lte-ue-phy.h

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/* -*- 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/lte-control-messages.h>
#include <ns3/lte-amc.h>
#include <ns3/lte-ue-phy-sap.h>
#include <ns3/lte-ue-cphy-sap.h>
#include <ns3/ptr.h>
#include <ns3/lte-amc.h>
#include <set>
#include <ns3/lte-ue-power-control.h>


namespace ns3 {

class PacketBurst;
class LteEnbPhy;
class LteHarqPhy;


class LteUePhy : public LtePhy
{

  friend class UeMemberLteUePhySapProvider;
  friend class MemberLteUeCphySapProvider<LteUePhy>;

public:
  enum State
  {
    CELL_SEARCH = 0,
    SYNCHRONIZED,
    NUM_STATES
  };

  LteUePhy ();

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

  virtual ~LteUePhy ();

  // inherited from Object
  static TypeId GetTypeId (void);
  virtual void DoInitialize (void);
  virtual void DoDispose (void);

  LteUePhySapProvider* GetLteUePhySapProvider ();

  void SetLteUePhySapUser (LteUePhySapUser* s);

  LteUeCphySapProvider* GetLteUeCphySapProvider ();

  void SetLteUeCphySapUser (LteUeCphySapUser* s);


  void SetTxPower (double pow);

  double GetTxPower () const;

  Ptr<LteUePowerControl> GetUplinkPowerControl () const;

  void SetNoiseFigure (double nf);

  double GetNoiseFigure () const;

  uint8_t GetMacChDelay (void) const;

  Ptr<LteSpectrumPhy> GetDlSpectrumPhy () const;

  Ptr<LteSpectrumPhy> GetUlSpectrumPhy () const;

  virtual Ptr<SpectrumValue> CreateTxPowerSpectralDensity ();

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

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

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



  // inherited from LtePhy
  virtual void GenerateCtrlCqiReport (const SpectrumValue& sinr);
  virtual void GenerateDataCqiReport (const SpectrumValue& sinr);
  virtual void GenerateMixedCqiReport (const SpectrumValue& sinr);
  virtual void ReportInterference (const SpectrumValue& interf);
  virtual void ReportDataInterference (const SpectrumValue& interf);
  virtual void ReportRsReceivedPower (const SpectrumValue& power);

  // callbacks for LteSpectrumPhy
  virtual void ReceiveLteControlMessageList (std::list<Ptr<LteControlMessage> >);
  virtual void ReceivePss (uint16_t cellId, Ptr<SpectrumValue> p);



  void PhyPduReceived (Ptr<Packet> p);


  void SubframeIndication (uint32_t frameNo, uint32_t subframeNo);


  void SendSrs ();

  virtual void ReceiveLteDlHarqFeedback (DlInfoListElement_s mes);

  void SetHarqPhyModule (Ptr<LteHarqPhy> harq);

  State GetState () const;



private:

  void SetTxMode1Gain (double gain);
  void SetTxMode2Gain (double gain);
  void SetTxMode3Gain (double gain);
  void SetTxMode4Gain (double gain);
  void SetTxMode5Gain (double gain);
  void SetTxMode6Gain (double gain);
  void SetTxMode7Gain (double gain);
  void SetTxModeGain (uint8_t txMode, double gain);

  void QueueSubChannelsForTransmission (std::vector <int> rbMap);

  void ReportUeMeasurements ();

  void SwitchToState (State s);

  // UE CPHY SAP methods
  void DoReset ();
  void DoStartCellSearch (uint16_t dlEarfcn);
  void DoSynchronizeWithEnb (uint16_t cellId);
  void DoSynchronizeWithEnb (uint16_t cellId, uint16_t dlEarfcn);
  void DoSetDlBandwidth (uint8_t ulBandwidth);
  void DoConfigureUplink (uint16_t ulEarfcn, uint8_t ulBandwidth);
  void DoConfigureReferenceSignalPower (int8_t referenceSignalPower);
  void DoSetRnti (uint16_t rnti);
  void DoSetTransmissionMode (uint8_t txMode);
  void DoSetSrsConfigurationIndex (uint16_t srcCi);

  // UE PHY SAP methods 
  virtual void DoSendMacPdu (Ptr<Packet> p);
  virtual void DoSendLteControlMessage (Ptr<LteControlMessage> msg);
  virtual void DoSendRachPreamble (uint32_t prachId, uint32_t raRnti);

  std::vector <int> m_subChannelsForTransmission;
  std::vector <int> m_subChannelsForReception;

  std::vector< std::vector <int> > m_subChannelsForTransmissionQueue;


  Ptr<LteAmc> m_amc;

  bool m_enableUplinkPowerControl;
  Ptr<LteUePowerControl> m_powerControl;

  Time m_p10CqiPeriocity; 
  Time m_p10CqiLast;

  // NOTE defines a periodicity for academic studies
  Time m_a30CqiPeriocity;
  Time m_a30CqiLast;

  LteUePhySapProvider* m_uePhySapProvider;
  LteUePhySapUser* m_uePhySapUser;

  LteUeCphySapProvider* m_ueCphySapProvider;
  LteUeCphySapUser* m_ueCphySapUser;

  uint16_t  m_rnti;
 
  uint8_t m_transmissionMode;
  std::vector <double> m_txModeGain;

  uint16_t m_srsPeriodicity;
  uint16_t m_srsSubframeOffset;
  uint16_t m_srsConfigured;
  Time     m_srsStartTime;

  bool m_dlConfigured;
  bool m_ulConfigured;

  State m_state;
  //             cellid    rnti
  TracedCallback<uint16_t, uint16_t, State, State> m_stateTransitionTrace;

  uint8_t m_subframeNo;

  bool m_rsReceivedPowerUpdated;
  SpectrumValue m_rsReceivedPower;

  bool m_rsInterferencePowerUpdated;
  SpectrumValue m_rsInterferencePower;

  bool m_dataInterferencePowerUpdated;
  SpectrumValue m_dataInterferencePower;

  bool m_pssReceived;
  struct PssElement
  {
    uint16_t cellId;
    double pssPsdSum;
    uint16_t nRB;
  };
  std::list <PssElement> m_pssList;

  double m_pssReceptionThreshold; // on RSRQ [W]

  struct UeMeasurementsElement
  {
    double rsrpSum;
    uint8_t rsrpNum;
    double rsrqSum;
    uint8_t rsrqNum;
  };

  std::map <uint16_t, UeMeasurementsElement> m_ueMeasurementsMap;
  Time m_ueMeasurementsFilterPeriod;
  Time m_ueMeasurementsFilterLast;

  Ptr<LteHarqPhy> m_harqPhyModule;

  uint32_t m_raPreambleId;
  uint32_t m_raRnti;

  TracedCallback<uint16_t, uint16_t, double, double> m_reportCurrentCellRsrpSinrTrace;
  uint16_t m_rsrpSinrSamplePeriod;
  uint16_t m_rsrpSinrSampleCounter;

  TracedCallback<uint16_t, uint16_t, double, double, bool> m_reportUeMeasurements;

  EventId m_sendSrsEvent;

  TracedCallback<PhyTransmissionStatParameters> m_ulPhyTransmission;

};


}

#endif /* LTE_UE_PHY_H */