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move radio link failure detection on pbch at MAC

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This commit is contained in:
francescomani
2023-04-02 09:48:09 +02:00
parent 1f97969675
commit 5c333cca65
15 changed files with 124 additions and 160 deletions
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openair2/LAYER2/NR_MAC_UE/mac_defs.h
+3 -2
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@@ -376,8 +376,9 @@ typedef struct {
uint32_t ssb_index;
/// SSB RSRP in dBm
short ssb_rsrp_dBm;
int consecutive_bch_failures;
} NR_PHY_meas_t;
} NR_SSB_meas_t;
/*!\brief Top level UE MAC structure */
typedef struct {
@@ -465,7 +466,7 @@ typedef struct {
uint16_t nr_band;
uint8_t ssb_subcarrier_offset;
NR_PHY_meas_t phy_measurements;
NR_SSB_meas_t ssb_measurements;
dci_pdu_rel15_t def_dci_pdu_rel15[8];
openair2/LAYER2/NR_MAC_UE/main_ue_nr.c
+1
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@@ -55,6 +55,7 @@ NR_UE_MAC_INST_t * nr_l2_init_ue(NR_UE_RRC_INST_t* rrc_inst) {
nr_ue_mac_inst->sib1_decoded = false;
nr_ue_mac_inst->phy_config_request_sent = false;
nr_ue_mac_inst->state = UE_NOT_SYNC;
memset(&nr_ue_mac_inst->ssb_measurements, 0, sizeof(nr_ue_mac_inst->ssb_measurements));
for (int j=0;j<NB_NR_UE_MAC_INST;j++) {
nr_ue_init_mac(j);
openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
+2 -2
View File
@@ -124,7 +124,7 @@ int16_t get_prach_tx_power(module_id_t mod_id) {
NR_UE_MAC_INST_t *mac = get_mac_inst(mod_id);
RA_config_t *ra = &mac->ra;
int16_t pathloss = compute_nr_SSB_PL(mac, mac->phy_measurements.ssb_rsrp_dBm);
int16_t pathloss = compute_nr_SSB_PL(mac, mac->ssb_measurements.ssb_rsrp_dBm);
int16_t ra_preamble_rx_power = (int16_t)(ra->prach_resources.ra_PREAMBLE_RECEIVED_TARGET_POWER - pathloss + 30);
return min(nr_get_Pcmax(mod_id), ra_preamble_rx_power);
@@ -674,7 +674,7 @@ void nr_get_prach_resources(module_id_t mod_id,
} else {
/* TODO: This controls the tx_power of UE and the ramping procedure of RA of UE. Later we
can abstract this, perhaps in the proxy. But for the time being lets leave it as below. */
int16_t dl_pathloss = !get_softmodem_params()->emulate_l1 ? compute_nr_SSB_PL(mac, mac->phy_measurements.ssb_rsrp_dBm) : 0;
int16_t dl_pathloss = !get_softmodem_params()->emulate_l1 ? compute_nr_SSB_PL(mac, mac->ssb_measurements.ssb_rsrp_dBm) : 0;
ssb_rach_config(ra, prach_resources, nr_rach_ConfigCommon);
ra_preambles_config(prach_resources, mac, dl_pathloss);
LOG_D(MAC, "[RAPROC] - Selected RA preamble index %d for contention-based random access procedure... \n", ra->ra_PreambleIndex);
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+4 -2
View File
@@ -238,6 +238,8 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
AssertFatal(mac->mib != NULL, "nr_ue_decode_mib() mac->mib == NULL\n");
mac->ssb_measurements.consecutive_bch_failures = 0; // resetting decoding failures
uint16_t frame = (mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused);
uint16_t frame_number_4lsb = 0;
@@ -1564,7 +1566,7 @@ int16_t get_pucch_tx_power_ue(NR_UE_MAC_INST_t *mac,
return (PUCCH_POWER_DEFAULT);
}
int16_t pathloss = compute_nr_SSB_PL(mac, mac->phy_measurements.ssb_rsrp_dBm);
int16_t pathloss = compute_nr_SSB_PL(mac, mac->ssb_measurements.ssb_rsrp_dBm);
int M_pucch_component = (10 * log10((double)(pow(2,scs) * nb_of_prbs)));
int16_t pucch_power = P_O_PUCCH + M_pucch_component + pathloss + delta_F_PUCCH + DELTA_TF + G_b_f_c;
@@ -2179,7 +2181,7 @@ uint8_t get_ssb_rsrp_payload(NR_UE_MAC_INST_t *mac,
}
}
AssertFatal(*SSB_resource.list.array[ssb_rsrp[0][0]] == mac->mib_ssb, "Couldn't find corresponding SSB in csi_SSB_ResourceList\n");
