),
forgetting_factor, forgetting_factor,
delay, delay,
0); 0);
......
openair1/SIMULATION/TOOLS/abstraction.c
View file @ ef498d78
...@@ -73,7 +73,7 @@ void init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples) ...@@ -73,7 +73,7 @@ void init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
if (desc->nb_taps==1) if (desc->nb_taps==1)
delay = desc->delays[l]; delay = desc->delays[l];
else else
delay = desc->delays[l]+NB_SAMPLES_CHANNEL_OFFSET/desc->BW; delay = desc->delays[l]+NB_SAMPLES_CHANNEL_OFFSET/desc->sampling_rate;
cos_lut[f+(n_samples>>1)][l] = cos(2*M_PI*freq*delay); cos_lut[f+(n_samples>>1)][l] = cos(2*M_PI*freq*delay);
sin_lut[f+(n_samples>>1)][l] = sin(2*M_PI*freq*delay); sin_lut[f+(n_samples>>1)][l] = sin(2*M_PI*freq*delay);
......
openair1/SIMULATION/TOOLS/defs.h
View file @ ef498d78
...@@ -69,7 +69,9 @@ typedef struct { ...@@ -69,7 +69,9 @@ typedef struct {
///Maximum path delay in mus. ///Maximum path delay in mus.
double Td; double Td;
///Channel bandwidth in MHz. ///Channel bandwidth in MHz.
double BW; double channel_bandwidth;
///System sampling rate in Msps.
double sampling_rate;
///Ricean factor of first tap wrt other taps (0..1, where 0 means AWGN and 1 means Rayleigh channel). ///Ricean factor of first tap wrt other taps (0..1, where 0 means AWGN and 1 means Rayleigh channel).
double ricean_factor; double ricean_factor;
///Angle of arrival of wavefront (in radians). For Ricean channel only. This assumes that both RX and TX have linear antenna arrays with lambda/2 antenna spacing. Furhter it is assumed that the arrays are parallel to each other and that they are far enough apart so that we can safely assume plane wave propagation. ///Angle of arrival of wavefront (in radians). For Ricean channel only. This assumes that both RX and TX have linear antenna arrays with lambda/2 antenna spacing. Furhter it is assumed that the arrays are parallel to each other and that they are far enough apart so that we can safely assume plane wave propagation.
...@@ -202,7 +204,8 @@ typedef enum { ...@@ -202,7 +204,8 @@ typedef enum {
channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
uint8_t nb_rx, uint8_t nb_rx,
SCM_t channel_model, SCM_t channel_model,
double BW, double sampling_rate,
double channel_bandwidth,
double forgetting_factor, double forgetting_factor,
int32_t channel_offset, int32_t channel_offset,
double path_loss_dB); double path_loss_dB);
...@@ -364,6 +367,10 @@ void multipath_tv_channel(channel_desc_t *desc, ...@@ -364,6 +367,10 @@ void multipath_tv_channel(channel_desc_t *desc,
/**@} */ /**@} */
/**@} */ /**@} */
double N_RB2sampling_rate(uint16_t N_RB);
double N_RB2channel_bandwidth(uint16_t N_RB);
#endif #endif
openair1/SIMULATION/TOOLS/multipath_tv_channel.c
View file @ ef498d78
...@@ -175,13 +175,13 @@ void tv_channel(channel_desc_t *desc,double complex ***H,uint16_t length) ...@@ -175,13 +175,13 @@ void tv_channel(channel_desc_t *desc,double complex ***H,uint16_t length)
{ {
for(p=0;p<desc->nb_paths;p++) for(p=0;p<desc->nb_paths;p++)
{ {
H[i][j] += sqrt(desc->amps[j]/2)*alpha[p]*cexp(-I*(2*pi*w_Hz[p]*i*(1/(desc->BW*1e6))+phi_rad[p])); H[i][j] += sqrt(desc->amps[j]/2)*alpha[p]*cexp(-I*(2*pi*w_Hz[p]*i*(1/(desc->sampling_rate*1e6))+phi_rad[p]));
} }
} }
} }
for(j=0;j<desc->nb_paths;j++) for(j=0;j<desc->nb_paths;j++)
{ {
phi_rad[j] = fmod(2*pi*w_Hz[j]*(length-1)*(1/desc->BW)+phi_rad[j],2*pi); phi_rad[j] = fmod(2*pi*w_Hz[j]*(length-1)*(1/desc->sampling_rate)+phi_rad[j],2*pi);
} }
*/ */
...@@ -193,13 +193,13 @@ void tv_channel(channel_desc_t *desc,double complex ***H,uint16_t length) ...@@ -193,13 +193,13 @@ void tv_channel(channel_desc_t *desc,double complex ***H,uint16_t length)
H[i+(j*desc->nb_rx)][k][l] = 0; H[i+(j*desc->nb_rx)][k][l] = 0;
for(p=0; p<desc->nb_paths; p++) { for(p=0; p<desc->nb_paths; p++) {
H[i+(j*desc->nb_rx)][k][l] += sqrt(desc->amps[l]/2)*alpha[p]*cexp(I*(2*pi*w_Hz[p]*k*(1/(desc->BW*1e6))+phi_rad[p])); H[i+(j*desc->nb_rx)][k][l] += sqrt(desc->amps[l]/2)*alpha[p]*cexp(I*(2*pi*w_Hz[p]*k*(1/(desc->sampling_rate*1e6))+phi_rad[p]));
} }
} }
} }
for(j=0; j<desc->nb_paths; j++) { for(j=0; j<desc->nb_paths; j++) {
phi_rad[j] = fmod(2*pi*w_Hz[j]*(length-1)*(1/desc->BW)+phi_rad[j],2*pi); phi_rad[j] = fmod(2*pi*w_Hz[j]*(length-1)*(1/desc->sampling_rate)+phi_rad[j],2*pi);
} }
} }
} }
......
