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improvements in SIB2 message (info taken from commercial gNB)

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This commit is contained in:
francescomani
2025-04-08 18:09:18 +02:00
parent b5f7d22c02
commit bc27d1e691
1 changed files with 49 additions and 30 deletions
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openair2/RRC/NR/MESSAGES/asn1_msg.c
+49 -30
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@@ -199,49 +199,68 @@ int xer_nr_sprint(char *string, size_t string_size, asn_TYPE_descriptor_t *td, v
int do_SIB23_NR(rrc_gNB_carrier_data_t *carrier)
{
asn_enc_rval_t enc_rval;
SystemInformation_IEs__sib_TypeAndInfo__Member *sib2 = NULL;
SystemInformation_IEs__sib_TypeAndInfo__Member *sib3 = NULL;
NR_BCCH_DL_SCH_Message_t *sib_message = CALLOC(1,sizeof(NR_BCCH_DL_SCH_Message_t));
NR_BCCH_DL_SCH_Message_t *sib_message = calloc(1,sizeof(NR_BCCH_DL_SCH_Message_t));
sib_message->message.present = NR_BCCH_DL_SCH_MessageType_PR_c1;
sib_message->message.choice.c1 = CALLOC(1,sizeof(struct NR_BCCH_DL_SCH_MessageType__c1));
sib_message->message.choice.c1 = calloc(1,sizeof(struct NR_BCCH_DL_SCH_MessageType__c1));
sib_message->message.choice.c1->present = NR_BCCH_DL_SCH_MessageType__c1_PR_systemInformation;
sib_message->message.choice.c1->choice.systemInformation = CALLOC(1,sizeof(struct NR_SystemInformation));
sib_message->message.choice.c1->choice.systemInformation = calloc(1,sizeof(struct NR_SystemInformation));
struct NR_SystemInformation *sib = sib_message->message.choice.c1->choice.systemInformation;
sib->criticalExtensions.present = NR_SystemInformation__criticalExtensions_PR_systemInformation;
sib->criticalExtensions.choice.systemInformation = CALLOC(1, sizeof(struct NR_SystemInformation_IEs));
sib->criticalExtensions.choice.systemInformation = calloc(1, sizeof(struct NR_SystemInformation_IEs));
struct NR_SystemInformation_IEs *ies = sib->criticalExtensions.choice.systemInformation;
sib2 = CALLOC(1, sizeof(SystemInformation_IEs__sib_TypeAndInfo__Member));
sib2->present = NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib2;
sib2->choice.sib2 = CALLOC(1, sizeof(struct NR_SIB2));
sib2->choice.sib2->cellReselectionInfoCommon.q_Hyst = NR_SIB2__cellReselectionInfoCommon__q_Hyst_dB1;
sib2->choice.sib2->cellReselectionServingFreqInfo.threshServingLowP = 2; // INTEGER (0..31)
sib2->choice.sib2->cellReselectionServingFreqInfo.cellReselectionPriority = 2; // INTEGER (0..7)
sib2->choice.sib2->intraFreqCellReselectionInfo.q_RxLevMin = -50; // INTEGER (-70..-22)
sib2->choice.sib2->intraFreqCellReselectionInfo.s_IntraSearchP = 2; // INTEGER (0..31)
sib2->choice.sib2->intraFreqCellReselectionInfo.t_ReselectionNR = 2; // INTEGER (0..7)
sib2->choice.sib2->intraFreqCellReselectionInfo.deriveSSB_IndexFromCell = true;
SystemInformation_IEs__sib_TypeAndInfo__Member *sib2_ie = calloc(1, sizeof(*sib2_ie));
sib2_ie->present = NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib2;
NR_SIB2_t *sib2 = calloc(1, sizeof(*sib2));
