WifiPpdu stores a preamble, a modulation class, PHY headers and a PSDU. More...

#include "wifi-ppdu.h"

Inheritance diagram for ns3::WifiPpdu:

Collaboration diagram for ns3::WifiPpdu:

Public Member Functions
	WifiPpdu (const WifiConstPsduMap &psdus, const WifiTxVector &txVector, uint16_t txCenterFreq, uint64_t uid)
	Create a PPDU storing a map of PSDUs. More...

	WifiPpdu (Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, uint16_t txCenterFreq, uint64_t uid=UINT64_MAX)
	Create a PPDU storing a PSDU. More...

virtual	~WifiPpdu ()
	Destructor for WifiPpdu. More...

virtual bool	CanBeReceived (uint16_t p20MinFreq, uint16_t p20MaxFreq) const
	Check whether the given PPDU can be received on the specified primary channel. More...

virtual Ptr< WifiPpdu >	Copy () const
	Copy this instance. More...

bool	DoesOverlapChannel (uint16_t minFreq, uint16_t maxFreq) const
	Check whether the given PPDU overlaps a given channel. More...

WifiModulationClass	GetModulation () const
	Get the modulation used for the PPDU. More...

WifiPreamble	GetPreamble () const
	Get the preamble of the PPDU. More...

Ptr< const WifiPsdu >	GetPsdu () const
	Get the payload of the PPDU. More...

virtual uint16_t	GetStaId () const
	Get the ID of the STA that transmitted the PPDU for UL MU, SU_STA_ID otherwise. More...

virtual uint16_t	GetTransmissionChannelWidth () const
	Get the channel width over which the PPDU will effectively be transmitted. More...

virtual Time	GetTxDuration () const
	Get the total transmission duration of the PPDU. More...

WifiTxVector	GetTxVector () const
	Get the TXVECTOR used to send the PPDU. More...

virtual WifiPpduType	GetType () const
	Return the PPDU type (. More...

uint64_t	GetUid () const
	Get the UID of the PPDU. More...

bool	IsTruncatedTx () const

void	Print (std::ostream &os) const
	Print the PPDU contents. More...

void	SetTruncatedTx ()
	Indicate that the PPDU's transmission was aborted due to transmitter switch off. More...

Public Member Functions inherited from ns3::SimpleRefCount< WifiPpdu >
	SimpleRefCount ()
	Default constructor. More...

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

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

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

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

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

Protected Member Functions
virtual std::string	PrintPayload () const
	Print the payload of the PPDU. More...

Protected Attributes
WifiModulationClass	m_modulation
	the modulation used for the transmission of this PPDU More...

WifiPreamble	m_preamble
	the PHY preamble More...

WifiConstPsduMap	m_psdus
	the PSDUs contained in this PPDU More...

uint16_t	m_txCenterFreq
	the center frequency (MHz) used for the transmission of this PPDU More...

uint64_t	m_uid
	the unique ID of this PPDU More...

Private Member Functions
virtual WifiTxVector	DoGetTxVector () const
	Get the TXVECTOR used to send the PPDU. More...

Private Attributes
bool	m_truncatedTx
	flag indicating whether the frame's transmission was aborted due to transmitter switch off More...

uint8_t	m_txAntennas
	the number of antennas used to transmit this PPDU More...

uint8_t	m_txPowerLevel
	the transmission power level (used only for TX and initializing the returned WifiTxVector) More...

Detailed Description

WifiPpdu stores a preamble, a modulation class, PHY headers and a PSDU.

This class should be subclassed for each amendment.

Definition at line 53 of file wifi-ppdu.h.

Constructor & Destructor Documentation

◆ WifiPpdu() [1/2]

ns3::WifiPpdu::WifiPpdu	(	Ptr< const WifiPsdu >	psdu,
		const WifiTxVector &	txVector,
		uint16_t	txCenterFreq,
		uint64_t	uid = `UINT64_MAX`
	)

Create a PPDU storing a PSDU.

Parameters

psdu	the PHY payload (PSDU)
txVector	the TXVECTOR that was used for this PPDU
txCenterFreq	the center frequency (MHz) that was used for this PPDU
uid	the unique ID of this PPDU

Definition at line 32 of file wifi-ppdu.cc.

References m_psdus, NS_LOG_FUNCTION, and SU_STA_ID.

◆ WifiPpdu() [2/2]

ns3::WifiPpdu::WifiPpdu	(	const WifiConstPsduMap &	psdus,
		const WifiTxVector &	txVector,
		uint16_t	txCenterFreq,
		uint64_t	uid
	)

Create a PPDU storing a map of PSDUs.