openair1/SIMULATION/TOOLS/random_channel.c
View file @ ef498d78
...@@ -48,7 +48,8 @@ void fill_channel_desc(channel_desc_t *chan_desc, ...@@ -48,7 +48,8 @@ void fill_channel_desc(channel_desc_t *chan_desc,
double *delays, double *delays,
struct complex** R_sqrt, struct complex** R_sqrt,
double Td, double Td,
double BW, double sampling_rate,
double channel_bandwidth,
double ricean_factor, double ricean_factor,
double aoa, double aoa,
double forgetting_factor, double forgetting_factor,
...@@ -81,7 +82,8 @@ void fill_channel_desc(channel_desc_t *chan_desc, ...@@ -81,7 +82,8 @@ void fill_channel_desc(channel_desc_t *chan_desc,
chan_desc->delays = delays; chan_desc->delays = delays;
chan_desc->Td = Td; chan_desc->Td = Td;
chan_desc->BW = BW; chan_desc->sampling_rate = sampling_rate;
chan_desc->channel_bandwidth = channel_bandwidth;
chan_desc->ricean_factor = ricean_factor; chan_desc->ricean_factor = ricean_factor;
chan_desc->aoa = aoa; chan_desc->aoa = aoa;
chan_desc->random_aoa = random_aoa; chan_desc->random_aoa = random_aoa;
...@@ -195,7 +197,8 @@ struct complex **R_sqrt_ptr2; ...@@ -195,7 +197,8 @@ struct complex **R_sqrt_ptr2;
channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
uint8_t nb_rx, uint8_t nb_rx,
SCM_t channel_model, SCM_t channel_model,
double BW, double sampling_rate,
double channel_bandwidth,
double forgetting_factor, double forgetting_factor,
int32_t channel_offset, int32_t channel_offset,
double path_loss_dB) double path_loss_dB)
...@@ -209,7 +212,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -209,7 +212,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
chan_desc->nb_tx = nb_tx; chan_desc->nb_tx = nb_tx;
chan_desc->nb_rx = nb_rx; chan_desc->nb_rx = nb_rx;
chan_desc->BW = BW; chan_desc->sampling_rate = sampling_rate;
chan_desc->channel_bandwidth = channel_bandwidth;
chan_desc->forgetting_factor = forgetting_factor; chan_desc->forgetting_factor = forgetting_factor;
chan_desc->channel_offset = channel_offset; chan_desc->channel_offset = channel_offset;
chan_desc->path_loss_dB = path_loss_dB; chan_desc->path_loss_dB = path_loss_dB;
...@@ -232,7 +236,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -232,7 +236,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
case SCM_C: case SCM_C:
chan_desc->nb_taps = 18; chan_desc->nb_taps = 18;
chan_desc->Td = 4.625; chan_desc->Td = 4.625;
chan_desc->channel_length = (int) (2*chan_desc->BW*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->BW*chan_desc->Td)); chan_desc->channel_length = (int) (2*chan_desc->sampling_rate*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->sampling_rate*chan_desc->Td));
sum_amps = 0; sum_amps = 0;
chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double)); chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double));
...@@ -291,7 +295,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -291,7 +295,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
LOG_W(OCM,"This is not the real SCM-D model! It is just SCM-C with an additional Rice factor!\n"); LOG_W(OCM,"This is not the real SCM-D model! It is just SCM-C with an additional Rice factor!\n");
chan_desc->nb_taps = 18; chan_desc->nb_taps = 18;
chan_desc->Td = 4.625; chan_desc->Td = 4.625;
chan_desc->channel_length = (int) (2*chan_desc->BW*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->BW*chan_desc->Td)); chan_desc->channel_length = (int) (2*chan_desc->sampling_rate*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->sampling_rate*chan_desc->Td));
sum_amps = 0; sum_amps = 0;
chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double)); chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double));
...@@ -349,7 +353,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -349,7 +353,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
case EPA: case EPA:
chan_desc->nb_taps = 7; chan_desc->nb_taps = 7;
chan_desc->Td = .410; chan_desc->Td = .410;
chan_desc->channel_length = (int) (2*chan_desc->BW*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->BW*chan_desc->Td)); chan_desc->channel_length = (int) (2*chan_desc->sampling_rate*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->sampling_rate*chan_desc->Td));
sum_amps = 0; sum_amps = 0;
chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double)); chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double));
...@@ -403,7 +407,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -403,7 +407,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
case EVA: case EVA:
chan_desc->nb_taps = 9; chan_desc->nb_taps = 9;
chan_desc->Td = 2.51; chan_desc->Td = 2.51;
chan_desc->channel_length = (int) (2*chan_desc->BW*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->BW*chan_desc->Td)); chan_desc->channel_length = (int) (2*chan_desc->sampling_rate*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->sampling_rate*chan_desc->Td));
sum_amps = 0; sum_amps = 0;
chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double)); chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double));
...@@ -457,7 +461,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -457,7 +461,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
case ETU: case ETU:
chan_desc->nb_taps = 9; chan_desc->nb_taps = 9;
chan_desc->Td = 5.0; chan_desc->Td = 5.0;
chan_desc->channel_length = (int) (2*chan_desc->BW*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->BW*chan_desc->Td)); chan_desc->channel_length = (int) (2*chan_desc->sampling_rate*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->sampling_rate*chan_desc->Td));
sum_amps = 0; sum_amps = 0;
chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double)); chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double));
...@@ -511,7 +515,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -511,7 +515,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
case MBSFN: case MBSFN:
chan_desc->nb_taps = 18; chan_desc->nb_taps = 18;
chan_desc->Td = 28.58; chan_desc->Td = 28.58;
chan_desc->channel_length = (int) (2*chan_desc->BW*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->BW*chan_desc->Td)); chan_desc->channel_length = (int) (2*chan_desc->sampling_rate*chan_desc->Td + 1 + 2/(M_PI*M_PI)*log(4*M_PI*chan_desc->sampling_rate*chan_desc->Td));
sum_amps = 0; sum_amps = 0;
chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double)); chan_desc->amps = (double*) malloc(chan_desc->nb_taps*sizeof(double));
...@@ -558,7 +562,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -558,7 +562,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
case Rayleigh8: case Rayleigh8:
nb_taps = 8; nb_taps = 8;
Td = 0.8; Td = 0.8;
channel_length = (int)11+2*BW*Td; channel_length = (int)11+2*sampling_rate*Td;
ricean_factor = 1; ricean_factor = 1;
aoa = .03; aoa = .03;
maxDoppler = 0; maxDoppler = 0;
...@@ -572,7 +576,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -572,7 +576,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
NULL, NULL,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -585,7 +590,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -585,7 +590,7 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
case Rice8: case Rice8:
nb_taps = 8; nb_taps = 8;
Td = 0.8; Td = 0.8;
channel_length = (int)11+2*BW*Td; channel_length = (int)11+2*sampling_rate*Td;
ricean_factor = 0.1; ricean_factor = 0.1;
aoa = .03; aoa = .03;
maxDoppler = 0; maxDoppler = 0;
...@@ -598,7 +603,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -598,7 +603,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
NULL, NULL,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -624,7 +630,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -624,7 +630,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
NULL, NULL,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -650,7 +657,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -650,7 +657,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
NULL, NULL,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -683,7 +691,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -683,7 +691,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
R_sqrt_ptr2, R_sqrt_ptr2,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -716,7 +725,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -716,7 +725,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
R_sqrt_ptr2, R_sqrt_ptr2,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -742,7 +752,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -742,7 +752,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
NULL, NULL,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -768,7 +779,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -768,7 +779,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
NULL, NULL,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -803,7 +815,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -803,7 +815,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
R_sqrt_ptr2, R_sqrt_ptr2,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -836,7 +849,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx, ...@@ -836,7 +849,8 @@ channel_desc_t *new_channel_desc_scm(uint8_t nb_tx,
NULL, NULL,
R_sqrt_ptr2, R_sqrt_ptr2,
Td, Td,
BW, sampling_rate,
channel_bandwidth,
ricean_factor, ricean_factor,
aoa, aoa,
forgetting_factor, forgetting_factor,
...@@ -985,11 +999,11 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) ...@@ -985,11 +999,11 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag)
desc->ch[aarx+(aatx*desc->nb_rx)][k].y = 0.0; desc->ch[aarx+(aatx*desc->nb_rx)][k].y = 0.0;
for (l=0; l<desc->nb_taps; l++) { for (l=0; l<desc->nb_taps; l++) {
if ((k - (desc->delays[l]*desc->BW) - NB_SAMPLES_CHANNEL_OFFSET) == 0) if ((k - (desc->delays[l]*desc->sampling_rate) - NB_SAMPLES_CHANNEL_OFFSET) == 0)
s = 1.0; s = 1.0;
else else
s = sin(M_PI*(k - (desc->delays[l]*desc->BW) - NB_SAMPLES_CHANNEL_OFFSET))/ s = sin(M_PI*(k - (desc->delays[l]*desc->sampling_rate) - NB_SAMPLES_CHANNEL_OFFSET))/
(M_PI*(k - (desc->delays[l]*desc->BW) - NB_SAMPLES_CHANNEL_OFFSET)); (M_PI*(k - (desc->delays[l]*desc->sampling_rate) - NB_SAMPLES_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].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; desc->ch[aarx+(aatx*desc->nb_rx)][k].y += s*desc->a[l][aarx+(aatx*desc->nb_rx)].y;
...@@ -1014,22 +1028,77 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag) ...@@ -1014,22 +1028,77 @@ int random_channel(channel_desc_t *desc, uint8_t abstraction_flag)
return (0); return (0);
} }
double N_RB2sampling_rate(uint16_t N_RB)
{
double sampling_rate;
switch (N_RB) {
case 6:
sampling_rate = 1.92;
break;
case 25:
sampling_rate = 7.68;
break;
case 50:
sampling_rate = 15.36;
break;
case 100:
sampling_rate = 30.72;
break;
default:
LOG_E(PHY,"Unknown N_PRB\n");
return(-1);
}
return(sampling_rate);
}
double N_RB2channel_bandwidth(uint16_t N_RB)
{
double channel_bandwidth;
switch (N_RB) {
case 6:
channel_bandwidth = 1.25;
break;
case 25:
channel_bandwidth = 5.00;
break;
case 50:
channel_bandwidth = 10.00;
break;
case 100:
channel_bandwidth = 20.00;
break;
default:
LOG_E(PHY,"Unknown N_PRB\n");
return(-1);
}
return(channel_bandwidth);
}
#ifdef RANDOM_CHANNEL_MAIN #ifdef RANDOM_CHANNEL_MAIN
#define BW 5.0 #define sampling_rate 5.0
#define Td 2.0 #define Td 2.0
main(int argc,char **argv) main(int argc,char **argv)
{ {
double amps[8] = {.8,.2,.1,.04,.02,.01,.005}; double amps[8] = {.8,.2,.1,.04,.02,.01,.005};
struct complex ch[(int)(1+2*BW*Td)],phase; struct complex ch[(int)(1+2*sampling_rate*Td)],phase;
int i; int i;
randominit(); randominit();
phase.x = 1.0; phase.x = 1.0;
phase.y = 0; phase.y = 0;
random_channel(amps,Td, 8,BW,ch,(double)1.0,&phase); random_channel(amps,Td, 8,sampling_rate,ch,(double)1.0,&phase);
/* /*
for (i=0;i<(11+2*BW*Td);i++){ for (i=0;i<(11+2*sampling_rate*Td);i++){
printf("%f + sqrt(-1)*%f\n",ch[i].x,ch[i].y); printf("%f + sqrt(-1)*%f\n",ch[i].x,ch[i].y);
} }
*/ */
......
