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Ofdm mod update

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This commit is contained in:
Guy De Souza
2018-04-17 10:18:00 +02:00
parent 1440e3c5ad
commit 36717c6831
2 changed files with 17 additions and 1 deletions
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openair1/PHY/MODULATION/ofdm_mod.c
+16
View File
@@ -58,6 +58,22 @@ void normal_prefix_mod(int32_t *txdataF,int32_t *txdata,uint8_t nsymb,LTE_DL_FRA
} }
void nr_normal_prefix_mod(int32_t *txdataF,int32_t *txdata,uint8_t nsymb,NR_DL_FRAME_PARMS *frame_parms)
{
PHY_ofdm_mod(txdataF, // input
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,
nsymb - 1,
frame_parms->nb_prefix_samples, // number of prefix samples
CYCLIC_PREFIX);
}
void PHY_ofdm_mod(int *input, /// pointer to complex input void PHY_ofdm_mod(int *input, /// pointer to complex input
int *output, /// pointer to complex output int *output, /// pointer to complex output
int fftsize, /// FFT_SIZE int fftsize, /// FFT_SIZE
openair1/SCHED_NR/nr_ru_procedures.c
+1 -1
View File
@@ -236,7 +236,7 @@ void nr_feptx_ofdm(RU_t *ru) {
fp); fp);
// if S-subframe generate first slot only // if S-subframe generate first slot only
if (subframe_select(fp,subframe) == SF_DL) if (subframe_select(fp,subframe) == SF_DL)
normal_prefix_mod(&ru->common.txdataF_BF[aa][slot_offset_F+slot_sizeF], nr_normal_prefix_mod(&ru->common.txdataF_BF[aa][slot_offset_F+slot_sizeF],
dummy_tx_b+(fp->samples_per_subframe / fp->slots_per_subframe), dummy_tx_b+(fp->samples_per_subframe / fp->slots_per_subframe),
14, 14,
fp); fp);