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improvement in setting ssb parameters

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This commit is contained in:
francescomani
2021-09-14 13:52:02 +02:00
parent 9eb813b02b
commit b93cb71483
1 changed files with 10 additions and 11 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+10 -11
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@@ -60,22 +60,21 @@ uint16_t get_ssboffset_pointa(NR_ServingCellConfigCommon_t *scc,const long band)
int ratio;
switch (*scc->ssbSubcarrierSpacing) {
case NR_SubcarrierSpacing_kHz15:
AssertFatal(band <= 79,
AssertFatal(band <= 95,
"Band %ld is not possible for SSB with 15 kHz SCS\n",
band);
if (band < 77) // below 3GHz
ratio = 3; // NRARFCN step is 5 kHz
else
ratio = 1; // NRARFCN step is 15 kHz
// no band available above 3GHz using 15kHz
ratio = 3; // NRARFCN step is 5 kHz
break;
case NR_SubcarrierSpacing_kHz30:
AssertFatal(band <= 79,
"Band %ld is not possible for SSB with 15 kHz SCS\n",
AssertFatal(band <= 96,
"Band %ld is not possible for SSB with 30 kHz SCS\n",
band);
if (band < 77) // below 3GHz
ratio = 6; // NRARFCN step is 5 kHz
if (band == 46 || band == 48 || band == 77 ||
band == 78 || band == 79 || band == 96) // above 3GHz
ratio = 2; // NRARFCN step is 15 kHz
else
ratio = 2; // NRARFCN step is 15 kHz
ratio = 6; // NRARFCN step is 5 kHz
break;
case NR_SubcarrierSpacing_kHz120:
AssertFatal(band >= 257,
@@ -363,7 +362,7 @@ uint32_t schedule_control_sib1(module_id_t module_id,
const uint16_t bwpSize = type0_PDCCH_CSS_config->num_rbs;
int rbStart = type0_PDCCH_CSS_config->cset_start_rb;
printf("%d %d\n",bwpSize,rbStart);
// TODO: There are exceptions to this in table 5.1.2.1.1-4,5 (Default time domain allocation tables B, C)
int mappingtype = (startSymbolIndex <= 3)? typeA: typeB;