This objects implements the PHY state machine of the Wifi device. More...

#include "wifi-phy-state-helper.h"

Inheritance diagram for ns3::WifiPhyStateHelper:

Collaboration diagram for ns3::WifiPhyStateHelper:

Public Types
typedef void(*	RxEndErrorTracedCallback) (Ptr< const Packet > packet, double snr)
	TracedCallback signature for receive end error event. More...

typedef void(*	RxOkTracedCallback) (Ptr< const Packet > packet, double snr, WifiMode mode, WifiPreamble preamble)
	TracedCallback signature for receive end ok event. More...

typedef void(*	StateTracedCallback) (Time start, Time duration, WifiPhy::State state)
	TracedCallback signature for state changes. More...

typedef void(*	TxTracedCallback) (Ptr< const Packet > packet, WifiMode mode, WifiPreamble preamble, uint8_t power)
	TracedCallback signature for transmit event. More...

Public Member Functions
	WifiPhyStateHelper ()

Time	GetDelayUntilIdle (void)
	Return the time before the state is back to IDLE. More...

Time	GetLastRxStartTime (void) const
	Return the time the last RX start. More...

enum WifiPhy::State	GetState (void)
	Return the current state of WifiPhy. More...

Time	GetStateDuration (void)
	Return the elapsed time of the current state. More...

bool	IsStateBusy (void)
	Check whether the current state is not IDLE. More...

bool	IsStateCcaBusy (void)
	Check whether the current state is CCA busy. More...

bool	IsStateIdle (void)
	Check whether the current state is IDLE. More...

bool	IsStateRx (void)
	Check whether the current state is RX. More...

bool	IsStateSleep (void)
	Check whether the current state is SLEEP. More...

bool	IsStateSwitching (void)
	Check whether the current state is SWITCHING. More...

bool	IsStateTx (void)
	Check whether the current state is TX. More...

void	RegisterListener (WifiPhyListener *listener)
	Register WifiPhyListener to this WifiPhyStateHelper. More...

void	SetReceiveErrorCallback (WifiPhy::RxErrorCallback callback)
	Set a callback for a failed reception. More...

void	SetReceiveOkCallback (WifiPhy::RxOkCallback callback)
	Set a callback for a successful reception. More...

void	SwitchFromRxEndError (Ptr< Packet > packet, double snr)
	Switch from RX after the reception failed. More...

void	SwitchFromRxEndOk (Ptr< Packet > packet, double snr, WifiTxVector txVector, enum WifiPreamble preamble)
	Switch from RX after the reception was successful. More...

void	SwitchFromSleep (Time duration)
	Switch from sleep mode. More...

void	SwitchMaybeToCcaBusy (Time duration)
	Switch to CCA busy. More...

void	SwitchToChannelSwitching (Time switchingDuration)
	Switch state to channel switching for the given duration. More...

void	SwitchToRx (Time rxDuration)
	Switch state to RX for the given duration. More...

void	SwitchToSleep (void)
	Switch to sleep mode. More...

void	SwitchToTx (Time txDuration, Ptr< const Packet > packet, double txPowerDbm, WifiTxVector txVector, WifiPreamble preamble)
	Switch state to TX for the given duration. More...

void	UnregisterListener (WifiPhyListener *listener)
	Remove WifiPhyListener from this WifiPhyStateHelper. More...

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor. More...

virtual	~Object ()
	Destructor. More...

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together. More...

void	Dispose (void)
	Dispose of this Object. More...

AggregateIterator	GetAggregateIterator (void) const
	Get an iterator to the Objects aggregated to this one. More...

virtual TypeId	GetInstanceTypeId (void) const
	Implement the GetInstanceTypeId method defined in ObjectBase. More...

template<typename T >
Ptr< T >	GetObject (void) const
	Get a pointer to the requested aggregated Object. More...

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId. More...

void	Initialize (void)
	Invoke DoInitialize on all Objects aggregated to this one. More...

bool	IsInitialized (void) const
	Check if the object has been initialized. More...

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	Constructor. More...

