maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

use of apply_rotation functions also at UE

Browse Source
This commit is contained in:
francescomani
2023-06-20 10:39:13 +02:00
parent 35b3a6d478
commit 1c3058e2d2
10 changed files with 102 additions and 138 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/MODULATION/ofdm_mod.c
+14 -14
View File
@@ -334,17 +334,17 @@ void do_OFDM_mod(c16_t **txdataF, c16_t **txdata, uint32_t frame,uint16_t next_s
}
void apply_nr_rotation(NR_DL_FRAME_PARMS *fp,
c16_t *txdataF,
int slot,
int first_symbol,
int nsymb,
int link_type)
void apply_nr_rotation_TX(NR_DL_FRAME_PARMS *fp,
c16_t *txdataF,
c16_t *symbol_rotation,
int slot,
int nb_rb,
int first_symbol,
int nsymb)
{
int symb_offset = (slot%fp->slots_per_subframe)*fp->symbols_per_slot;
int symb_offset = (slot % fp->slots_per_subframe) * fp->symbols_per_slot;
c16_t *symbol_rotation = fp->symbol_rotation[link_type] + symb_offset;
int N_RB = (link_type == link_type_sl) ? fp->N_RB_SL : fp->N_RB_DL;
symbol_rotation += symb_offset;
for (int sidx = first_symbol; sidx < first_symbol + nsymb; sidx++) {
c16_t *this_rotation = symbol_rotation + sidx;
@@ -357,20 +357,20 @@ void apply_nr_rotation(NR_DL_FRAME_PARMS *fp,
this_rotation->r,
this_rotation->i);
if (N_RB & 1) {
if (nb_rb & 1) {
rotate_cpx_vector(this_symbol, this_rotation, this_symbol,
(N_RB + 1) * 6, 15);
(nb_rb + 1) * 6, 15);
rotate_cpx_vector(this_symbol + fp->first_carrier_offset - 6,
this_rotation,
this_symbol + fp->first_carrier_offset - 6,
(N_RB + 1) * 6, 15);
(nb_rb + 1) * 6, 15);
} else {
rotate_cpx_vector(this_symbol, this_rotation, this_symbol,
N_RB * 6, 15);
nb_rb * 6, 15);
rotate_cpx_vector(this_symbol + fp->first_carrier_offset,
this_rotation,
this_symbol + fp->first_carrier_offset,
N_RB * 6, 15);
nb_rb * 6, 15);
}
}
}