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Commit b66c3e0b authored by sfn's avatar sfn Committed by Thomas Schlichter
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Fix Codebook gen. for 3 and 4 layers

parent a73209fe
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Showing with 21 additions and 137 deletions
openair1/PHY/INIT/nr_init.c
View file @ b66c3e0b
......@@ -87,130 +87,14 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
// N2 . . . . ... .
// X X X X ... X
// |<-----N1---->|
if (gNB->frame_parms.nb_antennas_tx == 2) {//nrOfAntennaPorts = two
N1=1;
N2=1;
O1=1;
O2=1;
CSI_RS_antenna_ports=2;
LOG_D(PHY, "NR Codebook Config: antenna ports: %d\n",CSI_RS_antenna_ports);
} else if(gNB->frame_parms.nb_antennas_tx > 2) {//nrOfAntennaPorts moreThanTwo
//Type 1 Single Panel : Based on 38.214 v15.3-Table 5.2.2.2.1-2: Supported configurations of (N1,N2) and (O1,O2)
switch(gNB->frame_parms.antennas_tx_n1_n2) {
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_two_one_TypeI_SinglePanel_Restriction:
N1=2;
N2=1;
O1=1;//or 4
O2=1;
CSI_RS_antenna_ports=4;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_two_one\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_two_two_TypeI_SinglePanel_Restriction:
N1=2;
N2=2;
O1=1;//or 4
O2=1;// or 4
CSI_RS_antenna_ports=8;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_two_two_TypeI\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_one_TypeI_SinglePanel_Restriction:
N1=4;
N2=1;
O1=1;//or 4
O2=1;
CSI_RS_antenna_ports=8;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_four_one\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_three_two_TypeI_SinglePanel_Restriction:
N1=3;
N2=2;
O1=1;//or 4
O2=1;// or 4
CSI_RS_antenna_ports=12;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_three_two\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_six_one_TypeI_SinglePanel_Restriction:
N1=6;
N2=1;
O1=1;
O2=1;
CSI_RS_antenna_ports=12;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_six_one\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_two_TypeI_SinglePanel_Restriction:
N1=4;
N2=2;
O1=1;
O2=1;
CSI_RS_antenna_ports=16;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_four_two\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_eight_one_TypeI_SinglePanel_Restriction:
N1=8;
N2=1;
O1=1;
O2=1;
CSI_RS_antenna_ports=16;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_eight_one\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_three_TypeI_SinglePanel_Restriction:
N1=4;
N2=3;
O1=1;
O2=1;
CSI_RS_antenna_ports=24;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_four_three\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_six_two_TypeI_SinglePanel_Restriction:
N1=6;
N2=2;
O1=1;
O2=1;
CSI_RS_antenna_ports=24;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_six_two\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_twelve_one_TypeI_SinglePanel_Restriction:
N1=12;
N2=1;
O1=1;
O2=1;
CSI_RS_antenna_ports=24;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_twelve_one\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_four_TypeI_SinglePanel_Restriction:
N1=4;
N2=4;
O1=1;
O2=1;
CSI_RS_antenna_ports=32;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_four_four\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_eight_two_TypeI_SinglePanel_Restriction:
N1=8;
N2=2;
O1=1;
O2=1;
CSI_RS_antenna_ports=32;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_eight_two\n",CSI_RS_antenna_ports);
break;
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_sixteen_one_TypeI_SinglePanel_Restriction:
N1=16;
N2=1;
O1=1;
O2=1;
CSI_RS_antenna_ports=32;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d n1_n2_PR_sixteen_one\n",CSI_RS_antenna_ports);
break;
default:
N1=1;
N2=1;
O1=1;
O2=1;
CSI_RS_antenna_ports=2;
LOG_D(PHY, "NR Codebook Config: codebookType: type1, antenna ports: %d \n",CSI_RS_antenna_ports);
break;
}
}
int x_polarization=2;//1 or 2
//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=N1*N2*x_polarization;
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)
if (CSI_RS_antenna_ports < 16) {