Parameters

psdus	the PHY payloads (PSDUs)
txVector	the TXVECTOR that was used for this PPDU
txCenterFreq	the center frequency (MHz) that was used for this PPDU
uid	the unique ID of this PPDU

Definition at line 47 of file wifi-ppdu.cc.

References m_psdus, and NS_LOG_FUNCTION.

◆ ~WifiPpdu()

ns3::WifiPpdu::~WifiPpdu ( )

virtual

Destructor for WifiPpdu.

Definition at line 64 of file wifi-ppdu.cc.

References m_psdus.

Member Function Documentation

◆ CanBeReceived()

bool ns3::WifiPpdu::CanBeReceived	(	uint16_t	p20MinFreq,
		uint16_t	p20MaxFreq
	)		const

virtual

Check whether the given PPDU can be received on the specified primary channel.

Normally, a PPDU can be received if it is transmitted over a channel that overlaps the primary20 channel of a PHY entity.

Parameters

p20MinFreq	the minimum frequency (MHz) of the primary channel
p20MaxFreq	the maximum frequency (MHz) of the primary channel

Returns: true if this PPDU can be received, false otherwise

Reimplemented in ns3::HePpdu.

Definition at line 165 of file wifi-ppdu.cc.

References DoesOverlapChannel(), NS_LOG_FUNCTION, and NS_LOG_INFO.

Referenced by ns3::HePpdu::CanBeReceived().

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◆ Copy()

Ptr< WifiPpdu > ns3::WifiPpdu::Copy ( ) const

virtual

Copy this instance.

Returns: a Ptr to a copy of this instance.

Reimplemented in ns3::EhtPpdu, ns3::HePpdu, ns3::HtPpdu, ns3::DsssPpdu, ns3::ErpOfdmPpdu, ns3::OfdmPpdu, and ns3::VhtPpdu.

Definition at line 226 of file wifi-ppdu.cc.

References GetPsdu(), GetTxVector(), m_txCenterFreq, and NS_FATAL_ERROR.

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◆ DoesOverlapChannel()

bool ns3::WifiPpdu::DoesOverlapChannel	(	uint16_t	minFreq,
		uint16_t	maxFreq
	)		const

Check whether the given PPDU overlaps a given channel.

Parameters

minFreq	the minimum frequency (MHz) of the channel
maxFreq	the maximum frequency (MHz) of the channel

Returns: true if this PPDU overlaps the channel, false otherwise

The PPDU does not overlap the channel in two cases.

First non-overlapping case:

                                   ┌─────────┐
                           PPDU    │ Nominal │
                                   │  Band   │
                                   └─────────┘
                              minTxFreq   maxTxFreq

  minFreq                       maxFreq
    ┌──────────────────────────────┐
    │           Channel            │
    └──────────────────────────────┘

Second non-overlapping case:

    ┌─────────┐

PPDU │ Nominal │ │ Band │ └─────────┘ minTxFreq maxTxFreq

         minFreq                       maxFreq
           ┌──────────────────────────────┐
           │           Channel            │
           └──────────────────────────────┘

Definition at line 122 of file wifi-ppdu.cc.

References ns3::WifiTxVector::GetChannelWidth(), GetTxVector(), m_txCenterFreq, and NS_LOG_FUNCTION.

Referenced by CanBeReceived().

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◆ DoGetTxVector()

WifiTxVector ns3::WifiPpdu::DoGetTxVector ( ) const

privatevirtual

Get the TXVECTOR used to send the PPDU.

Returns: the TXVECTOR of the PPDU.

Reimplemented in ns3::EhtPpdu, ns3::HePpdu, ns3::HtPpdu, ns3::DsssPpdu, ns3::ErpOfdmPpdu, ns3::OfdmPpdu, and ns3::VhtPpdu.

Definition at line 83 of file wifi-ppdu.cc.

References NS_FATAL_ERROR.

Referenced by GetTxVector().

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◆ GetModulation()

WifiModulationClass ns3::WifiPpdu::GetModulation ( ) const

Get the modulation used for the PPDU.

Returns: the modulation used for the PPDU

Definition at line 110 of file wifi-ppdu.cc.

References m_modulation.

◆ GetPreamble()

WifiPreamble ns3::WifiPpdu::GetPreamble ( ) const

Get the preamble of the PPDU.

Returns: the preamble of the PPDU

Definition at line 184 of file wifi-ppdu.cc.

References m_preamble.

◆ GetPsdu()

Ptr< const WifiPsdu > ns3::WifiPpdu::GetPsdu ( ) const

Get the payload of the PPDU.

Returns: the PSDU

Definition at line 91 of file wifi-ppdu.cc.

References m_psdus.

