mimo-lsd-decoder.h

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/*-*-c++-*-*****************************************************************
                          mimo-lsd-decoder.h  -  description
                             -------------------
    begin                : Feb 2004
    copyright            : (C) 2004 by Xin Qi
    email                : 
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef MIMO_LSD_DECODER_H
#define MIMO_LSD_DECODER_H

// Mimolib includes
#include <mimo-decoder.h>

namespace mimo
{

class LsdDecoder : public mimo::Decoder
{
   private:
      double noise;
      double SNR;

   public:
      LsdDecoder(int deviceID, simth::DeviceSystemIntf* system, 
         const simth::PropertyList& pl);
      
      virtual ~LsdDecoder();

      virtual int getDataLength(int codedLength) const;
      virtual int getCodeLength(int rawLength) const;

      virtual void Decode(const CVectorSeq& input_vectors,
              const MatrixFreqSignal& channel_estimation, 
              simth::ModSeq& output_symbols,
              simth::ModSeq* output_softout);

      virtual void decodeOut(CVector& invec,
                 CMatrix& IsIMatrix, CVector& alpha);

      virtual CMatrix calcGmmse(CMatrix& IsIMatrix, CMatrix& Lambda);

      void setSNR(double snr);
};



} // namespace

#endif // MIMO_LSD_DECODER_H

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