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handling beams in PHY RX channels

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This commit is contained in:
francescomani
2024-10-11 08:02:06 +02:00
parent 014338105e
commit abc5069a55
19 changed files with 256 additions and 190 deletions
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executables/nr-gnb.c
+17 -18
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@@ -128,7 +128,7 @@ static void tx_func(processingData_L1tx_t *info)
// At this point, MAC scheduler just ran, including scheduling
// PRACH/PUCCH/PUSCH, so trigger RX chain processing
LOG_D(NR_PHY, "%s() trigger RX for %d.%d\n", __func__, frame_rx, slot_rx);
LOG_D(NR_PHY, "Trigger RX for %d.%d\n", frame_rx, slot_rx);
notifiedFIFO_elt_t *res = newNotifiedFIFO_elt(sizeof(processingData_L1_t), 0, &gNB->resp_L1, NULL);
processingData_L1_t *syncMsg = NotifiedFifoData(res);
syncMsg->gNB = gNB;
@@ -229,15 +229,17 @@ static void rx_func(processingData_L1_t *info)
if (gNB->phase_comp) {
//apply the rx signal rotation here
int soffset = (slot_rx & 3) * gNB->frame_parms.symbols_per_slot * gNB->frame_parms.ofdm_symbol_size;
for (int aa = 0; aa < gNB->frame_parms.nb_antennas_rx; aa++) {
apply_nr_rotation_RX(&gNB->frame_parms,
gNB->common_vars.rxdataF[aa],
gNB->frame_parms.symbol_rotation[1],
slot_rx,
gNB->frame_parms.N_RB_UL,
soffset,
0,
gNB->frame_parms.Ncp == EXTENDED ? 12 : 14);
for (int bb = 0; bb < gNB->common_vars.num_beams_period; bb++) {
for (int aa = 0; aa < gNB->frame_parms.nb_antennas_rx; aa++) {
apply_nr_rotation_RX(&gNB->frame_parms,
gNB->common_vars.rxdataF[bb][aa],
gNB->frame_parms.symbol_rotation[1],
slot_rx,
gNB->frame_parms.N_RB_UL,
soffset,
0,
gNB->frame_parms.Ncp == EXTENDED ? 12 : 14);
}
}
}
phy_procedures_gNB_uespec_RX(gNB, frame_rx, slot_rx);
@@ -417,17 +419,14 @@ void init_eNB_afterRU(void) {
LOG_I(PHY,"gNB->num_RU:%d\n", gNB->num_RU);
for (ru_id=0,aa=0; ru_id<gNB->num_RU; ru_id++) {
AssertFatal(gNB->RU_list[ru_id]->common.rxdataF!=NULL,
"RU %d : common.rxdataF is NULL\n",
gNB->RU_list[ru_id]->idx);
AssertFatal(gNB->RU_list[ru_id]->prach_rxsigF!=NULL,
"RU %d : prach_rxsigF is NULL\n",
gNB->RU_list[ru_id]->idx);
AssertFatal(gNB->RU_list[ru_id]->common.rxdataF != NULL, "RU %d : common.rxdataF is NULL\n", gNB->RU_list[ru_id]->idx);
AssertFatal(gNB->RU_list[ru_id]->prach_rxsigF != NULL, "RU %d : prach_rxsigF is NULL\n", gNB->RU_list[ru_id]->idx);
for (i=0; i<gNB->RU_list[ru_id]->nb_rx; aa++,i++) {
LOG_I(PHY,"Attaching RU %d antenna %d to gNB antenna %d\n",gNB->RU_list[ru_id]->idx,i,aa);
gNB->prach_vars.rxsigF[aa] = gNB->RU_list[ru_id]->prach_rxsigF[0][i];
gNB->common_vars.rxdataF[aa] = (c16_t *)gNB->RU_list[ru_id]->common.rxdataF[i];
gNB->prach_vars.rxsigF[aa] = gNB->RU_list[ru_id]->prach_rxsigF[0][i];
// TODO hardcoded beam to 0, still need to understand how to handle this properly
gNB->common_vars.rxdataF[0][aa] = (c16_t *)gNB->RU_list[ru_id]->common.rxdataF[i];
}
}