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@ -19,7 +19,7 @@
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/// Implements SNRI to CQI conversion
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uint32_t csi_snri_db_to_cqi(srslte_csi_cqi_table_t table, float snri_db)
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{
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return 15;
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return 6;
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}
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// Implements CSI report triggers
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@ -67,18 +67,15 @@ static void csi_wideband_cri_ri_pmi_cqi_quantify(const srslte_csi_hl_report_cfg_
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static uint32_t csi_wideband_cri_ri_pmi_cqi_nof_bits(const srslte_csi_report_cfg_t* cfg)
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{
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// Avoid K_csi_rs invalid value
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if (cfg->K_csi_rs == 0) {
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ERROR("Invalid K_csi_rs=%d", cfg->K_csi_rs);
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return 0;
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}
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// Compute number of bits for CRI
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uint32_t nof_bits_cri = (uint32_t)ceilf(log2f((float)cfg->K_csi_rs));
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uint32_t nof_bits_cri = 0;
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if (cfg->K_csi_rs > 0) {
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nof_bits_cri = (uint32_t)ceilf(log2f((float)cfg->K_csi_rs));
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}
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switch (cfg->nof_ports) {
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case 1:
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return SRSLTE_CSI_REPORT_FREQ_WIDEBAND + nof_bits_cri;
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return CSI_WIDEBAND_CSI_NOF_BITS + nof_bits_cri;
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default:
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ERROR("Invalid or not implemented number of ports (%d)", cfg->nof_ports);
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}
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@ -89,17 +86,16 @@ static int csi_wideband_cri_ri_pmi_cqi_pack(const srslte_csi_report_cfg_t* cfg
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const srslte_csi_report_value_t* value,
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uint8_t* o_csi1)
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{
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// Avoid K_csi_rs invalid value
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if (cfg->K_csi_rs == 0) {
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ERROR("Invalid K_csi_rs=%d", cfg->K_csi_rs);
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return SRSLTE_ERROR;
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// Compute number of bits for CRI
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uint32_t nof_bits_cri = 0;
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if (cfg->K_csi_rs > 0) {
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nof_bits_cri = (uint32_t)ceilf(log2f((float)cfg->K_csi_rs));
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}
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// Write wideband CQI
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srslte_bit_unpack(value->wideband_cri_ri_pmi_cqi.cqi, &o_csi1, CSI_WIDEBAND_CSI_NOF_BITS);
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// Compute number of bits for CRI and write
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uint32_t nof_bits_cri = (uint32_t)ceilf(log2f((float)cfg->K_csi_rs));
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srslte_bit_unpack(value->cri, &o_csi1, nof_bits_cri);
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return nof_bits_cri + CSI_WIDEBAND_CSI_NOF_BITS;
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@ -214,5 +210,12 @@ uint32_t srslte_csi_str(const srslte_csi_report_cfg_t* report_cfg,
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char* str,
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uint32_t str_len)
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{
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return srslte_print_check(str, str_len, 0, "cqi=%s", report_value->wideband_cri_ri_pmi_cqi.cqi);
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uint32_t len = 0;
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for (uint32_t i = 0; i < nof_reports; i++) {
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if (report_cfg[i].freq_cfg == SRSLTE_CSI_REPORT_FREQ_WIDEBAND &&
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report_cfg[i].quantity == SRSLTE_CSI_REPORT_QUANTITY_CRI_RI_PMI_CQI) {
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len = srslte_print_check(str, str_len, len, ", cqi=%d", report_value[i].wideband_cri_ri_pmi_cqi.cqi);
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}
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}
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return len;
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}
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