targets/ARCH/COMMON/common_lib.c
View file @ ef498d78
...@@ -52,7 +52,7 @@ int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cf ...@@ -52,7 +52,7 @@ int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cf
openair0_dev_init_exmimo(device, openair0_cfg); openair0_dev_init_exmimo(device, openair0_cfg);
printf("openair0_dev_init_exmimo...\n"); printf("openair0_dev_init_exmimo...\n");
#elif OAI_USRP #elif OAI_USRP
device->type=USRP_IF; device->type=USRP_B200_IF;
openair0_dev_init_usrp(device, openair0_cfg); openair0_dev_init_usrp(device, openair0_cfg);
printf("openair0_dev_init_usrp ...\n"); printf("openair0_dev_init_usrp ...\n");
#elif OAI_BLADERF #elif OAI_BLADERF
......
targets/ARCH/COMMON/common_lib.h
View file @ ef498d78
...@@ -84,10 +84,10 @@ typedef struct { ...@@ -84,10 +84,10 @@ typedef struct {
double sample_rate; double sample_rate;
//! number of samples per RX/TX packet (USRP + Ethernet) //! number of samples per RX/TX packet (USRP + Ethernet)
int samples_per_packet; int samples_per_packet;
// delay in sending samples (write) due to hardware access, softmodem processing and fronthaul delay if exist //! delay in sending samples (write) due to hardware access, softmodem processing and fronthaul delay if exist
int tx_delay; int tx_scheduling_advance;
//! adjust the position of the samples after delay when sending //! offset in samples between TX and RX paths
unsigned int tx_forward_nsamps; int tx_sample_advance;
//! number of RX channels (=RX antennas) //! number of RX channels (=RX antennas)
int rx_num_channels; int rx_num_channels;
//! number of TX channels (=TX antennas) //! number of TX channels (=TX antennas)
...@@ -98,6 +98,10 @@ typedef struct { ...@@ -98,6 +98,10 @@ typedef struct {
//! \brief Center frequency in Hz for TX. //! \brief Center frequency in Hz for TX.
//! index: [0..rx_num_channels[ !!! see lte-ue.c:427 FIXME iterates over rx_num_channels //! index: [0..rx_num_channels[ !!! see lte-ue.c:427 FIXME iterates over rx_num_channels
double tx_freq[4]; double tx_freq[4];
//! \brief Pointer to Calibration table for RX gains
rx_gain_calib_table_t *rx_gain_calib_table;
//! mode for rxgain (ExpressMIMO2) //! mode for rxgain (ExpressMIMO2)
rx_gain_t rxg_mode[4]; rx_gain_t rxg_mode[4];
//! \brief Gain for RX in dB. //! \brief Gain for RX in dB.
...@@ -147,8 +151,10 @@ typedef enum { ...@@ -147,8 +151,10 @@ typedef enum {
ETH_IF, ETH_IF,
/*!\brief device is ExpressMIMO */ /*!\brief device is ExpressMIMO */
EXMIMO_IF, EXMIMO_IF,
/*!\brief device is USRP*/ /*!\brief device is USRP B200/B210*/
USRP_IF, USRP_B200_IF,
/*!\brief device is USRP X300/X310*/
USRP_X300_IF,
/*!\brief device is BLADE RF*/ /*!\brief device is BLADE RF*/
BLADERF_IF, BLADERF_IF,
/*!\brief device is NONE*/ /*!\brief device is NONE*/
......
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
View file @ ef498d78
...@@ -171,31 +171,45 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp ...@@ -171,31 +171,45 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
#endif #endif
if (device->type == USRP_B200_IF) {
if (cc>1) { if (cc>1) {
// receive multiple channels (e.g. RF A and RF B) // receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs; std::vector<void *> buff_ptrs;
for (int i=0;i<cc;i++) buff_ptrs.push_back(buff_tmp[i]);
samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md); for (int i=0;i<cc;i++) buff_ptrs.push_back(buff_tmp[i]);
} else { samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
} else {
// receive a single channel (e.g. from connector RF A) // receive a single channel (e.g. from connector RF A)
samples_received = s->rx_stream->recv(buff_tmp[0], nsamps, s->rx_md); samples_received = s->rx_stream->recv(buff_tmp[0], nsamps, s->rx_md);
} }
// bring RX data into 12 LSBs for softmodem RX // bring RX data into 12 LSBs for softmodem RX
for (int i=0;i<cc;i++) { for (int i=0;i<cc;i++) {
for (int j=0; j<nsamps2; j++) { for (int j=0; j<nsamps2; j++) {
#if defined(__x86_64__) || defined(__i386__) #if defined(__x86_64__) || defined(__i386__)
#ifdef __AVX2__ #ifdef __AVX2__
((__m256i *)buff[i])[j] = _mm256_srai_epi16(buff_tmp[i][j],4); ((__m256i *)buff[i])[j] = _mm256_srai_epi16(buff_tmp[i][j],4);
#else #else
((__m128i *)buff[i])[j] = _mm_srai_epi16(buff_tmp[i][j],4); ((__m128i *)buff[i])[j] = _mm_srai_epi16(buff_tmp[i][j],4);
#endif #endif
#elif defined(__arm__) #elif defined(__arm__)
((int16x8_t*)buff[i])[j] = vshrq_n_s16(buff_tmp[i][j],4); ((int16x8_t*)buff[i])[j] = vshrq_n_s16(buff_tmp[i][j],4);
#endif #endif
}
} }
} else if (device->type == USRP_X300_IF) {
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
for (int i=0;i<cc;i++) buff_ptrs.push_back(buff[i]);
samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
} else {
// receive a single channel (e.g. from connector RF A)
samples_received = s->rx_stream->recv(buff[0], nsamps, s->rx_md);
} }
}
if (samples_received < nsamps) { if (samples_received < nsamps) {
printf("[recv] received %d samples out of %d\n",samples_received,nsamps); printf("[recv] received %d samples out of %d\n",samples_received,nsamps);
...@@ -279,7 +293,7 @@ int trx_usrp_set_gains(openair0_device* device, ...@@ -279,7 +293,7 @@ int trx_usrp_set_gains(openair0_device* device,
exit(-1); exit(-1);
} }
s->usrp->set_rx_gain(openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]); s->usrp->set_rx_gain(openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]);
printf("Setting USRP RX gain to %f\n", openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]); printf("Setting USRP RX gain to %f (rx_gain %f,gain_range.stop() %f)\n", openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0],openair0_cfg[0].rx_gain[0],gain_range.stop());
return(0); return(0);
} }
...@@ -289,7 +303,7 @@ int trx_usrp_stop(int card) { ...@@ -289,7 +303,7 @@ int trx_usrp_stop(int card) {
} }
rx_gain_calib_table_t calib_table[] = { rx_gain_calib_table_t calib_table_b210[] = {
{3500000000.0,46.0}, {3500000000.0,46.0},
{2660000000.0,53.0}, {2660000000.0,53.0},
{2300000000.0,54.0}, {2300000000.0,54.0},
