Class that keeps track of all information about the current PHY operating channel. More...

#include "wifi-phy-operating-channel.h"

Collaboration diagram for ns3::WifiPhyOperatingChannel:

Public Types
typedef std::set< FrequencyChannelInfo >::const_iterator	ConstIterator
	Typedef for a const iterator pointing to a channel in the set of available channels. More...

Public Member Functions
	WifiPhyOperatingChannel ()
	Create an uninitialized PHY operating channel. More...

	WifiPhyOperatingChannel (ConstIterator it)
	Create a PHY operating channel from an iterator pointing to a channel in the set of available channels. More...

virtual	~WifiPhyOperatingChannel ()

std::set< uint8_t >	GetAll20MHzChannelIndicesInPrimary (uint16_t width) const
	Get the channel indices of all the 20 MHz channels included in the primary channel of the given width, if such primary channel exists, or an empty set, otherwise. More...

std::set< uint8_t >	GetAll20MHzChannelIndicesInSecondary (const std::set< uint8_t > &primaryIndices) const
	Get the channel indices of all the 20 MHz channels included in the secondary channel corresponding to the given primary channel, if such secondary channel exists, or an empty set, otherwise. More...

std::set< uint8_t >	GetAll20MHzChannelIndicesInSecondary (uint16_t width) const
	Get the channel indices of all the 20 MHz channels included in the secondary channel of the given width, if such secondary channel exists, or an empty set, otherwise. More...

uint16_t	GetFrequency () const
	Return the center frequency of the operating channel (in MHz). More...

uint8_t	GetNumber () const
	Return the channel number identifying the whole operating channel. More...

WifiPhyBand	GetPhyBand () const
	Return the PHY band of the operating channel. More...

uint16_t	GetPrimaryChannelCenterFrequency (uint16_t primaryChannelWidth) const
	Get the center frequency of the primary channel of the given width. More...

uint8_t	GetPrimaryChannelIndex (uint16_t primaryChannelWidth) const
	If the operating channel width is a multiple of 20 MHz, return the index of the primary channel of the given width within the operating channel (0 indicates the 20 MHz subchannel with the lowest center frequency). More...

uint8_t	GetPrimaryChannelNumber (uint16_t primaryChannelWidth, WifiStandard standard) const
	Get channel number of the primary channel. More...

uint16_t	GetSecondaryChannelCenterFrequency (uint16_t secondaryChannelWidth) const
	Get the center frequency of the secondary channel of the given width. More...

uint8_t	GetSecondaryChannelIndex (uint16_t secondaryChannelWidth) const
	If the operating channel width is made of a multiple of 20 MHz, return the index of the secondary channel of the given width within the operating channel (0 indicates the 20 MHz subchannel with the lowest center frequency). More...

uint16_t	GetWidth () const
	Return the width of the whole operating channel (in MHz). More...

bool	Is80211p () const
	Return whether the operating channel is an 802.11p channel. More...

bool	IsDsss () const
	Return whether the operating channel is a DSSS channel. More...

bool	IsOfdm () const
	Return whether the operating channel is an OFDM channel. More...

bool	IsSet () const
	Return true if a valid channel has been set, false otherwise. More...

void	Set (uint8_t number, uint16_t frequency, uint16_t width, WifiStandard standard, WifiPhyBand band)
	Set the channel according to the specified parameters if a unique frequency channel matches the specified criteria, or abort the simulation otherwise. More...

void	SetDefault (uint16_t width, WifiStandard standard, WifiPhyBand band)
	Set the default channel of the given width and for the given standard and band. More...

void	SetPrimary20Index (uint8_t index)
	Set the index of the primary 20 MHz channel (0 indicates the 20 MHz subchannel with the lowest center frequency). More...

Static Public Member Functions
static ConstIterator	FindFirst (uint8_t number, uint16_t frequency, uint16_t width, WifiStandard standard, WifiPhyBand band, ConstIterator start=m_frequencyChannels.begin())
	Find the first channel matching the specified parameters. More...

static uint8_t	GetDefaultChannelNumber (uint16_t width, WifiStandard standard, WifiPhyBand band)
	Get the default channel number of the given width and for the given standard and band. More...

