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automatic selection of ssb bitmap length

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This commit is contained in:
francescomani
2024-09-08 10:33:37 +02:00
parent 69a84825fb
commit a14782f1a8
2 changed files with 51 additions and 28 deletions
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openair2/GNB_APP/RRC_nr_paramsvalues.h
-2
View File
@@ -92,7 +92,6 @@
#define GNB_CONFIG_STRING_PUCCHRES "pucch_ResourceCommon"
#define GNB_CONFIG_STRING_SSBPOSITIONSINBURSTPR "ssb_PositionsInBurst_PR"
#define GNB_CONFIG_STRING_SSBPOSITIONSINBURST "ssb_PositionsInBurst_Bitmap"
#define GNB_CONFIG_STRING_SSBPERIODICITYSERVINGCELL "ssb_periodicityServingCell"
#define GNB_CONFIG_STRING_DMRSTYPEAPOSITION "dmrs_TypeA_Position"
@@ -219,7 +218,6 @@
{GNB_CONFIG_STRING_HOPPINGID, NULL,0,.i64ptr=scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->hoppingId,.defint64val=40,TYPE_INT64,0},\
{GNB_CONFIG_STRING_P0NOMINAL, NULL,0,.i64ptr=scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->p0_nominal,.defint64val=1,TYPE_INT64,0},\
{GNB_CONFIG_STRING_PUCCHRES, NULL,0,.i64ptr=scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->pucch_ResourceCommon,.defint64val=0,TYPE_INT64,0},\
{GNB_CONFIG_STRING_SSBPOSITIONSINBURSTPR,NULL,0,.uptr=&scc->ssb_PositionsInBurst->present,.defuintval=NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap,TYPE_UINT,0/*140*/}, \
{GNB_CONFIG_STRING_SSBPOSITIONSINBURST,NULL,0,.u64ptr=&ssb_bitmap,.defintval=0xff,TYPE_UINT64,0}, \
{GNB_CONFIG_STRING_REFERENCESUBCARRIERSPACING,NULL,0,.i64ptr=&scc->tdd_UL_DL_ConfigurationCommon->referenceSubcarrierSpacing,.defint64val=NR_SubcarrierSpacing_kHz30,TYPE_INT64,0},\
{GNB_CONFIG_STRING_DLULTRANSMISSIONPERIODICITY,NULL,0,.i64ptr=&scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity,.defint64val=NR_TDD_UL_DL_Pattern__dl_UL_TransmissionPeriodicity_ms0p5,TYPE_INT64,0},\
openair2/GNB_APP/gnb_config.c
+51 -26
View File
@@ -97,9 +97,6 @@
extern uint16_t sf_ahead;
extern int config_check_band_frequencies(int ind, int16_t band, uint64_t downlink_frequency,
int32_t uplink_frequency_offset, uint32_t frame_type);
void prepare_scc(NR_ServingCellConfigCommon_t *scc) {
NR_FreqBandIndicatorNR_t *dl_frequencyBandList,*ul_frequencyBandList;
@@ -221,8 +218,40 @@ void prepare_scc(NR_ServingCellConfigCommon_t *scc) {
scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17 = CALLOC(1, sizeof(*scc->ext2->ntn_Config_r17->cellSpecificKoffset_r17));
}
void fill_scc_sim(NR_ServingCellConfigCommon_t *scc,uint64_t *ssb_bitmap,int N_RB_DL,int N_RB_UL,int mu_dl,int mu_ul) {
// Section 4.1 in 38.213
NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR get_ssb_len(NR_ServingCellConfigCommon_t *scc)
{
NR_FrequencyInfoDL_t *frequencyInfoDL = scc->downlinkConfigCommon->frequencyInfoDL;
int scs = *scc->ssbSubcarrierSpacing;
int nr_band = *frequencyInfoDL->frequencyBandList.list.array[0];
long freq = from_nrarfcn(nr_band, scs, frequencyInfoDL->absoluteFrequencyPointA);
frame_type_t frame_type = get_frame_type(nr_band, scs);
if (scs == 0) {
if (freq < 3000000000)
return NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap;
else
return NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap;
}
if (scs == 1) {
if (nr_band == 5 || nr_band == 24 || nr_band == 66 || frame_type == FDD) { // case B or paired spectrum
if (freq < 3000000000)
return NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap;
else
return NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap;
}
