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Merge remote-tracking branch 'origin/preamble-index-logs' into integration_2025_w04 (!3220)

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Improve RA logs

Modify existing LOG entries to include preamble index, timing advance and
estimated distance from the gNB. This makes mapping RA attempts to
physical/simulated UEs easier via sent/received preamble index or physical
distance from the gNB in scenarios with >1 UE.
This commit is contained in:
Jaroslava Fiedlerova
2025-01-27 16:15:10 +01:00
parent c7a90ed237 803c9c349a
commit 7bd248e15d
2 changed files with 15 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
+3 -2
View File
@@ -227,7 +227,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, int frame, uint8_t
LOG_I(PHY,
"PRACH [UE %d] in frame.slot %d.%d, placing PRACH in position %d, Msg1/MsgA-Preamble frequency start %d (k1 %d), "
"preamble_offset %d, first_nonzero_root_idx %d\n",
"preamble_offset %d, first_nonzero_root_idx %d, preambleIndex = %d\n",
Mod_id,
frame,
slot,
@@ -235,7 +235,8 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, int frame, uint8_t
n_ra_prb,
nrUE_config->prach_config.num_prach_fd_occasions_list[fd_occasion].k1,
preamble_offset,
first_nonzero_root_idx);
first_nonzero_root_idx,
prach_pdu->ra_PreambleIndex);
// Ncp and dftlen here is given in terms of T_s wich is 30.72MHz sampling
if (prach_sequence_length == 0) {
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+12 -2
View File
@@ -1538,15 +1538,25 @@ static void nr_generate_Msg2(module_id_t module_idP,
pdsch_pdu_rel15->precodingAndBeamforming.prgs_list[0].pm_idx = 0;
pdsch_pdu_rel15->precodingAndBeamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = ra->beam_id;
// Distance calculation according to SCF222.10.02 RACH.indication (table 3-74) and 38.213 4.2/38.211 4.3.1
// T_c according to 38.211 4.1
float T_c_ns = 0.509;
int numerology = ra->UL_BWP.scs;
float rtt_ns = T_c_ns * 16 * 64 / (1 << numerology) * ra->timing_offset;
float speed_of_light_in_meters_per_second = 299792458.0f;
float distance_in_meters = speed_of_light_in_meters_per_second * rtt_ns / 1000 / 1000 / 1000 / 2;
LOG_A(NR_MAC,
"UE %04x: %d.%d Generating RA-Msg2 DCI, RA RNTI 0x%x, state %d, CoreSetType %d, RAPID %d\n",
"UE %04x: %d.%d Generating RA-Msg2 DCI, RA RNTI 0x%x, state %d, CoreSetType %d, preamble_index(RAPID) %d, "
"timing_offset = %d (estimated distance %.1f [m])\n",
ra->rnti,
frameP,
slotP,
ra->RA_rnti,
ra->ra_state,
pdcch_pdu_rel15->CoreSetType,
ra->preamble_index);
ra->preamble_index,
ra->timing_offset,
distance_in_meters);
// SCF222: PDU index incremented for each PDSCH PDU sent in TX control message. This is used to associate control
// information to data and is reset every slot.