From 4819b14671742eb1291cb956409608c9b86e9cc8 Mon Sep 17 00:00:00 2001 From: francescomani Date: Mon, 7 Jun 2021 17:36:16 +0200 Subject: [PATCH] bitlen for typeI single panel --- .../LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c | 205 +++++++++++++++++- 1 file changed, 203 insertions(+), 2 deletions(-) diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c index d7480e08e3..5342f82faf 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c @@ -268,6 +268,202 @@ void compute_li_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig, } +void get_n1n2_o1o2_singlepanel(int *n1, int *n2, int *o1, int *o2, + struct NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo *morethantwo) { + + // Table 5.2.2.2.1-2 in 38.214 for supported configurations + switch(morethantwo->n1_n2.present){ + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_two_one_TypeI_SinglePanel_Restriction): + *n1 = 2; + *n2 = 1; + *o1 = 4; + *o2 = 1; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_two_two_TypeI_SinglePanel_Restriction): + *n1 = 2; + *n2 = 2; + *o1 = 4; + *o2 = 4; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_one_TypeI_SinglePanel_Restriction): + *n1 = 4; + *n2 = 1; + *o1 = 4; + *o2 = 1; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_three_two_TypeI_SinglePanel_Restriction): + *n1 = 3; + *n2 = 2; + *o1 = 4; + *o2 = 4; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_six_one_TypeI_SinglePanel_Restriction): + *n1 = 6; + *n2 = 1; + *o1 = 4; + *o2 = 1; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_two_TypeI_SinglePanel_Restriction): + *n1 = 4; + *n2 = 2; + *o1 = 4; + *o2 = 4; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_eight_one_TypeI_SinglePanel_Restriction): + *n1 = 8; + *n2 = 1; + *o1 = 4; + *o2 = 1; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_three_TypeI_SinglePanel_Restriction): + *n1 = 4; + *n2 = 3; + *o1 = 4; + *o2 = 4; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_six_two_TypeI_SinglePanel_Restriction): + *n1 = 4; + *n2 = 2; + *o1 = 4; + *o2 = 4; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_twelve_one_TypeI_SinglePanel_Restriction): + *n1 = 12; + *n2 = 1; + *o1 = 4; + *o2 = 1; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_four_four_TypeI_SinglePanel_Restriction): + *n1 = 4; + *n2 = 4; + *o1 = 4; + *o2 = 4; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_eight_two_TypeI_SinglePanel_Restriction): + *n1 = 8; + *n2 = 2; + *o1 = 4; + *o2 = 4; + break; + case (NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_sixteen_one_TypeI_SinglePanel_Restriction): + *n1 = 16; + *n2 = 1; + *o1 = 4; + *o2 = 1; + break; + default: + AssertFatal(1==0,"Not supported configuration for n1_n2 in codebook configuration"); + } +} + +void get_x1x2_bitlen_singlepanel(int n1, int n2, int o1, int o2, + int *x1, int *x2, int rank, int codebook_mode) { + + // Table 6.3.1.1.2-1 in 38.212 + switch(rank){ + case 1: + if(n2>1) { + if (codebook_mode == 1) { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 2; + } + else { + *x1 = ceil(log2(n1*o1/2)) + ceil(log2(n2*o2/2)); + *x2 = 4; + } + } + else{ + if (codebook_mode == 1) { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 2; + } + else { + *x1 = ceil(log2(n1*o1/2)); + *x2 = 4; + } + } + break; + case 2: + if(n1*n2 == 2) { + if (codebook_mode == 1) { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 1; + } + else { + *x1 = ceil(log2(n1*o1/2)); + *x2 = 3; + } + *x1 += 1; + } + else { + if(n2>1) { + if (codebook_mode == 1) { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 3; + } + else { + *x1 = ceil(log2(n1*o1/2)) + ceil(log2(n2*o2/2)); + *x2 = 3; + } + } + else{ + if (codebook_mode == 1) { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 1; + } + else { + *x1 = ceil(log2(n1*o1/2)); + *x2 = 3; + } + } + *x1 += 2; + } + break; + case 3: + case 4: + if(n1*n2 == 2) { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 1; + } + else { + if(n1*n2 >= 8) { + *x1 = ceil(log2(n1*o1/2)) + ceil(log2(n2*o2)) + 2; + *x2 = 1; + } + else { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)) + 2; + *x2 = 1; + } + } + break; + case 5: + case 6: + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 1; + break; + case 7: + case 8: + if(n1 == 4 && n2 == 1) { + *x1 = ceil(log2(n1*o1/2)) + ceil(log2(n2*o2)); + *x2 = 1; + } + else { + if(n1 > 2 && n2 == 2) { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2/2)); + *x2 = 1; + } + else { + *x1 = ceil(log2(n1*o1)) + ceil(log2(n2*o2)); + *x2 = 1; + } + } + break; + default: + AssertFatal(1==0,"Invalid rank in x1 x2 bit length computation\n"); + } +} + + void compute_pmi_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig, uint8_t ri_restriction, nr_csi_report_t *csi_report){ @@ -288,8 +484,13 @@ void compute_pmi_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig, if (i==1) csi_report->csi_meas_bitlen.pmi_x2_bitlen[i]=1; } - else - AssertFatal(1==0,"More than 2 port not yet implemented\n"); + else { // more than two + int n1,n2,o1,o2,x1,x2; + get_n1n2_o1o2_singlepanel(&n1,&n2,&o1,&o2,codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->nrOfAntennaPorts.choice.moreThanTwo); + get_x1x2_bitlen_singlepanel(n1,n2,o1,o2,&x1,&x2,i+1,codebookConfig->codebookType.choice.type1->codebookMode); + csi_report->csi_meas_bitlen.pmi_x1_bitlen[i]=x1; + csi_report->csi_meas_bitlen.pmi_x2_bitlen[i]=x2; + } } else AssertFatal(1==0,"Type1 Multi-panel Codebook Config not yet implemented\n");