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor. More...

uint32_t	GetReferenceCount (void) const
	Get the reference count of the object. More...

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment. More...

void	Ref (void) const
	Increment the reference count. More...

void	Unref (void) const
	Decrement the reference count. More...

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor. More...

void	GetAttribute (std::string name, AttributeValue &value) const
	Get the value of an attribute, raising fatal errors if unsuccessful. More...

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising erros. More...

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful. More...

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors. More...

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context. More...

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context. More...

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context. More...

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context. More...

Static Public Member Functions
static TypeId	GetTypeId (void)

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId (void)
	Register this type. More...

Static Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
static void	Cleanup (void)
	Noop. More...

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId (void)
	Get the type ID. More...

Public Attributes
TracedCallback< Time, Time, enum WifiPhy::State >	m_stateLogger

Private Types
typedef std::vector< WifiPhyListener * >	Listeners
	typedef for a list of WifiPhyListeners More...

typedef std::vector< WifiPhyListener * >::iterator	ListenersI

Private Member Functions
void	DoSwitchFromRx (void)
	Switch the state from RX. More...

void	LogPreviousIdleAndCcaBusyStates (void)
	Log the ideal and CCA states. More...

void	NotifyMaybeCcaBusyStart (Time duration)
	Notify all WifiPhyListener that the CCA has started for the given duration. More...

void	NotifyRxEndError (void)
	Notify all WifiPhyListener that the reception was not successful. More...

void	NotifyRxEndOk (void)
	Notify all WifiPhyListener that the reception was successful. More...

void	NotifyRxStart (Time duration)
	Notify all WifiPhyListener that the reception has started for the given duration. More...

void	NotifySleep (void)
	Notify all WifiPhyListener that we are going to sleep. More...

void	NotifySwitchingStart (Time duration)
	Notify all WifiPhyListener that we are switching channel with the given channel switching delay. More...

void	NotifyTxStart (Time duration, double txPowerDbm)
	Notify all WifiPhyListener that the transmission has started for the given duration. More...

void	NotifyWakeup (void)
	Notify all WifiPhyListener that we woke up. More...

Private Attributes
Time	m_endCcaBusy

Time	m_endRx

Time	m_endSwitching

Time	m_endTx

Listeners	m_listeners

Time	m_previousStateChangeTime

WifiPhy::RxErrorCallback	m_rxErrorCallback

TracedCallback< Ptr< const Packet >, double >	m_rxErrorTrace

bool	m_rxing

WifiPhy::RxOkCallback	m_rxOkCallback

TracedCallback< Ptr< const Packet >, double, WifiMode, enum WifiPreamble >	m_rxOkTrace

bool	m_sleeping

Time	m_startCcaBusy

Time	m_startRx

Time	m_startSleep

Time	m_startSwitching

Time	m_startTx

TracedCallback< Ptr< const Packet >, WifiMode, WifiPreamble, uint8_t >	m_txTrace

Additional Inherited Members
Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object. More...

virtual void	DoDispose (void)
	Destructor implementation. More...

virtual void	DoInitialize (void)
	Initialize() implementation. More...

virtual void	NotifyNewAggregate (void)
	Notify all Objects aggregated to this one of a new Object being aggregated. More...

Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes. More...

virtual void	NotifyConstructionCompleted (void)
	Notifier called once the ObjectBase is fully constructed. More...

Related Functions inherited from ns3::ObjectBase
static TypeId	GetObjectIid (void)
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly. More...

Detailed Description

This objects implements the PHY state machine of the Wifi device.

Config Paths

ns3::WifiPhyStateHelper is accessible through the following paths with Config::Set and Config::Connect:

"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Phy/State"
"/NodeList/[i]/DeviceList/[i]/$ns3::WaveNetDevice/PhyEntities/[i]/State"

No Attributes are defined for this type.

