A Discrete-Event Network Simulator
API
Loading...
Searching...
No Matches
ns3::HePpdu Class Reference

HE PPDU (11ax) More...

#include "he-ppdu.h"

+ Inheritance diagram for ns3::HePpdu:
+ Collaboration diagram for ns3::HePpdu:

Classes

struct  HeMuSigHeader
 HE-SIG PHY header for HE MU PPDUs (HE-SIG-A1/A2/B) More...
 
struct  HeSigBUserSpecificField
 User Specific Fields in HE-SIG-Bs. More...
 
struct  HeSuSigHeader
 HE-SIG PHY header for HE SU PPDUs (HE-SIG-A1/A2) More...
 
struct  HeTbSigHeader
 HE-SIG PHY header for HE TB PPDUs (HE-SIG-A1/A2) More...
 

Public Types

using HeSigBContentChannels = std::vector<std::vector<HeSigBUserSpecificField>>
 HE SIG-B Content Channels.
 
using HeSigHeader = std::variant<std::monostate, HeSuSigHeader, HeTbSigHeader, HeMuSigHeader>
 type of the HE-SIG PHY header
 
enum  TxPsdFlag { PSD_NON_HE_PORTION , PSD_HE_PORTION }
 The transmit power spectral density flag, namely used to correctly build PSDs for pre-HE and HE portions. More...
 

Public Member Functions

 HePpdu (const WifiConstPsduMap &psdus, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, Time ppduDuration, uint64_t uid, TxPsdFlag flag)
 Create an MU HE PPDU, storing a map of PSDUs.
 
 HePpdu (Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, Time ppduDuration, uint64_t uid)
 Create an SU HE PPDU, storing a PSDU.
 
Ptr< WifiPpduCopy () const override
 Copy this instance.
 
Ptr< const WifiPsduGetPsdu (uint8_t bssColor, uint16_t staId=SU_STA_ID) const
 Get the payload of the PPDU.
 
uint16_t GetStaId () const override
 Get the ID of the STA that transmitted the PPDU for UL MU, SU_STA_ID otherwise.
 
MHz_u GetTxChannelWidth () const override
 Get the channel width over which the PPDU will effectively be transmitted.
 
Time GetTxDuration () const override
 Get the total transmission duration of the PPDU.
 
TxPsdFlag GetTxPsdFlag () const
 
WifiPpduType GetType () const override
 Return the PPDU type (.
 
void SetTxPsdFlag (TxPsdFlag flag) const
 
void UpdateTxVectorForUlMu (const std::optional< WifiTxVector > &trigVector) const
 Update the TXVECTOR for HE TB PPDUs, since the information to decode HE TB PPDUs is not available from the PHY headers but it requires information from the TRIGVECTOR of the AP expecting these HE TB PPDUs.
 
- Public Member Functions inherited from ns3::OfdmPpdu
 OfdmPpdu (Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, uint64_t uid, bool instantiateLSig=true)
 Create an OFDM PPDU.
 
Ptr< WifiPpduCopy () const override
 Copy this instance.
 
Time GetTxDuration () const override
 Get the total transmission duration of the PPDU.
 
- Public Member Functions inherited from ns3::WifiPpdu
 WifiPpdu (const WifiConstPsduMap &psdus, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, uint64_t uid)
 Create a PPDU storing a map of PSDUs.
 
 WifiPpdu (Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, uint64_t uid=UINT64_MAX)
 Create a PPDU storing a PSDU.
 
virtual ~WifiPpdu ()
 Destructor for WifiPpdu.
 
bool DoesOverlapChannel (MHz_u minFreq, MHz_u maxFreq) const
 Check whether the given PPDU overlaps a given channel.
 
WifiModulationClass GetModulation () const
 Get the modulation used for the PPDU.
 
WifiPreamble GetPreamble () const
 Get the preamble of the PPDU.
 
Ptr< const WifiPsduGetPsdu () const
 Get the payload of the PPDU.
 
std::vector< MHz_uGetTxCenterFreqs () const
 
const WifiTxVectorGetTxVector () const
 Get the TXVECTOR used to send the PPDU.
 
uint64_t GetUid () const
 Get the UID of the PPDU.
 
bool IsTruncatedTx () const
 
void Print (std::ostream &os) const
 Print the PPDU contents.
 
void ResetTxVector () const
 Reset the TXVECTOR.
 
void SetTruncatedTx ()
 Indicate that the PPDU's transmission was aborted due to transmitter switch off.
 
void UpdateTxVector (const WifiTxVector &updatedTxVector) const
 Update the TXVECTOR based on some information known at the receiver.
 
- Public Member Functions inherited from ns3::SimpleRefCount< WifiPpdu >
 SimpleRefCount ()
 Default constructor.
 
 SimpleRefCount (const SimpleRefCount &o)
 Copy constructor.
 
uint32_t GetReferenceCount () const
 Get the reference count of the object.
 
