maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
d5421a9c87cfcfa208432b2dde2affdfdbec306e
openairinterface5g/openair2/RRC/NR/nr_rrc_config.c
T
rmagueta d5421a9c87 Merge remote-tracking branch 'origin/develop' into develop-CSI 
# Conflicts:
#	openair1/PHY/INIT/nr_init.c
#	openair1/PHY/NR_REFSIG/nr_refsig.h
#	openair1/PHY/NR_TRANSPORT/nr_csi_rs.c
#	openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
#	openair1/SCHED_NR/phy_procedures_nr_gNB.c
#	openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
#	openair2/RRC/NR/MESSAGES/asn1_msg.c
#	openair2/RRC/NR/MESSAGES/asn1_msg.h
2022-04-12 14:02:43 +01:00

337 lines
18 KiB
C
Raw Blame History

/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file nr_rrc_config.c
* \brief rrc config for gNB
* \author Raymond Knopp, WEI-TAI CHEN
* \date 2018
* \version 1.0
* \company Eurecom, NTUST
* \email: raymond.knopp@eurecom.fr, kroempa@gmail.com
*/
#include "nr_rrc_config.h"
#include "common/utils/nr/nr_common.h"
const uint8_t slotsperframe[5] = {10, 20, 40, 80, 160};
void set_csirs_periodicity(NR_NZP_CSI_RS_Resource_t *nzpcsi0, int uid, int nb_slots_per_period) {
nzpcsi0->periodicityAndOffset = calloc(1,sizeof(*nzpcsi0->periodicityAndOffset));
int ideal_period = nb_slots_per_period*MAX_MOBILES_PER_GNB;
if (ideal_period<5) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots4;
nzpcsi0->periodicityAndOffset->choice.slots4 = nb_slots_per_period*uid;
}
else if (ideal_period<6) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots5;
nzpcsi0->periodicityAndOffset->choice.slots5 = nb_slots_per_period*uid;
}
else if (ideal_period<9) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots8;
nzpcsi0->periodicityAndOffset->choice.slots8 = nb_slots_per_period*uid;
}
else if (ideal_period<11) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots10;
nzpcsi0->periodicityAndOffset->choice.slots10 = nb_slots_per_period*uid;
}
else if (ideal_period<17) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots16;
nzpcsi0->periodicityAndOffset->choice.slots16 = nb_slots_per_period*uid;
}
else if (ideal_period<21) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots20;
nzpcsi0->periodicityAndOffset->choice.slots20 = nb_slots_per_period*uid;
}
else if (ideal_period<41) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots40;
nzpcsi0->periodicityAndOffset->choice.slots40 = nb_slots_per_period*uid;
}
else if (ideal_period<81) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots80;
nzpcsi0->periodicityAndOffset->choice.slots80 = nb_slots_per_period*uid;
}
else if (ideal_period<161) {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots160;
nzpcsi0->periodicityAndOffset->choice.slots160 = nb_slots_per_period*uid;
}
else {
nzpcsi0->periodicityAndOffset->present = NR_CSI_ResourcePeriodicityAndOffset_PR_slots320;
nzpcsi0->periodicityAndOffset->choice.slots320 = (nb_slots_per_period*uid)%320 + (nb_slots_per_period*uid)/320;
}
}
void config_csirs(NR_ServingCellConfigCommon_t *servingcellconfigcommon,
NR_CSI_MeasConfig_t *csi_MeasConfig,
int uid,
int num_dl_antenna_ports,
int curr_bwp,
int do_csirs) {
if (do_csirs) {
csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList = calloc(1,sizeof(*csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList));
NR_NZP_CSI_RS_ResourceSet_t *nzpcsirs0 = calloc(1,sizeof(*nzpcsirs0));
nzpcsirs0->nzp_CSI_ResourceSetId = 0;
NR_NZP_CSI_RS_ResourceId_t *nzpid0 = calloc(1,sizeof(*nzpid0));
*nzpid0 = 0;
ASN_SEQUENCE_ADD(&nzpcsirs0->nzp_CSI_RS_Resources,nzpid0);
nzpcsirs0->repetition = NULL;
nzpcsirs0->aperiodicTriggeringOffset = NULL;
nzpcsirs0->trs_Info = NULL;
ASN_SEQUENCE_ADD(&csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList->list,nzpcsirs0);
const NR_TDD_UL_DL_Pattern_t *tdd = servingcellconfigcommon->tdd_UL_DL_ConfigurationCommon ?