TraceSources

State: The state of the PHY layer
Callback signature: ns3::WifiPhyStateHelper::StateTracedCallback
RxOk: A packet has been received successfully.
Callback signature: ns3::WifiPhyStateHelper::RxOkTracedCallback
RxError: A packet has been received unsuccessfully.
Callback signature: ns3::WifiPhyStateHelper::RxEndErrorTracedCallback
Tx: Packet transmission is starting.
Callback signature: ns3::WifiPhyStateHelper::TxTracedCallback

Size of this type is 224 bytes (on a 64-bit architecture).

Definition at line 36 of file wifi-phy-state-helper.h.

Member Typedef Documentation

typedef std::vector<WifiPhyListener *> ns3::WifiPhyStateHelper::Listeners

private

typedef for a list of WifiPhyListeners

Definition at line 240 of file wifi-phy-state-helper.h.

typedef std::vector<WifiPhyListener *>::iterator ns3::WifiPhyStateHelper::ListenersI

private

Definition at line 241 of file wifi-phy-state-helper.h.

typedef void(* ns3::WifiPhyStateHelper::RxEndErrorTracedCallback) (Ptr< const Packet > packet, double snr)

TracedCallback signature for receive end error event.

Parameters

[in]	packet	The received packet.
[in]	snr	The SNR of the received packet.

Definition at line 221 of file wifi-phy-state-helper.h.

typedef void(* ns3::WifiPhyStateHelper::RxOkTracedCallback) (Ptr< const Packet > packet, double snr, WifiMode mode, WifiPreamble preamble)

TracedCallback signature for receive end ok event.

Parameters

[in]	packet	The received packet.
[in]	snr	The SNR of the received packet.
[in]	mode	The transmission mode of the packet.
[in]	preamble	The preamble of the packet.

Definition at line 212 of file wifi-phy-state-helper.h.

typedef void(* ns3::WifiPhyStateHelper::StateTracedCallback) (Time start, Time duration, WifiPhy::State state)

TracedCallback signature for state changes.

Parameters

[in]	start	Time when the `state` started.
[in]	duration	Amount of time we've been in (or will be in) the `state`.
[in]	state	The state.

Definition at line 201 of file wifi-phy-state-helper.h.

typedef void(* ns3::WifiPhyStateHelper::TxTracedCallback) (Ptr< const Packet > packet, WifiMode mode, WifiPreamble preamble, uint8_t power)

TracedCallback signature for transmit event.

Parameters

[in]	packet	The received packet.
[in]	mode	The transmission mode of the packet.
[in]	preamble	The preamble of the packet.
[in]	power	The transmit power level.

Definition at line 232 of file wifi-phy-state-helper.h.

Constructor & Destructor Documentation

ns3::WifiPhyStateHelper::WifiPhyStateHelper ( )

Definition at line 59 of file wifi-phy-state-helper.cc.

References NS_LOG_FUNCTION.

Member Function Documentation

void ns3::WifiPhyStateHelper::DoSwitchFromRx ( void )

private

Switch the state from RX.

Definition at line 457 of file wifi-phy-state-helper.cc.

References IsStateCcaBusy(), IsStateIdle(), IsStateRx(), m_previousStateChangeTime, m_rxing, m_startRx, m_stateLogger, ns3::Simulator::Now(), NS_ASSERT, and ns3::WifiPhy::RX.

Referenced by SwitchFromRxEndError(), and SwitchFromRxEndOk().

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Time ns3::WifiPhyStateHelper::GetDelayUntilIdle ( void )

Return the time before the state is back to IDLE.

Returns: the delay before the state is back to IDLE

Definition at line 153 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, GetState(), ns3::WifiPhy::IDLE, m_endCcaBusy, m_endRx, m_endSwitching, m_endTx, ns3::Max(), ns3::Simulator::Now(), NS_FATAL_ERROR, ns3::WifiPhy::RX, ns3::Seconds(), ns3::WifiPhy::SLEEP, ns3::WifiPhy::SWITCHING, and ns3::WifiPhy::TX.

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Time ns3::WifiPhyStateHelper::GetLastRxStartTime ( void ) const

Return the time the last RX start.

Returns: the time the last RX start.

Definition at line 188 of file wifi-phy-state-helper.cc.

References m_startRx.

enum WifiPhy::State ns3::WifiPhyStateHelper::GetState ( void )

Return the current state of WifiPhy.

