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

fixes for oaisim, testing TM2

Browse Source
This commit is contained in:
Raymond Knopp
2016-09-24 22:03:35 -07:00
parent 574fbd661c
commit 829ee59707
6 changed files with 50 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/LTE_ESTIMATION/adjust_gain.c
+3 -3
View File
@@ -35,9 +35,9 @@ phy_adjust_gain (PHY_VARS_UE *ue, uint32_t rx_power_fil_dB, uint8_t eNB_id)
{
LOG_D(PHY,"Gain control: rssi %d (%d,%d)\n",
rx_power_fil_dB,
ue->measurements.rssi,
ue->measurements.rx_power_avg_dB[eNB_id]
rx_power_fil_dB,
ue->measurements.rssi,
ue->measurements.rx_power_avg_dB[eNB_id]
);
// Gain control with hysterisis
openair1/SCHED/phy_procedures_lte_ue.c
+2 -1
View File
@@ -2735,6 +2735,7 @@ int phy_procedures_UE_RX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
}
} // for l=1..l2
ue_measurement_procedures(l-1,ue,proc,eNB_id,abstraction_flag,mode);
// If this is PMCH, call procedures and return
if (pmch_flag == 1) {
@@ -2748,7 +2749,7 @@ int phy_procedures_UE_RX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
ue->rx_offset,
0,
0);
// first slot has been processed (FFTs + Channel Estimation, PCFICH/PHICH/PDCCH)
// do procedures for C-RNTI
openair1/SIMULATION/RF/dac.c
+1
View File
@@ -121,6 +121,7 @@ double dac_fixed_gain(double s_re[2][30720],
//printf("DL: amp1 %f dB (%d,%d), tx_power %f\n",20*log10(amp1),input_offset,input_offset_meas,txpwr_dBm);
*/
for (i=0; i<length; i++) {
for (aa=0; aa<nb_tx_antennas; aa++) {
s_re[aa][i] = amp*((double)(((short *)input[aa]))[((i+input_offset)<<1)])/amp1; ///(1<<(B-1));
targets/SIMU/USER/channel_sim.c
+26 -25
View File
@@ -108,12 +108,13 @@ void do_DL_sig(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][MAX_N
uint8_t nb_antennas_rx = eNB2UE[0][0][CC_id]->nb_rx; // number of rx antennas at UE
uint8_t nb_antennas_tx = eNB2UE[0][0][CC_id]->nb_tx; // number of tx antennas at eNB
double s_re[2][PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
double s_im[2][PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
double r_re0[2][PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
double r_im0[2][PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
double s_re[2][30720];//PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
double s_im[2][30720];//PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
double r_re0[2][30720];//PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
double r_im0[2][30720];//PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti];
if (subframe==0)
hold_channel = 0;
else
@@ -205,13 +206,13 @@ void do_DL_sig(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][MAX_N
}
} // hold channel
}
else { //abstraction_flag
pthread_mutex_lock(&eNB_output_mutex[UE_id]);
if (eNB_output_mask[UE_id] == 0) { // This is the first eNodeB for this UE, clear the buffer
for (aa=0; aa<nb_antennas_rx; aa++) {
memset((void*)r_re_DL[UE_id][aa],0,(frame_parms->samples_per_tti)*sizeof(double));
memset((void*)r_im_DL[UE_id][aa],0,(frame_parms->samples_per_tti)*sizeof(double));
@@ -222,8 +223,8 @@ void do_DL_sig(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][MAX_N
for (eNB_id=0; eNB_id<NB_eNB_INST; eNB_id++) {
txdata = PHY_vars_eNB_g[eNB_id][CC_id]->common_vars.txdata[0];
sf_offset = subframe*frame_parms->samples_per_tti;
tx_pwr = dac_fixed_gain((double**)s_re,
(double**)s_im,
tx_pwr = dac_fixed_gain(s_re,
s_im,
txdata,
sf_offset,
nb_antennas_tx,
@@ -243,7 +244,7 @@ void do_DL_sig(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][MAX_N
#endif
//eNB2UE[eNB_id][UE_id]->path_loss_dB = 0;
