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ofdm_cyclic_prefix_remover_cvc.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2014 Communications Engineering Lab, KIT.
4  *
5  * This is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3, or (at your option)
8  * any later version.
9  *
10  * This software is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this software; see the file COPYING. If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 
22 #ifndef INCLUDED_RADAR_OFDM_CYCLIC_PREFIX_REMOVER_CVC_H
23 #define INCLUDED_RADAR_OFDM_CYCLIC_PREFIX_REMOVER_CVC_H
24 
25 #include <radar/api.h>
26 #include <gnuradio/tagged_stream_block.h>
27 
28 namespace gr {
29  namespace radar {
30 
31  /*!
32  * \brief This block removes the cyclic prefix of a OFDM signal by cut away the cyclic prefix data. cp_len gives the length of the cyclic prefix. fft_len represents the length of the data before the cyclic prefix.
33  *
34  * \param fft_len Length of FFT
35  * \param cp_len Length of cyclic prefix
36  * \param len_key Packet length key for tagged stream
37  *
38  * \ingroup radar
39  *
40  */
41  class RADAR_API ofdm_cyclic_prefix_remover_cvc : virtual public gr::tagged_stream_block
42  {
43  public:
44  typedef boost::shared_ptr<ofdm_cyclic_prefix_remover_cvc> sptr;
45 
46  /*!
47  * \brief Return a shared_ptr to a new instance of radar::ofdm_cyclic_prefix_remover_cvc.
48  *
49  * To avoid accidental use of raw pointers, radar::ofdm_cyclic_prefix_remover_cvc's
50  * constructor is in a private implementation
51  * class. radar::ofdm_cyclic_prefix_remover_cvc::make is the public interface for
52  * creating new instances.
53  */
54  static sptr make(int fft_len, int cp_len, std::string len_key="packet_len");
55  };
56 
57  } // namespace radar
58 } // namespace gr
59 
60 #endif /* INCLUDED_RADAR_OFDM_CYCLIC_PREFIX_REMOVER_CVC_H */
61 
boost::shared_ptr< ofdm_cyclic_prefix_remover_cvc > sptr
Definition: ofdm_cyclic_prefix_remover_cvc.h:44
#define RADAR_API
Definition: api.h:30
This block removes the cyclic prefix of a OFDM signal by cut away the cyclic prefix data...
Definition: ofdm_cyclic_prefix_remover_cvc.h:41