Returns: the current state of WifiPhy

Definition at line 194 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, ns3::WifiPhy::IDLE, m_endCcaBusy, m_endSwitching, m_endTx, m_rxing, m_sleeping, ns3::Simulator::Now(), ns3::WifiPhy::RX, ns3::WifiPhy::SLEEP, ns3::WifiPhy::SWITCHING, and ns3::WifiPhy::TX.

Referenced by GetDelayUntilIdle(), IsStateBusy(), IsStateCcaBusy(), IsStateIdle(), IsStateRx(), IsStateSleep(), IsStateSwitching(), IsStateTx(), SwitchMaybeToCcaBusy(), SwitchToChannelSwitching(), SwitchToRx(), SwitchToSleep(), and SwitchToTx().

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Time ns3::WifiPhyStateHelper::GetStateDuration ( void )

Return the elapsed time of the current state.

Returns: the elapsed time of the current state

Definition at line 147 of file wifi-phy-state-helper.cc.

References m_previousStateChangeTime, and ns3::Simulator::Now().

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TypeId ns3::WifiPhyStateHelper::GetTypeId ( void )

static

Definition at line 34 of file wifi-phy-state-helper.cc.

References m_rxErrorTrace, m_rxOkTrace, m_stateLogger, m_txTrace, ns3::MakeTraceSourceAccessor(), and ns3::TypeId::SetParent().

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bool ns3::WifiPhyStateHelper::IsStateBusy ( void )

Check whether the current state is not IDLE.

Returns: true if the current state is not IDLE, false otherwise

Definition at line 111 of file wifi-phy-state-helper.cc.

References GetState(), and ns3::WifiPhy::IDLE.

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bool ns3::WifiPhyStateHelper::IsStateCcaBusy ( void )

Check whether the current state is CCA busy.

Returns: true if the current state is CCA busy, false otherwise

Definition at line 117 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, and GetState().

Referenced by DoSwitchFromRx(), and SwitchToRx().

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bool ns3::WifiPhyStateHelper::IsStateIdle ( void )

Check whether the current state is IDLE.

Returns: true if the current state is IDLE, false otherwise

Definition at line 105 of file wifi-phy-state-helper.cc.

References GetState(), and ns3::WifiPhy::IDLE.

Referenced by DoSwitchFromRx(), and SwitchToRx().

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bool ns3::WifiPhyStateHelper::IsStateRx ( void )

Check whether the current state is RX.

Returns: true if the current state is RX, false otherwise

Definition at line 123 of file wifi-phy-state-helper.cc.

References GetState(), and ns3::WifiPhy::RX.

Referenced by DoSwitchFromRx(), and SwitchToRx().

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bool ns3::WifiPhyStateHelper::IsStateSleep ( void )

Check whether the current state is SLEEP.

Returns: true if the current state is SLEEP, false otherwise

Definition at line 141 of file wifi-phy-state-helper.cc.

References GetState(), and ns3::WifiPhy::SLEEP.

Referenced by SwitchFromSleep(), and SwitchToSleep().

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bool ns3::WifiPhyStateHelper::IsStateSwitching ( void )

Check whether the current state is SWITCHING.

Returns: true if the current state is SWITCHING, false otherwise

Definition at line 135 of file wifi-phy-state-helper.cc.

References GetState(), and ns3::WifiPhy::SWITCHING.

Referenced by SwitchToChannelSwitching().

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bool ns3::WifiPhyStateHelper::IsStateTx ( void )

Check whether the current state is TX.

Returns: true if the current state is TX, false otherwise

Definition at line 129 of file wifi-phy-state-helper.cc.

References GetState(), and ns3::WifiPhy::TX.

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void ns3::WifiPhyStateHelper::LogPreviousIdleAndCcaBusyStates ( void )

private

Log the ideal and CCA states.

Definition at line 295 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, ns3::WifiPhy::IDLE, m_endCcaBusy, m_endRx, m_endSwitching, m_endTx, m_startCcaBusy, m_stateLogger, ns3::Max(), ns3::Simulator::Now(), and NS_ASSERT.

