lr-wpan-phy.h

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/*
 * Copyright (c) 2011 The Boeing Company
 *
 * 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:
 *  Gary Pei <guangyu.pei@boeing.com>
 *  Sascha Alexander Jopen <jopen@cs.uni-bonn.de>
 */
#ifndef LR_WPAN_PHY_H
#define LR_WPAN_PHY_H
 
#include "lr-wpan-interference-helper.h"
 
#include <ns3/event-id.h>
#include <ns3/spectrum-phy.h>
#include <ns3/traced-callback.h>
#include <ns3/traced-value.h>
 
namespace ns3
{
 
class Packet;
class SpectrumValue;
class LrWpanErrorModel;
struct LrWpanSpectrumSignalParameters;
class MobilityModel;
class SpectrumChannel;
class SpectrumModel;
class AntennaModel;
class NetDevice;
class UniformRandomVariable;
class ErrorModel;
 
typedef struct
{
    double averagePower;    
    Time lastUpdate;        
    Time measurementLength; 
} LrWpanEdPower;
 
typedef struct
{
    double bitRate;    
    double symbolRate; 
} LrWpanPhyDataAndSymbolRates;
 
typedef struct
{
    double shrPreamble; 
    double shrSfd;      
    double phr;         
} LrWpanPhyPpduHeaderSymbolNumber;
 
typedef enum
{
    IEEE_802_15_4_868MHZ_BPSK,
    IEEE_802_15_4_915MHZ_BPSK,
    IEEE_802_15_4_950MHZ_BPSK,
    IEEE_802_15_4_868MHZ_ASK,
    IEEE_802_15_4_915MHZ_ASK,
    IEEE_802_15_4_780MHZ_OQPSK,
    IEEE_802_15_4_868MHZ_OQPSK,
    IEEE_802_15_4_915MHZ_OQPSK,
    IEEE_802_15_4_2_4GHZ_OQPSK,
    IEEE_802_15_4_INVALID_PHY_OPTION
} LrWpanPhyOption;
 
typedef enum
{
    IEEE_802_15_4_PHY_BUSY = 0x00,
    IEEE_802_15_4_PHY_BUSY_RX = 0x01,
    IEEE_802_15_4_PHY_BUSY_TX = 0x02,
    IEEE_802_15_4_PHY_FORCE_TRX_OFF = 0x03,
    IEEE_802_15_4_PHY_IDLE = 0x04,
    IEEE_802_15_4_PHY_INVALID_PARAMETER = 0x05,
    IEEE_802_15_4_PHY_RX_ON = 0x06,
    IEEE_802_15_4_PHY_SUCCESS = 0x07,
    IEEE_802_15_4_PHY_TRX_OFF = 0x08,
    IEEE_802_15_4_PHY_TX_ON = 0x09,
    IEEE_802_15_4_PHY_UNSUPPORTED_ATTRIBUTE = 0xa,
    IEEE_802_15_4_PHY_READ_ONLY = 0xb,
    IEEE_802_15_4_PHY_UNSPECIFIED = 0xc // all cases not covered by ieee802.15.4
} LrWpanPhyEnumeration;
 
namespace TracedValueCallback
{
typedef void (*LrWpanPhyEnumeration)(LrWpanPhyEnumeration oldValue, LrWpanPhyEnumeration newValue);
} // namespace TracedValueCallback
 
typedef enum
{
    phyCurrentChannel = 0x00,
    phyChannelsSupported = 0x01,
    phyTransmitPower = 0x02,
    phyCCAMode = 0x03,
    phyCurrentPage = 0x04,
    phyMaxFrameDuration = 0x05,
    phySHRDuration = 0x06,
    phySymbolsPerOctet = 0x07
} LrWpanPibAttributeIdentifier;
 
typedef struct
{
    uint8_t phyCurrentChannel;         
    uint32_t phyChannelsSupported[32]; 
    uint8_t phyTransmitPower; 
    uint8_t phyCCAMode;       
    uint8_t phyCurrentPage;   
    uint32_t phyMaxFrameDuration; 
    uint32_t phySHRDuration;      
    double phySymbolsPerOctet;    
} LrWpanPhyPibAttributes;
 
