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modifications for simulator : power normalizations for UE TX, small changes to SNR targets for power control, default UE power (23 dBm now)

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This commit is contained in:
Raymond Knopp
2018-04-06 10:27:23 -07:00
parent fb4752a2cf
commit 0ab2b2b261
5 changed files with 9 additions and 11 deletions
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openair1/SIMULATION/RF/dac.c
+4 -6
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@@ -91,10 +91,8 @@ double dac_fixed_gain(double *s_re[2],
int i;
int aa;
double amp,amp1_local,*amp1p;
amp = //sqrt(NB_RE)*pow(10.0,.05*txpwr_dBm)/sqrt(nb_tx_antennas); //this is amp per tx antenna
pow(10.0,.05*txpwr_dBm)/sqrt(nb_tx_antennas); //this is amp per tx antenna
double amp1_local,*amp1p;
double amp = pow(10.0,.05*txpwr_dBm)/sqrt(nb_tx_antennas); //this is amp per tx antenna
if (amp1==NULL) amp1p = &amp1_local;
else amp1p = amp1;
@@ -123,7 +121,7 @@ double dac_fixed_gain(double *s_re[2],
//printf("DL: amp1 %f dB (%d,%d), tx_power %f\n",20*log10(amp1),input_offset,input_offset_meas,txpwr_dBm);
*/
// printf("DAC: amp/amp1p %f amp1 %f dB (%d,%d), tx_power %f\n",amp/(*amp1p),20*log10(*amp1p),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)])/(*amp1p);
@@ -131,7 +129,7 @@ double dac_fixed_gain(double *s_re[2],
}
}
// printf("ener %e\n",signal_energy_fp(s_re,s_im,nb_tx_antennas,length,0));
// printf("ener %e\n",signal_energy_fp(s_re,s_im,nb_tx_antennas,length<length_meas?length:length_meas,0));
return(signal_energy_fp(s_re,s_im,nb_tx_antennas,length<length_meas?length:length_meas,0)/NB_RE);
}
openair2/LAYER2/MAC/eNB_scheduler.c
+1 -1
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@@ -541,7 +541,7 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP, frame_t frameP,
rnti = UE_RNTI(module_idP, i);
CC_id = UE_PCCID(module_idP, i);
if ((frameP == 0) && (subframeP == 0)) {
if (((frameP&127) == 0) && (subframeP == 0)) {
LOG_I(MAC,
"UE rnti %x : %s, PHR %d dB DL CQI %d PUSCH SNR %d PUCCH SNR %d\n",
rnti,
openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
+1 -1
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@@ -1281,7 +1281,7 @@ schedule_ulsch_rnti(module_id_t module_idP,
// this is the normalized RX power and this should be constant (regardless of mcs
normalized_rx_power = UE_sched_ctrl->pusch_snr[CC_id];
target_rx_power = 178;
target_rx_power = 158;
// this assumes accumulated tpc
// make sure that we are only sending a tpc update once a frame, otherwise the control loop will freak out
targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.lo.conf
+2 -3
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@@ -73,10 +73,9 @@ eNBs =
srs_SubframeConfig =;
srs_ackNackST =;
srs_MaxUpPts =;*/
pusch_p0_Nominal = -96;
pusch_p0_Nominal = -104;
pusch_alpha = "AL1";
pucch_p0_Nominal = -100;
pucch_p0_Nominal = -104;
msg3_delta_Preamble = 6;
pucch_deltaF_Format1 = "deltaF2";
pucch_deltaF_Format1b = "deltaF3";
targets/SIMU/USER/oaisim.c
+1
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@@ -1065,6 +1065,7 @@ void set_UE_defaults(int nb_ue) {
PHY_vars_UE_g[UE_id][CC_id]->pdcch_vars[i][0]->agregationLevel = 0xFF;
}
PHY_vars_UE_g[UE_id][CC_id]->current_dlsch_cqi[0] = 10;
PHY_vars_UE_g[UE_id][CC_id]->tx_power_max_dBm = 23;
}
}
}