spread.h

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#ifndef SPREAD_H
#define SPREAD_H
 
#include <itpp/base/vec.h>
#include <itpp/base/mat.h>
#include <itpp/itexports.h>
 
namespace itpp
{

class ITPP_EXPORT Spread_1d
{
public:
  Spread_1d() { }
  Spread_1d(const vec &incode);
  void spread(const vec &symbols, vec &out);
  vec spread(const vec &symbols) { vec out; spread(symbols, out); return out; }
  void despread(const vec &rec_signal, vec &out, int timing);
  vec despread(const vec &rec_signal, int timing)
  { vec out; despread(rec_signal, out, timing); return out; }

  void set_code(const vec &incode);
  vec get_code();
  int get_period() { return N; }
protected:
  vec code;
  int N;
};

class ITPP_EXPORT Spread_2d
{
public:
  Spread_2d() { }
  Spread_2d(const vec &incodeI, const vec &incodeQ);
  void spread(const cvec &symbols, cvec &out);
  cvec spread(const cvec &symbols) { cvec out; spread(symbols, out); return out; }
  void despread(const cvec &rec_signal, cvec &out, int timing);
  cvec despread(const cvec &rec_signal, int timing)
  { cvec out; despread(rec_signal, out, timing); return out; }

  void set_code(const vec &incodeI, const vec &incodeQ);
  vec get_codeI();
  vec get_codeQ();
  int get_period() { return spreadI.get_period(); }
protected:
  Spread_1d spreadI, spreadQ;
};

class ITPP_EXPORT Multicode_Spread_1d
{
public:
  Multicode_Spread_1d() { }
  Multicode_Spread_1d(const mat &incodes);
  vec spread(const vec &symbols);
  vec despread(const vec &receivedsignal, int timing);
  void set_codes(const mat &incodes);
  mat get_codes();
  int get_period() { return N; }
  int get_nocodes() { return L; }
protected:
  mat codes;
  int L;
  int N;
};

class ITPP_EXPORT Multicode_Spread_2d
{
public:
  Multicode_Spread_2d() { }
  Multicode_Spread_2d(const mat &incodesI, const mat &incodesQ);
  cvec spread(const cvec &symbols);
  cvec despread(const cvec &receivedsignal, int timing);
  void set_codes(const mat &incodesI, const mat &incodesQ);
  mat get_codesI();
  mat get_codesQ();
  int get_period() { return mcspreadI.get_period(); }
protected:
  Multicode_Spread_1d mcspreadI, mcspreadQ;
};
 
} // namespace itpp
 
#endif // #ifndef SPREAD_H