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Converting OFDM mod/de-mod functions to use c16_ts instead of int16_ts

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This commit is contained in:
Melissa Elkadi
2023-05-10 09:10:12 -07:00
parent 9354a45235
commit 2dfc36dc32
3 changed files with 26 additions and 26 deletions
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openair1/PHY/MODULATION/ofdm_mod.c
+17 -17
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@@ -45,16 +45,16 @@ void normal_prefix_mod(int32_t *txdataF,int32_t *txdata,uint8_t nsymb,LTE_DL_FRA
PHY_ofdm_mod(txdataF, // input
txdata, // output
frame_parms->ofdm_symbol_size,
PHY_ofdm_mod((int *)txdataF, // input
(int *)txdata, // output
frame_parms->ofdm_symbol_size,
1, // number of symbols
frame_parms->nb_prefix_samples0, // number of prefix samples
CYCLIC_PREFIX);
PHY_ofdm_mod(txdataF+frame_parms->ofdm_symbol_size, // input
txdata+OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES0, // output
frame_parms->ofdm_symbol_size,
PHY_ofdm_mod((int *)txdataF+frame_parms->ofdm_symbol_size, // input
(int *)txdata+OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES0, // output
frame_parms->ofdm_symbol_size,
nsymb-1,
frame_parms->nb_prefix_samples, // number of prefix samples
CYCLIC_PREFIX);
@@ -280,7 +280,7 @@ void PHY_ofdm_mod(int *input, /// pointer to complex input
}
void do_OFDM_mod(int32_t **txdataF, int32_t **txdata, uint32_t frame,uint16_t next_slot, LTE_DL_FRAME_PARMS *frame_parms)
void do_OFDM_mod(c16_t **txdataF, c16_t **txdata, uint32_t frame,uint16_t next_slot, LTE_DL_FRAME_PARMS *frame_parms)
{
int aa, slot_offset, slot_offset_F;
@@ -292,39 +292,39 @@ void do_OFDM_mod(int32_t **txdataF, int32_t **txdata, uint32_t frame,uint16_t ne
if (is_pmch_subframe(frame,next_slot>>1,frame_parms)) {
if ((next_slot%2)==0) {
LOG_D(PHY,"Frame %d, subframe %d: Doing MBSFN modulation (slot_offset %d)\n",frame,next_slot>>1,slot_offset);
PHY_ofdm_mod(&txdataF[aa][slot_offset_F], // input
&txdata[aa][slot_offset], // output
PHY_ofdm_mod((int *)&txdataF[aa][slot_offset_F], // input
(int *)&txdata[aa][slot_offset], // output
frame_parms->ofdm_symbol_size,
12, // number of symbols
frame_parms->ofdm_symbol_size>>2, // number of prefix samples
CYCLIC_PREFIX);
if (frame_parms->Ncp == EXTENDED)
PHY_ofdm_mod(&txdataF[aa][slot_offset_F], // input
&txdata[aa][slot_offset], // output
PHY_ofdm_mod((int *)&txdataF[aa][slot_offset_F], // input
(int *)&txdata[aa][slot_offset], // output
frame_parms->ofdm_symbol_size,
2, // number of symbols
frame_parms->nb_prefix_samples, // number of prefix samples
CYCLIC_PREFIX);
else {
LOG_D(PHY,"Frame %d, subframe %d: Doing PDCCH modulation\n",frame,next_slot>>1);
normal_prefix_mod(&txdataF[aa][slot_offset_F],
&txdata[aa][slot_offset],
normal_prefix_mod((int32_t *)&txdataF[aa][slot_offset_F],
(int32_t *)&txdata[aa][slot_offset],
2,
frame_parms);
}
}
} else {
if (frame_parms->Ncp == EXTENDED)
PHY_ofdm_mod(&txdataF[aa][slot_offset_F], // input
&txdata[aa][slot_offset], // output
PHY_ofdm_mod((int *)&txdataF[aa][slot_offset_F], // input
(int *)&txdata[aa][slot_offset], // output
frame_parms->ofdm_symbol_size,
6, // number of symbols
frame_parms->nb_prefix_samples, // number of prefix samples
CYCLIC_PREFIX);
else {
normal_prefix_mod(&txdataF[aa][slot_offset_F],
&txdata[aa][slot_offset],
normal_prefix_mod((int32_t *)&txdataF[aa][slot_offset_F],
(int32_t *)&txdata[aa][slot_offset],
7,
frame_parms);
}