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srsLTE
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Reduced maximum number of CSI reports

This commit is contained in:
Xavier Arteaga 2021-10-22 13:00:07 +02:00 committed by Andre Puschmann
parent bbacd47e02
commit 95bf85b3d3
4 changed files with 28 additions and 25 deletions
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6
lib/include/srsran/phy/phch/csi.h
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@ -39,7 +39,7 @@ srsran_csi_new_nzp_csi_rs_measurement(const srsran_csi_hl_resource_cfg_t csi_res
*/ */
SRSRAN_API int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg, SRSRAN_API int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg,
const srsran_slot_cfg_t* slot_cfg, const srsran_slot_cfg_t* slot_cfg,
srsran_csi_report_cfg_t report_cfg[SRSRAN_CSI_MAX_NOF_REPORT]); srsran_csi_report_cfg_t report_cfg[SRSRAN_CSI_SLOT_MAX_NOF_REPORT]);
/** /**
* @brief Quantifies a given set of CSI reports from the given set of measurements * @brief Quantifies a given set of CSI reports from the given set of measurements
@ -49,9 +49,9 @@ SRSRAN_API int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg,
* @return The number CSI reports for transmission if the provided data is valid, SRSRAN_ERROR code otherwise * @return The number CSI reports for transmission if the provided data is valid, SRSRAN_ERROR code otherwise
*/ */
SRSRAN_API int SRSRAN_API int
srsran_csi_reports_quantify(const srsran_csi_report_cfg_t reports[SRSRAN_CSI_MAX_NOF_REPORT], srsran_csi_reports_quantify(const srsran_csi_report_cfg_t reports[SRSRAN_CSI_SLOT_MAX_NOF_REPORT],
const srsran_csi_channel_measurements_t measurements[SRSRAN_CSI_MAX_NOF_RESOURCES], const srsran_csi_channel_measurements_t measurements[SRSRAN_CSI_MAX_NOF_RESOURCES],
srsran_csi_report_value_t report_value[SRSRAN_CSI_MAX_NOF_REPORT]); srsran_csi_report_value_t report_value[SRSRAN_CSI_SLOT_MAX_NOF_REPORT]);
/** /**
* @brief Compute number of CSI bits necessary to transmit all the CSI reports for a PUCCH transmission * @brief Compute number of CSI bits necessary to transmit all the CSI reports for a PUCCH transmission

14
lib/include/srsran/phy/phch/csi_cfg.h
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@ -22,6 +22,11 @@
*/ */
#define SRSRAN_CSI_MAX_NOF_REPORT 48 #define SRSRAN_CSI_MAX_NOF_REPORT 48
/**
* @brief Maximum number of supported simultaneous CSI reports in a single slot transmission
*/
#define SRSRAN_CSI_SLOT_MAX_NOF_REPORT 2
/** /**
* @brief Maximum number of CSI-RS resources defined in TS 38.331 maxNrofCSI-ResourceConfigurations * @brief Maximum number of CSI-RS resources defined in TS 38.331 maxNrofCSI-ResourceConfigurations
*/ */
@ -193,13 +198,4 @@ typedef struct SRSRAN_API {
}; };
} srsran_csi_report_value_t; } srsran_csi_report_value_t;
/**
* @brief Complete report configuration and value
*/
typedef struct SRSRAN_API {
srsran_csi_report_cfg_t cfg[SRSRAN_CSI_MAX_NOF_REPORT]; ///< Configuration ready for encoding
srsran_csi_report_value_t value[SRSRAN_CSI_MAX_NOF_REPORT]; ///< Quantified values
uint32_t nof_reports; ///< Total number of reports to transmit
} srsran_csi_reports_t;
#endif // SRSRAN_CSI_CFG_H #endif // SRSRAN_CSI_CFG_H