ssb_rsrp[1][0] = mac->phy_measurements.ssb_rsrp_dBm;
ssb_rsrp[1][0] = mac->ssb_measurements.ssb_rsrp_dBm;
uint8_t ssbi;
openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
+57 -46
View File
@@ -304,25 +304,24 @@ static void fill_dl_info_with_pdcch(fapi_nr_dci_indication_t *dci, nfapi_nr_dl_d
static void fill_mib_in_rx_ind(nfapi_nr_dl_tti_request_pdu_t *pdu_list, fapi_nr_rx_indication_t *rx_ind, int pdu_idx, int pdu_type)
{
AssertFatal(pdu_idx < sizeof(rx_ind->rx_indication_body) / sizeof(rx_ind->rx_indication_body[0]),
"pdu_index (%d) is greater than rx_indication_body size!\n", pdu_idx);
AssertFatal(pdu_idx == rx_ind->number_pdus, "Invalid pdu_idx %d!\n", pdu_idx);
AssertFatal(pdu_idx < sizeof(rx_ind->rx_indication_body) / sizeof(rx_ind->rx_indication_body[0]),
"pdu_index (%d) is greater than rx_indication_body size!\n", pdu_idx);
AssertFatal(pdu_idx == rx_ind->number_pdus, "Invalid pdu_idx %d!\n", pdu_idx);
LOG_T(NR_MAC, "Recevied an SSB and are filling rx_ind with the MIB!\n");
nfapi_nr_dl_tti_ssb_pdu_rel15_t *ssb_pdu = &pdu_list->ssb_pdu.ssb_pdu_rel15;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.cell_id = ssb_pdu->PhysCellId;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu = MALLOC(3 * sizeof(*rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu));
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu[0] = (ssb_pdu->bchPayload) & 0xff;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu[1] = (ssb_pdu->bchPayload >> 8) & 0xff;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu[2] = (ssb_pdu->bchPayload >> 16) & 0xff;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.rsrp_dBm = ssb_pdu->ssbRsrp;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.ssb_index = ssb_pdu->SsbBlockIndex;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.ssb_length = pdu_list->PDUSize;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.ssb_start_subcarrier = ssb_pdu->SsbSubcarrierOffset;
rx_ind->rx_indication_body[pdu_idx].pdu_type = pdu_type;
rx_ind->number_pdus = pdu_idx + 1;
LOG_T(NR_MAC, "Recevied an SSB and are filling rx_ind with the MIB!\n");
nfapi_nr_dl_tti_ssb_pdu_rel15_t *ssb_pdu = &pdu_list->ssb_pdu.ssb_pdu_rel15;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.cell_id = ssb_pdu->PhysCellId;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu[0] = (ssb_pdu->bchPayload) & 0xff;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu[1] = (ssb_pdu->bchPayload >> 8) & 0xff;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.pdu[2] = (ssb_pdu->bchPayload >> 16) & 0xff;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.rsrp_dBm = ssb_pdu->ssbRsrp;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.ssb_index = ssb_pdu->SsbBlockIndex;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.ssb_length = pdu_list->PDUSize;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.ssb_start_subcarrier = ssb_pdu->SsbSubcarrierOffset;
rx_ind->rx_indication_body[pdu_idx].ssb_pdu.decoded_pdu = true;
rx_ind->rx_indication_body[pdu_idx].pdu_type = pdu_type;
rx_ind->number_pdus = pdu_idx + 1;
}
static bool is_my_dci(NR_UE_MAC_INST_t *mac, nfapi_nr_dl_dci_pdu_t *received_pdu)
@@ -1045,18 +1044,26 @@ int handle_bcch_bch(module_id_t module_id, int cc_id,
uint16_t ssb_start_subcarrier, uint16_t cell_id){
return nr_ue_decode_mib(module_id,
cc_id,
gNB_index,
phy_data,
additional_bits,
ssb_length, // Lssb = 64 is not support
ssb_index,
pduP,
ssb_start_subcarrier,
cell_id);
cc_id,
gNB_index,
phy_data,
additional_bits,
ssb_length, // Lssb = 64 is not support
ssb_index,
pduP,
ssb_start_subcarrier,
cell_id);
}
void handle_bch_failure(NR_UE_MAC_INST_t *mac)
{
mac->ssb_measurements.consecutive_bch_failures++;