SimpleRefCountoperator= (const SimpleRefCount &o)
 Assignment operator.
 
void Ref () const
 Increment the reference count.
 
void Unref () const
 Decrement the reference count.
 

Static Public Member Functions

static HeSigBContentChannels GetHeSigBContentChannels (const WifiTxVector &txVector, uint8_t p20Index)
 Get the HE SIG-B content channels for a given PPDU IEEE 802.11ax-2021 27.3.11.8.2 HE-SIG-B content channels.
 
static std::pair< std::size_t, std::size_t > GetNumRusPerHeSigBContentChannel (MHz_u channelWidth, const RuAllocation &ruAllocation, bool sigBCompression, uint8_t numMuMimoUsers)
 Get the number of STAs per HE-SIG-B content channel.
 
static uint32_t GetSigBFieldSize (MHz_u channelWidth, const RuAllocation &ruAllocation, bool sigBCompression, std::size_t numMuMimoUsers)
 Get variable length HE SIG-B field size.
 

Protected Member Functions

void SetHeMuUserInfos (WifiTxVector &txVector, const RuAllocation &ruAllocation, const HeSigBContentChannels &contentChannels, bool sigBCompression, uint8_t numMuMimoUsers) const
 Reconstruct HeMuUserInfoMap from HE-SIG-B header.
 
virtual void SetTxVectorFromPhyHeaders (WifiTxVector &txVector) const
 Fill in the TXVECTOR from PHY headers.
 

Static Protected Member Functions

static uint8_t GetChannelWidthEncodingFromMhz (MHz_u channelWidth)
 Convert channel width expressed in MHz to bandwidth field encoding in HE-SIG-A.
 
static MHz_u GetChannelWidthMhzFromEncoding (uint8_t bandwidth)
 Convert channel width expressed in MHz from bandwidth field encoding in HE-SIG-A.
 
static uint8_t GetGuardIntervalAndNltfEncoding (Time guardInterval, uint8_t nltf)
 Convert guard interval and NLTF to its encoding in HE-SIG-A.
 
static Time GetGuardIntervalFromEncoding (uint8_t giAndNltfSize)
 Convert guard interval from its encoding in HE-SIG-A.
 
static uint8_t GetMuMimoUsersEncoding (uint8_t nUsers)
 Convert number of MU-MIMO users to its encoding in HE-SIG-A.
 
static uint8_t GetMuMimoUsersFromEncoding (uint8_t encoding)
 Convert number of MU-MIMO users from its encoding in HE-SIG-A.
 
static uint8_t GetNssFromNstsEncoding (uint8_t nsts)
 Convert number of spatial streams from NSTS field encoding in HE-SIG-A.
 
static uint8_t GetNstsEncodingFromNss (uint8_t nss)
 Convert number of spatial streams to NSTS field encoding in HE-SIG-A.
 

Protected Attributes

TxPsdFlag m_txPsdFlag
 the transmit power spectral density flag
 
- Protected Attributes inherited from ns3::OfdmPpdu
LSigHeader m_lSig
 the L-SIG PHY header
 
- Protected Attributes inherited from ns3::WifiPpdu
WifiModulationClass m_modulation
 the modulation used for the transmission of this PPDU
 
const WifiPhyOperatingChannelm_operatingChannel
 the operating channel of the PHY
 
WifiPreamble m_preamble
 the PHY preamble
 
WifiConstPsduMap m_psdus
 the PSDUs contained in this PPDU
 
std::vector< MHz_um_txCenterFreqs
 the center frequency per segment used for the transmission of this PPDU
 
std::optional< WifiTxVectorm_txVector
 the TXVECTOR at TX PHY or the reconstructed TXVECTOR at RX PHY (or std::nullopt if TXVECTOR has not been reconstructed yet)
 
uint64_t m_uid
 the unique ID of this PPDU
 

Private Member Functions

WifiTxVector DoGetTxVector () const override
 Get the TXVECTOR used to send the PPDU.
 
virtual bool IsDlMu () const
 Return true if the PPDU is a DL MU PPDU.
 
virtual bool IsMu () const
 Return true if the PPDU is a MU PPDU.
 
virtual bool IsUlMu () const
 Return true if the PPDU is an UL MU PPDU.
 
std::string PrintPayload () const override
 Print the payload of the PPDU.
 
void SetHeSigHeader (const WifiTxVector &txVector)
 Fill in the HE-SIG header.
 
void SetLSigHeader (Time ppduDuration)
 Fill in the L-SIG header.
 
void SetPhyHeaders (const WifiTxVector &txVector, Time ppduDuration)
 Fill in the PHY headers.
 

Private Attributes

HeSigHeader m_heSig
 the HE-SIG PHY header
 

Detailed Description

HE PPDU (11ax)

HePpdu stores a preamble, PHY headers and a map of PSDUs of a PPDU with HE header

Definition at line 38 of file he-ppdu.h.

Member Typedef Documentation

◆ HeSigBContentChannels

HE SIG-B Content Channels.

Definition at line 50 of file he-ppdu.h.

