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Consider PDSCH EPRE to DMRS EPRE in NR UE

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This commit is contained in:
Bartosz Podrygajlo
2025-08-22 15:59:52 +02:00
parent 207aac94d1
commit 598fbb5a24
9 changed files with 21 additions and 13 deletions
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common/utils/nr/nr_common.c
+2 -2
View File
@@ -1465,13 +1465,13 @@ frequency_range_t get_freq_range_from_band(uint16_t band)
return band <= 256 ? FR1 : FR2;
}
float get_beta_dmrs_pusch(int num_cdm_groups_no_data, pusch_dmrs_type_t dmrs_type)
float get_beta_dmrs(int num_cdm_groups_no_data, bool is_type2)
{
float beta_dmrs_pusch = 1.0;
if (num_cdm_groups_no_data == 2) {
beta_dmrs_pusch = powf(10.0, 3.0 / 20.0);
} else if (num_cdm_groups_no_data == 3) {
if (dmrs_type == pusch_dmrs_type2)
if (is_type2)
beta_dmrs_pusch = powf(10.0, 4.77 / 20.0);
}
return beta_dmrs_pusch;
common/utils/nr/nr_common.h
+5 -5
View File
@@ -320,15 +320,15 @@ frequency_range_t get_freq_range_from_arfcn(uint32_t arfcn);
frequency_range_t get_freq_range_from_band(uint16_t band);
/**
* @brief Calculates the scaling factor for the ratio of PUSCH EPRE to DMRS EPRE.
* @brief Calculates the scaling factor for the ratio of PUSCH/PDSCH EPRE to DMRS EPRE.
*
* @param num_cdm_groups_no_data The number of CDM groups without data.
* @param dmrs_type The DMRS type.
* @return The calculated beta scaling factor for the ratio of PUSCH EPRE to DMRS EPRE.
* @param is_type2 true if calculating for DMRS configuration type 2
* @return The calculated beta scaling factor for the ratio of PUSCH/PDSCH EPRE to DMRS EPRE.
*
* @note The values are derived from TS 38.214 Table 6.2.2-1.
* @note The values are the same for PUSCH and PDSCH and are derived from TS 38.214 Table 6.2.2-1./4.1-1
*/
float get_beta_dmrs_pusch(int num_cdm_groups_no_data, pusch_dmrs_type_t dmrs_type);
float get_beta_dmrs(int num_cdm_groups_no_data, bool is_type2);
#define CEILIDIV(a,b) ((a+b-1)/b)
#define ROUNDIDIV(a,b) (((a<<1)+b)/(b<<1))