//TODO handle this properly by scheduling re-synchronization
AssertFatal(mac->ssb_measurements.consecutive_bch_failures < 100,
"Radio link failure caused by 100 consecutive PBCH detection failures.\n");
}
// L2 Abstraction Layer
int handle_bcch_dlsch(module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t ack_nack, uint8_t *pduP, uint32_t pdu_len){
return nr_ue_decode_BCCH_DL_SCH(module_id, cc_id, gNB_index, ack_nack, pduP, pdu_len);
@@ -1069,10 +1076,10 @@ int handle_dci(module_id_t module_id, int cc_id, unsigned int gNB_index, frame_t
}
void handle_ssb_meas(NR_UE_MAC_INST_t *mac, uint8_t ssb_index, int16_t rsrp_dbm)
void handle_ssb_meas(NR_UE_MAC_INST_t *mac, uint8_t ssb_index, int16_t rsrp_dbm)
{
mac->phy_measurements.ssb_index = ssb_index;
mac->phy_measurements.ssb_rsrp_dBm = rsrp_dbm;
mac->ssb_measurements.ssb_index = ssb_index;
mac->ssb_measurements.ssb_rsrp_dBm = rsrp_dbm;
}
// L2 Abstraction Layer
@@ -1180,31 +1187,35 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info, NR_UL_TIME_ALIGNMENT_
for (int i=0; i<dl_info->rx_ind->number_pdus; ++i) {
fapi_nr_rx_indication_body_t rx_indication_body = dl_info->rx_ind->rx_indication_body[i];
LOG_D(NR_MAC, "In %s sending DL indication to MAC. 1 PDU type %d of %d total number of PDUs \n",
__FUNCTION__,
dl_info->rx_ind->rx_indication_body[i].pdu_type,
rx_indication_body.pdu_type,
dl_info->rx_ind->number_pdus);
switch(dl_info->rx_ind->rx_indication_body[i].pdu_type){
switch(rx_indication_body.pdu_type){
case FAPI_NR_RX_PDU_TYPE_SSB:
handle_ssb_meas(mac,
(dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.ssb_index,
(dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.rsrp_dBm);
ret_mask |= (handle_bcch_bch(dl_info->module_id, dl_info->cc_id, dl_info->gNB_index, dl_info->phy_data,
(dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.pdu,
(dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.additional_bits,
(dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.ssb_index,
(dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.ssb_length,
(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;
free((dl_info->rx_ind->rx_indication_body+i)->ssb_pdu.pdu);
if(rx_indication_body.ssb_pdu.decoded_pdu) {
handle_ssb_meas(mac,
rx_indication_body.ssb_pdu.ssb_index,
rx_indication_body.ssb_pdu.rsrp_dBm);
ret_mask |= (handle_bcch_bch(dl_info->module_id, dl_info->cc_id, dl_info->gNB_index, dl_info->phy_data,
rx_indication_body.ssb_pdu.pdu,
rx_indication_body.ssb_pdu.additional_bits,
rx_indication_body.ssb_pdu.ssb_index,
rx_indication_body.ssb_pdu.ssb_length,
rx_indication_body.ssb_pdu.ssb_start_subcarrier,
rx_indication_body.ssb_pdu.cell_id)) << FAPI_NR_RX_PDU_TYPE_SSB;
}
else
handle_bch_failure(mac);
break;
case FAPI_NR_RX_PDU_TYPE_SIB:
ret_mask |= (handle_bcch_dlsch(dl_info->module_id,
dl_info->cc_id, dl_info->gNB_index,
(dl_info->rx_ind->rx_indication_body+i)->pdsch_pdu.ack_nack,
(dl_info->rx_ind->rx_indication_body+i)->pdsch_pdu.pdu,
(dl_info->rx_ind->rx_indication_body+i)->pdsch_pdu.pdu_length)) << FAPI_NR_RX_PDU_TYPE_SIB;
rx_indication_body.pdsch_pdu.ack_nack,
rx_indication_body.pdsch_pdu.pdu,
rx_indication_body.pdsch_pdu.pdu_length)) << FAPI_NR_RX_PDU_TYPE_SIB;
break;
case FAPI_NR_RX_PDU_TYPE_DLSCH:
ret_mask |= (handle_dlsch(dl_info, ul_time_alignment, i)) << FAPI_NR_RX_PDU_TYPE_DLSCH;
@@ -1216,7 +1227,7 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info, NR_UL_TIME_ALIGNMENT_
ret_mask |= (handle_csirs_measurements(dl_info->module_id,
dl_info->frame,
dl_info->slot,
&(dl_info->rx_ind->rx_indication_body+i)->csirs_measurements)) << FAPI_NR_CSIRS_IND;
&rx_indication_body.csirs_measurements)) << FAPI_NR_CSIRS_IND;
break;
default:
break;