lte-ue-phy.h

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/*
 * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari
 * Copyright (c) 2018 Fraunhofer ESK : RLF extensions
 *
 * 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>
 * Modified by:
 *          Vignesh Babu <ns3-dev@esk.fraunhofer.de> (RLF extensions)
 */
 
#ifndef LTE_UE_PHY_H
#define LTE_UE_PHY_H
 
#include <ns3/ff-mac-common.h>
#include <ns3/lte-amc.h>
#include <ns3/lte-control-messages.h>
#include <ns3/lte-phy.h>
#include <ns3/lte-ue-cphy-sap.h>
#include <ns3/lte-ue-phy-sap.h>
#include <ns3/lte-ue-power-control.h>
#include <ns3/ptr.h>
 
#include <set>
 
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);
 
    ~LteUePhy() override;
 
    static TypeId GetTypeId();
    // inherited from Object
    void DoInitialize() override;
    void DoDispose() override;
 
    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() const;
 
    Ptr<LteSpectrumPhy> GetDlSpectrumPhy() const;
 
    Ptr<LteSpectrumPhy> GetUlSpectrumPhy() const;
 
    Ptr<SpectrumValue> CreateTxPowerSpectralDensity() override;
 
    void SetSubChannelsForTransmission(std::vector<int> mask);
    std::vector<int> GetSubChannelsForTransmission();
 
    void SetSubChannelsForReception(std::vector<int> mask);
    std::vector<int> GetSubChannelsForReception();
 
    Ptr<DlCqiLteControlMessage> CreateDlCqiFeedbackMessage(const SpectrumValue& sinr);
 
    // inherited from LtePhy
    void GenerateCtrlCqiReport(const SpectrumValue& sinr) override;
    void GenerateDataCqiReport(const SpectrumValue& sinr) override;
    virtual void GenerateMixedCqiReport(const SpectrumValue& sinr);
    void ReportInterference(const SpectrumValue& interf) override;
    virtual void ReportDataInterference(const SpectrumValue& interf);
    void ReportRsReceivedPower(const SpectrumValue& power) override;
 
    // callbacks for LteSpectrumPhy
    virtual void ReceiveLteControlMessageList(std::list<Ptr<LteControlMessage>> msgList);
    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 EnqueueDlHarqFeedback(DlInfoListElement_s mes);
 
    void SetHarqPhyModule(Ptr<LteHarqPhy> harq);
 
    State GetState() const;
 
    typedef void (*StateTracedCallback)(uint16_t cellId,
                                        uint16_t rnti,
                                        State oldState,
                                        State newState);
 
    typedef void (*RsrpSinrTracedCallback)(uint16_t cellId,
                                           uint16_t rnti,
                                           double rsrp,
                                           double sinr,
                                           uint8_t componentCarrierId);
 
    typedef void (*RsrpRsrqTracedCallback)(uint16_t rnti,
                                           uint16_t cellId,
                                           double rsrp,
                                           double rsrq,
                                           bool isServingCell,
                                           uint8_t componentCarrierId);
 
    typedef void (*UlPhyResourceBlocksTracedCallback)(uint16_t rnti, const std::vector<int>& rbs);
 
    typedef void (*PowerSpectralDensityTracedCallback)(uint16_t rnti, Ptr<SpectrumValue> psd);
 
  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 GenerateCqiRsrpRsrq(const SpectrumValue& sinr);
    void ReportUeMeasurements();
    void SetDownlinkCqiPeriodicity(Time cqiPeriodicity);
    void SwitchToState(State s);
    void SetNumQoutEvalSf(uint16_t numSubframes);
    void SetNumQinEvalSf(uint16_t numSubframes);
    uint16_t GetNumQoutEvalSf() const;
    uint16_t GetNumQinEvalSf() const;
 
    // UE CPHY SAP methods
    void DoReset();
    void DoStartCellSearch(uint32_t dlEarfcn);
    void DoSynchronizeWithEnb(uint16_t cellId);
    void DoSynchronizeWithEnb(uint16_t cellId, uint32_t dlEarfcn);
    uint16_t DoGetCellId();
    uint32_t DoGetDlEarfcn();
    void DoSetDlBandwidth(uint16_t dlBandwidth);
    void DoConfigureUplink(uint32_t ulEarfcn, uint16_t ulBandwidth);
    void DoConfigureReferenceSignalPower(int8_t referenceSignalPower);
    void DoSetRnti(uint16_t rnti);
    void DoSetTransmissionMode(uint8_t txMode);
    void DoSetSrsConfigurationIndex(uint16_t srcCi);
    void DoSetPa(double pa);
    void DoResetPhyAfterRlf();
    void DoResetRlfParams();
 
    void DoStartInSnycDetection();
 
    void RlfDetection(double sinrdB);
    void InitializeRlfParams();
    void DoSetImsi(uint64_t imsi);
    void DoSetRsrpFilterCoefficient(uint8_t rsrpFilterCoefficient);
    double ComputeAvgSinr(const SpectrumValue& sinr);
 
    // UE PHY SAP methods
    void DoSendMacPdu(Ptr<Packet> p) override;
    virtual void DoSendLteControlMessage(Ptr<LteControlMessage> msg);
    virtual void DoSendRachPreamble(uint32_t prachId, uint32_t raRnti);
    virtual void DoNotifyConnectionSuccessful();
 
    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_p10CqiPeriodicity;
    Time m_p10CqiLast; 
 
    Time m_a30CqiPeriodicity;
    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;          
 
    double m_paLinear; 
 
    bool m_dlConfigured; 
    bool m_ulConfigured; 
 
    State m_state;
    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;
 
    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, uint8_t> m_reportCurrentCellRsrpSinrTrace;
    uint16_t m_rsrpSinrSamplePeriod;
    uint16_t m_rsrpSinrSampleCounter;
 
    TracedCallback<uint16_t, uint16_t, double, double, bool, uint8_t> m_reportUeMeasurements;
 
    EventId m_sendSrsEvent; 
 
    TracedCallback<PhyTransmissionStatParameters> m_ulPhyTransmission;
 
    TracedCallback<uint16_t, const std::vector<int>&> m_reportUlPhyResourceBlocks;
 
    TracedCallback<uint16_t, Ptr<SpectrumValue>> m_reportPowerSpectralDensity;
 
    Ptr<SpectrumValue> m_noisePsd; 
 
    bool m_isConnected; 
    double m_qIn;
 
    double m_qOut;
 
    uint16_t m_numOfQoutEvalSf; 
    uint16_t m_numOfQinEvalSf;  
 
    bool m_downlinkInSync;     
    uint16_t m_numOfSubframes; 
    uint16_t m_numOfFrames;    
    double m_sinrDbFrame;      
    SpectrumValue m_ctrlSinrForRlf; 
    uint64_t m_imsi;                
    bool m_enableRlfDetection;      
 
}; // end of `class LteUePhy`
 
} // namespace ns3
 
#endif /* LTE_UE_PHY_H */