channelestim.h

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/***************************************************************************
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 *   This library is free software; you can redistribute it and/or         *
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 *   Lesser General Public License for more details.                       *
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#ifndef CHANNELESTIM_H
#define CHANNELESTIM_H

#include "basicdevice.h"
#include "phbib.h"
#include "signals.h"
#include "matrixseq.h"
#include "arith.h"

namespace mimo {

using namespace simth;

class MIMOChannel;

class ChannelEstim : public Device
{
   protected:
      ChannelEstim(int deviceID, DeviceSystemIntf* system,
           const simth::PropertyList& pl);
      const size_t nr_rx;
      const size_t nr_tx;
      size_t output_length;
      const MIMOChannel* channel;

      // Assert that the connection setup was correct
      void assert_connections() const;
      void assert_matrix_dim(const mimo::CMatrix &testvec,
                 const std::string& which = "output vector")
     const;
  public:
      virtual void updateInputLengths();
      virtual void updateOutputLengths();
      
      void print(std::ostream &os) const;

      static void init(const std::string& fileName, 
               Device** dev, 
               DeviceSystemIntf* sysPtr, 
               int ID,
               const std::string& regionQualifier);

    static simth::Device *findChannel(simth::DeviceSystemIntf* sys);
};

class EstimSingleCarrier : public ChannelEstim
{
   public:
      EstimSingleCarrier(int deviceID, DeviceSystemIntf* system,
             const simth::PropertyList& pl);
      void process();
};

class EstimOFDM : public ChannelEstim
{
   private:
      double delta_f;
      unsigned num_carrier;
   public:
      EstimOFDM(int deviceID, DeviceSystemIntf* system,
        const simth::PropertyList& pl);
      void process();
};

} // namespace

#endif /* EQUALIZER_H */

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