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94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/*
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* Copyright (c) 2013, Ismael Gomez-Miguelez <gomezi@tcd.ie>.
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* This file is part of OSLD-lib (http://https://github.com/ismagom/osld-lib)
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*
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* OSLD-lib 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 published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OSLD-lib 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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* You should have received a copy of the GNU Lesser General Public License
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* along with OSLD-lib. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LTEBASE_
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#define _LTEBASE_
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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 MAX_PORTS 4
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typedef enum {CPNORM, CPEXT} lte_cp_t;
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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 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_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 SF_IDX_CPEXT(idx, symbol_sz) (idx*(symbol_sz+CP(symbol_sz, CPEXT_LEN)))
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#define SLOT_IDX_CPNORM(idx, symbol_sz) (idx==0?0:symbol_sz*CPNORM_NSYMB)
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#define SLOT_IDX_CPEXT(idx, symbol_sz) (idx==0?0:symbol_sz*CPEXT_NSYMB)
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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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const int lte_symbol_sz(int nof_prb);
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int lte_re_x_prb(int ns, int symbol, int nof_ports, int nof_symbols);
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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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typedef struct {
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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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float lte_band_fd(int earfcn);
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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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int lte_band_get_fd_band_all(int band, lte_earfcn_t *earfcn, int max_nelems);
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int lte_band_get_fd_region(enum band_geographical_area region, lte_earfcn_t *earfcn, int max_elems);
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#endif
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