1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* -*- c++ -*- */
/*
* Copyright 2015 Free Software Foundation, Inc.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_DTV_DVBT_INNER_CODER_H
#define INCLUDED_DTV_DVBT_INNER_CODER_H
#include <gnuradio/dtv/api.h>
#include <gnuradio/block.h>
#include <gnuradio/dtv/dvb_config.h>
#include <gnuradio/dtv/dvbt_config.h>
namespace gr {
namespace dtv {
/*!
* \brief Inner coder with Puncturing.
* \ingroup dtv
*
* ETSI EN 300 744 Clause 4.3.3 \n
* Mother convolutional code with rate 1/2. \n
* k=1, n=2, K=6. \n
* Generator polynomial G1=171(OCT), G2=133(OCT). \n
* Punctured to obtain rates of 2/3, 3/4, 5/6, 7/8. \n
* Data Input format: Packed bytes (each bit is data). \n
* MSB - first, LSB last. \n
* Data Output format: \n
* 000000X0X1 - QPSK. \n
* 0000X0X1X2X3 - 16QAM. \n
* 00X0X1X2X3X4X5 - 64QAM.
*/
class DTV_API dvbt_inner_coder : virtual public block
{
public:
typedef boost::shared_ptr<dvbt_inner_coder> sptr;
/*!
* \brief Create an Inner coder with Puncturing.
*
* \param ninput length of input. \n
* \param noutput lenght of output. \n
* \param constellation type of constellation. \n
* \param hierarchy type of hierarchy used. \n
* \param coderate coderate used.
*/
static sptr make(int ninput, int noutput, dvb_constellation_t constellation, dvbt_hierarchy_t hierarchy, dvb_code_rate_t coderate);
};
} // namespace dtv
} // namespace gr
#endif /* INCLUDED_DTV_DVBT_INNER_CODER_H */
|
