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added DTX detection in PUCCH 2 receiver. This is detected by MAC already

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which will drop PUCCH 2 indications that are detected as DTX. For the
moment this uses the same pucch0_dtx_threshold value indicated in L1
section of the configuration file.
This commit is contained in:
Raymond Knopp
2024-10-17 10:08:08 +02:00
parent 65d8d410b5
commit eb9cb2f988
1 changed files with 7 additions and 3 deletions
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openair1/PHY/NR_TRANSPORT/pucch_rx.c
+7 -3
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@@ -1087,6 +1087,7 @@ void nr_decode_pucch2(PHY_VARS_gNB *gNB,
pucch2_lev += signal_energy_nodc(rp[aa][symb], nb_re_pucch); pucch2_lev += signal_energy_nodc(rp[aa][symb], nb_re_pucch);
} }
} }
int decoderState=2;
pucch2_lev /= Prx * Prx * pucch_pdu->nr_of_symbols; pucch2_lev /= Prx * Prx * pucch_pdu->nr_of_symbols;
int pucch2_levdB = dB_fixed(pucch2_lev); int pucch2_levdB = dB_fixed(pucch2_lev);
int scaling = 0; int scaling = 0;
@@ -1099,8 +1100,10 @@ void nr_decode_pucch2(PHY_VARS_gNB *gNB,
else if (pucch2_levdB > 54) else if (pucch2_levdB > 54)
scaling = 1; scaling = 1;
if (pucch2_levdB < gNB->measurements.n0_subband_power_avg_dB + (gNB->pucch0_thres/10))
decoderState=1;
LOG_D(PHY, LOG_D(PHY,
"%d.%d Decoding pucch2 for %d symbols, %d PRB, nb_harq %d, nb_sr %d, nb_csi %d/%d, pucch2_lev %d dB (scaling %d)\n", "%d.%d Decoding pucch2 for %d symbols, %d PRB, nb_harq %d, nb_sr %d, nb_csi %d/%d, pucch2_lev %d dB (scaling %d), n0+thres %d decoderState %d\n",
frame, frame,
slot, slot,
pucch_pdu->nr_of_symbols, pucch_pdu->nr_of_symbols,
@@ -1110,7 +1113,9 @@ void nr_decode_pucch2(PHY_VARS_gNB *gNB,
pucch_pdu->bit_len_csi_part1, pucch_pdu->bit_len_csi_part1,
pucch_pdu->bit_len_csi_part2, pucch_pdu->bit_len_csi_part2,
pucch2_levdB, pucch2_levdB,
scaling); scaling,
gNB->measurements.n0_subband_power_avg_dB+(gNB->pucch0_thres/10),
decoderState);
int nc_group_size=1; // 2 PRB int nc_group_size=1; // 2 PRB
int ngroup = prb_size_ext/nc_group_size/2; int ngroup = prb_size_ext/nc_group_size/2;
@@ -1365,7 +1370,6 @@ void nr_decode_pucch2(PHY_VARS_gNB *gNB,
uint64_t decodedPayload[2]; uint64_t decodedPayload[2];
uint8_t corr_dB; uint8_t corr_dB;
int decoderState=2;
if (nb_bit < 12) { // short blocklength case if (nb_bit < 12) { // short blocklength case
simde__m256i *rp_re[Prx2][2]; simde__m256i *rp_re[Prx2][2];
simde__m256i *rp2_re[Prx2][2]; simde__m256i *rp2_re[Prx2][2];