sib2->cellReselectionInfoCommon.q_Hyst = NR_SIB2__cellReselectionInfoCommon__q_Hyst_dB0;
struct NR_SIB2__cellReselectionInfoCommon__speedStateReselectionPars *speed = calloc(1, sizeof(*speed));
NR_MobilityStateParameters_t mobilityStateParameters = {0};
mobilityStateParameters.t_Evaluation = NR_MobilityStateParameters__t_Evaluation_s30;
mobilityStateParameters.t_HystNormal = NR_MobilityStateParameters__t_HystNormal_s30;
mobilityStateParameters.n_CellChangeMedium = 1;
mobilityStateParameters.n_CellChangeHigh = 2;
speed->mobilityStateParameters = mobilityStateParameters;
struct NR_SIB2__cellReselectionInfoCommon__speedStateReselectionPars__q_HystSF qhyst = {0};
qhyst.sf_Medium = NR_SIB2__cellReselectionInfoCommon__speedStateReselectionPars__q_HystSF__sf_Medium_dB_4;
qhyst.sf_High = NR_SIB2__cellReselectionInfoCommon__speedStateReselectionPars__q_HystSF__sf_High_dB_6;
speed->q_HystSF = qhyst;
sib2->cellReselectionInfoCommon.speedStateReselectionPars = speed;
sib2->cellReselectionServingFreqInfo.cellReselectionPriority = 0; // INTEGER (0..7)
sib2->cellReselectionServingFreqInfo.threshServingLowP = 0;
NR_ReselectionThresholdQ_t *threshServingLowQ = calloc(1, sizeof(*threshServingLowQ));
*threshServingLowQ = 0;
sib2->cellReselectionServingFreqInfo.threshServingLowQ = threshServingLowQ;
sib2->intraFreqCellReselectionInfo.q_RxLevMin = -56; // INTEGER (-70..-22)
sib2->intraFreqCellReselectionInfo.s_IntraSearchP = 22; // INTEGER (0..31)
sib2->intraFreqCellReselectionInfo.t_ReselectionNR = 1; // INTEGER (0..7)
sib2->intraFreqCellReselectionInfo.deriveSSB_IndexFromCell = true;
NR_SSB_MTC_t *ssbmtc = calloc(1, sizeof(*ssbmtc));
ssbmtc->duration = NR_SSB_MTC__duration_sf5;
ssbmtc->periodicityAndOffset.present = NR_SSB_MTC__periodicityAndOffset_PR_sf20;
ssbmtc->periodicityAndOffset.choice.sf20 = 0;
sib2->intraFreqCellReselectionInfo.smtc = ssbmtc;
sib2_ie->choice.sib2 = sib2;
asn1cSeqAdd(&ies->sib_TypeAndInfo.list, sib2);
sib3 = CALLOC(1, sizeof(SystemInformation_IEs__sib_TypeAndInfo__Member));
sib3->present = NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib3;
sib3->choice.sib3 = CALLOC(1, sizeof(struct NR_SIB3));
asn1cSeqAdd(&ies->sib_TypeAndInfo.list, sib3);
SystemInformation_IEs__sib_TypeAndInfo__Member *sib3_ie = calloc(1, sizeof(*sib3_ie));
sib3_ie->present = NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib3;
sib3_ie->choice.sib3 = calloc(1, sizeof(*sib3_ie->choice.sib3));
asn1cSeqAdd(&ies->sib_TypeAndInfo.list, sib3_ie);
//encode SIB to data
// carrier->SIB23 = (uint8_t *) malloc16(128);
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_BCCH_DL_SCH_Message,
NULL,
(void *)sib_message,
carrier->SIB23,
100);
AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_BCCH_DL_SCH_Message,
NULL,
(void *)sib_message,
carrier->SIB23,
100);
AssertFatal (enc_rval.encoded > 0,
"ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name,
enc_rval.encoded);
ASN_STRUCT_FREE(asn_DEF_NR_BCCH_DL_SCH_Message, sib_message);
return((enc_rval.encoded+7)/8);
return((enc_rval.encoded + 7) / 8);
}
int do_RRCReject(uint8_t *const buffer)