......@@ -269,7 +153,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
for(int j_col=0; j_col<1; j_col++) { //1 layer
for (int i_rows=0; i_rows<2*N1*N2; i_rows++) { //2-x polarized antenna
if(j_col==i_rows) {
mat[0][0][i_rows+j_col] = (1<<14);
mat[0][0][i_rows+j_col] = 0x7fff;
}
}
}
......@@ -323,7 +207,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
for(int ll=0; ll<N1*O1; ll++) { //i_1_1
for (int mm=0; mm<N2*O2; mm++) { //i_1_2
for (int nn=0; nn<2; nn++) {
if((llb != ll) || (mmb != mm)) pmiq_size += 1;
if((llb != ll) || (mmb != mm) || ((N1 == 1) && (N2 == 1))) pmiq_size += 1;
}
}
}
......@@ -336,7 +220,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
for(int j_col=0; j_col<2; j_col++) { //2 layers
for (int i_rows=0; i_rows<2*N1*N2; i_rows++) { //2-x polarized antenna
if(j_col==i_rows) {
mat[1][0][i_rows*2+j_col] = (1<<14);
mat[1][0][i_rows*2+j_col] = 0x7fff;
}
}
}
......@@ -348,7 +232,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
for(int ll=0; ll<N1*O1; ll++) { //i_1_1
for (int mm=0; mm<N2*O2; mm++) { //i_1_2
for (int nn=0; nn<2; nn++) {
if((llb != ll) || (mmb != mm)){
if((llb != ll) || (mmb != mm) || ((N1 == 1) && (N2 == 1))){
pmiq += 1;
mat[1][pmiq] = (int32_t *)malloc16((2*N1*N2)*(2)*sizeof(int32_t));
LOG_I(PHY, "layer 2 Codebook pmiq = %d\n",pmiq);
......@@ -418,7 +302,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
for(int j_col=0; j_col<3; j_col++) { //3 layers
for (int i_rows=0; i_rows<2*N1*N2; i_rows++) { //2-x polarized antenna
if(j_col==i_rows) {
mat[2][0][i_rows*3+j_col] = (1<<13);
mat[2][0][i_rows*3+j_col] = 0x7fff;
}
}
}
......@@ -445,9 +329,9 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
mmc = mm;
phase_sign = 1;
}
if (j_col==3) {
llc = llb;
mmc = mmb;
if (j_col==2) {
llc = ll;
mmc = mm;
phase_sign = -1;
}
for (int i_rows=0; i_rows<N1*N2; i_rows++) {
......@@ -506,7 +390,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
for(int j_col=0; j_col<4; j_col++) { //4 layers
for (int i_rows=0; i_rows<2*N1*N2; i_rows++) { //2-x polarized antenna
if(j_col==i_rows) {
mat[3][0][i_rows*4+j_col] = (1<<13);
mat[3][0][i_rows*4+j_col] = 0x7fff;
}
}
}
......@@ -534,12 +418,12 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
mmc = mm;
phase_sign = 1;
}
if (j_col==3) {
if (j_col==2) {
llc = llb;
mmc = mmb;
phase_sign = -1;
}
if (j_col==4) {
if (j_col==3) {
llc = ll;
mmc = mm;
phase_sign = -1;
......@@ -554,7 +438,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
((short*) &mat[3][pmiq][i_rows*4+j_col])[1] = (short) ((cimag(res_code)*32768)+0.5);//convert to Q15
else
((short*) &mat[3][pmiq][i_rows*4+j_col])[1] = (short) ((cimag(res_code)*32768)-0.5);//convert to Q15
LOG_I(PHY, "4 Layer Precoding Matrix[3][pmi %d][antPort %d][layerIdx %d]= %f+j %f -> Fixed Point %d+j %d \n",pmiq,i_rows,j_col, creal(res_code), cimag(res_code),((short*) &mat[3][pmiq][i_rows*4+j_col])[0],((short*) &mat[3][pmiq][i_rows*4+j_col])[1]);
LOG_D(PHY, "4 Layer Precoding Matrix[3][pmi %d][antPort %d][layerIdx %d]= %f+j %f -> Fixed Point %d+j %d \n",pmiq,i_rows,j_col, creal(res_code), cimag(res_code),((short*) &mat[3][pmiq][i_rows*4+j_col])[0],((short*) &mat[3][pmiq][i_rows*4+j_col])[1]);
}
for (int i_rows=N1*N2; i_rows<2*N1*N2; i_rows++) {
......@@ -567,7 +451,7 @@ int init_codebook_gNB(PHY_VARS_gNB *gNB) {
((short*) &mat[3][pmiq][i_rows*4+j_col])[1] = (short) ((cimag(res_code)*32768)+0.5);//convert to Q15
else
((short*) &mat[3][pmiq][i_rows*4+j_col])[1] = (short) ((cimag(res_code)*32768)-0.5);//convert to Q15
LOG_I(PHY, "4 Layer Precoding Matrix[3][pmi %d][antPort %d][layerIdx %d]= %f+j %f -> Fixed Point %d+j %d \n",pmiq,i_rows,j_col, creal(res_code), cimag(res_code),((short*) &mat[3][pmiq][i_rows*4+j_col])[0],((short*) &mat[3][pmiq][i_rows*4+j_col])[1]);
LOG_D(PHY, "4 Layer Precoding Matrix[3][pmi %d][antPort %d][layerIdx %d]= %f+j %f -> Fixed Point %d+j %d \n",pmiq,i_rows,j_col, creal(res_code), cimag(res_code),((short*) &mat[3][pmiq][i_rows*4+j_col])[0],((short*) &mat[3][pmiq][i_rows*4+j_col])[1]);
}
}
}
......
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