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prach config common in UE

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This commit is contained in:
Francesco Mani
2020-02-18 14:57:14 +01:00
parent ac28136a78
commit 7bd76fda53
3 changed files with 60 additions and 6 deletions
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openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+2
View File
@@ -36,6 +36,8 @@
uint16_t config_bandwidth(int mu, int nb_rb, int nr_band);
void get_band(uint64_t downlink_frequency, uint16_t *current_band, int32_t *current_offset, lte_frame_type_t *current_type);
uint64_t from_nrarfcn(int nr_bandP, uint8_t scs_index, uint32_t dl_nrarfcn);
uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, uint8_t scs_index, uint32_t bw);
openair2/LAYER2/NR_MAC_UE/config_ue.c
+58 -4
View File
@@ -32,9 +32,7 @@
//#include "mac_defs.h"
#include "NR_MAC_UE/mac_proto.h"
#include "NR_MAC-CellGroupConfig.h"
#include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
#include "SCHED_NR/phy_frame_config_nr.h"
@@ -203,12 +201,20 @@ void config_common_ue(NR_UE_MAC_INST_t *mac,
}
}
lte_frame_type_t frame_type;
uint16_t band;
int32_t offset;
get_band((cfg->carrier_config.dl_frequency)*1000,
&band,
&offset,
&frame_type);
// cell config
cfg->cell_config.phy_cell_id = *scc->physCellId;
cfg->cell_config.frame_duplex_type = 1;
cfg->cell_config.frame_duplex_type = frame_type;
// SSB config
cfg->ssb_config.ss_pbch_power = scc->ss_PBCH_BlockPower;
@@ -270,6 +276,54 @@ void config_common_ue(NR_UE_MAC_INST_t *mac,
LOG_I(PHY,"TDD has been properly configurated\n");
}
// PRACH configuration
uint8_t nb_preambles = 64;
if(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles != NULL)
nb_preambles = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles;
cfg->prach_config.prach_sequence_length = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present-1;
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing)
cfg->prach_config.prach_sub_c_spacing = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing;
else
cfg->prach_config.prach_sub_c_spacing = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
cfg->prach_config.restricted_set_config = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->restrictedSetConfig;
switch (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM) {
case 0 :
cfg->prach_config.num_prach_fd_occasions = 1;
break;
case 1 :
cfg->prach_config.num_prach_fd_occasions = 2;
break;
case 2 :
cfg->prach_config.num_prach_fd_occasions = 4;
break;
case 3 :
cfg->prach_config.num_prach_fd_occasions = 8;
break;
default:
AssertFatal(1==0,"msg1 FDM identifier %ld undefined (0,1,2,3) \n", scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM);
}
cfg->prach_config.num_prach_fd_occasions_list = (fapi_nr_num_prach_fd_occasions_t *) malloc(cfg->prach_config.num_prach_fd_occasions*sizeof(fapi_nr_num_prach_fd_occasions_t));
for (i=0; i<cfg->prach_config.num_prach_fd_occasions; i++) {
cfg->prach_config.num_prach_fd_occasions_list[i].num_prach_fd_occasions = i;
if (cfg->prach_config.prach_sequence_length)
cfg->prach_config.num_prach_fd_occasions_list[i].prach_root_sequence_index = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.choice.l139;
else
cfg->prach_config.num_prach_fd_occasions_list[i].prach_root_sequence_index = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.choice.l839;
cfg->prach_config.num_prach_fd_occasions_list[i].k1 = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FrequencyStart;
cfg->prach_config.num_prach_fd_occasions_list[i].prach_zero_corr_conf = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.zeroCorrelationZoneConfig;
cfg->prach_config.num_prach_fd_occasions_list[i].num_root_sequences = compute_nr_root_seq(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup,
nb_preambles, frame_type);
//cfg->prach_config.num_prach_fd_occasions_list[i].num_unused_root_sequences = ???
}
cfg->prach_config.ssb_per_rach = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present-1;
}
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
-2
View File
@@ -179,8 +179,6 @@ int get_spf(nfapi_nr_config_request_scf_t *cfg);
int to_absslot(nfapi_nr_config_request_scf_t *cfg,int frame,int slot);
void get_band(uint64_t downlink_frequency, uint16_t *current_band, int32_t *current_offset, lte_frame_type_t *current_type);
void nr_get_tbs_dl(nfapi_nr_dl_tti_pdsch_pdu *pdsch_pdu,
int x_overhead);
/** \brief Computes Q based on I_MCS PDSCH and table_idx for downlink. Implements MCS Tables from 38.214. */