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Merge remote-tracking branch 'origin/NR_bw_index_fix' into integration_2024_w17

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This commit is contained in:
Jaroslava Fiedlerova
2024-04-26 15:46:50 +02:00
parent 8a3c329e90 a0c5a3604a
commit c4b1966fc5
11 changed files with 104 additions and 84 deletions
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common/utils/nr/nr_common.c
+4 -4
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@@ -105,7 +105,6 @@ int get_supported_band_index(int scs, frequency_range_t freq_range, int n_rbs)
return (-1); // not found
}
// Table 5.2-1 NR operating bands in FR1 & FR2 (3GPP TS 38.101)
// Table 5.4.2.3-1 Applicable NR-ARFCN per operating band in FR1 & FR2 (3GPP TS 38.101)
// Notes:
@@ -179,8 +178,9 @@ const nr_bandentry_t nr_bandtable[] = {
{261,27500040,28350000,27500040,28350000, 2,2070833, 120}
};
int get_supported_bw_mhz(frequency_range_t frequency_range, int bw_index)
int get_supported_bw_mhz(frequency_range_t frequency_range, int scs, int nb_rb)
{
int bw_index = get_supported_band_index(scs, frequency_range, nb_rb);
if (frequency_range == FR1) {
switch (bw_index) {
case 0 :
@@ -232,8 +232,8 @@ bool compare_relative_ul_channel_bw(int nr_band, int scs, int nb_ul, frame_type_
// 38.101-1 section 6.2.2
// Relative channel bandwidth <= 4% for TDD bands and <= 3% for FDD bands
int index = get_nr_table_idx(nr_band, scs);
int bw_index = get_supported_band_index(scs, nr_band > 256 ? FR2 : FR1, nb_ul);
int band_size_khz = get_supported_bw_mhz(nr_band > 256 ? FR2 : FR1, bw_index) * 1000;
int band_size_khz = get_supported_bw_mhz(nr_band > 256 ? FR2 : FR1, scs, nb_ul) * 1000;
float limit = frame_type == TDD ? 0.04 : 0.03;
float rel_bw = (float) (2 * band_size_khz) / (float) (nr_bandtable[index].ul_max + nr_bandtable[index].ul_min);
return rel_bw <= limit;