...@@ -297,19 +311,29 @@ rx_gain_calib_table_t calib_table[] = { ...@@ -297,19 +311,29 @@ rx_gain_calib_table_t calib_table[] = {
{816000000.0,62.0}, {816000000.0,62.0},
{-1,0}}; {-1,0}};
rx_gain_calib_table_t calib_table_x310[] = {
{3500000000.0,77.0},
{2660000000.0,80.0},
{2300000000.0,81.0},
{1880000000.0,82.0},
{816000000.0,85.0},
{-1,0}};
void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) { void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) {
int i=0; int i=0;
// loop through calibration table to find best adjustment factor for RX frequency // loop through calibration table to find best adjustment factor for RX frequency
double min_diff = 6e9,diff; double min_diff = 6e9,diff;
while (calib_table[i].freq>0) { while (openair0_cfg->rx_gain_calib_table[i].freq>0) {
diff = fabs(openair0_cfg->rx_freq[chain_index] - calib_table[i].freq); diff = fabs(openair0_cfg->rx_freq[chain_index] - openair0_cfg->rx_gain_calib_table[i].freq);
printf("cal %d: freq %f, offset %f, diff %f\n", printf("cal %d: freq %f, offset %f, diff %f\n",
i,calib_table[i].freq,calib_table[i].offset,diff); i,
openair0_cfg->rx_gain_calib_table[i].freq,
openair0_cfg->rx_gain_calib_table[i].offset,diff);
if (min_diff > diff) { if (min_diff > diff) {
min_diff = diff; min_diff = diff;
openair0_cfg->rx_gain_offset[chain_index] = calib_table[i].offset; openair0_cfg->rx_gain_offset[chain_index] = openair0_cfg->rx_gain_calib_table[i].offset;
} }
i++; i++;
} }
...@@ -372,9 +396,43 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_ ...@@ -372,9 +396,43 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
// lock mboard clocks // lock mboard clocks
s->usrp->set_clock_source("internal"); s->usrp->set_clock_source("internal");
//Setting device type to USRP X300/X310
device->type=USRP_X300_IF;
// this is not working yet, master clock has to be set via constructor // this is not working yet, master clock has to be set via constructor
// set master clock rate and sample rate for tx & rx for streaming // set master clock rate and sample rate for tx & rx for streaming
//s->usrp->set_master_clock_rate(usrp_master_clock); //s->usrp->set_master_clock_rate(usrp_master_clock);
openair0_cfg[0].rx_gain_calib_table = calib_table_x310;
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
// from usrp_time_offset
openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_scheduling_advance = 8*openair0_cfg[0].samples_per_packet;
break;
case 15360000:
openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 45;
openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
break;
case 7680000:
openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 50;
openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
break;
case 1920000:
openair0_cfg[0].samples_per_packet = 256;
openair0_cfg[0].tx_sample_advance = 50;
openair0_cfg[0].tx_scheduling_advance = 8*openair0_cfg[0].samples_per_packet;
break;
default:
printf("Error: unknown sampling rate %f\n",openair0_cfg[0].sample_rate);
exit(-1);
break;
}
} else { } else {
printf("Found USRP B200"); printf("Found USRP B200");
s->usrp = uhd::usrp::multi_usrp::make(args); s->usrp = uhd::usrp::multi_usrp::make(args);
...@@ -386,10 +444,42 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_ ...@@ -386,10 +444,42 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
// // lock mboard clocks // // lock mboard clocks
// s->usrp->set_clock_source("internal"); // s->usrp->set_clock_source("internal");
// set master clock rate and sample rate for tx & rx for streaming // set master clock rate and sample rate for tx & rx for streaming
device->type = USRP_B200_IF;
s->usrp->set_master_clock_rate(30.72e6); s->usrp->set_master_clock_rate(30.72e6);
}
openair0_cfg[0].rx_gain_calib_table = calib_table_b210;
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
// from usrp_time_offset
openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 115;
openair0_cfg[0].tx_scheduling_advance = 11*openair0_cfg[0].samples_per_packet;
break;
case 15360000:
openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 113;
openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
break;
case 7680000:
openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 103;
openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
break;
case 1920000:
openair0_cfg[0].samples_per_packet = 256;
openair0_cfg[0].tx_sample_advance = 40;
openair0_cfg[0].tx_scheduling_advance = 8*openair0_cfg[0].samples_per_packet;
break;
default:
printf("Error: unknown sampling rate %f\n",openair0_cfg[0].sample_rate);
exit(-1);
break;
}
}
for(i=0;i<s->usrp->get_rx_num_channels();i++) { for(i=0;i<s->usrp->get_rx_num_channels();i++) {
if (i<openair0_cfg[0].rx_num_channels) { if (i<openair0_cfg[0].rx_num_channels) {
......
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.100PRB.usrpx310.conf
View file @ ef498d78
...@@ -35,7 +35,7 @@ eNBs = ...@@ -35,7 +35,7 @@ eNBs =
nb_antennas_tx = 1; nb_antennas_tx = 1;
nb_antennas_rx = 1; nb_antennas_rx = 1;
tx_gain = 32; tx_gain = 32;
rx_gain = 84; rx_gain = 116;
prach_root = 0; prach_root = 0;
prach_config_index = 0; prach_config_index = 0;
prach_high_speed = "DISABLE"; prach_high_speed = "DISABLE";
......
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.25PRB.usrpx310.epc.remote.conf 0 → 100644
View file @ ef498d78
Active_eNBs = ( "eNB_Eurecom_LTEBox");
# Asn1_verbosity, choice in: none, info, annoying
Asn1_verbosity = "none";
eNBs =
(
{
////////// Identification parameters:
eNB_ID = 0xe00;
cell_type = "CELL_MACRO_ENB";
eNB_name = "eNB_Eurecom_LTEBox";
// Tracking area code, 0x0000 and 0xfffe are reserved values
tracking_area_code = "1";
mobile_country_code = "208";
mobile_network_code = "92";
////////// Physical parameters:
component_carriers = (
{
frame_type = "FDD";
tdd_config = 3;
tdd_config_s = 0;
prefix_type = "NORMAL";
eutra_band = 7;
downlink_frequency = 2660000000L;
uplink_frequency_offset = -120000000;
Nid_cell = 0;
N_RB_DL = 25;
Nid_cell_mbsfn = 0;
nb_antennas_tx = 1;
nb_antennas_rx = 1;
tx_gain = 32;
rx_gain = 116;
prach_root = 0;
prach_config_index = 0;
