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using config file parameters in init_codebook_gNB

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francescomani
2022-02-15 09:46:13 +01:00
parent ec4ae32af0
commit 84eb7763bd
1 changed files with 10 additions and 12 deletions
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openair1/PHY/INIT/nr_init.c
+10 -12
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@@ -75,25 +75,23 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
if(gNB->frame_parms.nb_antennas_tx>1){
//NR Codebook Generation for codebook type1 SinglePanel
//csi_reportconfig->codebookConfig->codebookType.choice.type1->subType.present
int N1;
int N2;
int O1;
int O2;
int CSI_RS_antenna_ports;
int N1 = gNB->ap_N1;
int N2 = gNB->ap_N2;
//Uniform Planner Array: UPA
// X X X X ... X
// X X X X ... X
// N2 . . . . ... .
// X X X X ... X
// |<-----N1---->|
int x_polarization=2;//1 or 2
int x_polarization = gNB->ap_XP;
//Get the uniform planar array parameters
N2 = 1;//one-dimenstional array (1, 2, 3, 4 are supported in 5G)
O2 = 1;//Vertical beam oversampling (1 or 4)
N1 = gNB->frame_parms.nb_antennas_tx/(N2*x_polarization);//
O1=1;//Horizontal beam oversampling (1 or 4)
CSI_RS_antenna_ports=gNB->frame_parms.nb_antennas_tx;
// To be confirmed
int O2 = N2 > 1? 4 : 1; //Vertical beam oversampling (1 or 4)
int O1 = 4; //Horizontal beam oversampling (1 or 4)
int CSI_RS_antenna_ports = gNB->frame_parms.nb_antennas_tx;
AssertFatal(CSI_RS_antenna_ports == N1*N2*x_polarization,
"Nb of antenna ports at PHY %d does not correspond to what passed down with fapi %d\n",
N1*N2*x_polarization, CSI_RS_antenna_ports);
LOG_D(PHY, "NR Codebook Config: antenna ports: %d N1 %d N2 %d\n",CSI_RS_antenna_ports,N1,N2);
// Generation of codebook Type1 with codebookMode 1 (CSI_RS_antenna_ports < 16)