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

move init_delay_table to nr_phy_common

Browse Source
This commit is contained in:
francescomani
2025-04-01 19:15:08 +02:00
committed by Robert Schmidt
parent c6ccda2998
commit 331325b0f3
3 changed files with 16 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/utils/nr/nr_common.c
+1 -16
View File
@@ -34,9 +34,8 @@
#include "assertions.h"
#include "common/utils/assertions.h"
#include "common/utils/LOG/log.h"
#include "openair1/PHY/TOOLS/tools_defs.h"
#include "nr_common.h"
#include <complex.h>
#include <limits.h>
#define C_SRS_NUMBER (64)
#define B_SRS_NUMBER (4)
@@ -1321,20 +1320,6 @@ int get_delay_idx(int delay, int max_delay_comp)
return delay_idx;
}
void init_delay_table(uint16_t ofdm_symbol_size,
int max_delay_comp,
int max_ofdm_symbol_size,
c16_t delay_table[][max_ofdm_symbol_size])
{
for (int delay = -max_delay_comp; delay <= max_delay_comp; delay++) {
for (int k = 0; k < ofdm_symbol_size; k++) {
double complex delay_cexp = cexp(I * (2.0 * M_PI * k * delay / ofdm_symbol_size));
delay_table[max_delay_comp + delay][k].r = (int16_t)round(256 * creal(delay_cexp));
delay_table[max_delay_comp + delay][k].i = (int16_t)round(256 * cimag(delay_cexp));
}
}
}
int set_default_nta_offset(frequency_range_t freq_range, uint32_t samples_per_subframe)
{
// ta_offset_samples : ta_offset = samples_per_subframe : (Δf_max x N_f / 1000)