prach_high_speed = "DISABLE";
prach_zero_correlation = 1;
prach_freq_offset = 2;
pucch_delta_shift = 1;
pucch_nRB_CQI = 1;
pucch_nCS_AN = 0;
pucch_n1_AN = 32;
pdsch_referenceSignalPower = -16;
pdsch_p_b = 0;
pusch_n_SB = 1;
pusch_enable64QAM = "DISABLE";
pusch_hoppingMode = "interSubFrame";
pusch_hoppingOffset = 0;
pusch_groupHoppingEnabled = "ENABLE";
pusch_groupAssignment = 0;
pusch_sequenceHoppingEnabled = "DISABLE";
pusch_nDMRS1 = 1;
phich_duration = "NORMAL";
phich_resource = "ONESIXTH";
srs_enable = "DISABLE";
/* srs_BandwidthConfig =;
srs_SubframeConfig =;
srs_ackNackST =;
srs_MaxUpPts =;*/
pusch_p0_Nominal = -90;
pusch_alpha = "AL1";
pucch_p0_Nominal = -108;
msg3_delta_Preamble = 6;
pucch_deltaF_Format1 = "deltaF2";
pucch_deltaF_Format1b = "deltaF3";
pucch_deltaF_Format2 = "deltaF0";
pucch_deltaF_Format2a = "deltaF0";
pucch_deltaF_Format2b = "deltaF0";
rach_numberOfRA_Preambles = 64;
rach_preamblesGroupAConfig = "DISABLE";
/*
rach_sizeOfRA_PreamblesGroupA = ;
rach_messageSizeGroupA = ;
rach_messagePowerOffsetGroupB = ;
*/
rach_powerRampingStep = 4;
rach_preambleInitialReceivedTargetPower = -108;
rach_preambleTransMax = 10;
rach_raResponseWindowSize = 10;
rach_macContentionResolutionTimer = 48;
rach_maxHARQ_Msg3Tx = 4;
pcch_default_PagingCycle = 128;
pcch_nB = "oneT";
bcch_modificationPeriodCoeff = 2;
ue_TimersAndConstants_t300 = 1000;
ue_TimersAndConstants_t301 = 1000;
ue_TimersAndConstants_t310 = 1000;
ue_TimersAndConstants_t311 = 10000;
ue_TimersAndConstants_n310 = 20;
ue_TimersAndConstants_n311 = 1;
}
);
srb1_parameters :
{
# timer_poll_retransmit = (ms) [5, 10, 15, 20,... 250, 300, 350, ... 500]
timer_poll_retransmit = 80;
# timer_reordering = (ms) [0,5, ... 100, 110, 120, ... ,200]
timer_reordering = 35;
# timer_reordering = (ms) [0,5, ... 250, 300, 350, ... ,500]
timer_status_prohibit = 0;
# poll_pdu = [4, 8, 16, 32 , 64, 128, 256, infinity(>10000)]
poll_pdu = 4;
# poll_byte = (kB) [25,50,75,100,125,250,375,500,750,1000,1250,1500,2000,3000,infinity(>10000)]
poll_byte = 99999;
# max_retx_threshold = [1, 2, 3, 4 , 6, 8, 16, 32]
max_retx_threshold = 4;
}
# ------- SCTP definitions
SCTP :
{
# Number of streams to use in input/output
SCTP_INSTREAMS = 2;
SCTP_OUTSTREAMS = 2;
};
////////// MME parameters:
mme_ip_address = ( { ipv4 = "192.168.12.26";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
}
);
NETWORK_INTERFACES :
{
ENB_INTERFACE_NAME_FOR_S1_MME = "eth0";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.111/24";
ENB_INTERFACE_NAME_FOR_S1U = "eth0";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.111/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
log_config :
{
global_log_level ="debug";
global_log_verbosity ="medium";
hw_log_level ="info";
hw_log_verbosity ="medium";
phy_log_level ="info";
phy_log_verbosity ="medium";
mac_log_level ="info";
mac_log_verbosity ="high";
rlc_log_level ="info";
rlc_log_verbosity ="medium";
pdcp_log_level ="info";
pdcp_log_verbosity ="medium";
rrc_log_level ="info";
rrc_log_verbosity ="medium";
};
}
);
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpx310.conf
View file @ ef498d78
...@@ -35,7 +35,7 @@ eNBs = ...@@ -35,7 +35,7 @@ eNBs =
nb_antennas_tx = 1; nb_antennas_tx = 1;
nb_antennas_rx = 1; nb_antennas_rx = 1;
tx_gain = 32; tx_gain = 32;
rx_gain = 82; rx_gain = 120;
prach_root = 0; prach_root = 0;
prach_config_index = 0; prach_config_index = 0;
prach_high_speed = "DISABLE"; prach_high_speed = "DISABLE";
......
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.epc.remote.conf
View file @ ef498d78
...@@ -16,7 +16,7 @@ eNBs = ...@@ -16,7 +16,7 @@ eNBs =
tracking_area_code = "1"; tracking_area_code = "1";
mobile_country_code = "208"; mobile_country_code = "208";
mobile_network_code = "95"; mobile_network_code = "92";
////////// Physical parameters: ////////// Physical parameters:
...@@ -30,12 +30,12 @@ eNBs = ...@@ -30,12 +30,12 @@ eNBs =
downlink_frequency = 2660000000L; downlink_frequency = 2660000000L;
uplink_frequency_offset = -120000000; uplink_frequency_offset = -120000000;
Nid_cell = 0; Nid_cell = 0;
N_RB_DL = 25; N_RB_DL = 100;
Nid_cell_mbsfn = 0; Nid_cell_mbsfn = 0;
nb_antennas_tx = 1; nb_antennas_tx = 1;
nb_antennas_rx = 1; nb_antennas_rx = 1;
tx_gain = 90; tx_gain = 90;
rx_gain = 120; rx_gain = 119;
prach_root = 0; prach_root = 0;
prach_config_index = 0; prach_config_index = 0;
prach_high_speed = "DISABLE"; prach_high_speed = "DISABLE";
...@@ -130,12 +130,10 @@ eNBs = ...@@ -130,12 +130,10 @@ eNBs =
}; };
////////// MME parameters: ////////// MME parameters:
mme_ip_address = ( { ipv4 = "192.168.12.62"; mme_ip_address = ( {ipv4 = "192.168.12.26";
ipv6 = "192:168:30::17"; ipv6="192:168:30::17";
active = "yes"; active="yes";
preference = "ipv4"; preference="ipv4";});
}
);
NETWORK_INTERFACES : NETWORK_INTERFACES :
{ {
......
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpx310.conf
View file @ ef498d78
...@@ -35,7 +35,7 @@ eNBs = ...@@ -35,7 +35,7 @@ eNBs =
nb_antennas_tx = 1; nb_antennas_tx = 1;
nb_antennas_rx = 1; nb_antennas_rx = 1;
tx_gain = 32; tx_gain = 32;
rx_gain = 84; rx_gain = 116;
prach_root = 0; prach_root = 0;
prach_config_index = 0; prach_config_index = 0;
prach_high_speed = "DISABLE"; prach_high_speed = "DISABLE";
......
targets/RT/USER/eNB_transport_IQ.c
View file @ ef498d78
...@@ -172,7 +172,7 @@ void config_BBU_mod( rrh_module_t *mod_enb, uint8_t RT_flag, uint8_t NRT_flag) { ...@@ -172,7 +172,7 @@ void config_BBU_mod( rrh_module_t *mod_enb, uint8_t RT_flag, uint8_t NRT_flag) {
mod_enb->devs->openair0_cfg.tx_delay = 8; mod_enb->devs->openair0_cfg.tx_delay = 8;
} }
} }
else if (mod_enb->devs->type == USRP_IF) { else if ((mod_enb->devs->type == USRP_B200_IF )||(mod_enb->devs->type == USRP_X300_IF )) {
if ( mod_enb->devs->openair0_cfg.num_rb_dl == 100 ) { if ( mod_enb->devs->openair0_cfg.num_rb_dl == 100 ) {
mod_enb->devs->openair0_cfg.samples_per_packet = 2048; mod_enb->devs->openair0_cfg.samples_per_packet = 2048;
mod_enb->devs->openair0_cfg.tx_forward_nsamps = 175; mod_enb->devs->openair0_cfg.tx_forward_nsamps = 175;
......
