text: //
  // Copyright (C) 2013 OpenSim Ltd.
  //
  // This program 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
  // of the License, or (at your option) any later version.
  //
  // This program 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 program; if not, see <http://www.gnu.org/licenses/>.
  //
  
  #include "inet/physicallayer/base/packetlevel/SnirReceiverBase.h"
  #include "inet/physicallayer/common/packetlevel/ReceptionDecision.h"
  #include "inet/physicallayer/contract/packetlevel/IRadioMedium.h"
  
  namespace inet {
  
  namespace physicallayer {
  
  void SnirReceiverBase::initialize(int stage)
  {
      ReceiverBase::initialize(stage);
      if (stage == INITSTAGE_LOCAL) {
          snirThreshold = math::dB2fraction(par("snirThreshold"));
          const char *snirThresholdModeString = par("snirThresholdMode");
          if (!strcmp("min", snirThresholdModeString))
              snirThresholdMode = SnirThresholdMode::STM_MIN;
          else if (!strcmp("mean", snirThresholdModeString))
              snirThresholdMode = SnirThresholdMode::STM_MEAN;
          else
              throw cRuntimeError("Unknown SNIR threshold mode: '%s'", snirThresholdModeString);
      }
  }
  
  std::ostream& SnirReceiverBase::printToStream(std::ostream& stream, int level) const
  {
      if (level <= PRINT_LEVEL_TRACE)
          stream << ", snirThreshold = " << snirThreshold;
      return stream;
  }
  
  bool SnirReceiverBase::computeIsReceptionSuccessful(const IListening *listening, const IReception *reception, IRadioSignal::SignalPart part, const IInterference *interference, const ISnir *snir) const
  {
      if (snirThresholdMode == SnirThresholdMode::STM_MIN)
          return snir->getMin() > snirThreshold;
      else if (snirThresholdMode == SnirThresholdMode::STM_MEAN)
          return snir->getMean() > snirThreshold;
      else
          throw cRuntimeError("Unknown SNIR threshold mode: '%d'", snirThresholdMode);
  }
  
  } // namespace physicallayer
  
  } // namespace inet
  
  