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srsLTE
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Better NR softbuffer size adjustment

This commit is contained in:
Xavier Arteaga 2021-08-20 16:23:10 +02:00 committed by Andre Puschmann
parent a80fdc0703
commit 01390a7340
3 changed files with 13 additions and 7 deletions
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6
lib/include/srsran/phy/common/phy_common_nr.h
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@ -36,7 +36,6 @@ extern "C" {
#define SRSRAN_SF_LEN_PRB_NR(nof_prb) (srsran_min_symbol_sz_rb(nof_prb) * 15)
#define SRSRAN_SLOT_MAX_LEN_RE_NR (SRSRAN_SLOT_LEN_RE_NR(SRSRAN_MAX_PRB_NR))
#define SRSRAN_SLOT_MAX_NOF_BITS_NR (SRSRAN_SLOT_MAX_LEN_RE_NR * SRSRAN_MAX_QM)
#define SRSRAN_MAX_LAYERS_NR 8
/**
@ -114,6 +113,11 @@ extern "C" {
*/
#define SRSRAN_PDSCH_MAX_RE_NR (SRSRAN_MAX_NRE_NR * SRSRAN_MAX_PRB_NR)
/**
* @brief defines the maximum number of bits that can be transmitted in a slot
*/
#define SRSRAN_SLOT_MAX_NOF_BITS_NR (SRSRAN_PDSCH_MAX_RE_NR * SRSRAN_MAX_QM)
/**
* @brief Maximum number of PDSCH time domain resource allocations. This is defined by TS 38.331 v15.10.0
* as maxNrofDL-Allocations

8
lib/include/srsran/phy/fec/ldpc/base_graph.h
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@ -32,11 +32,9 @@
#include <stdint.h>
#define SRSRAN_LDPC_BG1_MAX_LEN_CB 8448 /*!< \brief Maximum code block size for LDPC BG1 */
#define SRSRAN_LDPC_BG2_MAX_LEN_CB 3840 /*!< \brief Maximum code block size for LDPC BG2 */
#define SRSRAN_LDPC_MAX_LEN_CB \
SRSRAN_MAX(SRSRAN_LDPC_BG1_MAX_LEN_CB, \
SRSRAN_LDPC_BG2_MAX_LEN_CB) /*!< \brief Maximum code block size for LDPC BG1 or BG2 */
#define SRSRAN_LDPC_BG1_MAX_LEN_CB 8448 /*!< \brief Maximum code block size for LDPC BG1 */
#define SRSRAN_LDPC_BG2_MAX_LEN_CB 3840 /*!< \brief Maximum code block size for LDPC BG2 */
#define SRSRAN_LDPC_MAX_LEN_CB SRSRAN_LDPC_BG1_MAX_LEN_CB /*!< \brief Maximum code block size for LDPC BG1 or BG2 */
#define BG1Nfull 68 /*!< \brief Number of variable nodes in BG1. */
#define BG1N 66 /*!< \brief Number of variable nodes in BG1 after puncturing. */

6
lib/include/srsran/phy/phch/sch_nr.h
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@ -29,8 +29,12 @@
#include "srsran/phy/fec/ldpc/ldpc_rm.h"
#include "srsran/phy/phch/phch_cfg_nr.h"
/**
* @brief Maximum number of codeblocks for a NR shared channel transmission. It assumes a rate of 1.0 for the maximum
* amount of bits a resource grid can fit
*/
#define SRSRAN_SCH_NR_MAX_NOF_CB_LDPC \
((SRSRAN_SLOT_MAX_NOF_BITS_NR + (SRSRAN_LDPC_BG2_MAX_LEN_CB - 1)) / SRSRAN_LDPC_BG2_MAX_LEN_CB)
((SRSRAN_SLOT_MAX_NOF_BITS_NR + (SRSRAN_LDPC_MAX_LEN_CB - 1)) / SRSRAN_LDPC_MAX_LEN_CB)
/**
* @brief Groups NR-PUSCH data for reception