134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2014 The libLTE Developers. See the
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* COPYRIGHT file at the top-level directory of this distribution.
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*
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* \section LICENSE
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*
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* This file is part of the libLTE library.
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*
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* libLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* libLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* A copy of the GNU Lesser General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef _LTEBASE_
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#define _LTEBASE_
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#include "lte/config.h"
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#define NSUBFRAMES_X_FRAME 10
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#define NSLOTS_X_FRAME (2*NSUBFRAMES_X_FRAME)
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#define LTE_NIL_SYMBOL 2
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#define MAX_PORTS 4
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#define MAX_PORTS_CTRL 4
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#define MAX_LAYERS 8
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#define MAX_CODEWORDS 2
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#define LTE_CRC24A 0x1864CFB
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#define LTE_CRC24B 0X1800063
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#define LTE_CRC16 0x11021
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#define LTE_CRC8 0x19B
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typedef enum {CPNORM, CPEXT} lte_cp_t;
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#define SIRNTI 0xFFFF
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#define PRNTI 0xFFFE
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#define MRNTI 0xFFFD
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#define MAX_NSYMB 7
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#define CPNORM_NSYMB 7
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#define CPNORM_SF_NSYMB 2*CPNORM_NSYMB
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#define CPNORM_0_LEN 160
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#define CPNORM_LEN 144
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#define CPEXT_NSYMB 6
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#define CPEXT_SF_NSYMB 2*CPEXT_NSYMB
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#define CPEXT_LEN 512
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#define CPEXT_7_5_LEN 1024
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#define CP_ISNORM(cp) (cp==CPNORM)
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#define CP_ISEXT(cp) (cp==CPEXT)
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#define CP_NSYMB(cp) (CP_ISNORM(cp)?CPNORM_NSYMB:CPEXT_NSYMB)
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#define CP(symbol_sz, c) (c*symbol_sz/2048)
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#define CP_NORM(symbol, symbol_sz) (symbol==0)?CP(symbol_sz,CPNORM_0_LEN):CP(symbol_sz,CPNORM_LEN)
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#define CP_EXT(symbol_sz) CP(symbol_sz,CPEXT_LEN)
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#define SLOT_LEN_CPNORM(symbol_sz) (symbol_sz+CP(symbol_sz,CPNORM_0_LEN)+(CPNORM_NSYMB-1)*(symbol_sz+CP(symbol_sz,CPNORM_LEN)))
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#define SLOT_LEN_CPEXT(symbol_sz) (CPEXT_NSYMB*(symbol_sz+CP(symbol_sz, CPEXT_LEN)))
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#define SLOT_LEN(symbol_sz, cp) CP_ISNORM(cp)?SLOT_LEN_CPNORM(symbol_sz):SLOT_LEN_CPEXT(symbol_sz)
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#define SF_LEN_CPNORM(symbol_sz) 2*SLOT_LEN_CPNORM(symbol_sz)
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#define SF_LEN_CPEXT(symbol_sz) 2*SLOT_LEN_CPEXT(symbol_sz)
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#define SF_LEN(symbol_sz, cp) 2*SLOT_LEN(cp, symbol_sz)
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#define SLOT_IDX_CPNORM(idx, symbol_sz) (idx==0?(CP(symbol_sz, CPNORM_0_LEN)):(CP(symbol_sz, CPNORM_0_LEN)+idx*(symbol_sz+CP(symbol_sz, CPNORM_LEN))))
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#define SLOT_IDX_CPEXT(idx, symbol_sz) (idx*(symbol_sz+CP(symbol_sz, CPEXT_LEN)))
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#define MAX_PRB 110
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#define RE_X_RB 12
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#define RS_VSHIFT(cell_id) (cell_id%6)
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#define GUARD_RE(nof_prb) ((lte_symbol_sz(nof_prb)-nof_prb*RE_X_RB)/2)
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#define SAMPLE_IDX(nof_prb, symbol_idx, sample_idx) (symbol_idx*nof_prb*RE_X_RB + sample_idx)
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LIBLTE_API const int lte_symbol_sz(int nof_prb);
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LIBLTE_API int lte_re_x_prb(int ns, int symbol, int nof_ports, int nof_symbols);
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LIBLTE_API int lte_voffset(int symbol_id, int cell_id, int nof_ports);
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#define NOF_LTE_BANDS 29
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#define NOF_TC_CB_SIZES 188
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typedef enum {
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SINGLE_ANTENNA,TX_DIVERSITY, SPATIAL_MULTIPLEX
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} lte_mimo_type_t;
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typedef enum { PHICH_NORM, PHICH_EXT} phich_length_t;
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typedef enum { R_1_6, R_1_2, R_1, R_2} phich_resources_t;
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typedef struct LIBLTE_API{
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int id;
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float fd;
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}lte_earfcn_t;
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enum band_geographical_area {
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ALL, NAR, APAC, EMEA, JAPAN, CALA, NA
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};
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LIBLTE_API int lte_cb_size(int index);
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LIBLTE_API int lte_find_cb_index(int long_cb);
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LIBLTE_API float lte_band_fd(int earfcn);
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LIBLTE_API int lte_band_get_fd_band(int band, lte_earfcn_t *earfcn, int earfcn_start, int earfcn_end, int max_elems);
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LIBLTE_API int lte_band_get_fd_band_all(int band, lte_earfcn_t *earfcn, int max_nelems);
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LIBLTE_API int lte_band_get_fd_region(enum band_geographical_area region, lte_earfcn_t *earfcn, int max_elems);
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LIBLTE_API int lte_str2mimotype(char *mimo_type_str, lte_mimo_type_t *type);
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LIBLTE_API char *lte_mimotype2str(lte_mimo_type_t type);
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#endif
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