/* -*- 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>

 * Author: Marco Miozzo <mmiozzo@cttc.es>

 */

#ifndef LTE_UE_PHY_H

#define LTE_UE_PHY_H

#include <ns3/lte-phy.h>

#include <ns3/ff-mac-common.h>

#include <ns3/ideal-control-messages.h>

#include <ns3/lte-amc.h>

#include <ns3/lte-ue-phy-sap.h>

#include <ns3/ptr.h>

#include <ns3/lte-amc.h>

namespace ns3 {

class PacketBurst;

class LteNetDevice;

class LteEnbPhy;

/**

 * \ingroup lte

 *

 * The LteSpectrumPhy models the physical layer of LTE

 */

class LteUePhy : public LtePhy

{

  friend class UeMemberLteUePhySapProvider;

public:

  /**

   * @warning the default constructor should not be used

   */

  LteUePhy ();

  /**

   *

   * \param dlPhy the downlink LteSpectrumPhy instance

   * \param ulPhy the uplink LteSpectrumPhy instance

   */

  LteUePhy (Ptr<LteSpectrumPhy> dlPhy, Ptr<LteSpectrumPhy> ulPhy);

  virtual ~LteUePhy ();

  // inherited from Object

  static TypeId GetTypeId (void);

  virtual void DoStart (void);

  virtual void DoDispose (void);

  /**

   * \brief Get the PHY SAP provider

   * \return a pointer to the SAP Provider of the PHY

   */

  LteUePhySapProvider* GetLteUePhySapProvider ();

  /**

  * \brief Set the PHY SAP User

  * \param s a pointer to the PHY SAP user

  */

  void SetLteUePhySapUser (LteUePhySapUser* s);

  /**

   * \param pw the transmission power in dBm

   */

  void SetTxPower (double pow);

  /**

   * \return the transmission power in dBm

   */

  double GetTxPower () const;

  /**

   * \param pw the noise figure in dB

   */

  void SetNoiseFigure (double pow);

  /**

   * \return the noise figure in dB

   */

  double GetNoiseFigure () const;

  /**

   * \brief Queue the MAC PDU to be sent

   * \param p the MAC PDU to sent

   */

  virtual void DoSendMacPdu (Ptr<Packet> p);

  /**

   * \brief Create the PSD for the TX

   * \return the pointer to the PSD

   */

  virtual Ptr<SpectrumValue> CreateTxPowerSpectralDensity ();

  /**

   * \brief Update available channel for TX

   */

  virtual void DoSetUplinkSubChannels ();

  /**

   * \brief Set a list of sub channels to use in TX

   * \param mask a list of sub channels

   */

  void SetSubChannelsForTransmission (std::vector <int> mask);

  /**

   * \brief Get a list of sub channels to use in RX

   * \return a list of sub channels

   */

  std::vector <int> GetSubChannelsForTransmission (void);

  /**

   * \brief Get a list of sub channels to use in RX

   * \param mask list of sub channels

   */

  void SetSubChannelsForReception (std::vector <int> mask);

  /**

   * \brief Get a list of sub channels to use in RX

   * \return a list of sub channels

   */

  std::vector <int> GetSubChannelsForReception (void);

  /**

  * \brief Create the DL CQI feedback from SINR values perceived at

  * the physical layer with the signal received from eNB

  * \param sinr SINR values vector

  */

  Ptr<DlCqiIdealControlMessage> CreateDlCqiFeedbackMessage (const SpectrumValue& sinr);

  // inherited from LtePhy

  virtual void DoSendIdealControlMessage (Ptr<IdealControlMessage> msg);

  virtual void ReceiveIdealControlMessage (Ptr<IdealControlMessage> msg);

  /**

   * \brief PhySpectrum received a new PHY-PDU

   */

  void PhyPduReceived (Ptr<Packet> p);

  /**

  * \brief trigger from eNB the start from a new frame

  *

  * \param frameNo frame number

  * \param subframeNo subframe number

  */

  void SubframeIndication (uint32_t frameNo, uint32_t subframeNo);

  /**

  * \param rnti the rnti assigned to the UE

  */

  void SetRnti (uint16_t rnti);

  /**

   * set the cellId of the eNb this PHY is synchronized with

   *

   * \param cellId the cell identifier of the eNB

   */

  void SetEnbCellId (uint16_t cellId);

private:

  std::vector <int> m_subChannelsForTransmission;

  std::vector <int> m_subChannelsForReception;

  Ptr<LteAmc> m_amc;

  Time m_p10CqiPeriocity; /**< Wideband Periodic CQI: 2, 5, 10, 16, 20, 32, 40, 64, 80 or 160 ms */

  Time m_p10CqiLast;

  /**< SubBand Aperiodic CQI: activated by  DCI format 0 or Random Access Response Grant */

  // NOTE defines a periodicity for academic studies

  Time m_a30CqiPeriocity;

  Time m_a30CqiLast;

  LteUePhySapProvider* m_uePhySapProvider;

  LteUePhySapUser* m_uePhySapUser;

  uint16_t  m_rnti;

  uint16_t m_enbCellId;

};

}

#endif /* LTE_UE_PHY_H */