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.
284 lines
8.8 KiB
C
284 lines
8.8 KiB
C
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2015 Software Radio Systems Limited
|
|
*
|
|
* \section LICENSE
|
|
*
|
|
* This file is part of the srsLTE library.
|
|
*
|
|
* 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: phy_common.h
|
|
*
|
|
* Description: Common parameters and lookup functions for PHY
|
|
*
|
|
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10
|
|
*********************************************************************************************/
|
|
|
|
#ifndef _LTEBASE_
|
|
#define _LTEBASE_
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <math.h>
|
|
|
|
#include "srslte/config.h"
|
|
|
|
#define SRSLTE_NSUBFRAMES_X_FRAME 10
|
|
#define SRSLTE_NSLOTS_X_FRAME (2*SRSLTE_NSUBFRAMES_X_FRAME)
|
|
|
|
#define SRSLTE_NSOFT_BITS 250368 // Soft buffer size for Category 1 UE
|
|
|
|
#define SRSLTE_PC_MAX 23 // Maximum TX power for Category 1 UE (in dBm)
|
|
|
|
#define SRSLTE_MAX_PORTS 4
|
|
#define SRSLTE_MAX_LAYERS 4
|
|
#define SRSLTE_MAX_CODEWORDS 2
|
|
|
|
#define SRSLTE_MAX_CODEBLOCKS 32
|
|
|
|
#define SRSLTE_MAX_CODEBOOKS 4
|
|
|
|
#define SRSLTE_LTE_CRC24A 0x1864CFB
|
|
#define SRSLTE_LTE_CRC24B 0X1800063
|
|
#define SRSLTE_LTE_CRC16 0x11021
|
|
#define SRSLTE_LTE_CRC8 0x19B
|
|
|
|
typedef enum {SRSLTE_CP_NORM, SRSLTE_CP_EXT} srslte_cp_t;
|
|
|
|
|
|
#define SRSLTE_CRNTI_START 0x000B
|
|
#define SRSLTE_CRNTI_END 0xFFF3
|
|
#define SRSLTE_RARNTI_START 0x0001
|
|
#define SRSLTE_RARNTI_END 0x000A
|
|
#define SRSLTE_SIRNTI 0xFFFF
|
|
#define SRSLTE_PRNTI 0xFFFE
|
|
#define SRSLTE_MRNTI 0xFFFD
|
|
|
|
#define SRSLTE_CELL_ID_UNKNOWN 1000
|
|
|
|
#define SRSLTE_MAX_NSYMB 7
|
|
|
|
#define SRSLTE_MAX_PRB 110
|
|
#define SRSLTE_NRE 12
|
|
|
|
#define SRSLTE_SYMBOL_SZ_MAX 2048
|
|
|
|
#define SRSLTE_CP_NORM_NSYMB 7
|
|
#define SRSLTE_CP_NORM_SF_NSYMB (2*SRSLTE_CP_NORM_NSYMB)
|
|
#define SRSLTE_CP_NORM_0_LEN 160
|
|
#define SRSLTE_CP_NORM_LEN 144
|
|
|
|
#define SRSLTE_CP_EXT_NSYMB 6
|
|
#define SRSLTE_CP_EXT_SF_NSYMB (2*SRSLTE_CP_EXT_NSYMB)
|
|
#define SRSLTE_CP_EXT_LEN 512
|
|
#define SRSLTE_CP_EXT_7_5_LEN 1024
|
|
|
|
#define SRSLTE_CP_ISNORM(cp) (cp==SRSLTE_CP_NORM)
|
|
#define SRSLTE_CP_ISEXT(cp) (cp==SRSLTE_CP_EXT)
|
|
#define SRSLTE_CP_NSYMB(cp) (SRSLTE_CP_ISNORM(cp)?SRSLTE_CP_NORM_NSYMB:SRSLTE_CP_EXT_NSYMB)
|
|
|
|
#define SRSLTE_CP_LEN(symbol_sz, c) ((int) ceil((((float) (c)*(symbol_sz))/2048)))
|
|
#define SRSLTE_CP_LEN_NORM(symbol, symbol_sz) ((symbol==0)?SRSLTE_CP_LEN((symbol_sz),SRSLTE_CP_NORM_0_LEN):SRSLTE_CP_LEN((symbol_sz),SRSLTE_CP_NORM_LEN))
|
|
#define SRSLTE_CP_LEN_EXT(symbol_sz) (SRSLTE_CP_LEN((symbol_sz),SRSLTE_CP_EXT_LEN))
|
|
|
|
