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ssb start subcarrier in ssb indication for reception of sib1

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This commit is contained in:
francescomani
2021-03-25 10:56:19 +01:00
parent 81ebec80f5
commit a788c696d8
9 changed files with 41 additions and 31 deletions
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nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_constants.h
+1 -1
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@@ -14,7 +14,7 @@
/// RX_IND /// RX_IND
#define FAPI_NR_RX_PDU_TYPE_MIB 0x01 #define FAPI_NR_RX_PDU_TYPE_SSB 0x01
#define FAPI_NR_RX_PDU_TYPE_SIB 0x02 #define FAPI_NR_RX_PDU_TYPE_SIB 0x02
#define FAPI_NR_RX_PDU_TYPE_DLSCH 0x03 #define FAPI_NR_RX_PDU_TYPE_DLSCH 0x03
#define FAPI_NR_DCI_IND 0x04 #define FAPI_NR_DCI_IND 0x04
nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h
+3 -3
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@@ -111,8 +111,8 @@ typedef struct {
uint8_t ssb_index; uint8_t ssb_index;
uint8_t ssb_length; uint8_t ssb_length;
uint16_t cell_id; uint16_t cell_id;
uint16_t ssb_start_subcarrier;
} fapi_nr_mib_pdu_t; } fapi_nr_ssb_pdu_t;
typedef struct { typedef struct {
uint32_t pdu_length; uint32_t pdu_length;
@@ -124,7 +124,7 @@ typedef struct {
uint8_t pdu_type; uint8_t pdu_type;
union { union {
fapi_nr_pdsch_pdu_t pdsch_pdu; fapi_nr_pdsch_pdu_t pdsch_pdu;
fapi_nr_mib_pdu_t mib_pdu; fapi_nr_ssb_pdu_t ssb_pdu;
fapi_nr_sib_pdu_t sib_pdu; fapi_nr_sib_pdu_t sib_pdu;
}; };
} fapi_nr_rx_indication_body_t; } fapi_nr_rx_indication_body_t;
openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
+1 -1
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@@ -614,7 +614,7 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
uint16_t number_pdus = 1; uint16_t number_pdus = 1;
nr_fill_dl_indication(&dl_indication, NULL, &rx_ind, proc, ue, gNB_id); nr_fill_dl_indication(&dl_indication, NULL, &rx_ind, proc, ue, gNB_id);
nr_fill_rx_indication(&rx_ind, FAPI_NR_RX_PDU_TYPE_MIB, gNB_id, ue, NULL, number_pdus); nr_fill_rx_indication(&rx_ind, FAPI_NR_RX_PDU_TYPE_SSB, gNB_id, ue, NULL, number_pdus);
if (ue->if_inst && ue->if_inst->dl_indication) if (ue->if_inst && ue->if_inst->dl_indication)
ue->if_inst->dl_indication(&dl_indication, NULL); ue->if_inst->dl_indication(&dl_indication, NULL);
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+7 -6
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@@ -139,12 +139,13 @@ void nr_fill_rx_indication(fapi_nr_rx_indication_t *rx_ind,
rx_ind->rx_indication_body[n_pdus - 1].pdsch_pdu.pdu = dlsch0->harq_processes[harq_pid]->b; rx_ind->rx_indication_body[n_pdus - 1].pdsch_pdu.pdu = dlsch0->harq_processes[harq_pid]->b;
rx_ind->rx_indication_body[n_pdus - 1].pdsch_pdu.pdu_length = dlsch0->harq_processes[harq_pid]->TBS / 8; rx_ind->rx_indication_body[n_pdus - 1].pdsch_pdu.pdu_length = dlsch0->harq_processes[harq_pid]->TBS / 8;
break; break;
case FAPI_NR_RX_PDU_TYPE_MIB: case FAPI_NR_RX_PDU_TYPE_SSB:
rx_ind->rx_indication_body[n_pdus - 1].mib_pdu.pdu = ue->pbch_vars[gNB_id]->decoded_output; rx_ind->rx_indication_body[n_pdus - 1].ssb_pdu.pdu = ue->pbch_vars[gNB_id]->decoded_output;
rx_ind->rx_indication_body[n_pdus - 1].mib_pdu.additional_bits = ue->pbch_vars[gNB_id]->xtra_byte; rx_ind->rx_indication_body[n_pdus - 1].ssb_pdu.additional_bits = ue->pbch_vars[gNB_id]->xtra_byte;
rx_ind->rx_indication_body[n_pdus - 1].mib_pdu.ssb_index = frame_parms->ssb_index; rx_ind->rx_indication_body[n_pdus - 1].ssb_pdu.ssb_index = frame_parms->ssb_index;