Referenced by SwitchMaybeToCcaBusy(), SwitchToChannelSwitching(), SwitchToRx(), SwitchToSleep(), and SwitchToTx().

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void ns3::WifiPhyStateHelper::NotifyMaybeCcaBusyStart ( Time duration )

private

Notify all WifiPhyListener that the CCA has started for the given duration.

Parameters

duration the duration of the CCA state

Definition at line 259 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchFromSleep(), and SwitchMaybeToCcaBusy().

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void ns3::WifiPhyStateHelper::NotifyRxEndError ( void )

private

Notify all WifiPhyListener that the reception was not successful.

Definition at line 250 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchFromRxEndError().

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void ns3::WifiPhyStateHelper::NotifyRxEndOk ( void )

private

Notify all WifiPhyListener that the reception was successful.

Definition at line 241 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchFromRxEndOk().

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void ns3::WifiPhyStateHelper::NotifyRxStart ( Time duration )

private

Notify all WifiPhyListener that the reception has started for the given duration.

Parameters

duration the duration of the reception

Definition at line 232 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchToRx().

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void ns3::WifiPhyStateHelper::NotifySleep ( void )

private

Notify all WifiPhyListener that we are going to sleep.

Definition at line 277 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchToSleep().

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void ns3::WifiPhyStateHelper::NotifySwitchingStart ( Time duration )

private

Notify all WifiPhyListener that we are switching channel with the given channel switching delay.

Parameters

duration the delay to switch the channel

Definition at line 268 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchToChannelSwitching().

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void ns3::WifiPhyStateHelper::NotifyTxStart	(	Time	duration,
		double	txPowerDbm
	)

private

Notify all WifiPhyListener that the transmission has started for the given duration.

Parameters

duration	the duration of the transmission
txPowerDbm	the nominal tx power in dBm

Definition at line 223 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchToTx().

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void ns3::WifiPhyStateHelper::NotifyWakeup ( void )

private

Notify all WifiPhyListener that we woke up.

Definition at line 286 of file wifi-phy-state-helper.cc.

References m_listeners.

Referenced by SwitchFromSleep().

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void ns3::WifiPhyStateHelper::RegisterListener ( WifiPhyListener * listener )

Register WifiPhyListener to this WifiPhyStateHelper.

Parameters

listener

Definition at line 89 of file wifi-phy-state-helper.cc.

References m_listeners.

void ns3::WifiPhyStateHelper::SetReceiveErrorCallback ( WifiPhy::RxErrorCallback callback )

Set a callback for a failed reception.

Parameters

callback

Definition at line 83 of file wifi-phy-state-helper.cc.

References m_rxErrorCallback.

void ns3::WifiPhyStateHelper::SetReceiveOkCallback ( WifiPhy::RxOkCallback callback )

Set a callback for a successful reception.

Parameters

callback

Definition at line 77 of file wifi-phy-state-helper.cc.

References m_rxOkCallback.

void ns3::WifiPhyStateHelper::SwitchFromRxEndError	(	Ptr< Packet >	packet,
		double	snr
	)

Switch from RX after the reception failed.

Parameters

packet	the packet that we failed to received
snr	the SNR of the received packet

Definition at line 445 of file wifi-phy-state-helper.cc.

References DoSwitchFromRx(), ns3::Callback< R, T1, T2, T3, T4, T5, T6, T7, T8, T9 >::IsNull(), m_rxErrorCallback, m_rxErrorTrace, and NotifyRxEndError().

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void ns3::WifiPhyStateHelper::SwitchFromRxEndOk	(	Ptr< Packet >	packet,
		double	snr,
		WifiTxVector	txVector,
		enum WifiPreamble	preamble
	)

Switch from RX after the reception was successful.

Parameters

packet	the successfully received packet
snr	the SNR of the received packet
txVector	TXVECTOR of the packet
preamble	the preamble of the received packet

Definition at line 432 of file wifi-phy-state-helper.cc.

