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adding check on allowed pm index in dlsim

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This commit is contained in:
francescomani
2023-03-20 17:33:15 +01:00
parent 65ce834863
commit 29ee6b17fa
3 changed files with 48 additions and 1 deletions
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openair1/SIMULATION/NR_PHY/dlsim.c
+35 -1
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@@ -236,8 +236,39 @@ nrUE_params_t *get_nrUE_params(void) {
return &nrUE_params;
}
void do_nothing(void *args) {
void validate_input_pmi(rrc_pdsch_AntennaPorts_t pdsch_AntennaPorts, int nrOfLayers, int pmi)
{
if (pmi == 0)
return;
int num_antenna_ports = pdsch_AntennaPorts.N1 * pdsch_AntennaPorts.N2 * pdsch_AntennaPorts.XP;
int N1 = pdsch_AntennaPorts.N1;
int N2 = pdsch_AntennaPorts.N2;
int O1 = N1 > 1 ? 4 : 1;
int O2 = N2 > 1 ? 4 : 1;
int K1, K2;
if (num_antenna_ports > 2)
get_K1_K2(N1, N2, &K1, &K2);
else {
K1 = 1; K2 = 1;
}
int num_pmi = 1; // pmi = 0 is the identity matrix
switch (nrOfLayers) {
case 1 :
num_pmi += N1 * O1 * N2 * O2 * 4;
AssertFatal(pmi < num_pmi, "Input PMI index %d exceeds the limit of configured matrices %d for %d layers\n", pmi, num_pmi, nrOfLayers);
return;
case 2 :
num_pmi += N1 * O1 * N2 * O2 * K1 * K2 * 2;
AssertFatal(pmi < num_pmi, "Input PMI index %d exceeds the limit of conigured matrices %d for %d layers\n", pmi, num_pmi, nrOfLayers);
break;
default :
AssertFatal(false, "Precoding with more than 2 nrOfLayers not yet supported\n");
}
}
int NB_UE_INST = 1;
int main(int argc, char **argv)
@@ -544,6 +575,7 @@ int main(int argc, char **argv)
printf("-y Number of TX antennas used in gNB\n");
printf("-z Number of RX antennas used in UE\n");
printf("-x Num of layer for PDSCH\n");
printf("-p Precoding matrix index\n");
printf("-i Change channel estimation technique. Arguments list: Frequency domain {0:Linear interpolation, 1:PRB based averaging}, Time domain {0:Estimates of last DMRS symbol, 1:Average of DMRS symbols}\n");
//printf("-j Relative strength of second intefering gNB (in dB) - cell_id mod 3 = 2\n");
printf("-R N_RB_DL\n");
@@ -673,6 +705,8 @@ int main(int argc, char **argv)
gNB->ap_N2 = pdsch_AntennaPorts.N2;
gNB->ap_XP = pdsch_AntennaPorts.XP;
validate_input_pmi(pdsch_AntennaPorts, g_nrOfLayers, g_pmi);
NR_UE_NR_Capability_t* UE_Capability_nr = CALLOC(1,sizeof(NR_UE_NR_Capability_t));
prepare_sim_uecap(UE_Capability_nr,scc,mu,
N_RB_DL,g_mcsTableIdx);