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Added automatic scaling to PUCCH2 receiver

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Scaling based on incoming signal level to help with polar case.
Can subsequently add PUCCH2 CQI measurement based on this.
This commit is contained in:
Raymond Knopp
2024-08-01 14:03:48 +02:00
committed by Robert Schmidt
parent e8a083767a
commit 70751e04d8
2 changed files with 62 additions and 31 deletions
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openair1/SIMULATION/NR_PHY/pucchsim.c
+5 -5
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@@ -539,7 +539,7 @@ int main(int argc, char **argv)
}
pucch_GroupHopping_t PUCCH_GroupHopping = pucch_tx_pdu.group_hop_flag + (pucch_tx_pdu.sequence_hop_flag<<1);
double tx_level_fp = 100.0;
for(SNR=snr0;SNR<=snr1;SNR+=1){
ack_nack_errors=0;
sr_errors=0;
@@ -578,8 +578,8 @@ int main(int argc, char **argv)
for (int aarx=0;aarx<n_rx;aarx++) {
double nr = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
double ni = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
rxdataF[aarx][i].r = (int16_t)(100.0*(nr)/sqrt((double)txlev));
rxdataF[aarx][i].i = (int16_t)(100.0*(ni)/sqrt((double)txlev));
rxdataF[aarx][i].r = (int16_t)(tx_level_fp * (nr) / sqrt((double)txlev));
rxdataF[aarx][i].i = (int16_t)(tx_level_fp * (ni) / sqrt((double)txlev));
}
}
}
@@ -607,8 +607,8 @@ int main(int argc, char **argv)
rxr = rxr_tmp;
double nr = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
double ni = sqrt(sigma2/2)*gaussdouble(0.0,1.0);
rxdataF[aarx][i].r = (int16_t)(100.0*(rxr + nr)/sqrt((double)txlev));
rxdataF[aarx][i].i=(int16_t)(100.0*(rxi + ni)/sqrt((double)txlev));
rxdataF[aarx][i].r = (int16_t)(tx_level_fp * (rxr + nr) / sqrt((double)txlev));
rxdataF[aarx][i].i = (int16_t)(tx_level_fp * (rxi + ni) / sqrt((double)txlev));
if (n_trials==1 && fabs(txr) > 0) printf("symb %d, re %d , aarx %d : txr %f, txi %f, chr %f, chi %f, nr %f, ni %f, rxr %f, rxi %f => %d,%d\n",
symb, re, aarx, txr,txi,