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improve ssb sco condition

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This commit is contained in:
francescomani
2021-09-30 09:47:03 +02:00
parent 2d2f6c6421
commit b8af250fb9
1 changed files with 7 additions and 8 deletions
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openair2/LAYER2/NR_MAC_gNB/config.c
+7 -8
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@@ -318,16 +318,15 @@ void config_common(int Mod_idP, int ssb_SubcarrierOffset, int pdsch_AntennaPorts
scs_scaling = scs_scaling>>2;
uint32_t absolute_diff = (*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB - scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA);
uint16_t sco = absolute_diff%(12*scs_scaling);
if (get_softmodem_params()->phy_test || get_softmodem_params()->do_ra || get_softmodem_params()->sa) {
AssertFatal(sco==(scs_scaling * ssb_SubcarrierOffset),"absoluteFrequencySSB has a subcarrier offset of %d while it should be %d\n",sco/scs_scaling,ssb_SubcarrierOffset);
// values of subcarrier offset larger than the limit only indicates CORESET for Type0-PDCCH CSS set is not present
uint8_t ssb_SubcarrierOffset_limit = 0;
if(frequency_range == FR1) {
ssb_SubcarrierOffset_limit = 24;
} else {
if(frequency_range == FR1) {
AssertFatal(ssb_SubcarrierOffset>=24,"ssb_SubcarrierOffset must be equal or higher than 24\n");
} else {
AssertFatal(ssb_SubcarrierOffset>=12,"ssb_SubcarrierOffset must be equal or higher than 12\n");
}
ssb_SubcarrierOffset_limit = 12;
}
if (ssb_SubcarrierOffset<ssb_SubcarrierOffset_limit)
AssertFatal(sco==(scs_scaling * ssb_SubcarrierOffset),"absoluteFrequencySSB has a subcarrier offset of %d while it should be %d\n",sco/scs_scaling,ssb_SubcarrierOffset);
cfg->ssb_table.ssb_offset_point_a.value = absolute_diff/(12*scs_scaling) - 10; //absoluteFrequencySSB is the central frequency of SSB which is made by 20RBs in total
cfg->ssb_table.ssb_offset_point_a.tl.tag = NFAPI_NR_CONFIG_SSB_OFFSET_POINT_A_TAG;