channel_code.h

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#ifndef CHANNEL_CODE_H
#define CHANNEL_CODE_H

#include <itpp/base/vec.h>
#include <itpp/comm/modulator.h>


namespace itpp
{

//---------------------- BCH --------------------------------------

class Channel_Code
{
public:
  Channel_Code() {}
  virtual ~Channel_Code() {}

  virtual void encode(const bvec &uncoded_bits, bvec &coded_bits) = 0;
  virtual bvec encode(const bvec &uncoded_bits) = 0;

  virtual void decode(const bvec &codedbits, bvec &decoded_bits) = 0;
  //virtual bvec decode(const bvec &coded_bits);
  virtual bvec decode(const bvec &coded_bits) = 0;

  virtual void decode(const vec &received_signal, bvec &decoded_bits) = 0;
  //virtual bvec decode(const vec &received_signal);
  virtual bvec decode(const vec &received_signal) = 0;

  virtual double get_rate() const = 0;
};


class Dummy_Code : public Channel_Code
{
public:
  Dummy_Code() {}
  virtual ~Dummy_Code() {}

  virtual void encode(const bvec &uncoded_bits, bvec &coded_bits) { coded_bits = uncoded_bits; }
  virtual bvec encode(const bvec &uncoded_bits) { return uncoded_bits; }

  virtual void decode(const bvec &coded_bits, bvec &decoded_bits) { decoded_bits = coded_bits; }
  virtual bvec decode(const bvec &coded_bits) { return coded_bits; }

  virtual void decode(const vec &received_signal, bvec &decoded_bits) { BPSK bpsk; bpsk.demodulate_bits(received_signal, decoded_bits); }
  virtual bvec decode(const vec &received_signal) { bvec out; decode(received_signal, out); return out; }

  virtual double get_rate() const { return 1.0; }
};



} // namespace itpp

#endif // #ifndef CHANNEL_CODE_H

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