typedef Callback<void, uint32_t, Ptr<Packet>, uint8_t> PdDataIndicationCallback;
 
typedef Callback<void, LrWpanPhyEnumeration> PdDataConfirmCallback;
 
typedef Callback<void, LrWpanPhyEnumeration> PlmeCcaConfirmCallback;
 
typedef Callback<void, LrWpanPhyEnumeration, uint8_t> PlmeEdConfirmCallback;
 
typedef Callback<void, LrWpanPhyEnumeration, LrWpanPibAttributeIdentifier, LrWpanPhyPibAttributes*>
    PlmeGetAttributeConfirmCallback;
 
typedef Callback<void, LrWpanPhyEnumeration> PlmeSetTRXStateConfirmCallback;
 
typedef Callback<void, LrWpanPhyEnumeration, LrWpanPibAttributeIdentifier>
    PlmeSetAttributeConfirmCallback;
 
class LrWpanPhy : public SpectrumPhy
{
  public:
    static TypeId GetTypeId();
 
    static const uint32_t aMaxPhyPacketSize;
 
    static const uint32_t aTurnaroundTime;
 
    LrWpanPhy();
    ~LrWpanPhy() override;
 
    // inherited from SpectrumPhy
    void SetMobility(Ptr<MobilityModel> m) override;
    Ptr<MobilityModel> GetMobility() const override;
    void SetChannel(Ptr<SpectrumChannel> c) override;
 
    Ptr<SpectrumChannel> GetChannel();
    void SetDevice(Ptr<NetDevice> d) override;
    Ptr<NetDevice> GetDevice() const override;
 
    void SetAntenna(Ptr<AntennaModel> a);
    Ptr<Object> GetAntenna() const override;
    Ptr<const SpectrumModel> GetRxSpectrumModel() const override;
 
    void SetTxPowerSpectralDensity(Ptr<SpectrumValue> txPsd);
 
    void SetNoisePowerSpectralDensity(Ptr<const SpectrumValue> noisePsd);
 
    Ptr<const SpectrumValue> GetNoisePowerSpectralDensity();
 
    void SetPhyOption(LrWpanPhyOption phyOption);
 
    void StartRx(Ptr<SpectrumSignalParameters> params) override;
 
    void PdDataRequest(const uint32_t psduLength, Ptr<Packet> p);
 
    void PlmeCcaRequest();
 
    void CcaCancel();
 
    void PlmeEdRequest();
 
    void PlmeGetAttributeRequest(LrWpanPibAttributeIdentifier id);
 
    void PlmeSetTRXStateRequest(LrWpanPhyEnumeration state);
 
    void PlmeSetAttributeRequest(LrWpanPibAttributeIdentifier id,
                                 LrWpanPhyPibAttributes* attribute);
 
    void SetPdDataIndicationCallback(PdDataIndicationCallback c);
 
    void SetPdDataConfirmCallback(PdDataConfirmCallback c);
 
    void SetPlmeCcaConfirmCallback(PlmeCcaConfirmCallback c);
 
    void SetPlmeEdConfirmCallback(PlmeEdConfirmCallback c);
 
    void SetPlmeGetAttributeConfirmCallback(PlmeGetAttributeConfirmCallback c);
 
    void SetPlmeSetTRXStateConfirmCallback(PlmeSetTRXStateConfirmCallback c);
 
    void SetPlmeSetAttributeConfirmCallback(PlmeSetAttributeConfirmCallback c);
 
    uint8_t GetCurrentPage() const;
 
    uint8_t GetCurrentChannelNum() const;
 
    double GetDataOrSymbolRate(bool isData);
 
    void SetErrorModel(Ptr<LrWpanErrorModel> e);
 
    Ptr<LrWpanErrorModel> GetErrorModel() const;
 
    void SetPostReceptionErrorModel(const Ptr<ErrorModel> em);
 
    uint64_t GetPhySHRDuration() const;
 
    double GetPhySymbolsPerOctet() const;
 
    double GetCurrentSignalPsd();
 
    int64_t AssignStreams(int64_t stream);
 
    typedef void (*StateTracedCallback)(Time time,
                                        LrWpanPhyEnumeration oldState,
                                        LrWpanPhyEnumeration newState);
 
  protected:
    static const LrWpanPhyDataAndSymbolRates dataSymbolRates[IEEE_802_15_4_INVALID_PHY_OPTION];
    static const LrWpanPhyPpduHeaderSymbolNumber
        ppduHeaderSymbolNumbers[IEEE_802_15_4_INVALID_PHY_OPTION];
 
  private:
    typedef std::pair<Ptr<Packet>, bool> PacketAndStatus;
 