Static Public Attributes
static const std::set< FrequencyChannelInfo >	m_frequencyChannels
	Available frequency channels. More...

Private Attributes
ConstIterator	m_channelIt
	const iterator pointing to the configured frequency channel More...

uint8_t	m_primary20Index
	index of the primary20 channel (0 indicates the 20 MHz subchannel with the lowest center frequency) More...

Detailed Description

Class that keeps track of all information about the current PHY operating channel.

Definition at line 44 of file wifi-phy-operating-channel.h.

Member Typedef Documentation

◆ ConstIterator

typedef std::set<FrequencyChannelInfo>::const_iterator ns3::WifiPhyOperatingChannel::ConstIterator

Typedef for a const iterator pointing to a channel in the set of available channels.

Definition at line 48 of file wifi-phy-operating-channel.h.

Constructor & Destructor Documentation

◆ WifiPhyOperatingChannel() [1/2]

ns3::WifiPhyOperatingChannel::WifiPhyOperatingChannel ( )

Create an uninitialized PHY operating channel.

Definition at line 268 of file wifi-phy-operating-channel.cc.

◆ WifiPhyOperatingChannel() [2/2]

ns3::WifiPhyOperatingChannel::WifiPhyOperatingChannel ( ConstIterator it )

Create a PHY operating channel from an iterator pointing to a channel in the set of available channels.

Parameters

it	the iterator pointing to a channel in the set of available channels

Definition at line 273 of file wifi-phy-operating-channel.cc.

References NS_LOG_FUNCTION.

◆ ~WifiPhyOperatingChannel()

ns3::WifiPhyOperatingChannel::~WifiPhyOperatingChannel ( )

virtual

Definition at line 280 of file wifi-phy-operating-channel.cc.

References NS_LOG_FUNCTION_NOARGS.

Member Function Documentation

◆ FindFirst()

WifiPhyOperatingChannel::ConstIterator ns3::WifiPhyOperatingChannel::FindFirst	(	uint8_t	number,
		uint16_t	frequency,
		uint16_t	width,
		WifiStandard	standard,
		WifiPhyBand	band,
		ConstIterator	start = `m_frequencyChannels.begin()`
	)

static

Find the first channel matching the specified parameters.

Parameters

number	the channel number (use 0 to leave it unspecified)
frequency	the channel center frequency in MHz (use 0 to leave it unspecified)
width	the channel width in MHz (use 0 to leave it unspecified)
standard	the standard (use WIFI_STANDARD_UNSPECIFIED not to check whether a channel is suitable for a specific standard)
band	the PHY band
start	an iterator pointing to the channel to start the search with

Returns: an iterator pointing to the found channel, if any, or to past-the-end of the set of available channels

Definition at line 344 of file wifi-phy-operating-channel.cc.

References third::channel, ns3::GetFrequencyChannelType(), ns3::GetMaximumChannelWidth(), m_frequencyChannels, visualizer.core::start(), ns3::WIFI_STANDARD_UNSPECIFIED, and ns3::wifiStandards.

Referenced by GetDefaultChannelNumber(), GetPrimaryChannelNumber(), and Set().

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◆ GetAll20MHzChannelIndicesInPrimary()

std::set< uint8_t > ns3::WifiPhyOperatingChannel::GetAll20MHzChannelIndicesInPrimary ( uint16_t width ) const

Get the channel indices of all the 20 MHz channels included in the primary channel of the given width, if such primary channel exists, or an empty set, otherwise.

Parameters

width the width in MHz of the primary channel

Returns: the channel indices of all the 20 MHz channels included in the primary channel of the given width, if such primary channel exists, or an empty set, otherwise

Definition at line 518 of file wifi-phy-operating-channel.cc.

References GetAll20MHzChannelIndicesInSecondary(), GetWidth(), and m_primary20Index.

