Commit 7f22f1e5 authored by Arash Sahbafard's avatar Arash Sahbafard Committed by laurent

Read offset (* nbTx) antennas in past

parent b68057ef
......@@ -68,13 +68,11 @@ void rxAddInput( const c16_t *input_sig,
// Energy in one sample to calibrate input noise
// the normalized OAI value seems to be 256 as average amplitude (numerical amplification = 1)
const double noise_per_sample = pow(10,channelDesc->noise_power_dB/10.0) * 256;
// Fixme: we don't fill the offset length samples at begining ?
// anyway, in today code, channel_offset=0
const int dd = abs(channelDesc->channel_offset);
const int nbTx=channelDesc->nb_tx;
for (int i=0; i<((int)nbSamples-dd); i++) {
c16_t *out_ptr=after_channel_sig+dd+i;
for (int i=0; i<nbSamples; i++) {
struct complex16 *out_ptr=after_channel_sig+i;
struct complexd rx_tmp= {0};
for (int txAnt=0; txAnt < nbTx; txAnt++) {
......@@ -88,7 +86,9 @@ void rxAddInput( const c16_t *input_sig,
// but it is not very usefull
// it would be better to split out each antenna in a separate flow
// that will allow to mix ru antennas freely
c16_t tx16=input_sig[((TS+i-l)*nbTx+txAnt)%CirSize];
// (X + cirSize) % cirSize to ensure that index is positive
const int idx = ((TS + i - l - dd) * nbTx + txAnt + CirSize) % CirSize;
const struct complex16 tx16 = input_sig[idx];
rx_tmp.r += tx16.r * channelModel[l].r - tx16.i * channelModel[l].i;
rx_tmp.i += tx16.i * channelModel[l].r + tx16.r * channelModel[l].i;
} //l
......
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