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Initialize TDL Model buffers with 0

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This commit is contained in:
Robert Schmidt
2023-07-03 14:07:38 +02:00
parent 03fe3b508e
commit 4819b6b6ae
1 changed files with 9 additions and 9 deletions
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openair1/SIMULATION/TOOLS/random_channel.c
+9 -9
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@@ -367,7 +367,7 @@ void tdlModel(int tdl_paths, double *tdl_delays, double *tdl_amps_dB, double DS
2/(M_PI*M_PI)*log(4*M_PI*chan_desc->sampling_rate*chan_desc->Td));
printf("TDL : %f Ms/s, nb_taps %d, Td %e, channel_length %d\n",chan_desc->sampling_rate,tdl_paths,chan_desc->Td,chan_desc->channel_length);
double sum_amps = 0;
chan_desc->amps = (double *) malloc(chan_desc->nb_taps*sizeof(double));
chan_desc->amps = calloc(chan_desc->nb_taps, sizeof(double));
for (int i = 0; i<chan_desc->nb_taps; i++) {
chan_desc->amps[i] = pow(10,.1*tdl_amps_dB[i]);
@@ -382,19 +382,19 @@ void tdlModel(int tdl_paths, double *tdl_delays, double *tdl_amps_dB, double DS
chan_desc->delays = tdl_delays;
chan_desc->aoa = 0;
chan_desc->random_aoa = 0;
chan_desc->ch = (struct complexd **) malloc(nb_tx*nb_rx*sizeof(struct complexd *));
chan_desc->chF = (struct complexd **) malloc(nb_tx*nb_rx*sizeof(struct complexd *));
chan_desc->a = (struct complexd **) malloc(chan_desc->nb_taps*sizeof(struct complexd *));
chan_desc->ch = calloc(nb_tx*nb_rx, sizeof(struct complexd *));
chan_desc->chF = calloc(nb_tx*nb_rx, sizeof(struct complexd *));
chan_desc->a = calloc(chan_desc->nb_taps, sizeof(struct complexd *));
chan_desc->ricean_factor = 1.0;
for (int i = 0; i<nb_tx*nb_rx; i++)
chan_desc->ch[i] = (struct complexd *) malloc(chan_desc->channel_length * sizeof(struct complexd));
chan_desc->ch[i] = calloc(chan_desc->channel_length, sizeof(struct complexd));
for (int i = 0; i<nb_tx*nb_rx; i++)
chan_desc->chF[i] = (struct complexd *) malloc((2+(275*12)) * sizeof(struct complexd));
chan_desc->chF[i] = calloc(2+(275*12), sizeof(struct complexd));
for (int i = 0; i<chan_desc->nb_taps; i++)
chan_desc->a[i] = (struct complexd *) malloc(nb_tx*nb_rx * sizeof(struct complexd));
chan_desc->a[i] = calloc(nb_tx*nb_rx, sizeof(struct complexd));
int matrix_size = nb_tx*nb_rx;
double *correlation_matrix[matrix_size];
@@ -446,9 +446,9 @@ void tdlModel(int tdl_paths, double *tdl_delays, double *tdl_amps_dB, double DS
}
}
chan_desc->R_sqrt = (struct complexd **) malloc(matrix_size*sizeof(struct complexd **));
chan_desc->R_sqrt = calloc(matrix_size, sizeof(*chan_desc->R_sqrt));
for (int row = 0; row < matrix_size; row++) {
chan_desc->R_sqrt[row] = (struct complexd *) calloc(1, matrix_size*sizeof(struct complexd));
chan_desc->R_sqrt[row] = calloc(matrix_size, sizeof(**chan_desc->R_sqrt));
if (correlation_matrix[row] == NULL) {
// TS 38.104 - Table G.2.3.1.2-4: MIMO correlation matrices for low correlation
chan_desc->R_sqrt[row][row].r = 1.0;