#define SRSLTE_SLOT_LEN(symbol_sz) (symbol_sz*15/2)
|
|
#define SRSLTE_SF_LEN(symbol_sz) (symbol_sz*15)
|
|
#define SRSLTE_SF_LEN_MAX (SRSLTE_SF_LEN(SRSLTE_SYMBOL_SZ_MAX))
|
|
|
|
#define SRSLTE_SLOT_LEN_PRB(nof_prb) (SRSLTE_SLOT_LEN(srslte_symbol_sz(nof_prb)))
|
|
#define SRSLTE_SF_LEN_PRB(nof_prb) (SRSLTE_SF_LEN(srslte_symbol_sz(nof_prb)))
|
|
|
|
#define SRSLTE_SLOT_LEN_RE(nof_prb, cp) (nof_prb*SRSLTE_NRE*SRSLTE_CP_NSYMB(cp))
|
|
#define SRSLTE_SF_LEN_RE(nof_prb, cp) (2*SRSLTE_SLOT_LEN_RE(nof_prb, cp))
|
|
|
|
#define SRSLTE_TA_OFFSET (10e-6)
|
|
|
|
#define SRSLTE_LTE_TS 1.0/(15000.0*2048)
|
|
|
|
#define SRSLTE_SLOT_IDX_CPNORM(symbol_idx, symbol_sz) (symbol_idx==0?0:(symbol_sz + SRSLTE_CP_LEN(symbol_sz, SRSLTE_CP_NORM_0_LEN) + \
|
|
(symbol_idx-1)*(symbol_sz+SRSLTE_CP_LEN(symbol_sz, SRSLTE_CP_NORM_LEN))))
|
|
#define SRSLTE_SLOT_IDX_CPEXT(idx, symbol_sz) (idx*(symbol_sz+SRSLTE_CP(symbol_sz, SRSLTE_CP_EXT_LEN)))
|
|
|
|
#define SRSLTE_RE_IDX(nof_prb, symbol_idx, sample_idx) ((symbol_idx)*(nof_prb)*(SRSLTE_NRE) + sample_idx)
|
|
|
|
#define SRSLTE_RS_VSHIFT(cell_id) (cell_id%6)
|
|
|
|
#define SRSLTE_GUARD_RE(nof_prb) ((srslte_symbol_sz(nof_prb)-nof_prb*SRSLTE_NRE)/2)
|
|
|
|
#define SRSLTE_SYMBOL_HAS_REF(l, cp, nof_ports) ((l == 1 && nof_ports == 4) \
|
|
|| l == 0 \
|
|
|| l == SRSLTE_CP_NSYMB(cp) - 3)
|
|
|
|
|
|
#define SRSLTE_NOF_LTE_BANDS 38
|
|
|
|
#define SRSLTE_DEFAULT_MAX_FRAMES_PBCH 500
|
|
#define SRSLTE_DEFAULT_MAX_FRAMES_PSS 10
|
|
#define SRSLTE_DEFAULT_NOF_VALID_PSS_FRAMES 10
|
|
|
|
|
|
typedef enum SRSLTE_API {
|
|
SRSLTE_PHICH_NORM = 0,
|
|
SRSLTE_PHICH_EXT
|
|
} srslte_phich_length_t;
|
|
|
|
typedef enum SRSLTE_API {
|
|
SRSLTE_PHICH_R_1_6 = 0,
|
|
SRSLTE_PHICH_R_1_2,
|
|
SRSLTE_PHICH_R_1,
|
|
SRSLTE_PHICH_R_2
|
|
|
|
} srslte_phich_resources_t;
|
|
|
|
typedef enum {
|
|
SRSLTE_RNTI_USER = 0,
|
|
SRSLTE_RNTI_SI,
|
|
SRSLTE_RNTI_RAR,
|
|
SRSLTE_RNTI_TEMP,
|
|
SRSLTE_RNTI_SPS,
|
|
SRSLTE_RNTI_PCH,
|
|
SRSLTE_RNTI_NOF_TYPES
|
|
} srslte_rnti_type_t;
|
|
|
|
typedef struct SRSLTE_API {
|
|
uint32_t nof_prb;
|
|
uint32_t nof_ports;
|
|
uint32_t id;
|
|
srslte_cp_t cp;
|
|
srslte_phich_length_t phich_length;
|
|
srslte_phich_resources_t phich_resources;
|
|
}srslte_cell_t;
|
|
|
|
typedef enum SRSLTE_API {
|
|
SRSLTE_MIMO_TYPE_SINGLE_ANTENNA,
|
|
SRSLTE_MIMO_TYPE_TX_DIVERSITY,
|
|
SRSLTE_MIMO_TYPE_SPATIAL_MULTIPLEX,
|
|
SRSLTE_MIMO_TYPE_CDD
|
|
} srslte_mimo_type_t;
|
|
|
|
typedef enum SRSLTE_API {
|
|
SRSLTE_MOD_BPSK = 0,
|
|
SRSLTE_MOD_QPSK,
|
|
SRSLTE_MOD_16QAM,
|
|
SRSLTE_MOD_64QAM
|
|
} srslte_mod_t;
|
|
|
|
typedef struct SRSLTE_API {
|
|
int id;
|
|
float fd;
|
|
} srslte_earfcn_t;
|
|
|
|
enum band_geographical_area {
|
|
SRSLTE_BAND_GEO_AREA_ALL,
|
|
SRSLTE_BAND_GEO_AREA_NAR,