&servingcellconfigcommon->tdd_UL_DL_ConfigurationCommon->pattern1 : NULL;
const int n_slots_frame = slotsperframe[*servingcellconfigcommon->ssbSubcarrierSpacing];
int nb_slots_per_period = n_slots_frame;
if (tdd)
nb_slots_per_period = n_slots_frame/get_nb_periods_per_frame(tdd->dl_UL_TransmissionPeriodicity);
csi_MeasConfig->nzp_CSI_RS_ResourceToAddModList = calloc(1,sizeof(*csi_MeasConfig->nzp_CSI_RS_ResourceToAddModList));
NR_NZP_CSI_RS_Resource_t *nzpcsi0 = calloc(1,sizeof(*nzpcsi0));
nzpcsi0->nzp_CSI_RS_ResourceId = 0;
NR_CSI_RS_ResourceMapping_t resourceMapping;
switch (num_dl_antenna_ports) {
case 1:
resourceMapping.frequencyDomainAllocation.present = NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2;
resourceMapping.frequencyDomainAllocation.choice.row2.buf = calloc(2, sizeof(uint8_t));
resourceMapping.frequencyDomainAllocation.choice.row2.size = 2;
resourceMapping.frequencyDomainAllocation.choice.row2.bits_unused = 4;
resourceMapping.frequencyDomainAllocation.choice.row2.buf[0] = 0;
resourceMapping.frequencyDomainAllocation.choice.row2.buf[1] = 16;
resourceMapping.nrofPorts = NR_CSI_RS_ResourceMapping__nrofPorts_p1;
resourceMapping.cdm_Type = NR_CSI_RS_ResourceMapping__cdm_Type_noCDM;
break;
case 2:
resourceMapping.frequencyDomainAllocation.present = NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other;
resourceMapping.frequencyDomainAllocation.choice.other.buf = calloc(2, sizeof(uint8_t));
resourceMapping.frequencyDomainAllocation.choice.other.size = 1;
resourceMapping.frequencyDomainAllocation.choice.other.bits_unused = 2;
resourceMapping.frequencyDomainAllocation.choice.other.buf[0] = 4;
resourceMapping.nrofPorts = NR_CSI_RS_ResourceMapping__nrofPorts_p2;
resourceMapping.cdm_Type = NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2;
break;
case 4:
resourceMapping.frequencyDomainAllocation.present = NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4;
resourceMapping.frequencyDomainAllocation.choice.row4.buf = calloc(2, sizeof(uint8_t));
resourceMapping.frequencyDomainAllocation.choice.row4.size = 1;
resourceMapping.frequencyDomainAllocation.choice.row4.bits_unused = 5;
resourceMapping.frequencyDomainAllocation.choice.row4.buf[0] = 32;
resourceMapping.nrofPorts = NR_CSI_RS_ResourceMapping__nrofPorts_p4;
resourceMapping.cdm_Type = NR_CSI_RS_ResourceMapping__cdm_Type_fd_CDM2;
break;
default:
AssertFatal(1==0,"Number of ports not yet supported\n");
}
resourceMapping.firstOFDMSymbolInTimeDomain = 13; // last symbol of slot
resourceMapping.firstOFDMSymbolInTimeDomain2 = NULL;
resourceMapping.density.present = NR_CSI_RS_ResourceMapping__density_PR_one;
resourceMapping.density.choice.one = (NULL_t)0;
resourceMapping.freqBand.startingRB = 0;
resourceMapping.freqBand.nrofRBs = ((curr_bwp>>2)+(curr_bwp%4>0))<<2;
nzpcsi0->resourceMapping = resourceMapping;
nzpcsi0->powerControlOffset = 0;
nzpcsi0->powerControlOffsetSS=calloc(1,sizeof(*nzpcsi0->powerControlOffsetSS));
*nzpcsi0->powerControlOffsetSS = NR_NZP_CSI_RS_Resource__powerControlOffsetSS_db0;
nzpcsi0->scramblingID = *servingcellconfigcommon->physCellId;
set_csirs_periodicity(nzpcsi0, uid, nb_slots_per_period);
nzpcsi0->qcl_InfoPeriodicCSI_RS = calloc(1,sizeof(*nzpcsi0->qcl_InfoPeriodicCSI_RS));
*nzpcsi0->qcl_InfoPeriodicCSI_RS = 0;
ASN_SEQUENCE_ADD(&csi_MeasConfig->nzp_CSI_RS_ResourceToAddModList->list,nzpcsi0);
}
else {
csi_MeasConfig->nzp_CSI_RS_ResourceToAddModList = NULL;
csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList = NULL;
}
csi_MeasConfig->nzp_CSI_RS_ResourceSetToReleaseList = NULL;
csi_MeasConfig->nzp_CSI_RS_ResourceToReleaseList = NULL;
}
void prepare_sim_uecap(NR_UE_NR_Capability_t *cap,
NR_ServingCellConfigCommon_t *scc,
int numerology,
int rbsize,
int mcs_table) {
int band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
NR_BandNR_t *nr_bandnr = CALLOC(1,sizeof(NR_BandNR_t));