4
lib/include/srsran/phy/phch/uci_cfg_nr.h
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@ -71,7 +71,7 @@ typedef struct SRSRAN_API {
srsran_harq_ack_cfg_t ack; ///< HARQ-ACK configuration srsran_harq_ack_cfg_t ack; ///< HARQ-ACK configuration
uint32_t o_sr; ///< Number of SR bits uint32_t o_sr; ///< Number of SR bits
bool sr_positive_present; ///< Set to true if there is at least one positive SR bool sr_positive_present; ///< Set to true if there is at least one positive SR
srsran_csi_report_cfg_t csi[SRSRAN_CSI_MAX_NOF_REPORT]; ///< CSI report configuration srsran_csi_report_cfg_t csi[SRSRAN_CSI_SLOT_MAX_NOF_REPORT]; ///< CSI report configuration
uint32_t nof_csi; ///< Number of CSI reports uint32_t nof_csi; ///< Number of CSI reports
union { union {
srsran_uci_nr_pucch_cfg_t pucch; ///< Configuration for transmission in PUCCH srsran_uci_nr_pucch_cfg_t pucch; ///< Configuration for transmission in PUCCH
@ -85,7 +85,7 @@ typedef struct SRSRAN_API {
typedef struct SRSRAN_API { typedef struct SRSRAN_API {
uint8_t ack[SRSRAN_HARQ_ACK_MAX_NOF_BITS]; ///< HARQ ACK feedback bits uint8_t ack[SRSRAN_HARQ_ACK_MAX_NOF_BITS]; ///< HARQ ACK feedback bits
uint32_t sr; ///< Number of positive SR uint32_t sr; ///< Number of positive SR
srsran_csi_report_value_t csi[SRSRAN_CSI_MAX_NOF_REPORT]; ///< Packed CSI report values srsran_csi_report_value_t csi[SRSRAN_CSI_SLOT_MAX_NOF_REPORT]; ///< Packed CSI report values
bool valid; ///< Indicates whether the message has been decoded successfully, ignored in the transmitter bool valid; ///< Indicates whether the message has been decoded successfully, ignored in the transmitter
} srsran_uci_value_nr_t; } srsran_uci_value_nr_t;

17
lib/src/phy/phch/csi.c
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@ -179,7 +179,7 @@ int srsran_csi_new_nzp_csi_rs_measurement(
int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg, int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg,
const srsran_slot_cfg_t* slot_cfg, const srsran_slot_cfg_t* slot_cfg,
srsran_csi_report_cfg_t report_cfg[SRSRAN_CSI_MAX_NOF_REPORT]) srsran_csi_report_cfg_t report_cfg[SRSRAN_CSI_SLOT_MAX_NOF_REPORT])
{ {
uint32_t count = 0; uint32_t count = 0;
@ -189,7 +189,7 @@ int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg,
} }
// Make sure report configuration is initialised to zero // Make sure report configuration is initialised to zero
SRSRAN_MEM_ZERO(report_cfg, srsran_csi_report_cfg_t, SRSRAN_CSI_MAX_NOF_REPORT); SRSRAN_MEM_ZERO(report_cfg, srsran_csi_report_cfg_t, SRSRAN_CSI_SLOT_MAX_NOF_REPORT);
// Iterate every possible configured CSI report // Iterate every possible configured CSI report
for (uint32_t i = 0; i < SRSRAN_CSI_MAX_NOF_REPORT; i++) { for (uint32_t i = 0; i < SRSRAN_CSI_MAX_NOF_REPORT; i++) {
@ -198,6 +198,13 @@ int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg,
continue; continue;
} }
if (count >= SRSRAN_CSI_SLOT_MAX_NOF_REPORT) {
ERROR("The number of CSI reports in the slot (%d) exceeds the maximum (%d)",
count++,
SRSRAN_CSI_SLOT_MAX_NOF_REPORT);
return SRSRAN_ERROR;
}
// Configure report // Configure report
report_cfg[count].cfg = cfg->reports[i]; report_cfg[count].cfg = cfg->reports[i];
report_cfg[count].nof_ports = 1; report_cfg[count].nof_ports = 1;
@ -209,9 +216,9 @@ int srsran_csi_reports_generate(const srsran_csi_hl_cfg_t* cfg,
return (int)count; return (int)count;
} }
int srsran_csi_reports_quantify(const srsran_csi_report_cfg_t reports[SRSRAN_CSI_MAX_NOF_REPORT], int srsran_csi_reports_quantify(const srsran_csi_report_cfg_t reports[SRSRAN_CSI_SLOT_MAX_NOF_REPORT],
const srsran_csi_channel_measurements_t measurements[SRSRAN_CSI_MAX_NOF_RESOURCES], const srsran_csi_channel_measurements_t measurements[SRSRAN_CSI_MAX_NOF_RESOURCES],
srsran_csi_report_value_t report_value[SRSRAN_CSI_MAX_NOF_REPORT]) srsran_csi_report_value_t report_value[SRSRAN_CSI_SLOT_MAX_NOF_REPORT])
{ {
uint32_t count = 0; uint32_t count = 0;
@ -221,7 +228,7 @@ int srsran_csi_reports_quantify(const srsran_csi_report_cfg_t reports[
} }
// Iterate every possible configured CSI report // Iterate every possible configured CSI report
for (uint32_t i = 0; i < SRSRAN_CSI_MAX_NOF_REPORT; i++) { for (uint32_t i = 0; i < SRSRAN_CSI_SLOT_MAX_NOF_REPORT; i++) {
// If the report is the last one, break // If the report is the last one, break
if (reports->cfg.type == SRSRAN_CSI_REPORT_TYPE_NONE) { if (reports->cfg.type == SRSRAN_CSI_REPORT_TYPE_NONE) {
break; break;