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.
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
11 years ago
|
/*
|
||
|
* Copyright (c) 2013, Ismael Gomez-Miguelez <gomezi@tcd.ie>.
|
||
|
* This file is part of OSLD-lib (http://https://github.com/ismagom/osld-lib)
|
||
|
*
|
||
|
* OSLD-lib is free software: you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU Lesser General Public License as published by
|
||
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
* (at your option) any later version.
|
||
|
*
|
||
|
* OSLD-lib 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 Lesser General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU Lesser General Public License
|
||
|
* along with OSLD-lib. If not, see <http://www.gnu.org/licenses/>.
|
||
|
*/
|
||
|
|
||
|
#ifndef _LTEBASE_
|
||
|
#define _LTEBASE_
|
||
|
|
||
|
#define NSUBFRAMES_X_FRAME 10
|
||
|
#define NSLOTS_X_FRAME (2*NSUBFRAMES_X_FRAME)
|
||
|
|
||
|
#define MAX_PORTS 4
|
||
|
|
||
|
typedef enum {CPNORM, CPEXT} lte_cp_t;
|
||
|
|
||
|
#define MAX_NSYMB 7
|
||
|
|
||
|
#define CPNORM_NSYMB 7
|
||
|
#define CPNORM_SF_NSYMB 2*CPNORM_NSYMB
|
||
|
#define CPNORM_0_LEN 160
|
||
|
#define CPNORM_LEN 144
|
||
|
|
||
|
#define CPEXT_NSYMB 6
|
||
|
#define CPEXT_SF_NSYMB 2*CPEXT_NSYMB
|
||
|
#define CPEXT_LEN 512
|
||
|
#define CPEXT_7_5_LEN 1024
|
||
|
|
||
|
#define CP_ISNORM(cp) (cp==CPNORM)
|
||
|
#define CP_ISEXT(cp) (cp==CPEXT)
|
||
|
#define CP_NSYMB(cp) (CP_ISNORM(cp)?CPNORM_NSYMB:CPEXT_NSYMB)
|
||
|
|
||
|
#define CP(symbol_sz, c) (c*symbol_sz/2048)
|
||
|
#define CP_NORM(symbol, symbol_sz) (symbol==0)?CP(symbol_sz,CPNORM_0_LEN):CP(symbol_sz,CPNORM_LEN)
|
||
|
#define CP_EXT(symbol_sz) CP(symbol_sz,CPEXT_LEN)
|
||
|
|
||
|
#define SLOT_LEN_CPNORM(symbol_sz) (symbol_sz+CP(symbol_sz,CPNORM_0_LEN)+(CPNORM_NSYMB-1)*(symbol_sz+CP(symbol_sz,CPNORM_LEN)))
|
||
|
#define SLOT_LEN_CPEXT(symbol_sz) (CPEXT_NSYMB*(symbol_sz+CP(symbol_sz, CPEXT_LEN)))
|
||
|
|
||
|
#define SF_LEN_CPNORM(symbol_sz) 2*SLOT_LEN_CPNORM(symbol_sz)
|
||
|
#define SF_LEN_CPEXT(symbol_sz) 2*SLOT_LEN_CPEXT(symbol_sz)
|
||
|
|
||
|
#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))))
|
||
|
#define SF_IDX_CPEXT(idx, symbol_sz) (idx*(symbol_sz+CP(symbol_sz, CPEXT_LEN)))
|
||
|
|
||
|
#define SLOT_IDX_CPNORM(idx, symbol_sz) (idx==0?0:symbol_sz*CPNORM_NSYMB)
|
||
|
#define SLOT_IDX_CPEXT(idx, symbol_sz) (idx==0?0:symbol_sz*CPEXT_NSYMB)
|
||
|
|
||
|
#define MAX_PRB 110
|
||
|
#define RE_X_RB 12
|
||
|
|
||
|
#define RS_VSHIFT(cell_id) (cell_id%6)
|
||
|
|
||
|
#define GUARD_RE(nof_prb) ((lte_symbol_sz(nof_prb)-nof_prb*RE_X_RB)/2)
|
||
|
|
||
|
#define SAMPLE_IDX(symbol_sz, symbol_idx, sample_idx) (symbol_idx*symbol_sz + sample_idx)
|
||
|
|
||
|
const int lte_symbol_sz(int nof_prb);
|
||
|
int lte_re_x_prb(int ns, int symbol, int nof_ports, int nof_symbols);
|
||
|
int lte_voffset(int symbol_id, int cell_id, int nof_ports);
|
||
|
|
||
|
#define NOF_LTE_BANDS 29
|
||
|
|
||
|
|
||
|
typedef struct {
|
||
|
int id;
|
||
|
float fd;
|
||
|
}lte_earfcn_t;
|
||
|
|
||
|
enum band_geographical_area {
|
||
|
ALL, NAR, APAC, EMEA, JAPAN, CALA, NA
|
||
|
};
|
||
|
|
||
|
float lte_band_fd(int earfcn);
|
||
|
int lte_band_get_fd_band(int band, lte_earfcn_t *earfcn, int earfcn_start, int earfcn_end, int max_elems);
|
||
|
int lte_band_get_fd_band_all(int band, lte_earfcn_t *earfcn, int max_nelems);
|
||
|
int lte_band_get_fd_region(enum band_geographical_area region, lte_earfcn_t *earfcn, int max_elems);
|
||
|
|
||
|
|
||
|
|
||
|
#endif
|