nr_bandnr->bandNR = band;
ASN_SEQUENCE_ADD(&cap->rf_Parameters.supportedBandListNR.list,
nr_bandnr);
if (mcs_table == 1) {
int bw = get_supported_band_index(numerology, band, rbsize);
if (band>256) {
NR_BandNR_t *bandNRinfo = cap->rf_Parameters.supportedBandListNR.list.array[0];
bandNRinfo->pdsch_256QAM_FR2 = CALLOC(1,sizeof(*bandNRinfo->pdsch_256QAM_FR2));
*bandNRinfo->pdsch_256QAM_FR2 = NR_BandNR__pdsch_256QAM_FR2_supported;
}
else{
cap->phy_Parameters.phy_ParametersFR1 = CALLOC(1,sizeof(*cap->phy_Parameters.phy_ParametersFR1));
NR_Phy_ParametersFR1_t *phy_fr1 = cap->phy_Parameters.phy_ParametersFR1;
phy_fr1->pdsch_256QAM_FR1 = CALLOC(1,sizeof(*phy_fr1->pdsch_256QAM_FR1));
*phy_fr1->pdsch_256QAM_FR1 = NR_Phy_ParametersFR1__pdsch_256QAM_FR1_supported;
}
cap->featureSets = CALLOC(1,sizeof(*cap->featureSets));
NR_FeatureSets_t *fs=cap->featureSets;
fs->featureSetsDownlinkPerCC = CALLOC(1,sizeof(*fs->featureSetsDownlinkPerCC));
NR_FeatureSetDownlinkPerCC_t *fs_cc = CALLOC(1,sizeof(NR_FeatureSetDownlinkPerCC_t));
fs_cc->supportedSubcarrierSpacingDL = numerology;
if(band>256) {
fs_cc->supportedBandwidthDL.present = NR_SupportedBandwidth_PR_fr2;
fs_cc->supportedBandwidthDL.choice.fr2 = bw;
}
else{
fs_cc->supportedBandwidthDL.present = NR_SupportedBandwidth_PR_fr1;
fs_cc->supportedBandwidthDL.choice.fr1 = bw;
}
fs_cc->supportedModulationOrderDL = CALLOC(1,sizeof(*fs_cc->supportedModulationOrderDL));
*fs_cc->supportedModulationOrderDL = NR_ModulationOrder_qam256;
ASN_SEQUENCE_ADD(&fs->featureSetsDownlinkPerCC->list, fs_cc);
}
}
void nr_rrc_config_dl_tda(NR_ServingCellConfigCommon_t *scc){
lte_frame_type_t frame_type = get_frame_type(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
int curr_bwp = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
// coreset duration setting to be improved in the framework of RRC harmonization, potentially using a common function
int len_coreset = 1;
if (curr_bwp < 48)
len_coreset = 2;
// setting default TDA for DL with
struct NR_PDSCH_TimeDomainResourceAllocation *timedomainresourceallocation = CALLOC(1,sizeof(NR_PDSCH_TimeDomainResourceAllocation_t));
timedomainresourceallocation->mappingType = NR_PDSCH_TimeDomainResourceAllocation__mappingType_typeA;
timedomainresourceallocation->startSymbolAndLength = get_SLIV(len_coreset,14-len_coreset); // basic slot configuration starting in symbol 1 til the end of the slot
ASN_SEQUENCE_ADD(&scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list,
timedomainresourceallocation);
if(frame_type==TDD) {
// TDD
if(scc->tdd_UL_DL_ConfigurationCommon) {
int dl_symb = scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSymbols;
if(dl_symb > 1) {
timedomainresourceallocation = CALLOC(1,sizeof(NR_PDSCH_TimeDomainResourceAllocation_t));
timedomainresourceallocation->mappingType = NR_PDSCH_TimeDomainResourceAllocation__mappingType_typeA;
timedomainresourceallocation->startSymbolAndLength = get_SLIV(len_coreset,dl_symb-len_coreset); // mixed slot configuration starting in symbol 1 til the end of the dl allocation
ASN_SEQUENCE_ADD(&scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list,
timedomainresourceallocation);
}
}
}
}
void nr_rrc_config_ul_tda(NR_ServingCellConfigCommon_t *scc, int min_fb_delay){
//TODO change to accomodate for SRS
int temp_min_delay = 6; // k2 = 2 or 3 won'r work as well as higher values
int k2 = (min_fb_delay<temp_min_delay)?temp_min_delay:min_fb_delay;
uint8_t DELTA[4]= {2,3,4,6}; // Delta parameter for Msg3
int mu = scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.subcarrierSpacing;
lte_frame_type_t frame_type = get_frame_type(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
struct NR_PUSCH_TimeDomainResourceAllocation *pusch_timedomainresourceallocation = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
pusch_timedomainresourceallocation->k2 = CALLOC(1,sizeof(long));
