/** * * \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 #include #include #include #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_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 float srslte_coderate(uint32_t tbs, uint32_t nof_re); SRSLTE_API char *srslte_cp_string(srslte_cp_t cp); 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