Referenced by GetAll20MHzChannelIndicesInSecondary(), ns3::HePhy::GetPer20MHzDurations(), ns3::HePhy::GetTxPowerSpectralDensity(), and Wifi20MHzChannelIndicesTest::RunOne().

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◆ GetAll20MHzChannelIndicesInSecondary() [1/2]

std::set< uint8_t > ns3::WifiPhyOperatingChannel::GetAll20MHzChannelIndicesInSecondary ( const std::set< uint8_t > & primaryIndices ) const

Get the channel indices of all the 20 MHz channels included in the secondary channel corresponding to the given primary channel, if such secondary channel exists, or an empty set, otherwise.

Parameters

primaryIndices the channel indices of all the 20 MHz channels included in the primary channel

Returns: the channel indices of all the 20 MHz channels included in the secondary channel corresponding to the given primary channel, if such secondary channel exists, or an empty set, otherwise

Definition at line 546 of file wifi-phy-operating-channel.cc.

References GetWidth().

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◆ GetAll20MHzChannelIndicesInSecondary() [2/2]

std::set< uint8_t > ns3::WifiPhyOperatingChannel::GetAll20MHzChannelIndicesInSecondary ( uint16_t width ) const

Get the channel indices of all the 20 MHz channels included in the secondary channel of the given width, if such secondary channel exists, or an empty set, otherwise.

Parameters

width the width in MHz of the secondary channel

Returns: the channel indices of all the 20 MHz channels included in the secondary channel of the given width, if such secondary channel exists, or an empty set, otherwise

Definition at line 540 of file wifi-phy-operating-channel.cc.

References GetAll20MHzChannelIndicesInPrimary(), and GetAll20MHzChannelIndicesInSecondary().

Referenced by GetAll20MHzChannelIndicesInPrimary(), GetAll20MHzChannelIndicesInSecondary(), and Wifi20MHzChannelIndicesTest::RunOne().

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◆ GetDefaultChannelNumber()

uint8_t ns3::WifiPhyOperatingChannel::GetDefaultChannelNumber	(	uint16_t	width,
		WifiStandard	standard,
		WifiPhyBand	band
	)

static

Get the default channel number of the given width and for the given standard and band.

Parameters

width	the channel width in MHz
standard	the standard
band	the PHY band

Returns: the default channel number

Definition at line 326 of file wifi-phy-operating-channel.cc.

References FindFirst(), and m_frequencyChannels.

Referenced by ns3::WifiPhy::DoChannelSwitch(), and SetDefault().

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◆ GetFrequency()

uint16_t ns3::WifiPhyOperatingChannel::GetFrequency ( ) const

Return the center frequency of the operating channel (in MHz).

Returns: the center frequency of the operating channel (in MHz)

Definition at line 400 of file wifi-phy-operating-channel.cc.

References IsSet(), m_channelIt, and NS_ASSERT.

Referenced by MultiLinkSetupTest::CheckMlSetup(), ns3::WifiPhy::GetFrequency(), and GetPrimaryChannelCenterFrequency().

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◆ GetNumber()

uint8_t ns3::WifiPhyOperatingChannel::GetNumber ( ) const

Return the channel number identifying the whole operating channel.

Returns: the channel number identifying the whole operating channel

Definition at line 393 of file wifi-phy-operating-channel.cc.

References IsSet(), m_channelIt, and NS_ASSERT.

Referenced by MultiLinkSetupTest::CheckMlSetup(), and ns3::WifiPhy::GetChannelNumber().

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◆ GetPhyBand()

WifiPhyBand ns3::WifiPhyOperatingChannel::GetPhyBand ( ) const

Return the PHY band of the operating channel.

Returns: the PHY band of the operating channel

Definition at line 414 of file wifi-phy-operating-channel.cc.

References IsSet(), m_channelIt, and NS_ASSERT.

Referenced by MultiLinkSetupTest::CheckMlSetup().

