mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/*
|
|
* Copyright 2013-2020 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsLTE.
|
|
*
|
|
* srsLTE is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* srsLTE is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* A copy of the GNU Affero General Public License can be found in
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
* and at http://www.gnu.org/licenses/.
|
|
*
|
|
*/
|
|
|
|
/******************************************************************************
|
|
* File: ra.h
|
|
*
|
|
* Description: Implements Resource allocation Procedures common in for DL and UL
|
|
*
|
|
* Reference: 3GPP TS 36.213 version 10.0.1 Release 10
|
|
*****************************************************************************/
|
|
|
|
#ifndef SRSLTE_RA_H
|
|
#define SRSLTE_RA_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
#include "srslte/config.h"
|
|
#include "srslte/phy/common/phy_common.h"
|
|
|
|
/**************************************************
|
|
* Common structures used for Resource Allocation
|
|
**************************************************/
|
|
|
|
typedef struct SRSLTE_API {
|
|
srslte_mod_t mod;
|
|
int tbs;
|
|
int rv;
|
|
uint32_t nof_bits;
|
|
uint32_t cw_idx;
|
|
bool enabled;
|
|
|
|
// this is for debugging and metrics purposes
|
|
uint32_t mcs_idx;
|
|
} srslte_ra_tb_t;
|
|
|
|
typedef enum SRSLTE_API {
|
|
SRSLTE_RA_ALLOC_TYPE0 = 0,
|
|
SRSLTE_RA_ALLOC_TYPE1 = 1,
|
|
SRSLTE_RA_ALLOC_TYPE2 = 2
|
|
} srslte_ra_type_t;
|
|
|
|
typedef struct SRSLTE_API {
|
|
uint32_t rbg_bitmask;
|
|
} srslte_ra_type0_t;
|
|
|
|
typedef struct SRSLTE_API {
|
|
uint32_t vrb_bitmask;
|
|
uint32_t rbg_subset;
|
|
bool shift;
|
|
} srslte_ra_type1_t;
|
|
|
|
typedef struct SRSLTE_API {
|
|
uint32_t riv; // if L_crb==0, DCI message packer will take this value directly
|
|
enum { SRSLTE_RA_TYPE2_NPRB1A_2 = 0, SRSLTE_RA_TYPE2_NPRB1A_3 = 1 } n_prb1a;
|
|
enum { SRSLTE_RA_TYPE2_NG1 = 0, SRSLTE_RA_TYPE2_NG2 = 1 } n_gap;
|
|
enum { SRSLTE_RA_TYPE2_LOC = 0, SRSLTE_RA_TYPE2_DIST = 1 } mode;
|
|
} srslte_ra_type2_t;
|
|
|
|
#define SRSLTE_RA_NOF_TBS_IDX 34
|
|
|
|
SRSLTE_API uint32_t srslte_ra_type0_P(uint32_t nof_prb);
|
|
|
|
SRSLTE_API uint32_t srslte_ra_type2_n_vrb_dl(uint32_t nof_prb, bool ngap_is_1);
|
|
|
|
SRSLTE_API uint32_t srslte_ra_type2_n_rb_step(uint32_t nof_prb);
|
|
|
|
SRSLTE_API uint32_t srslte_ra_type2_ngap(uint32_t nof_prb, bool ngap_is_1);
|
|
|
|
SRSLTE_API uint32_t srslte_ra_type1_N_rb(uint32_t nof_prb);
|
|
|
|
SRSLTE_API uint32_t srslte_ra_type2_to_riv(uint32_t L_crb, uint32_t RB_start, uint32_t nof_prb);
|
|
|
|
SRSLTE_API void
|
|
srslte_ra_type2_from_riv(uint32_t riv, uint32_t* L_crb, uint32_t* RB_start, uint32_t nof_prb, uint32_t nof_vrb);
|
|
|
|
SRSLTE_API int srslte_ra_tbs_idx_from_mcs(uint32_t mcs, bool use_tbs_index_alt, bool is_ul);
|
|
|
|
SRSLTE_API srslte_mod_t srslte_ra_dl_mod_from_mcs(uint32_t mcs, bool use_tbs_index_alt);
|
|
|
|
SRSLTE_API srslte_mod_t srslte_ra_ul_mod_from_mcs(uint32_t mcs);
|
|
|
|
SRSLTE_API int srslte_ra_mcs_from_tbs_idx(uint32_t tbs_idx, bool use_tbs_index_alt, bool is_ul);
|
|
|
|
SRSLTE_API int srslte_ra_tbs_from_idx(uint32_t tbs_idx, uint32_t n_prb);
|
|
|
|
SRSLTE_API int srslte_ra_tbs_to_table_idx(uint32_t tbs, uint32_t n_prb);
|
|
|
|
#endif // SRSLTE_RA_H
|