channelestim.h

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/***************************************************************************
 *                                                                         *
 *   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 SIMTHLIB_CHANNELESTIM_H
#define SIMTHLIB_CHANNELESTIM_H

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

namespace simthlib {

using namespace simth;

class Channel;

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

      // Assert that the connection setup was correct
      void assert_connections() const;
  public:
      virtual void updateInputLengths();
      virtual void updateOutputLengths();
      
      void print(std::ostream &os) const;
};

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 /* SIMTHLIB_CHANNELESTIM_H */

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