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

Remove duplicated nr_est_delay_pdsch()/nr_est_timing_advance_pusch() functions and just create the function nr_est_delay()

Browse Source
This commit is contained in:
rmagueta
2023-09-04 17:09:35 +01:00
parent 9f7b159039
commit a629feec29
7 changed files with 34 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/utils/nr/nr_common.c
+24
View File
@@ -801,3 +801,27 @@ void freq2time(uint16_t ofdm_symbol_size,
break;
}
}
void nr_est_delay(int ofdm_symbol_size, const c16_t *ls_est, c16_t *ch_estimates_time, delay_t *delay)
{
freq2time(ofdm_symbol_size, (int16_t *)ls_est, (int16_t *)ch_estimates_time);
int max_pos = delay->delay_max_pos;
int max_val = delay->delay_max_val;
const int sync_pos = 0;
for (int i = 0; i < ofdm_symbol_size; i++) {
int temp = c16amp2(ch_estimates_time[i]) >> 1;
if (temp > max_val) {
max_pos = i;
max_val = temp;
}
}
if (max_pos > ofdm_symbol_size / 2)
max_pos = max_pos - ofdm_symbol_size;
delay->delay_max_pos = max_pos;
delay->delay_max_val = max_val;
delay->est_delay = max_pos - sync_pos;
}
common/utils/nr/nr_common.h
+2
View File
@@ -129,6 +129,8 @@ void freq2time(uint16_t ofdm_symbol_size,
int16_t *freq_signal,
int16_t *time_signal);
void nr_est_delay(int ofdm_symbol_size, const c16_t *ls_est, c16_t *ch_estimates_time, delay_t *delay);
#define CEILIDIV(a,b) ((a+b-1)/b)
#define ROUNDIDIV(a,b) (((a<<1)+b)/(b<<1))