rx_ind->rx_indication_body[n_pdus - 1].mib_pdu.ssb_length = frame_parms->Lmax; rx_ind->rx_indication_body[n_pdus - 1].ssb_pdu.ssb_length = frame_parms->Lmax;
rx_ind->rx_indication_body[n_pdus - 1].mib_pdu.cell_id = frame_parms->Nid_cell; rx_ind->rx_indication_body[n_pdus - 1].ssb_pdu.cell_id = frame_parms->Nid_cell;
rx_ind->rx_indication_body[n_pdus - 1].ssb_pdu.ssb_start_subcarrier = frame_parms->ssb_start_subcarrier;
break; break;
default: default:
break; break;
openair2/LAYER2/NR_MAC_UE/mac_proto.h
+1
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@@ -54,6 +54,7 @@ int8_t nr_ue_decode_mib(
uint32_t ssb_length, uint32_t ssb_length,
uint32_t ssb_index, uint32_t ssb_index,
void *pduP, void *pduP,
uint16_t ssb_start_subcarrier,
uint16_t cell_id ); uint16_t cell_id );
/**\brief decode SIB1 and other SIs pdus in NR_UE, from if_module dl_ind /**\brief decode SIB1 and other SIs pdus in NR_UE, from if_module dl_ind
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+3 -8
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@@ -99,6 +99,7 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
uint32_t ssb_length, uint32_t ssb_length,
uint32_t ssb_index, uint32_t ssb_index,
void *pduP, void *pduP,
uint16_t ssb_start_subcarrier,
uint16_t cell_id) uint16_t cell_id)
{ {
LOG_I(MAC,"[L2][MAC] decode mib\n"); LOG_I(MAC,"[L2][MAC] decode mib\n");
@@ -149,14 +150,8 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
// TODO these values shouldn't be taken from SCC in SA // TODO these values shouldn't be taken from SCC in SA
uint8_t scs_ssb = *scc->ssbSubcarrierSpacing; uint8_t scs_ssb = *scc->ssbSubcarrierSpacing;
uint32_t band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]; uint32_t band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
int scs_scaling = 1<<scs_ssb;
if (scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA < 600000)
scs_scaling = scs_scaling*3;
if (scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA > 2016666)
scs_scaling = scs_scaling>>2;
uint32_t absolute_diff = (*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB - scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA);
uint16_t ssb_start_symbol = get_ssb_start_symbol(band,scs_ssb,ssb_index); uint16_t ssb_start_symbol = get_ssb_start_symbol(band,scs_ssb,ssb_index);
uint16_t ssb_offset_point_a = (ssb_start_subcarrier - ssb_subcarrier_offset)/12;
get_type0_PDCCH_CSS_config_parameters(&mac->type0_PDCCH_CSS_config, get_type0_PDCCH_CSS_config_parameters(&mac->type0_PDCCH_CSS_config,
frame, frame,
@@ -167,7 +162,7 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
scs_ssb, scs_ssb,
frequency_range, frequency_range,
ssb_index, ssb_index,
absolute_diff/(12*scs_scaling)-10); ssb_offset_point_a);
mac->type0_pdcch_ss_mux_pattern = mac->type0_PDCCH_CSS_config.type0_pdcch_ss_mux_pattern; mac->type0_pdcch_ss_mux_pattern = mac->type0_PDCCH_CSS_config.type0_pdcch_ss_mux_pattern;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+1 -2
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@@ -528,7 +528,6 @@ void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP) { void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP) {
LOG_D(MAC,"Schedule_nr_sib1: frameP = %i, slotP = %i\n", frameP, slotP);
// TODO: Get these values from RRC // TODO: Get these values from RRC
const int CC_id = 0; const int CC_id = 0;
@@ -565,7 +564,7 @@ void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
(type0_PDCCH_CSS_config->num_rbs > 0) && (type0_PDCCH_CSS_config->num_rbs > 0) &&
(type0_PDCCH_CSS_config->active == true)) { (type0_PDCCH_CSS_config->active == true)) {
