GNU Radio Manual and C++ API Reference  3.7.13.4
The Free & Open Software Radio Ecosystem
ofdm_mapper_bcv.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006,2007,2011,2012 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
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22 
23 #ifndef INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H
24 #define INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H
25 
26 #include <gnuradio/digital/api.h>
27 #include <gnuradio/sync_block.h>
28 #include <gnuradio/msg_queue.h>
29 
30 namespace gr {
31  namespace digital {
32 
33  /*!
34  * \brief take a stream of bytes in and map to a vector of complex
35  * constellation points suitable for IFFT input to be used in an
36  * ofdm modulator.
37  * \ingroup ofdm_blk
38  * \ingroup deprecated_blk
39  *
40  * \details
41  * Abstract class must be subclassed with specific mapping.
42  */
43  class DIGITAL_API ofdm_mapper_bcv : virtual public sync_block
44  {
45  public:
46  // gr::digital::ofdm_mapper_bcv::sptr
47  typedef boost::shared_ptr<ofdm_mapper_bcv> sptr;
48 
49  /*!
50  * Make an OFDM mapper block.
51  *
52  * \param constellation vector of OFDM carrier symbols in complex space
53  * \param msgq_limit limit on number of messages the queue can store
54  * \param occupied_carriers The number of subcarriers with data in the received symbol
55  * \param fft_length The size of the FFT vector (occupied_carriers + unused carriers)
56  */
57  static sptr make(const std::vector<gr_complex> &constellation,
58  unsigned msgq_limit,
59  unsigned occupied_carriers,
60  unsigned int fft_length);
61 
62  virtual msg_queue::sptr msgq() const = 0;
63  };
64 
65  } /* namespace digital */
66 } /* namespace gr */
67 
68 #endif /* INCLUDED_DIGITAL_OFDM_MAPPER_BCV_H */
boost::shared_ptr< msg_queue > sptr
Definition: msg_queue.h:47
An abstracted constellation object.
Definition: constellation.h:62
#define DIGITAL_API
Definition: gr-digital/include/gnuradio/digital/api.h:30
boost::shared_ptr< ofdm_mapper_bcv > sptr
Definition: ofdm_mapper_bcv.h:47
take a stream of bytes in and map to a vector of complex constellation points suitable for IFFT input...
Definition: ofdm_mapper_bcv.h:43
Include this header to use the message passing features.
Definition: logger.h:695
synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...
Definition: sync_block.h:37