targets/RT/USER/lte-softmodem.c
View file @ ef498d78
...@@ -293,10 +293,6 @@ static int tx_max_power[MAX_NUM_CCs]; /* = {0,0}*/; ...@@ -293,10 +293,6 @@ static int tx_max_power[MAX_NUM_CCs]; /* = {0,0}*/;
char ref[128] = "internal"; char ref[128] = "internal";
char channels[128] = "0"; char channels[128] = "0";
//unsigned int samples_per_frame = 307200;
//unsigned int tx_forward_nsamps=0;
//int tx_delay;
#endif #endif
int rx_input_level_dBm; int rx_input_level_dBm;
...@@ -1559,7 +1555,7 @@ static void* eNB_thread( void* arg ) ...@@ -1559,7 +1555,7 @@ static void* eNB_thread( void* arg )
int hw_subframe = 0; // 0..NUM_ENB_THREADS-1 => 0..9 int hw_subframe = 0; // 0..NUM_ENB_THREADS-1 => 0..9
unsigned int rx_pos = 0; unsigned int rx_pos = 0;
unsigned int tx_pos = 0; //spp*tx_delay; unsigned int tx_pos = 0;
#endif #endif
int CC_id=0; int CC_id=0;
struct timespec trx_time0, trx_time1, trx_time2; struct timespec trx_time0, trx_time1, trx_time2;
...@@ -1634,8 +1630,8 @@ static void* eNB_thread( void* arg ) ...@@ -1634,8 +1630,8 @@ static void* eNB_thread( void* arg )
int frame = 0; int frame = 0;
#ifndef EXMIMO #ifndef EXMIMO
spp = openair0_cfg[0].samples_per_packet; spp = openair0_cfg[0].samples_per_packet;
tx_pos=spp*openair0_cfg[0].tx_delay; tx_pos = openair0_cfg[0].tx_scheduling_advance;
#endif #endif
while (!oai_exit) { while (!oai_exit) {
...@@ -1796,11 +1792,10 @@ static void* eNB_thread( void* arg ) ...@@ -1796,11 +1792,10 @@ static void* eNB_thread( void* arg )
// prepare tx buffer pointers // prepare tx buffer pointers
for (i=0; i<PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx; i++) for (i=0; i<PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx; i++)
txp[i] = (void*)&txdata[i][tx_pos]; txp[i] = (void*)&txdata[i][tx_pos];
//printf("tx_pos %d ts %d, ts_offset %d txp[i] %p, ap %d\n", tx_pos, timestamp, (timestamp+(tx_delay*spp)-tx_forward_nsamps),txp[i], i);
// if symb_written < spp ==> error // if symb_written < spp ==> error
if (frame > 50) { if (frame > 50) {
openair0.trx_write_func(&openair0, openair0.trx_write_func(&openair0,
(timestamp+(openair0_cfg[card].tx_delay*spp)-openair0_cfg[card].tx_forward_nsamps), (timestamp+(openair0_cfg[card].tx_scheduling_advance)-openair0_cfg[card].tx_sample_advance),
txp, txp,
spp, spp,
PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx, PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx,
...@@ -1808,7 +1803,7 @@ static void* eNB_thread( void* arg ) ...@@ -1808,7 +1803,7 @@ static void* eNB_thread( void* arg )
} }
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, timestamp&0xffffffff ); VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, timestamp&0xffffffff );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (timestamp+(openair0_cfg[card].tx_delay*spp)-openair0_cfg[card].tx_forward_nsamps)&0xffffffff ); VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (timestamp+(openair0_cfg[card].tx_scheduling_advance)-openair0_cfg[card].tx_sample_advance)&0xffffffff );
stop_meas( &softmodem_stats_mt ); stop_meas( &softmodem_stats_mt );
clock_gettime( CLOCK_MONOTONIC, &trx_time2 ); clock_gettime( CLOCK_MONOTONIC, &trx_time2 );
...@@ -2847,66 +2842,33 @@ int main( int argc, char **argv ) ...@@ -2847,66 +2842,33 @@ int main( int argc, char **argv )
for (card=0; card<MAX_CARDS; card++) { for (card=0; card<MAX_CARDS; card++) {
if(frame_parms[0]->N_RB_DL == 100) { if(frame_parms[0]->N_RB_DL == 100) {
sample_rate = 30.72e6;
bw = 10.0e6;
#ifndef EXMIMO
openair0_cfg[card].sample_rate=30.72e6; openair0_cfg[card].sample_rate=30.72e6;
openair0_cfg[card].samples_per_packet = 2048;
openair0_cfg[card].samples_per_frame = 307200; openair0_cfg[card].samples_per_frame = 307200;
openair0_cfg[card].tx_bw = 10e6; openair0_cfg[card].tx_bw = 10e6;
openair0_cfg[card].rx_bw = 10e6; openair0_cfg[card].rx_bw = 10e6;
// from usrp_time_offset
openair0_cfg[card].tx_forward_nsamps = 175;
openair0_cfg[card].tx_delay = 8;
#endif
} else if(frame_parms[0]->N_RB_DL == 50) { } else if(frame_parms[0]->N_RB_DL == 50) {
sample_rate = 15.36e6;
bw = 5.0e6;
#ifndef EXMIMO
openair0_cfg[card].sample_rate=15.36e6; openair0_cfg[card].sample_rate=15.36e6;
openair0_cfg[card].samples_per_packet = 2048;
openair0_cfg[card].samples_per_frame = 153600; openair0_cfg[card].samples_per_frame = 153600;
openair0_cfg[card].tx_bw = 5e6; openair0_cfg[card].tx_bw = 5e6;
openair0_cfg[card].rx_bw = 5e6; openair0_cfg[card].rx_bw = 5e6;
openair0_cfg[card].tx_forward_nsamps = 95;
openair0_cfg[card].tx_delay = 5;
#endif
} else if (frame_parms[0]->N_RB_DL == 25) { } else if (frame_parms[0]->N_RB_DL == 25) {
sample_rate = 7.68e6;
bw = 2.5e6;
#ifndef EXMIMO
openair0_cfg[card].sample_rate=7.68e6; openair0_cfg[card].sample_rate=7.68e6;
openair0_cfg[card].samples_per_frame = 76800; openair0_cfg[card].samples_per_frame = 76800;
openair0_cfg[card].tx_bw = 2.5e6; openair0_cfg[card].tx_bw = 2.5e6;
openair0_cfg[card].rx_bw = 2.5e6; openair0_cfg[card].rx_bw = 2.5e6;
openair0_cfg[card].samples_per_packet = 1024;
#ifdef OAI_USRP
openair0_cfg[card].tx_forward_nsamps = 70;
openair0_cfg[card].tx_delay = 5;
#elif OAI_BLADERF
openair0_cfg[card].tx_forward_nsamps = 0;
openair0_cfg[card].tx_delay = 8;
#endif
#endif
} else if (frame_parms[0]->N_RB_DL == 6) { } else if (frame_parms[0]->N_RB_DL == 6) {
sample_rate = 1.92e6;
bw = 0.96e6;
#ifndef EXMIMO
openair0_cfg[card].sample_rate=1.92e6; openair0_cfg[card].sample_rate=1.92e6;
openair0_cfg[card].samples_per_packet = 256;
openair0_cfg[card].samples_per_frame = 19200; openair0_cfg[card].samples_per_frame = 19200;
openair0_cfg[card].tx_bw = 1.5e6; openair0_cfg[card].tx_bw = 1.5e6;
openair0_cfg[card].rx_bw = 1.5e6; openair0_cfg[card].rx_bw = 1.5e6;
openair0_cfg[card].tx_forward_nsamps = 40;
openair0_cfg[card].tx_delay = 8;
#endif
} }
#ifdef ETHERNET #ifdef ETHERNET
//calib needed //calib needed
openair0_cfg[card].tx_delay = 0; openair0_cfg[card].tx_scheduling_advance = 0;
openair0_cfg[card].tx_forward_nsamps = 0; openair0_cfg[card].tx_sample_advance = 0;
if (frame_parms[0]->N_RB_DL == 6) if (frame_parms[0]->N_RB_DL == 6)
openair0_cfg[card].samples_per_packet = 256; openair0_cfg[card].samples_per_packet = 256;
...@@ -2917,9 +2879,6 @@ int main( int argc, char **argv ) ...@@ -2917,9 +2879,6 @@ int main( int argc, char **argv )
#endif #endif
#ifndef EXMIMO
openair0_cfg[card].samples_per_packet = openair0_cfg[0].samples_per_packet;
#endif
printf("HW: Configuring card %d, nb_antennas_tx/rx %d/%d\n",card, printf("HW: Configuring card %d, nb_antennas_tx/rx %d/%d\n",card,
((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_tx), ((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_tx),
((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_rx)); ((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_rx));
...@@ -2935,11 +2894,9 @@ int main( int argc, char **argv ) ...@@ -2935,11 +2894,9 @@ int main( int argc, char **argv )
openair0_cfg[card].remote_ip = &rrh_eNB_ip[0]; openair0_cfg[card].remote_ip = &rrh_eNB_ip[0];
openair0_cfg[card].remote_port = rrh_eNB_port; openair0_cfg[card].remote_port = rrh_eNB_port;
} }
openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL; openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL;
#endif #endif
openair0_cfg[card].sample_rate = sample_rate;
openair0_cfg[card].tx_bw = bw;
openair0_cfg[card].rx_bw = bw;
// in the case of the USRP, the following variables need to be initialized before the init // in the case of the USRP, the following variables need to be initialized before the init
// since the USRP only supports one CC (for the moment), we initialize all the cards with first CC. // since the USRP only supports one CC (for the moment), we initialize all the cards with first CC.