References DoSwitchFromRx(), ns3::WifiTxVector::GetMode(), ns3::Callback< R, T1, T2, T3, T4, T5, T6, T7, T8, T9 >::IsNull(), m_rxOkCallback, m_rxOkTrace, and NotifyRxEndOk().

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void ns3::WifiPhyStateHelper::SwitchFromSleep ( Time duration )

Switch from sleep mode.

Parameters

duration the duration of CCA busy state

Definition at line 529 of file wifi-phy-state-helper.cc.

References IsStateSleep(), m_endCcaBusy, m_previousStateChangeTime, m_sleeping, m_startSleep, m_stateLogger, max, NotifyMaybeCcaBusyStart(), NotifyWakeup(), ns3::Simulator::Now(), NS_ASSERT, and ns3::WifiPhy::SLEEP.

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void ns3::WifiPhyStateHelper::SwitchMaybeToCcaBusy ( Time duration )

Switch to CCA busy.

Parameters

duration the duration of CCA busy state

Definition at line 471 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, GetState(), ns3::WifiPhy::IDLE, LogPreviousIdleAndCcaBusyStates(), m_endCcaBusy, m_startCcaBusy, max, NotifyMaybeCcaBusyStart(), ns3::Simulator::Now(), ns3::WifiPhy::RX, ns3::WifiPhy::SLEEP, ns3::WifiPhy::SWITCHING, and ns3::WifiPhy::TX.

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void ns3::WifiPhyStateHelper::SwitchToChannelSwitching ( Time switchingDuration )

Switch state to channel switching for the given duration.

Parameters

switchingDuration the duration of required to switch the channel

Definition at line 387 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, GetState(), ns3::WifiPhy::IDLE, IsStateSwitching(), LogPreviousIdleAndCcaBusyStates(), m_endCcaBusy, m_endRx, m_endSwitching, m_endTx, m_previousStateChangeTime, m_rxing, m_startCcaBusy, m_startRx, m_startSwitching, m_stateLogger, ns3::Max(), NotifySwitchingStart(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, ns3::WifiPhy::RX, ns3::WifiPhy::SLEEP, ns3::WifiPhy::SWITCHING, and ns3::WifiPhy::TX.

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void ns3::WifiPhyStateHelper::SwitchToRx ( Time rxDuration )

Switch state to RX for the given duration.

Parameters

rxDuration the duration of the RX

Definition at line 354 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, GetState(), ns3::WifiPhy::IDLE, IsStateCcaBusy(), IsStateIdle(), IsStateRx(), LogPreviousIdleAndCcaBusyStates(), m_endRx, m_endSwitching, m_endTx, m_previousStateChangeTime, m_rxing, m_startCcaBusy, m_startRx, m_stateLogger, ns3::Max(), NotifyRxStart(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, ns3::WifiPhy::RX, ns3::WifiPhy::SLEEP, ns3::WifiPhy::SWITCHING, and ns3::WifiPhy::TX.

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void ns3::WifiPhyStateHelper::SwitchToSleep ( void )

Switch to sleep mode.

Definition at line 499 of file wifi-phy-state-helper.cc.

References ns3::WifiPhy::CCA_BUSY, GetState(), ns3::WifiPhy::IDLE, IsStateSleep(), LogPreviousIdleAndCcaBusyStates(), m_endRx, m_endSwitching, m_endTx, m_previousStateChangeTime, m_sleeping, m_startCcaBusy, m_startSleep, m_stateLogger, ns3::Max(), NotifySleep(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, ns3::WifiPhy::RX, ns3::WifiPhy::SLEEP, ns3::WifiPhy::SWITCHING, and ns3::WifiPhy::TX.

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void ns3::WifiPhyStateHelper::SwitchToTx	(	Time	txDuration,
		Ptr< const Packet >	packet,
		double	txPowerDbm,
		WifiTxVector	txVector,
		WifiPreamble	preamble
	)

Switch state to TX for the given duration.

Parameters

txDuration	the duration of the TX
packet	the packet
txPowerDbm	the nominal tx power in dBm
txVector	the tx vector of the packet
preamble	the preamble of the packet