Referenced by Copy(), ns3::HtPpdu::Copy(), ns3::DsssPpdu::Copy(), ns3::ErpOfdmPpdu::Copy(), ns3::OfdmPpdu::Copy(), ns3::VhtPpdu::Copy(), ns3::VhtPpdu::DoGetTxVector(), and PrintPayload().

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◆ GetStaId()

uint16_t ns3::WifiPpdu::GetStaId ( ) const

virtual

Get the ID of the STA that transmitted the PPDU for UL MU, SU_STA_ID otherwise.

Returns: the ID of the STA that transmitted the PPDU for UL MU, SU_STA_ID otherwise

Reimplemented in ns3::HePpdu.

Definition at line 196 of file wifi-ppdu.cc.

References SU_STA_ID.

◆ GetTransmissionChannelWidth()

uint16_t ns3::WifiPpdu::GetTransmissionChannelWidth ( ) const

virtual

Get the channel width over which the PPDU will effectively be transmitted.

Returns: the effective channel width (in MHz) used for the tranmsission

Reimplemented in ns3::HePpdu.

Definition at line 116 of file wifi-ppdu.cc.

References ns3::WifiTxVector::GetChannelWidth(), and GetTxVector().

Referenced by ns3::HePpdu::GetTransmissionChannelWidth().

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◆ GetTxDuration()

Time ns3::WifiPpdu::GetTxDuration ( ) const

virtual

Get the total transmission duration of the PPDU.

Returns: the transmission duration of the PPDU

Reimplemented in ns3::HePpdu, ns3::HtPpdu, ns3::DsssPpdu, ns3::OfdmPpdu, and ns3::VhtPpdu.

Definition at line 202 of file wifi-ppdu.cc.

References ns3::MicroSeconds(), and NS_FATAL_ERROR.

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◆ GetTxVector()

WifiTxVector ns3::WifiPpdu::GetTxVector ( ) const

Get the TXVECTOR used to send the PPDU.

Returns: the TXVECTOR of the PPDU.

Definition at line 74 of file wifi-ppdu.cc.

References DoGetTxVector(), m_txAntennas, m_txPowerLevel, ns3::WifiTxVector::SetNTx(), and ns3::WifiTxVector::SetTxPowerLevel().

Referenced by Copy(), ns3::HtPpdu::Copy(), ns3::DsssPpdu::Copy(), ns3::ErpOfdmPpdu::Copy(), ns3::OfdmPpdu::Copy(), ns3::VhtPpdu::Copy(), DoesOverlapChannel(), GetTransmissionChannelWidth(), ns3::HePpdu::GetTransmissionChannelWidth(), ns3::HePpdu::GetTxDuration(), ns3::HtPpdu::GetTxDuration(), ns3::DsssPpdu::GetTxDuration(), ns3::OfdmPpdu::GetTxDuration(), and ns3::VhtPpdu::GetTxDuration().

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◆ GetType()

WifiPpduType ns3::WifiPpdu::GetType ( ) const

virtual

Return the PPDU type (.

See also: WifiPpduType)

Returns: the PPDU type

Reimplemented in ns3::EhtPpdu, ns3::HePpdu, and ns3::VhtPpdu.

Definition at line 190 of file wifi-ppdu.cc.

References ns3::WIFI_PPDU_TYPE_SU.

◆ GetUid()

uint64_t ns3::WifiPpdu::GetUid ( ) const

Get the UID of the PPDU.

Returns: the UID of the PPDU

Definition at line 178 of file wifi-ppdu.cc.

References m_uid.

◆ IsTruncatedTx()

bool ns3::WifiPpdu::IsTruncatedTx ( ) const

Returns: c\ true if the PPDU's transmission was aborted due to transmitter switch off

Definition at line 97 of file wifi-ppdu.cc.

References m_truncatedTx.

◆ Print()

void ns3::WifiPpdu::Print ( std::ostream & os ) const

Print the PPDU contents.

Parameters

os	output stream in which the data should be printed.

Definition at line 210 of file wifi-ppdu.cc.

References m_modulation, m_preamble, m_truncatedTx, m_uid, and PrintPayload().

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◆ PrintPayload()

std::string ns3::WifiPpdu::PrintPayload ( ) const

protectedvirtual

Print the payload of the PPDU.

Returns: information on the payload part of the PPDU

Reimplemented in ns3::HePpdu.

Definition at line 218 of file wifi-ppdu.cc.

References GetPsdu().

Referenced by Print().

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◆ SetTruncatedTx()

void ns3::WifiPpdu::SetTruncatedTx ( )

Indicate that the PPDU's transmission was aborted due to transmitter switch off.

