/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Giuseppe Piro  <g.piro@poliba.it>
 */

#ifndef ENB_LTE_PHY_H
#define ENB_LTE_PHY_H


#include "lte-phy.h"

namespace ns3 {

class PacketBurst;
class LteNetDevice;

/**
 * EnbLtePhy models the physical layer for the eNodeB
 */
class EnbLtePhy : public LtePhy
{

public:
  EnbLtePhy ();

  /**
   * \brief Create the eNB phy layer
   * \param d the device where the phy layer is attached
   */
  EnbLtePhy (Ptr<LteNetDevice> d);
  virtual ~EnbLtePhy ();

  static TypeId GetTypeId (void);

  /**
   * \brief Send a burst of packet to the channel
   * \param pb a burst of packet to the channel
   */
  virtual bool SendPacket (Ptr<PacketBurst> pb);
  void DoSetDownlinkSubChannels ();

  /**
   * \brief Create the PSD for TX
   */
  virtual Ptr<SpectrumValue> CreateTxPowerSpectralDensity ();

  /**
   * \brief Calculate the channel quality for a given UE
   * \param sinr a list of computed SINR
   * \param ue the UE
   */
  void CalcChannelQualityForUe (std::vector <double> sinr, Ptr<LteSpectrumPhy> ue);

  /**
   * \brief Send the control message
   * \param msg the message to send
   */
  virtual void SendIdealControlMessage (Ptr<IdealControlMessage> msg);
  /**
   * \brief Receive the control message
   * \param msg the received message
   */
  virtual void ReceiveIdealControlMessage (Ptr<IdealControlMessage> msg);


  /**
   * \brief Start a LTE frame
   */
  void StartFrame (void);
  /**
   * \brief Start a LTE sub frame
   */
  void StartSubFrame (void);
  /**
   * \brief End a LTE sub frame
   */
  void EndSubFrame (void);
  /**
   * \brief End a LTE frame
   */
  void EndFrame (void);


private:
};


}

#endif /* ENB_PHY_H */