LOG_D(MAC,"> SIB1 transmission\n"); LOG_D(MAC,"Schedule_nr_sib1: frameP = %i, slotP = %i\n", frameP, slotP);
// Get SIB1 // Get SIB1
uint8_t sib1_payload[NR_MAX_SIB_LENGTH/8]; uint8_t sib1_payload[NR_MAX_SIB_LENGTH/8];
openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
+13 -7
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@@ -47,7 +47,11 @@ const char *dl_indication_type[] = {"MIB", "SIB", "DLSCH", "DCI", "RAR"};
static nr_ue_if_module_t *nr_ue_if_module_inst[MAX_IF_MODULES]; static nr_ue_if_module_t *nr_ue_if_module_inst[MAX_IF_MODULES];
// L2 Abstraction Layer // L2 Abstraction Layer
int handle_bcch_bch(module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t *pduP, unsigned int additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id){ int handle_bcch_bch(module_id_t module_id, int cc_id,
unsigned int gNB_index, uint8_t *pduP,
unsigned int additional_bits,
uint32_t ssb_index, uint32_t ssb_length,
uint16_t ssb_start_subcarrier, uint16_t cell_id){
return nr_ue_decode_mib(module_id, return nr_ue_decode_mib(module_id,
cc_id, cc_id,
@@ -56,6 +60,7 @@ int handle_bcch_bch(module_id_t module_id, int cc_id, unsigned int gNB_index, ui
ssb_length, // Lssb = 64 is not support ssb_length, // Lssb = 64 is not support
ssb_index, ssb_index,
pduP, pduP,
ssb_start_subcarrier,
cell_id); cell_id);
} }
@@ -155,14 +160,15 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info, NR_UL_TIME_ALIGNMENT_
switch(dl_info->rx_ind->rx_indication_body[i].pdu_type){ switch(dl_info->rx_ind->rx_indication_body[i].pdu_type){
case FAPI_NR_RX_PDU_TYPE_MIB: case FAPI_NR_RX_PDU_TYPE_SSB:
ret_mask |= (handle_bcch_bch(dl_info->module_id, dl_info->cc_id, dl_info->gNB_index, ret_mask |= (handle_bcch_bch(dl_info->module_id, dl_info->cc_id, dl_info->gNB_index,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.pdu, (dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.pdu,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.additional_bits, (dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.additional_bits,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.ssb_index, (dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.ssb_index,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.ssb_length, (dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.ssb_length,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.cell_id)) << FAPI_NR_RX_PDU_TYPE_MIB; (dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.ssb_start_subcarrier,
(dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.cell_id)) << FAPI_NR_RX_PDU_TYPE_SSB;
break; break;
openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h
+9 -1
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@@ -221,7 +221,15 @@ int nr_ue_dcireq(nr_dcireq_t *dcireq);
\param ssb_index SSB index within 0 - (L_ssb-1) corresponding to 38.331 ch.13 parameter i \param ssb_index SSB index within 0 - (L_ssb-1) corresponding to 38.331 ch.13 parameter i
\param ssb_length corresponding to L1 parameter L_ssb \param ssb_length corresponding to L1 parameter L_ssb
\param cell_id cell id */ \param cell_id cell id */
int handle_bcch_bch(module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t *pduP, unsigned int additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id); int handle_bcch_bch(module_id_t module_id,
int cc_id,
unsigned int gNB_index,
uint8_t *pduP,
unsigned int additional_bits,
uint32_t ssb_index,
uint32_t ssb_length,
uint16_t ssb_start_subcarrier,
uint16_t cell_id);
// TODO check // TODO check
/**\brief handle BCCH-DL-SCH message from dl_indication /**\brief handle BCCH-DL-SCH message from dl_indication