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fixes for TDL channel models in nr_ulsim

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This commit is contained in:
Raymond Knopp
2020-08-13 09:43:50 +02:00
parent ae4f3320c7
commit 49a14c4f9f
5 changed files with 140 additions and 114 deletions
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openair1/SIMULATION/TOOLS/multipath_channel.c
+9 -2
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@@ -44,7 +44,8 @@ void multipath_channel(channel_desc_t *desc,
double rx_sig_re[2][30720*2],
double rx_sig_im[2][30720*2],
uint32_t length,
uint8_t keep_channel)
uint8_t keep_channel,
int log_channel)
{
int i,ii,j,l;
@@ -150,7 +151,8 @@ void multipath_channel(channel_desc_t *desc,
double *rx_sig_re[2],
double *rx_sig_im[2],
uint32_t length,
uint8_t keep_channel)
uint8_t keep_channel,
int log_channel)
{
int i,ii,j,l;
@@ -196,6 +198,11 @@ void multipath_channel(channel_desc_t *desc,
rx_tmp.x += (tx.x * desc->ch[ii+(j*desc->nb_rx)][l].x) - (tx.y * desc->ch[ii+(j*desc->nb_rx)][l].y);
rx_tmp.y += (tx.y * desc->ch[ii+(j*desc->nb_rx)][l].x) + (tx.x * desc->ch[ii+(j*desc->nb_rx)][l].y);
if (i==0 && log_channel == 1) {
printf("channel[%d][%d][%d] = %f dB (%e,%e)\n",ii,j,l,10*log10(pow(desc->ch[ii+(j*desc->nb_rx)][l].x,2.0)+pow(desc->ch[ii+(j*desc->nb_rx)][l].y,2.0)),
desc->ch[ii+(j*desc->nb_rx)][l].x,
desc->ch[ii+(j*desc->nb_rx)][l].y);
}
} //l
} // j