multipath_channel(eNB2UE[eNB_id][UE_id][CC_id],(double**)s_re,(double**)s_im,(double**)r_re0,(double**)r_im0,
multipath_channel(eNB2UE[eNB_id][UE_id][CC_id],s_re,s_im,r_re0,r_im0,
frame_parms->samples_per_tti,hold_channel);
#ifdef DEBUG_SIM
rx_pwr = signal_energy_fp2(eNB2UE[eNB_id][UE_id][CC_id]->ch[0],
@@ -266,7 +267,7 @@ void do_DL_sig(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][MAX_N
eNB2UE[eNB_id][UE_id][CC_id]->path_loss_dB);
#ifdef DEBUG_SIM
rx_pwr = signal_energy_fp((double**)r_re0,(double**)r_im0,nb_antennas_rx,
rx_pwr = signal_energy_fp(r_re0,r_im0,nb_antennas_rx,
frame_parms->ofdm_symbol_size,
sf_offset)/(12.0*frame_parms->N_RB_DL);
LOG_D(OCM,"[SIM][DL] UE %d : rx_pwr %f dBm/RE (%f dBm RSSI)for subframe %d\n",UE_id,
@@ -289,15 +290,15 @@ void do_DL_sig(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][MAX_N
PHY_vars_UE_g[UE_id][CC_id]->rx_total_gain_dB-66.227,subframe);
#endif
rf_rx_simple((double**)r_re0,
(double**)r_im0,
rf_rx_simple(r_re0,
r_im0,
nb_antennas_rx,
frame_parms->samples_per_tti,
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)
#ifdef DEBUG_SIM
rx_pwr = signal_energy_fp((double**)r_re0,(double**)r_im0,
rx_pwr = signal_energy_fp(r_re0,r_im0,
nb_antennas_rx,
frame_parms->ofdm_symbol_size,
sf_offset)/(12.0*frame_parms->N_RB_DL);
@@ -326,8 +327,8 @@ void do_DL_sig(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][MAX_N
rxdata = PHY_vars_UE_g[UE_id][CC_id]->common_vars.rxdata;
sf_offset = subframe*frame_parms->samples_per_tti;
adc((double**)r_re_DL[UE_id],
(double**)r_im_DL[UE_id],
adc(r_re_DL[UE_id],
r_im_DL[UE_id],
0,
sf_offset,
rxdata,
@@ -383,10 +384,10 @@ void do_UL_sig(channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX][MAX_N
int ulfrrb2 ;
uint8_t harq_pid;
#endif
double s_re[2][PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
double s_im[2][PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
double r_re0[2][PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
double r_im0[2][PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
double s_re[2][30720];//PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
double s_im[2][30720];//PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
double r_re0[2][30720];//PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
double r_im0[2][30720];//PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti];
if (abstraction_flag!=0) {
#ifdef PHY_ABSTRACTION_UL
@@ -477,7 +478,7 @@ void do_UL_sig(channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX][MAX_N
hold_channel,UE2eNB[UE_id][eNB_id][CC_id]->channel_length,
UE2eNB[UE_id][eNB_id][CC_id]->path_loss_dB);
rx_pwr = signal_energy_fp((double**)r_re0,(double**)r_im0,nb_antennas_rx,frame_parms->samples_per_tti,0);
rx_pwr = signal_energy_fp(r_re0,r_im0,nb_antennas_rx,frame_parms->samples_per_tti,0);
LOG_D(OCM,"[SIM][UL] eNB %d : rx_pwr %f dBm (%f) for subframe %d, sptti %d\n",
eNB_id,10*log10(rx_pwr),rx_pwr,subframe,frame_parms->samples_per_tti);
@@ -497,23 +498,23 @@ void do_UL_sig(channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX][MAX_N
}
} //UE_id
rf_rx_simple((double**)r_re_UL[eNB_id],
(double**)r_im_UL[eNB_id],
rf_rx_simple(r_re_UL[eNB_id],
r_im_UL[eNB_id],
nb_antennas_rx,
frame_parms->samples_per_tti,
1e3/UE2eNB[0][eNB_id][CC_id]->sampling_rate, // sampling time (ns)
(double)PHY_vars_eNB_g[eNB_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
rx_pwr = signal_energy_fp((double**)r_re_UL[eNB_id],(double**)r_im_UL[eNB_id],nb_antennas_rx,frame_parms->samples_per_tti,0)*(double)frame_parms->ofdm_symbol_size/(12.0*frame_parms->N_RB_DL);