|
|
SRSLTE_BAND_GEO_AREA_APAC,
|
|
SRSLTE_BAND_GEO_AREA_EMEA,
|
|
SRSLTE_BAND_GEO_AREA_JAPAN,
|
|
SRSLTE_BAND_GEO_AREA_CALA,
|
|
SRSLTE_BAND_GEO_AREA_NA
|
|
};
|
|
|
|
SRSLTE_API bool srslte_cell_isvalid(srslte_cell_t *cell);
|
|
|
|
SRSLTE_API void srslte_cell_fprint(FILE *stream,
|
|
srslte_cell_t *cell,
|
|
uint32_t sfn);
|
|
|
|
SRSLTE_API bool srslte_cellid_isvalid(uint32_t cell_id);
|
|
|
|
SRSLTE_API bool srslte_nofprb_isvalid(uint32_t nof_prb);
|
|
|
|
SRSLTE_API bool srslte_sfidx_isvalid(uint32_t sf_idx);
|
|
|
|
SRSLTE_API bool srslte_portid_isvalid(uint32_t port_id);
|
|
|
|
SRSLTE_API bool srslte_N_id_2_isvalid(uint32_t N_id_2);
|
|
|
|
SRSLTE_API bool srslte_N_id_1_isvalid(uint32_t N_id_1);
|
|
|
|
SRSLTE_API bool srslte_symbol_sz_isvalid(uint32_t symbol_sz);
|
|
|
|
SRSLTE_API int srslte_symbol_sz(uint32_t nof_prb);
|
|
|
|
SRSLTE_API int srslte_symbol_sz_power2(uint32_t nof_prb);
|
|
|
|
SRSLTE_API int srslte_nof_prb(uint32_t symbol_sz);
|
|
|
|
SRSLTE_API int srslte_sampling_freq_hz(uint32_t nof_prb);
|
|
|
|
SRSLTE_API void srslte_use_standard_symbol_size(bool enabled);
|
|
|
|
SRSLTE_API uint32_t srslte_re_x_prb(uint32_t ns,
|
|
uint32_t symbol,
|
|
uint32_t nof_ports,
|
|
uint32_t nof_symbols);
|
|
|
|
SRSLTE_API uint32_t srslte_voffset(uint32_t symbol_id,
|
|
uint32_t cell_id,
|
|
uint32_t nof_ports);
|
|
|
|
SRSLTE_API int srslte_group_hopping_f_gh(uint32_t f_gh[SRSLTE_NSLOTS_X_FRAME],
|
|
uint32_t cell_id);
|
|
|
|
SRSLTE_API uint32_t srslte_N_ta_new_rar(uint32_t ta);
|
|
|
|
SRSLTE_API uint32_t srslte_N_ta_new(uint32_t N_ta_old,
|
|
uint32_t ta);
|
|
|
|
SRSLTE_API char *srslte_cp_string(srslte_cp_t cp);
|
|
|
|
SRSLTE_API srslte_mod_t srslte_str2mod (char * mod_str);
|
|
|
|
SRSLTE_API char *srslte_mod_string(srslte_mod_t mod);
|
|
|
|
SRSLTE_API uint32_t srslte_mod_bits_x_symbol(srslte_mod_t mod);
|
|
|
|
SRSLTE_API int srslte_band_get_band(uint32_t dl_earfcn);
|
|
|
|
SRSLTE_API float srslte_band_fd(uint32_t dl_earfcn);
|
|
|
|
SRSLTE_API float srslte_band_fu(uint32_t ul_earfcn);
|
|
|
|
SRSLTE_API uint32_t srslte_band_ul_earfcn(uint32_t dl_earfcn);
|
|
|
|
SRSLTE_API int srslte_band_get_fd_band(uint32_t band,
|
|
srslte_earfcn_t *earfcn,
|
|
int earfcn_start,
|
|
int earfcn_end,
|
|
uint32_t max_elems);
|
|
|
|
SRSLTE_API int srslte_band_get_fd_band_all(uint32_t band,
|
|
srslte_earfcn_t *earfcn,
|
|
uint32_t max_nelems);
|
|
|
|
SRSLTE_API int srslte_band_get_fd_region(enum band_geographical_area region,
|
|
srslte_earfcn_t *earfcn,
|
|
uint32_t max_elems);
|
|
|
|
SRSLTE_API int srslte_str2mimotype(char *mimo_type_str,
|
|
srslte_mimo_type_t *type);
|
|
|
|
SRSLTE_API uint32_t srslte_tti_interval(uint32_t tti1,
|
|
uint32_t tti2);
|
|
|
|
#endif
|