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Fix Phase noise addition in ULSIM

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- moved the noise function gNB variable
This commit is contained in:
Parminder Singh
2020-09-02 09:53:45 +02:00
parent f7ed592ef5
commit 6ce38ac960
1 changed files with 5 additions and 5 deletions
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openair1/SIMULATION/NR_PHY/ulsim.c
+5 -5
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@@ -830,13 +830,13 @@ int main(int argc, char **argv)
if (input_fd == NULL ) { if (input_fd == NULL ) {
for (i=0; i<slot_length; i++) { for (i=0; i<slot_length; i++) {
for (ap=0; ap<frame_parms->nb_antennas_rx; ap++) { for (ap=0; ap<frame_parms->nb_antennas_rx; ap++) {
/* Add phase noise if enabled */
if (pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
phase_noise(ts, &((int16_t*)&UE->common_vars.txdata[ap][slot_offset])[(i<<1)],
&((int16_t*)&UE->common_vars.txdata[ap][slot_offset])[(i<<1)+1]);
}
((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i) + (delay*2)] = (int16_t)((double)(((int16_t *)&UE->common_vars.txdata[ap][slot_offset])[(i<<1)])/sqrt(scale) + (sqrt(sigma/2)*gaussdouble(0.0,1.0))); // convert to fixed point ((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i) + (delay*2)] = (int16_t)((double)(((int16_t *)&UE->common_vars.txdata[ap][slot_offset])[(i<<1)])/sqrt(scale) + (sqrt(sigma/2)*gaussdouble(0.0,1.0))); // convert to fixed point
((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1 + (delay*2)] = (int16_t)((double)(((int16_t *)&UE->common_vars.txdata[ap][slot_offset])[(i<<1)+1])/sqrt(scale) + (sqrt(sigma/2)*gaussdouble(0.0,1.0))); ((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1 + (delay*2)] = (int16_t)((double)(((int16_t *)&UE->common_vars.txdata[ap][slot_offset])[(i<<1)+1])/sqrt(scale) + (sqrt(sigma/2)*gaussdouble(0.0,1.0)));
/* Add phase noise if enabled */
if (pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
phase_noise(ts, &((int16_t*)&gNB->common_vars.rxdata[ap][slot_offset])[(i<<1)],
&((int16_t*)&gNB->common_vars.rxdata[ap][slot_offset])[(i<<1)+1]);
}
} }
} }
} }