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removing the 4 bit left shift of TX signal as already done in driver

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This commit is contained in:
Florian Kaltenberger
2018-04-12 17:15:31 +02:00
parent 7bc1434733
commit 1043313175
2 changed files with 9 additions and 9 deletions
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openair1/PHY/LTE_TRANSPORT/prach.c
+5 -5
View File
@@ -1042,19 +1042,19 @@ int32_t generate_prach( PHY_VARS_UE *ue, uint8_t eNB_id, uint8_t subframe, uint1
AssertFatal(prach_fmt<4,
"prach_fmt4 not fully implemented" );
#if defined(EXMIMO) || defined(OAI_USRP)
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
int j;
int overflow = prach_start + prach_len - LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*ue->frame_parms.samples_per_tti;
LOG_I( PHY, "prach_start=%d, overflow=%d\n", prach_start, overflow );
for (i=prach_start,j=0; i<min(ue->frame_parms.samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,prach_start+prach_len); i++,j++) {
((int16_t*)ue->common_vars.txdata[0])[2*i] = prach[2*j]<<4;
((int16_t*)ue->common_vars.txdata[0])[2*i+1] = prach[2*j+1]<<4;
((int16_t*)ue->common_vars.txdata[0])[2*i] = prach[2*j];
((int16_t*)ue->common_vars.txdata[0])[2*i+1] = prach[2*j+1];
}
for (i=0; i<overflow; i++,j++) {
((int16_t*)ue->common_vars.txdata[0])[2*i] = prach[2*j]<<4;
((int16_t*)ue->common_vars.txdata[0])[2*i+1] = prach[2*j+1]<<4;
((int16_t*)ue->common_vars.txdata[0])[2*i] = prach[2*j];
((int16_t*)ue->common_vars.txdata[0])[2*i+1] = prach[2*j+1];
}
#if defined(EXMIMO)
// handle switch before 1st TX subframe, guarantee that the slot prior to transmission is switch on
openair1/SCHED/phy_procedures_lte_ue.c
+4 -4
View File
@@ -1322,13 +1322,13 @@ void ulsch_common_procedures(PHY_VARS_UE *ue, UE_rxtx_proc_t *proc, uint8_t empt
for (k=ulsch_start,l=0; k<cmin(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,ulsch_start+frame_parms->samples_per_tti); k++,l++) {
((short*)ue->common_vars.txdata[aa])[2*k] = ((short*)dummy_tx_buffer)[2*l]<<4;
((short*)ue->common_vars.txdata[aa])[2*k+1] = ((short*)dummy_tx_buffer)[2*l+1]<<4;
((short*)ue->common_vars.txdata[aa])[2*k] = ((short*)dummy_tx_buffer)[2*l];
((short*)ue->common_vars.txdata[aa])[2*k+1] = ((short*)dummy_tx_buffer)[2*l+1];
}
for (k=0; k<overflow; k++,l++) {
((short*)ue->common_vars.txdata[aa])[2*k] = ((short*)dummy_tx_buffer)[2*l]<<4;
((short*)ue->common_vars.txdata[aa])[2*k+1] = ((short*)dummy_tx_buffer)[2*l+1]<<4;
((short*)ue->common_vars.txdata[aa])[2*k] = ((short*)dummy_tx_buffer)[2*l];
((short*)ue->common_vars.txdata[aa])[2*k+1] = ((short*)dummy_tx_buffer)[2*l+1];
}
#if defined(EXMIMO)
// handle switch before 1st TX subframe, guarantee that the slot prior to transmission is switch on