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fixes for precoding (turning off if nb_antennas_tx=1), configuration files, timing advance with 3/4 sampling on 20 MHz, logging in MAC

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This commit is contained in:
Raymond.Knopp
2017-01-07 12:41:36 +01:00
parent de8ab34d85
commit 14d28e2dbd
10 changed files with 57 additions and 46 deletions
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openair1/PHY/LTE_TRANSPORT/prach.c
+6 -3
View File
@@ -1185,9 +1185,7 @@ void rx_prach(PHY_VARS_eNB *eNB,
break;
}
if (eNB->frame_parms.threequarter_fs == 1)
Ncp=(Ncp*3)>>2;
// Adjust CP length based on UL bandwidth
switch (eNB->frame_parms.N_RB_UL) {
case 6:
Ncp>>=4;
@@ -1208,6 +1206,11 @@ void rx_prach(PHY_VARS_eNB *eNB,
case 75:
Ncp=(Ncp*3)>>2;
break;
case 100:
if (eNB->frame_parms.threequarter_fs == 1)
Ncp=(Ncp*3)>>2;
break;
}
openair1/PHY/MODULATION/beamforming.c
+14 -13
View File
@@ -66,24 +66,25 @@ int beam_precoding(int32_t **txdataF,
for (p=0; p<14; p++) {
//if (p==0 || p==1 || p==5 || p>7)
// mult_cpx_conj_vector((int16_t*)txdataF[p], (int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15);
for (re=0;re<frame_parms->ofdm_symbol_size;re++) {
if ((p==0 || p==1 || p==5 || p>=7) && txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re]!=0) {
if (txdataF[p]) {//[slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re]!=0) {
for (re=0;re<frame_parms->ofdm_symbol_size;re++) {
((int16_t*)&txdataF_BF[aa][re])[0] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
((int16_t*)&txdataF_BF[aa][re])[0] -= (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
/*
/*
printf("beamforming.c:txdataF[%d][%d]=%d+j%d, beam_weights[%d][%d][%d]=%d+j%d,txdata_BF[%d][%d]=%d+j%d\n",
p,slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re,
((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0],
((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1],
p,aa,re,
((int16_t*)&beam_weights[p][aa][re])[0],((int16_t*)&beam_weights[p][aa][re])[1],
aa,re,
((int16_t*)&txdataF_BF[aa][re])[0],
((int16_t*)&txdataF_BF[aa][re])[1]);
*/
p,slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re,
((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0],
((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1],
p,aa,re,
((int16_t*)&beam_weights[p][aa][re])[0],((int16_t*)&beam_weights[p][aa][re])[1],
aa,re,
((int16_t*)&txdataF_BF[aa][re])[0],
((int16_t*)&txdataF_BF[aa][re])[1]);
*/
}
}
}
openair1/SCHED/phy_procedures_lte_eNb.c
+7 -4
View File
@@ -2032,8 +2032,8 @@ void prach_procedures(PHY_VARS_eNB *eNB) {
T_INT(preamble_max), T_INT(preamble_energy_max), T_INT(preamble_delay_list[preamble_max]));
if (eNB->mac_enabled==1) {
uint8_t update_TA=4;
uint8_t update_TA = 4;
uint8_t update_TA2 = 1;
switch (fp->N_RB_DL) {
case 6:
update_TA = 16;
@@ -2047,8 +2047,11 @@ void prach_procedures(PHY_VARS_eNB *eNB) {
update_TA = 2;
break;
case 75:
update_TA = 3;
update_TA2 = 2;
case 100:
update_TA = 1;
update_TA = 1;
break;
}
@@ -2056,7 +2059,7 @@ void prach_procedures(PHY_VARS_eNB *eNB) {
eNB->CC_id,
frame,
preamble_max,
preamble_delay_list[preamble_max]*update_TA,
preamble_delay_list[preamble_max]*update_TA/update_TA2,
0,subframe,0);
}