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◆ GetPrimaryChannelCenterFrequency()

uint16_t ns3::WifiPhyOperatingChannel::GetPrimaryChannelCenterFrequency ( uint16_t primaryChannelWidth ) const

Get the center frequency of the primary channel of the given width.

Parameters

primaryChannelWidth the width of the primary channel in MHz

Returns: the center frequency of the primary channel of the given width

Definition at line 489 of file wifi-phy-operating-channel.cc.

References GetFrequency(), GetPrimaryChannelIndex(), GetWidth(), and NS_LOG_FUNCTION.

Referenced by ns3::PhyEntity::BuildPpdu(), ns3::EhtPhy::BuildPpdu(), ns3::HePhy::BuildPpdu(), ns3::HtPhy::BuildPpdu(), ns3::DsssPhy::BuildPpdu(), ns3::ErpOfdmPhy::BuildPpdu(), ns3::OfdmPhy::BuildPpdu(), ns3::VhtPhy::BuildPpdu(), ns3::HtPhy::GetCcaIndication(), ns3::VhtPhy::GetCcaIndication(), ns3::PhyEntity::GetCenterFrequencyForChannelWidth(), GetPrimaryChannelNumber(), GetSecondaryChannelCenterFrequency(), and ns3::SpectrumWifiPhy::StartRx().

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◆ GetPrimaryChannelIndex()

uint8_t ns3::WifiPhyOperatingChannel::GetPrimaryChannelIndex ( uint16_t primaryChannelWidth ) const

If the operating channel width is a multiple of 20 MHz, return the index of the primary channel of the given width within the operating channel (0 indicates the 20 MHz subchannel with the lowest center frequency).

Otherwise, return 0.

Parameters

primaryChannelWidth the width of the primary channel in MHz

Returns: the index of the requested primary channel within the operating channel

Definition at line 442 of file wifi-phy-operating-channel.cc.

References GetWidth(), m_primary20Index, NS_ASSERT, NS_LOG_DEBUG, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

Referenced by ns3::EhtPhy::BuildPpdu(), ns3::HePhy::BuildPpdu(), MultiLinkSetupTest::CheckMlSetup(), ns3::HePhy::GetCenterFrequencyForNonOfdmaPart(), ns3::HePhy::GetNonOfdmaBand(), ns3::WifiPhy::GetPrimary20Index(), ns3::PhyEntity::GetPrimaryBand(), GetPrimaryChannelCenterFrequency(), ns3::HePhy::GetRuBandForRx(), GetSecondaryChannelCenterFrequency(), GetSecondaryChannelIndex(), ns3::HePhy::GetTxPowerSpectralDensity(), and ns3::SpectrumWifiPhy::UpdateInterferenceHelperBands().

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◆ GetPrimaryChannelNumber()

uint8_t ns3::WifiPhyOperatingChannel::GetPrimaryChannelNumber	(	uint16_t	primaryChannelWidth,
		WifiStandard	standard
	)		const

Get channel number of the primary channel.

Parameters

primaryChannelWidth	the width of the primary channel (MHz)
standard	the standard

Returns: channel number of the primary channel

Definition at line 508 of file wifi-phy-operating-channel.cc.

References FindFirst(), GetPrimaryChannelCenterFrequency(), and m_channelIt.

Referenced by ns3::WifiPhy::GetPrimaryChannelNumber().

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◆ GetSecondaryChannelCenterFrequency()

uint16_t ns3::WifiPhyOperatingChannel::GetSecondaryChannelCenterFrequency ( uint16_t secondaryChannelWidth ) const

Get the center frequency of the secondary channel of the given width.

Parameters

secondaryChannelWidth the width of the secondary channel in MHz

Returns: the center frequency of the secondary channel of the given width

Definition at line 499 of file wifi-phy-operating-channel.cc.

References GetPrimaryChannelCenterFrequency(), and GetPrimaryChannelIndex().

Referenced by ns3::HtPhy::GetCcaIndication(), and ns3::VhtPhy::GetCcaIndication().