*pusch_timedomainresourceallocation->k2 = k2;
pusch_timedomainresourceallocation->mappingType = NR_PUSCH_TimeDomainResourceAllocation__mappingType_typeB;
pusch_timedomainresourceallocation->startSymbolAndLength = get_SLIV(0,13); // basic slot configuration starting in symbol 0 til the last but one symbol
ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_timedomainresourceallocation);
if(frame_type==TDD) {
// TDD
if(scc->tdd_UL_DL_ConfigurationCommon) {
int ul_symb = scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols;
pusch_timedomainresourceallocation = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
pusch_timedomainresourceallocation->k2 = CALLOC(1,sizeof(long));
*pusch_timedomainresourceallocation->k2 = k2;
pusch_timedomainresourceallocation->mappingType = NR_PUSCH_TimeDomainResourceAllocation__mappingType_typeB;
pusch_timedomainresourceallocation->startSymbolAndLength = get_SLIV(14-ul_symb,ul_symb-1); // starting in fist ul symbol til the last but one
ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_timedomainresourceallocation);
// for msg3 in the mixed slot
int nb_periods_per_frame = get_nb_periods_per_frame(scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity);
int nb_slots_per_period = ((1<<mu) * 10)/nb_periods_per_frame;
struct NR_PUSCH_TimeDomainResourceAllocation *pusch_timedomainresourceallocation_msg3 = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
pusch_timedomainresourceallocation_msg3->k2 = CALLOC(1,sizeof(long));
*pusch_timedomainresourceallocation_msg3->k2 = nb_slots_per_period - DELTA[mu];
if(*pusch_timedomainresourceallocation_msg3->k2 < min_fb_delay)
*pusch_timedomainresourceallocation_msg3->k2 += nb_slots_per_period;
AssertFatal(*pusch_timedomainresourceallocation_msg3->k2<33,"Computed k2 for msg3 %ld is larger than the range allowed by RRC (0..32)\n",
*pusch_timedomainresourceallocation_msg3->k2);
pusch_timedomainresourceallocation_msg3->mappingType = NR_PUSCH_TimeDomainResourceAllocation__mappingType_typeB;
pusch_timedomainresourceallocation_msg3->startSymbolAndLength = get_SLIV(14-ul_symb,ul_symb-1); // starting in fist ul symbol til the last but one
ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_timedomainresourceallocation_msg3);
}
}
}
void set_dl_mcs_table(int scs, NR_UE_NR_Capability_t *cap,
NR_BWP_DownlinkDedicated_t *bwp_Dedicated,
NR_ServingCellConfigCommon_t *scc) {
if (cap == NULL){
bwp_Dedicated->pdsch_Config->choice.setup->mcs_Table = NULL;
return;
}
int band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
struct NR_FrequencyInfoDL__scs_SpecificCarrierList scs_list = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList;
int bw_rb = -1;
for(int i=0; i<scs_list.list.count; i++){
if(scs == scs_list.list.array[i]->subcarrierSpacing){
bw_rb = scs_list.list.array[i]->carrierBandwidth;
break;
}
}
AssertFatal(bw_rb>0,"Could not find scs-SpecificCarrierList element for scs %d",scs);
int bw = get_supported_band_index(scs, band, bw_rb);
AssertFatal(bw>0,"Supported band corresponding to %d RBs not found\n", bw_rb);
bool supported = false;
if (band>256) {
for (int i=0;i<cap->rf_Parameters.supportedBandListNR.list.count;i++) {
NR_BandNR_t *bandNRinfo = cap->rf_Parameters.supportedBandListNR.list.array[i];
if(bandNRinfo->bandNR == band && bandNRinfo->pdsch_256QAM_FR2) {
supported = true;
break;
}
}
}
else if (cap->phy_Parameters.phy_ParametersFR1 && cap->phy_Parameters.phy_ParametersFR1->pdsch_256QAM_FR1)
supported = true;
if (supported) {
if(bwp_Dedicated->pdsch_Config->choice.setup->mcs_Table == NULL)
bwp_Dedicated->pdsch_Config->choice.setup->mcs_Table = calloc(1, sizeof(*bwp_Dedicated->pdsch_Config->choice.setup->mcs_Table));
*bwp_Dedicated->pdsch_Config->choice.setup->mcs_Table = NR_PDSCH_Config__mcs_Table_qam256;
}
else
bwp_Dedicated->pdsch_Config->choice.setup->mcs_Table = NULL;
}
Reference in New Issue View Git Blame Copy Permalink