sim_cofdm_mod.hpp

/*xxx
* \brief - SIM::cofdm_mod - COFDM modulator derived from itpp::OFDM
* \author maki
*/

#ifndef COFDM_MOD_HPP
#define COFDM_MOD_HPP

#include <itpp/itbase.h>
#include <itpp/itcomm.h>

#include <complex>
#include "sim\_sim_extension.hpp"


using namespace itpp;
using namespace std;

namespace SIM
{

class cofdm_mod : public itpp::OFDM
{
private:
  int    NFFT;            
  int  CP;          
  double scale;     
  cvec carriers;    

public:
  cvec y0;            

  cofdm_mod()
  {
    NFFT = 256;
    CP = 16;
    OFDM::set_parameters(NFFT, CP, 1);
    scale = std::sqrt(static_cast<double>(NFFT + CP)) / std::sqrt(static_cast<double>(NFFT));
    y0.set_size(NFFT+CP);
    carriers.set_size(NFFT);
  };

  ~cofdm_mod() 
  { 
  };

  void set_NFFT(int n);

  void set_CP(int cp);

  void set_scale(double s);

  void set_carriers(cvec x);

  int get_NFFT();

  int get_CP();

  double get_scale();

  cvec get_carriers();

  cvec get_symbol();

  cmat process(const bvec &ce, const cmat &x);

};


}
#endif //SIM::cofdm_mod