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init frame parms ue sa

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This commit is contained in:
francescomani
2021-03-23 15:47:46 +01:00
parent 88c36546f8
commit 62b68e788c
8 changed files with 101 additions and 61 deletions
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common/utils/nr/nr_common.c
+34
View File
@@ -106,6 +106,40 @@ nr_bandentry_t nr_bandtable[] = {
{261,27500040,28350000,27500040,28350000, 2,2070833, 120}
};
uint16_t get_band(uint64_t downlink_frequency, int32_t delta_duplex)
{
const uint64_t dl_freq_khz = downlink_frequency / 1000;
const int32_t delta_duplex_khz = delta_duplex / 1000;
uint64_t center_freq_diff_khz = 999999999999999999; // 2^64
uint16_t current_band = 0;
for (int ind = 0; ind < nr_bandtable_size; ind++) {
if (dl_freq_khz < nr_bandtable[ind].dl_min || dl_freq_khz > nr_bandtable[ind].dl_max)
continue;
int32_t current_offset_khz = nr_bandtable[ind].ul_min - nr_bandtable[ind].dl_min;
if (current_offset_khz != delta_duplex_khz)
continue;
uint64_t center_frequency_khz = (nr_bandtable[ind].dl_max + nr_bandtable[ind].dl_min) / 2;
if (abs(dl_freq_khz - center_frequency_khz) < center_freq_diff_khz){
current_band = nr_bandtable[ind].band;
center_freq_diff_khz = abs(dl_freq_khz - center_frequency_khz);
}
}
printf("DL frequency %"PRIu64": band %d, UL frequency %"PRIu64"\n",
downlink_frequency, current_band, downlink_frequency+delta_duplex);
AssertFatal(current_band != 0, "Can't find EUTRA band for frequency %"PRIu64" and duplex_spacing %u\n", downlink_frequency, delta_duplex);
return current_band;
}
const size_t nr_bandtable_size = sizeof(nr_bandtable) / sizeof(nr_bandentry_t);
int NRRIV2BW(int locationAndBandwidth,int N_RB) {
common/utils/nr/nr_common.h
+1
View File
@@ -50,6 +50,7 @@ typedef struct nr_bandentry_s {
extern const size_t nr_bandtable_size;
extern nr_bandentry_t nr_bandtable[];
uint16_t get_band(uint64_t downlink_frequency, int32_t delta_duplex);
int NRRIV2BW(int locationAndBandwidth,int N_RB);
int NRRIV2PRBOFFSET(int locationAndBandwidth,int N_RB);
int PRBalloc_to_locationandbandwidth0(int NPRB,int RBstart,int BWPsize);