// in the case of EXMIMO2, these values are overwirtten in the function setup_eNB/UE_buffer // in the case of EXMIMO2, these values are overwirtten in the function setup_eNB/UE_buffer
...@@ -2965,24 +2922,28 @@ openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL; ...@@ -2965,24 +2922,28 @@ openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL;
else { else {
openair0_cfg[card].rx_gain[i] = PHY_vars_UE_g[0][0]->rx_total_gain_dB;// - USRP_GAIN_OFFSET; // calibrated for USRP B210 @ 2.6 GHz, 30.72 MS/s openair0_cfg[card].rx_gain[i] = PHY_vars_UE_g[0][0]->rx_total_gain_dB;// - USRP_GAIN_OFFSET; // calibrated for USRP B210 @ 2.6 GHz, 30.72 MS/s
} }
switch(frame_parms[0]->N_RB_DL) { switch(frame_parms[0]->N_RB_DL) {
case 6: case 6:
openair0_cfg[card].rx_gain[i] -= 6; openair0_cfg[card].rx_gain[i] -= 12;
break; break;
case 25: case 25:
openair0_cfg[card].rx_gain[i] += 6; openair0_cfg[card].rx_gain[i] -= 6;
break; break;
case 50: case 50:
openair0_cfg[card].rx_gain[i] += 8; openair0_cfg[card].rx_gain[i] -= 3;
break;
case 100:
openair0_cfg[card].rx_gain[i] -= 0;
break; break;
default: default:
break; break;
} }
} }
...@@ -3070,7 +3031,7 @@ openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL; ...@@ -3070,7 +3031,7 @@ openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL;
// connect the TX/RX buffers // connect the TX/RX buffers
if (UE_flag==1) { if (UE_flag==1) {
#ifdef OAI_USRP #ifdef OAI_USRP
openair_daq_vars.timing_advance = 160; openair_daq_vars.timing_advance = 0;
#else #else
openair_daq_vars.timing_advance = 160; openair_daq_vars.timing_advance = 160;
#endif #endif
......
targets/RT/USER/lte-ue.c
View file @ ef498d78
...@@ -410,6 +410,7 @@ static void *UE_thread_synch(void *arg) ...@@ -410,6 +410,7 @@ static void *UE_thread_synch(void *arg)
UE->UE_scan_carrier = 0; UE->UE_scan_carrier = 0;
// rerun with new cell parameters and frequency-offset // rerun with new cell parameters and frequency-offset
for (i=0;i<openair0_cfg[0].rx_num_channels;i++) { for (i=0;i<openair0_cfg[0].rx_num_channels;i++) {
openair0_cfg[0].rx_gain[i] = UE->rx_total_gain_dB;//-USRP_GAIN_OFFSET;
openair0_cfg[0].rx_freq[i] -= UE->lte_ue_common_vars.freq_offset; openair0_cfg[0].rx_freq[i] -= UE->lte_ue_common_vars.freq_offset;
openair0_cfg[0].tx_freq[i] = openair0_cfg[0].rx_freq[i]+uplink_frequency_offset[0][i]; openair0_cfg[0].tx_freq[i] = openair0_cfg[0].rx_freq[i]+uplink_frequency_offset[0][i];
downlink_frequency[0][i] = openair0_cfg[0].rx_freq[i]; downlink_frequency[0][i] = openair0_cfg[0].rx_freq[i];
...@@ -1002,7 +1003,7 @@ void *UE_thread(void *arg) ...@@ -1002,7 +1003,7 @@ void *UE_thread(void *arg)
static int UE_thread_retval; static int UE_thread_retval;
PHY_VARS_UE *UE = PHY_vars_UE_g[0][0]; PHY_VARS_UE *UE = PHY_vars_UE_g[0][0];
int spp = openair0_cfg[0].samples_per_packet; int spp = openair0_cfg[0].samples_per_packet;
int slot=1, frame=0, hw_subframe=0, rxpos=0, txpos=spp*openair0_cfg[0].tx_delay; int slot=1, frame=0, hw_subframe=0, rxpos=0, txpos=spp*openair0_cfg[0].tx_scheduling_advance;
#ifdef __AVX2__ #ifdef __AVX2__
int dummy[2][spp] __attribute__((aligned(32))); int dummy[2][spp] __attribute__((aligned(32)));
#else #else
...@@ -1127,7 +1128,7 @@ void *UE_thread(void *arg) ...@@ -1127,7 +1128,7 @@ void *UE_thread(void *arg)
txp[i] = (void*)&txdata[i][txpos]; txp[i] = (void*)&txdata[i][txpos];
openair0.trx_write_func(&openair0, openair0.trx_write_func(&openair0,
(timestamp+spp*openair0_cfg[0].tx_delay-openair0_cfg[0].tx_forward_nsamps), (timestamp+openair0_cfg[0].tx_scheduling_advance-openair0_cfg[0].tx_sample_advance),
txp, txp,
spp - ((first_rx==1) ? rx_off_diff : 0), spp - ((first_rx==1) ? rx_off_diff : 0),
UE->lte_frame_parms.nb_antennas_tx, UE->lte_frame_parms.nb_antennas_tx,
......
targets/RT/USER/rrh_gw.c
View file @ ef498d78
...@@ -216,7 +216,7 @@ static rrh_module_t new_module (unsigned int id) { ...@@ -216,7 +216,7 @@ static rrh_module_t new_module (unsigned int id) {
LOG_I(RRH,"Setting RF device to EXMIMO\n"); LOG_I(RRH,"Setting RF device to EXMIMO\n");
#elif OAI_USRP #elif OAI_USRP
rrh_mod.devs=oai_dv; rrh_mod.devs=oai_dv;
rrh_mod.devs->type=USRP_IF; rrh_mod.devs->type=USRP_B200_IF;
LOG_I(RRH,"Setting RF device to USRP\n"); LOG_I(RRH,"Setting RF device to USRP\n");
#elif OAI_BLADERF #elif OAI_BLADERF
rrh_mod.devs=oai_dv; rrh_mod.devs=oai_dv;
......
targets/RT/USER/rrh_gw.h
View file @ ef498d78
...@@ -51,7 +51,7 @@ ...@@ -51,7 +51,7 @@
/*! \brief RRH supports two types of modules: eNB and UE /*! \brief RRH supports two types of modules: eNB and UE
each module is associated with an ethernet device (device of ETH_IF) each module is associated with an ethernet device (device of ETH_IF)
and optionally with a RF device (device type can be USRP_IF/BLADERF_IF/EXMIMO_IF/NONE_IF) and optionally with a RF device (device type can be USRP_B200/USRP_X300/BLADERF_IF/EXMIMO_IF/NONE_IF)
UE modules will always have RF device type NONE_IF */ UE modules will always have RF device type NONE_IF */
typedef struct { typedef struct {
/*! \brief module id */ /*! \brief module id */
......
