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configuring n_TimingAdvanceOffset from upper layers, if present

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francescomani
2024-09-24 10:39:25 +02:00
parent 900a78fd9b
commit a494580210
6 changed files with 38 additions and 3 deletions
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openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
+10
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@@ -382,9 +382,19 @@ static void configure_ta_command(PHY_VARS_NR_UE *ue, fapi_nr_ta_command_pdu *ta_
ue->ta_frame = ta_command_pdu->ta_frame;
ue->ta_command = ta_command_pdu->ta_command;
}
LOG_D(PHY,
"TA command received in %d.%d Starting UL time alignment procedures. TA update will be applied at frame %d slot %d\n",
ta_command_pdu->ta_frame, ta_command_pdu->ta_slot, ue->ta_frame, ue->ta_slot);
if (ta_command_pdu->ta_offset != -1) {
// ta_offset_samples : ta_offset = samples_per_subframe : (Δf_max x N_f / 1000)
// As described in Section 4.3.1 in 38.211
int ta_offset_samples = (ta_command_pdu->ta_offset * samples_per_subframe) / (4096 * 480);
ue->N_TA_offset = ta_offset_samples;
LOG_D(PHY, "Received N_TA offset %d from upper layers. Corresponds to %d samples.\n",
ta_command_pdu->ta_offset, ta_offset_samples);
}
}
static void nr_ue_scheduled_response_dl(NR_UE_MAC_INST_t *mac,