else { // case C and unpaired spectrum
if (freq < 1880000000)
return NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap;
else
return NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap;
}
}
// FR2
return NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_longBitmap;
}
void fill_scc_sim(NR_ServingCellConfigCommon_t *scc, uint64_t *ssb_bitmap, int N_RB_DL, int N_RB_UL, int mu_dl, int mu_ul)
{
*scc->physCellId=0; \
// *scc->n_TimingAdvanceOffset=NR_ServingCellConfigCommon__n_TimingAdvanceOffset_n0;
*scc->ssb_periodicityServingCell=NR_ServingCellConfigCommon__ssb_periodicityServingCell_ms20;
@@ -317,44 +346,40 @@ void fill_scc_sim(NR_ServingCellConfigCommon_t *scc,uint64_t *ssb_bitmap,int N_R
}
void fix_scc(NR_ServingCellConfigCommon_t *scc,uint64_t ssbmap) {
int ssbmaplen = (int)scc->ssb_PositionsInBurst->present;
void fix_scc(NR_ServingCellConfigCommon_t *scc, uint64_t ssbmap)
{
scc->ssb_PositionsInBurst->present = get_ssb_len(scc);
uint8_t curr_bit;
AssertFatal(ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap ||
ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap ||
ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_longBitmap, "illegal ssbmaplen %d\n",ssbmaplen);
// changing endianicity of ssbmap and filling the ssb_PositionsInBurst buffers
if(ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap){
if(scc->ssb_PositionsInBurst->present == NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap) {
scc->ssb_PositionsInBurst->choice.shortBitmap.size = 1;
scc->ssb_PositionsInBurst->choice.shortBitmap.bits_unused = 4;
scc->ssb_PositionsInBurst->choice.shortBitmap.buf = CALLOC(1,1);
scc->ssb_PositionsInBurst->choice.shortBitmap.buf = CALLOC(1, 1);
scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0] = 0;
for (int i=0; i<8; i++) {
for (int i = 0; i < 8; i++) {
if (i<scc->ssb_PositionsInBurst->choice.shortBitmap.bits_unused)
curr_bit = 0;
else
curr_bit = (ssbmap>>(7-i))&0x01;
scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0] |= curr_bit<<i;
curr_bit = (ssbmap >> (7 - i)) & 0x01;
scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0] |= curr_bit << i;
}
}else if(ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap){
} else if(scc->ssb_PositionsInBurst->present == NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap) {
scc->ssb_PositionsInBurst->choice.mediumBitmap.size = 1;
scc->ssb_PositionsInBurst->choice.mediumBitmap.bits_unused = 0;
scc->ssb_PositionsInBurst->choice.mediumBitmap.buf = CALLOC(1,1);
scc->ssb_PositionsInBurst->choice.mediumBitmap.buf = CALLOC(1, 1);
scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0] = 0;
for (int i=0; i<8; i++)
scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0] |= (((ssbmap>>(7-i))&0x01)<<i);
}else {
for (int i = 0; i < 8; i++)
scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0] |= (((ssbmap >> (7 - i)) & 0x01) << i);
} else {
scc->ssb_PositionsInBurst->choice.longBitmap.size = 8;
scc->ssb_PositionsInBurst->choice.longBitmap.bits_unused = 0;
scc->ssb_PositionsInBurst->choice.longBitmap.buf = CALLOC(1,8);
for (int j=0; j<8; j++) {
scc->ssb_PositionsInBurst->choice.longBitmap.buf = CALLOC(1, 8);
for (int j = 0; j < 8; j++) {
scc->ssb_PositionsInBurst->choice.longBitmap.buf[j] = 0;
curr_bit = (ssbmap>>(j<<3))&(0xff);
for (int i=0; i<8; i++)
scc->ssb_PositionsInBurst->choice.longBitmap.buf[j] |= (((curr_bit>>(7-i))&0x01)<<i);
curr_bit = (ssbmap >> (j << 3)) & 0xff;
for (int i = 0; i < 8; i++)
scc->ssb_PositionsInBurst->choice.longBitmap.buf[j] |= (((curr_bit >> (7 - i)) & 0x01) << i);
}
}