targets/SIMU/USER/channel_sim.c
View file @ ef498d78
...@@ -303,8 +303,8 @@ void do_DL_sig(double **r_re0,double **r_im0, ...@@ -303,8 +303,8 @@ void do_DL_sig(double **r_re0,double **r_im0,
10*log10(rx_pwr*(double)frame_parms->N_RB_DL*12),next_slot,next_slot>>1); 10*log10(rx_pwr*(double)frame_parms->N_RB_DL*12),next_slot,next_slot>>1);
LOG_D(OCM,"[SIM][DL] UE %d : rx_pwr (noise) -132 dBm/RE (N0fs = %.1f dBm, N0B = %.1f dBm) for slot %d (subframe %d)\n", LOG_D(OCM,"[SIM][DL] UE %d : rx_pwr (noise) -132 dBm/RE (N0fs = %.1f dBm, N0B = %.1f dBm) for slot %d (subframe %d)\n",
UE_id, UE_id,
10*log10(eNB2UE[eNB_id][UE_id][CC_id]->BW*1e6)-174, 10*log10(eNB2UE[eNB_id][UE_id][CC_id]->sampling_rate*1e6)-174,
10*log10(eNB2UE[eNB_id][UE_id][CC_id]->BW*1e6*12*frame_parms->N_RB_DL/(double)frame_parms->ofdm_symbol_size)-174, 10*log10(eNB2UE[eNB_id][UE_id][CC_id]->sampling_rate*1e6*12*frame_parms->N_RB_DL/(double)frame_parms->ofdm_symbol_size)-174,
next_slot,next_slot>>1); next_slot,next_slot>>1);
#endif #endif
...@@ -342,7 +342,7 @@ void do_DL_sig(double **r_re0,double **r_im0, ...@@ -342,7 +342,7 @@ void do_DL_sig(double **r_re0,double **r_im0,
r_im0, r_im0,
nb_antennas_rx, nb_antennas_rx,
frame_parms->samples_per_tti>>1, frame_parms->samples_per_tti>>1,
1e3/eNB2UE[eNB_id][UE_id][CC_id]->BW, // sampling time (ns) 1e3/eNB2UE[eNB_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) (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 #ifdef DEBUG_SIM
...@@ -584,7 +584,7 @@ void do_UL_sig(double **r_re0,double **r_im0,double **r_re,double **r_im,double ...@@ -584,7 +584,7 @@ void do_UL_sig(double **r_re0,double **r_im0,double **r_re,double **r_im,double
r_im, r_im,
nb_antennas_rx, nb_antennas_rx,
frame_parms->samples_per_tti>>1, frame_parms->samples_per_tti>>1,
1e3/UE2eNB[0][eNB_id][CC_id]->BW, // sampling time (ns) 1e3/UE2eNB[0][eNB_id][CC_id]->sampling_rate, // sampling time (ns)
(double)PHY_vars_eNB_g[eNB_id][CC_id]->rx_total_gain_eNB_dB - 66.227); // rx_gain (dB) (66.227 = 20*log10(pow2(11)) = gain from the adc that will be applied later) (double)PHY_vars_eNB_g[eNB_id][CC_id]->rx_total_gain_eNB_dB - 66.227); // rx_gain (dB) (66.227 = 20*log10(pow2(11)) = gain from the adc that will be applied later)
#ifdef DEBUG_SIM #ifdef DEBUG_SIM
......
targets/SIMU/USER/oaisim_functions.c
View file @ ef498d78
...@@ -1122,24 +1122,28 @@ void init_ocm(void) ...@@ -1122,24 +1122,28 @@ void init_ocm(void)
else else
*/ */
eNB2UE[eNB_id][UE_id][CC_id] = new_channel_desc_scm(PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.nb_antennas_tx, eNB2UE[eNB_id][UE_id][CC_id] =
PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.nb_antennas_rx, new_channel_desc_scm(PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.nb_antennas_tx,
map_str_to_int(small_scale_names,oai_emulation.environment_system_config.fading.small_scale.selected_option), PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.nb_antennas_rx,
oai_emulation.environment_system_config.system_bandwidth_MB, map_str_to_int(small_scale_names,oai_emulation.environment_system_config.fading.small_scale.selected_option),
forgetting_factor, N_RB2sampling_rate(PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.N_RB_DL),
0, N_RB2channel_bandwidth(PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.N_RB_DL),
0); forgetting_factor,
0,
0);
random_channel(eNB2UE[eNB_id][UE_id][CC_id],abstraction_flag); random_channel(eNB2UE[eNB_id][UE_id][CC_id],abstraction_flag);
LOG_D(OCM,"[SIM] Initializing channel (%s, %d) from UE %d to eNB %d\n", oai_emulation.environment_system_config.fading.small_scale.selected_option, LOG_D(OCM,"[SIM] Initializing channel (%s, %d) from UE %d to eNB %d\n", oai_emulation.environment_system_config.fading.small_scale.selected_option,
map_str_to_int(small_scale_names, oai_emulation.environment_system_config.fading.small_scale.selected_option),UE_id, eNB_id); map_str_to_int(small_scale_names, oai_emulation.environment_system_config.fading.small_scale.selected_option),UE_id, eNB_id);
UE2eNB[UE_id][eNB_id][CC_id] = new_channel_desc_scm(PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.nb_antennas_tx, UE2eNB[UE_id][eNB_id][CC_id] =
PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.nb_antennas_rx, new_channel_desc_scm(PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.nb_antennas_tx,
map_str_to_int(small_scale_names, oai_emulation.environment_system_config.fading.small_scale.selected_option), PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.nb_antennas_rx,
oai_emulation.environment_system_config.system_bandwidth_MB, map_str_to_int(small_scale_names, oai_emulation.environment_system_config.fading.small_scale.selected_option),
forgetting_factor, N_RB2sampling_rate(PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.N_RB_UL),
0, N_RB2channel_bandwidth(PHY_vars_eNB_g[eNB_id][CC_id]->lte_frame_parms.N_RB_UL),
0); forgetting_factor,
0,
0);
random_channel(UE2eNB[UE_id][eNB_id][CC_id],abstraction_flag); random_channel(UE2eNB[UE_id][eNB_id][CC_id],abstraction_flag);
......
targets/SIMU/USER/sinr_sim.c
View file @ ef498d78
...@@ -254,7 +254,7 @@ void init_snr(channel_desc_t* eNB2UE, node_desc_t *enb_data, node_desc_t *ue_dat ...@@ -254,7 +254,7 @@ void init_snr(channel_desc_t* eNB2UE, node_desc_t *enb_data, node_desc_t *ue_dat
uint8_t qq; uint8_t qq;
/* Thermal noise is calculated using 10log10(K*T*B) K = Boltzmann's constant T = room temperature B = bandwidth */ /* Thermal noise is calculated using 10log10(K*T*B) K = Boltzmann's constant T = room temperature B = bandwidth */
thermal_noise = -174 + 10*log10(eNB2UE->BW*1e6); //value in dBm thermal_noise = -174 + 10*log10(eNB2UE->sampling_rate*1e6); //value in dBm
//for (aarx=0; aarx<eNB2UE->nb_rx; aarx++) //for (aarx=0; aarx<eNB2UE->nb_rx; aarx++)
*N0 = thermal_noise + ue_data->rx_noise_level;//? all the element have the same noise level????? *N0 = thermal_noise + ue_data->rx_noise_level;//? all the element have the same noise level?????
...@@ -496,7 +496,7 @@ void init_snr_up(channel_desc_t* UE2eNB, node_desc_t *enb_data, node_desc_t *ue_ ...@@ -496,7 +496,7 @@ void init_snr_up(channel_desc_t* UE2eNB, node_desc_t *enb_data, node_desc_t *ue_
// nb_rb = phy_vars_eNB->ulsch_eNB[UE_id]->harq_processes[harq_pid]->nb_rb; // nb_rb = phy_vars_eNB->ulsch_eNB[UE_id]->harq_processes[harq_pid]->nb_rb;
/* Thermal noise is calculated using 10log10(K*T*B) K = Boltzmann's constant T = room temperature B = bandwidth */ /* Thermal noise is calculated using 10log10(K*T*B) K = Boltzmann's constant T = room temperature B = bandwidth */
thermal_noise = -174 + 10*log10(UE2eNB->BW*1e6); //value in dBm thermal_noise = -174 + 10*log10(UE2eNB->sampling_rate*1e6); //value in dBm
*N0 = thermal_noise + enb_data->rx_noise_level;//? all the element have the same noise level????? *N0 = thermal_noise + enb_data->rx_noise_level;//? all the element have the same noise level?????
double lambda ; double lambda ;
double residual; double residual;
...@@ -557,7 +557,7 @@ void calculate_sinr(channel_desc_t* eNB2UE, node_desc_t *enb_data, node_desc_t * ...@@ -557,7 +557,7 @@ void calculate_sinr(channel_desc_t* eNB2UE, node_desc_t *enb_data, node_desc_t *
short count; short count;
/* Thermal noise is calculated using 10log10(K*T*B) K = Boltzmann's constant T = room temperature B = bandwidth */ /* Thermal noise is calculated using 10log10(K*T*B) K = Boltzmann's constant T = room temperature B = bandwidth */
thermal_noise = -174 + 10*log10(eNB2UE->BW*1e6); //value in dBm thermal_noise = -174 + 10*log10(eNB2UE->sampling_rate*1e6); //value in dBm
for (count = 0; count < 12 * nb_rb; count++) { for (count = 0; count < 12 * nb_rb; count++) {
sir = enb_data->tx_power_dBm sir = enb_data->tx_power_dBm
......
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