    // Inherited from Object.
    void DoInitialize() override;
    void DoDispose() override;
 
    void ChangeTrxState(LrWpanPhyEnumeration newState);
 
    LrWpanPhyOption GetMyPhyOption();
 
    void EndTx();
 
    void CheckInterference();
 
    void EndRx(Ptr<SpectrumSignalParameters> params);
 
    void CancelEd(LrWpanPhyEnumeration state);
 
    void EndEd();
 
    void EndCca();
 
    void EndSetTRXState();
 
    Time CalculateTxTime(Ptr<const Packet> packet);
 
    Time GetPpduHeaderTxTime();
 
    bool ChannelSupported(uint8_t channel);
 
    bool PageSupported(uint8_t page);
 
    bool PhyIsBusy() const;
 
    // Trace sources
    TracedCallback<Ptr<const Packet>> m_phyTxBeginTrace;
 
    TracedCallback<Ptr<const Packet>> m_phyTxEndTrace;
 
    TracedCallback<Ptr<const Packet>> m_phyTxDropTrace;
 
    TracedCallback<Ptr<const Packet>> m_phyRxBeginTrace;
 
    TracedCallback<Ptr<const Packet>, double> m_phyRxEndTrace;
 
    TracedCallback<Ptr<const Packet>> m_phyRxDropTrace;
 
    TracedCallback<Time, LrWpanPhyEnumeration, LrWpanPhyEnumeration> m_trxStateLogger;
 
    int8_t GetNominalTxPowerFromPib(uint8_t phyTransmitPower);
 
    double WToDbm(double watt);
 
    double DbmToW(double dbm);
 
    Ptr<MobilityModel> m_mobility;
 
    Ptr<NetDevice> m_device;
 
    Ptr<SpectrumChannel> m_channel;
 
    Ptr<AntennaModel> m_antenna;
 
    Ptr<SpectrumValue> m_txPsd;
 
    Ptr<const SpectrumValue> m_noise;
 
    Ptr<LrWpanErrorModel> m_errorModel;
 
    LrWpanPhyPibAttributes m_phyPIBAttributes;
 
    // State variables
    TracedValue<LrWpanPhyEnumeration> m_trxState;
 
    LrWpanPhyEnumeration m_trxStatePending;
 
    // Callbacks
    PdDataIndicationCallback m_pdDataIndicationCallback;
 
    PdDataConfirmCallback m_pdDataConfirmCallback;
 
    PlmeCcaConfirmCallback m_plmeCcaConfirmCallback;
 
    PlmeEdConfirmCallback m_plmeEdConfirmCallback;
 
    PlmeGetAttributeConfirmCallback m_plmeGetAttributeConfirmCallback;
 
    PlmeSetTRXStateConfirmCallback m_plmeSetTRXStateConfirmCallback;
 
    PlmeSetAttributeConfirmCallback m_plmeSetAttributeConfirmCallback;
 
    LrWpanPhyOption m_phyOption;
 
    LrWpanEdPower m_edPower;
 
    double m_ccaPeakPower;
 
    double m_rxSensitivity;
 
    bool m_isRxCanceled;
 
    Ptr<LrWpanInterferenceHelper> m_signal;
 
    Time m_rxLastUpdate;
 
    std::pair<Ptr<LrWpanSpectrumSignalParameters>, bool> m_currentRxPacket;
 
    PacketAndStatus m_currentTxPacket;
 
    EventId m_ccaRequest;
 
    EventId m_edRequest;
 
    EventId m_setTRXState;
 
    EventId m_pdDataRequest;
 
    Ptr<UniformRandomVariable> m_random;
 
    Ptr<ErrorModel> m_postReceptionErrorModel; 
};
 
} // namespace ns3
 
#endif /* LR_WPAN_PHY_H */