rx_pwr = signal_energy_fp(r_re_UL[eNB_id],r_im_UL[eNB_id],nb_antennas_rx,frame_parms->samples_per_tti,0)*(double)frame_parms->ofdm_symbol_size/(12.0*frame_parms->N_RB_DL);
LOG_D(OCM,"[SIM][UL] rx_pwr (ADC in) %f dB for subframe %d\n",10*log10(rx_pwr),subframe);
#endif
rxdata = PHY_vars_eNB_g[eNB_id][CC_id]->common_vars.rxdata[0];
sf_offset = subframe*frame_parms->samples_per_tti;
adc((double**)r_re_UL[eNB_id],
(double**)r_im_UL[eNB_id],
adc(r_re_UL[eNB_id],
r_im_UL[eNB_id],
0,
sf_offset,
rxdata,
targets/SIMU/USER/oaisim.c
+6 -4
View File
@@ -749,7 +749,7 @@ l2l1_task (void *args_p)
(subframe_UE_mask_local == ((1<<NB_UE_INST)-1)))
all_done=1;
else
usleep(500);
usleep(500);
}
//clear subframe masks for next round
@@ -774,16 +774,18 @@ l2l1_task (void *args_p)
if (oai_emulation.info.cli_start_enb[eNB_inst] != 0) {
T(T_ENB_MASTER_TICK, T_INT(eNB_inst), T_INT(frame % 1024), T_INT(slot/2));
/*
LOG_D(EMU,
"PHY procedures eNB %d for frame %d, slot %d (subframe TX %d, RX %d) TDD %d/%d Nid_cell %d\n",
eNB_inst,
frame%MAX_FRAME_NUMBER,
slot,
2*sf,
PHY_vars_eNB_g[eNB_inst][0]->proc[slot >> 1].subframe_tx,
PHY_vars_eNB_g[eNB_inst][0]->proc[slot >> 1].subframe_rx,
PHY_vars_eNB_g[eNB_inst][0]->lte_frame_parms.frame_type,
PHY_vars_eNB_g[eNB_inst][0]->lte_frame_parms.tdd_config,
PHY_vars_eNB_g[eNB_inst][0]->lte_frame_parms.Nid_cell);
*/
}
for (eNB_inst = oai_emulation.info.first_enb_local;
@@ -1825,7 +1827,7 @@ oai_shutdown (void)
free(txdata);
#endif
*/
/*
for (int i = 0; i < 2; i++) {
free (s_re[i]);
free (s_im[i]);
@@ -1840,7 +1842,7 @@ oai_shutdown (void)
s_re = 0;
s_im = 0;
r_re = 0;
r_im = 0;
r_im = 0;*/
lte_sync_time_free ();
}
targets/SIMU/USER/oaisim_functions.c
+12 -6
View File
@@ -1050,10 +1050,11 @@ int eNB_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void *
eNB_id,
CC_id);
last_eNB_rx_timestamp[eNB_id][CC_id] += PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti;
sample_count += PHY_vars_eNB_g[eNB_id][CC_id]->frame_parms.samples_per_tti;
}
return(nsamps);
}
@@ -1070,9 +1071,10 @@ int UE_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
*ptimestamp = last_UE_rx_timestamp[UE_id][CC_id];
LOG_D(PHY,"UE_trx_read nsamps %d TS(%llu,%llu)\n",nsamps,
LOG_D(EMU,"UE_trx_read nsamps %d TS(%llu,%llu) antenna %d\n",nsamps,
(unsigned long long)current_UE_rx_timestamp[UE_id][CC_id],
(unsigned long long)last_UE_rx_timestamp[UE_id][CC_id]);
(unsigned long long)last_UE_rx_timestamp[UE_id][CC_id],
cc);
if (nsamps < PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti)
read_size = nsamps;
@@ -1083,7 +1085,7 @@ int UE_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
while (current_UE_rx_timestamp[UE_id][CC_id] <
(last_UE_rx_timestamp[UE_id][CC_id]+read_size)) {
LOG_D(EMU,"UE_trx_read : current TS %d, last TS %d, sleeping\n",current_UE_rx_timestamp[UE_id][CC_id],last_UE_rx_timestamp[UE_id][CC_id]);
usleep(500);
}
@@ -1093,7 +1095,7 @@ int UE_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
pthread_mutex_lock(&subframe_mutex);
subframe_UE_mask|=(1<<UE_id);
pthread_mutex_unlock(&subframe_mutex);
// if we didn't ask for at least a subframe's worth of samples return
// otherwise we have one subframe here so generate the received signal
subframe = (last_UE_rx_timestamp[UE_id][CC_id]/PHY_vars_UE_g[UE_id][CC_id]->frame_parms.samples_per_tti)%10;
@@ -1117,8 +1119,12 @@ int UE_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void **
&PHY_vars_UE_g[UE_id][CC_id]->frame_parms,
UE_id,
CC_id);
printf("Signaling main thread: UE subframe mask %x\n",subframe_UE_mask);
}
return(nsamps);
}