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◆ GetSecondaryChannelIndex()

uint8_t ns3::WifiPhyOperatingChannel::GetSecondaryChannelIndex ( uint16_t secondaryChannelWidth ) const

If the operating channel width is made of a multiple of 20 MHz, return the index of the secondary channel of the given width within the operating channel (0 indicates the 20 MHz subchannel with the lowest center frequency).

Otherwise, return 0.

Parameters

secondaryChannelWidth the width of the secondary channel in MHz

Returns: the index of the requested secondary channel within the operating channel

Definition at line 469 of file wifi-phy-operating-channel.cc.

References GetPrimaryChannelIndex(), NS_LOG_FUNCTION, and NS_LOG_LOGIC.

Referenced by ns3::PhyEntity::GetSecondaryBand().

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◆ GetWidth()

uint16_t ns3::WifiPhyOperatingChannel::GetWidth ( ) const

Return the width of the whole operating channel (in MHz).

Returns: the width of the whole operating channel (in MHz)

Definition at line 407 of file wifi-phy-operating-channel.cc.

References IsSet(), m_channelIt, and NS_ASSERT.

Referenced by MultiLinkSetupTest::CheckMlSetup(), GetAll20MHzChannelIndicesInPrimary(), GetAll20MHzChannelIndicesInSecondary(), ns3::WifiPhy::GetChannelWidth(), GetPrimaryChannelCenterFrequency(), GetPrimaryChannelIndex(), and SetPrimary20Index().

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◆ Is80211p()

bool ns3::WifiPhyOperatingChannel::Is80211p ( ) const

Return whether the operating channel is an 802.11p channel.

Returns: whether the operating channel is an 802.11p channel

Definition at line 435 of file wifi-phy-operating-channel.cc.

References IsSet(), m_channelIt, NS_ASSERT, and ns3::WIFI_PHY_80211p_CHANNEL.

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◆ IsDsss()

bool ns3::WifiPhyOperatingChannel::IsDsss ( ) const

Return whether the operating channel is a DSSS channel.

Returns: whether the operating channel is a DSSS channel

Definition at line 428 of file wifi-phy-operating-channel.cc.

References IsSet(), m_channelIt, NS_ASSERT, and ns3::WIFI_PHY_DSSS_CHANNEL.

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◆ IsOfdm()

bool ns3::WifiPhyOperatingChannel::IsOfdm ( ) const

Return whether the operating channel is an OFDM channel.

Returns: whether the operating channel is an OFDM channel

Definition at line 421 of file wifi-phy-operating-channel.cc.

References IsSet(), m_channelIt, NS_ASSERT, and ns3::WIFI_PHY_OFDM_CHANNEL.

Referenced by ns3::ChannelAccessManager::DoGrantDcfAccess(), and ns3::ChannelAccessManager::InitLastBusyStructs().

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◆ IsSet()

bool ns3::WifiPhyOperatingChannel::IsSet ( ) const

Return true if a valid channel has been set, false otherwise.

Returns: true if a valid channel has been set, false otherwise

Definition at line 286 of file wifi-phy-operating-channel.cc.

References m_channelIt, and m_frequencyChannels.

Referenced by ns3::WifiPhy::ConfigureStandard(), SetChannelFrequencyTest::DoRun(), GetFrequency(), GetNumber(), GetPhyBand(), GetWidth(), Is80211p(), IsDsss(), and IsOfdm().

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◆ Set()

void ns3::WifiPhyOperatingChannel::Set	(	uint8_t	number,
		uint16_t	frequency,
		uint16_t	width,
		WifiStandard	standard,
		WifiPhyBand	band
	)

Set the channel according to the specified parameters if a unique frequency channel matches the specified criteria, or abort the simulation otherwise.

If the channel width is a multiple of 20 MHz, the primary 20 MHz channel is set to the 20 MHz subchannel with the lowest center frequency.

Parameters

number	the channel number (use 0 to leave it unspecified)
frequency	the channel center frequency in MHz (use 0 to leave it unspecified)
width	the channel width in MHz (use 0 to leave it unspecified)
standard	the standard
band	the PHY band