Definition at line 103 of file wifi-ppdu.cc.

References m_truncatedTx, and NS_LOG_FUNCTION.

Member Data Documentation

◆ m_modulation

WifiModulationClass ns3::WifiPpdu::m_modulation

protected

the modulation used for the transmission of this PPDU

Definition at line 194 of file wifi-ppdu.h.

Referenced by GetModulation(), and Print().

◆ m_preamble

WifiPreamble ns3::WifiPpdu::m_preamble

protected

the PHY preamble

Definition at line 193 of file wifi-ppdu.h.

Referenced by ns3::VhtPpdu::VhtPpdu(), ns3::EhtPpdu::DoGetTxVector(), ns3::HePpdu::DoGetTxVector(), ns3::HtPpdu::DoGetTxVector(), ns3::DsssPpdu::DoGetTxVector(), ns3::ErpOfdmPpdu::DoGetTxVector(), ns3::OfdmPpdu::DoGetTxVector(), ns3::VhtPpdu::DoGetTxVector(), GetPreamble(), ns3::EhtPpdu::GetType(), ns3::HePpdu::GetType(), ns3::VhtPpdu::GetType(), ns3::HePpdu::IsDlMu(), ns3::EhtPpdu::IsDlMu(), ns3::HePpdu::IsUlMu(), ns3::EhtPpdu::IsUlMu(), and Print().

◆ m_psdus

WifiConstPsduMap ns3::WifiPpdu::m_psdus

protected

the PSDUs contained in this PPDU

Definition at line 195 of file wifi-ppdu.h.

Referenced by ns3::HePpdu::HePpdu(), WifiPpdu(), ~WifiPpdu(), ns3::EhtPpdu::DoGetTxVector(), ns3::HePpdu::DoGetTxVector(), GetPsdu(), ns3::HePpdu::GetPsdu(), ns3::HePpdu::GetStaId(), and ns3::HePpdu::PrintPayload().

◆ m_truncatedTx

bool ns3::WifiPpdu::m_truncatedTx

private

flag indicating whether the frame's transmission was aborted due to transmitter switch off

Definition at line 207 of file wifi-ppdu.h.

Referenced by IsTruncatedTx(), Print(), and SetTruncatedTx().

◆ m_txAntennas

uint8_t ns3::WifiPpdu::m_txAntennas

private

the number of antennas used to transmit this PPDU

Definition at line 211 of file wifi-ppdu.h.

Referenced by GetTxVector().

◆ m_txCenterFreq

uint16_t ns3::WifiPpdu::m_txCenterFreq

protected

the center frequency (MHz) used for the transmission of this PPDU

Definition at line 196 of file wifi-ppdu.h.

Referenced by Copy(), ns3::HtPpdu::Copy(), ns3::DsssPpdu::Copy(), ns3::ErpOfdmPpdu::Copy(), ns3::OfdmPpdu::Copy(), ns3::VhtPpdu::Copy(), and DoesOverlapChannel().

◆ m_txPowerLevel

uint8_t ns3::WifiPpdu::m_txPowerLevel

private

the transmission power level (used only for TX and initializing the returned WifiTxVector)

Definition at line 209 of file wifi-ppdu.h.

Referenced by GetTxVector().

◆ m_uid

uint64_t ns3::WifiPpdu::m_uid

protected

the unique ID of this PPDU

Definition at line 197 of file wifi-ppdu.h.

Referenced by ns3::HtPpdu::Copy(), ns3::DsssPpdu::Copy(), ns3::ErpOfdmPpdu::Copy(), ns3::OfdmPpdu::Copy(), ns3::VhtPpdu::Copy(), GetUid(), and Print().

The documentation for this class was generated from the following files:

src/wifi/model/wifi-ppdu.h
src/wifi/model/wifi-ppdu.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ WifiPpdu() [1/2]

◆ WifiPpdu() [2/2]

◆ ~WifiPpdu()

Member Function Documentation

◆ CanBeReceived()

◆ Copy()

◆ DoesOverlapChannel()

◆ DoGetTxVector()

◆ GetModulation()

◆ GetPreamble()

◆ GetPsdu()

◆ GetStaId()

◆ GetTransmissionChannelWidth()

◆ GetTxDuration()

◆ GetTxVector()

◆ GetType()

◆ GetUid()

◆ IsTruncatedTx()

◆ Print()

◆ PrintPayload()

◆ SetTruncatedTx()

Member Data Documentation

◆ m_modulation

◆ m_preamble

◆ m_psdus

◆ m_truncatedTx

◆ m_txAntennas

◆ m_txCenterFreq

◆ m_txPowerLevel

◆ m_uid