◆ HeSigHeader

using ns3::HePpdu::HeSigHeader = std::variant<std::monostate, HeSuSigHeader, HeTbSigHeader, HeMuSigHeader>

type of the HE-SIG PHY header

Definition at line 97 of file he-ppdu.h.

Member Enumeration Documentation

◆ TxPsdFlag

The transmit power spectral density flag, namely used to correctly build PSDs for pre-HE and HE portions.

Enumerator
PSD_NON_HE_PORTION 

Non-HE portion of an HE PPDU.

PSD_HE_PORTION 

HE portion of an HE PPDU.

Definition at line 103 of file he-ppdu.h.

Constructor & Destructor Documentation

◆ HePpdu() [1/2]

ns3::HePpdu::HePpdu ( Ptr< const WifiPsdu > psdu,
const WifiTxVector & txVector,
const WifiPhyOperatingChannel & channel,
Time ppduDuration,
uint64_t uid )

Create an SU HE PPDU, storing a PSDU.

Parameters
psduthe PHY payload (PSDU)
txVectorthe TXVECTOR that was used for this PPDU
channelthe operating channel of the PHY used to transmit this PPDU
ppduDurationthe transmission duration of this PPDU
uidthe unique ID of this PPDU

Definition at line 65 of file he-ppdu.cc.

References IsMu(), NS_ASSERT, NS_LOG_FUNCTION, and SetPhyHeaders().

+ Here is the call graph for this function:

◆ HePpdu() [2/2]

ns3::HePpdu::HePpdu ( const WifiConstPsduMap & psdus,
const WifiTxVector & txVector,
const WifiPhyOperatingChannel & channel,
Time ppduDuration,
uint64_t uid,
TxPsdFlag flag )

Create an MU HE PPDU, storing a map of PSDUs.

This PPDU can either be UL or DL.

Parameters
psdusthe PHY payloads (PSDUs)
txVectorthe TXVECTOR that was used for this PPDU
channelthe operating channel of the PHY used to transmit this PPDU
ppduDurationthe transmission duration of this PPDU
uidthe unique ID of this PPDU or of the triggering PPDU if this is an HE TB PPDU
flagthe flag indicating the type of Tx PSD to build

Definition at line 43 of file he-ppdu.cc.

References ns3::WifiPpdu::m_psdus, NS_LOG_FUNCTION, and SetPhyHeaders().

+ Here is the call graph for this function:

Member Function Documentation

◆ Copy()

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

Copy this instance.

Returns
a Ptr to a copy of this instance.

Reimplemented from ns3::WifiPpdu.

Definition at line 325 of file he-ppdu.cc.

◆ DoGetTxVector()

WifiTxVector ns3::HePpdu::DoGetTxVector ( ) const
overrideprivatevirtual

Get the TXVECTOR used to send the PPDU.

Returns
the TXVECTOR of the PPDU.

Reimplemented from ns3::WifiPpdu.

Definition at line 156 of file he-ppdu.cc.

References ns3::WifiPpdu::m_preamble, ns3::WifiTxVector::SetPreambleType(), and SetTxVectorFromPhyHeaders().

+ Here is the call graph for this function:

◆ GetChannelWidthEncodingFromMhz()

uint8_t ns3::HePpdu::GetChannelWidthEncodingFromMhz ( MHz_u channelWidth)
staticprotected

Convert channel width expressed in MHz to bandwidth field encoding in HE-SIG-A.

Parameters
channelWidththe channel width in MHz
Returns
the value used to encode the bandwidth field in HE-SIG-A

Definition at line 685 of file he-ppdu.cc.

Referenced by ns3::EhtPpdu::SetEhtPhyHeader(), and SetHeSigHeader().

+ Here is the caller graph for this function:

◆ GetChannelWidthMhzFromEncoding()

MHz_u ns3::HePpdu::GetChannelWidthMhzFromEncoding ( uint8_t bandwidth)
staticprotected

Convert channel width expressed in MHz from bandwidth field encoding in HE-SIG-A.

Parameters
bandwidththe value of the bandwidth field in HE-SIG-A
Returns
the channel width in MHz

Definition at line 706 of file he-ppdu.cc.

Referenced by ns3::EhtPpdu::SetTxVectorFromPhyHeaders(), and SetTxVectorFromPhyHeaders().

+ Here is the caller graph for this function:

◆ GetGuardIntervalAndNltfEncoding()

uint8_t ns3::HePpdu::GetGuardIntervalAndNltfEncoding ( Time guardInterval,
uint8_t nltf )
staticprotected

Convert guard interval and NLTF to its encoding in HE-SIG-A.

Parameters
guardIntervalthe guard interval
nltfthe the number of long training symbols
Returns
the value used to encode the NSTS field in HE-SIG-A

Definition at line 727 of file he-ppdu.cc.

References ns3::Time::GetNanoSeconds().

Referenced by ns3::EhtPpdu::SetEhtPhyHeader(), and SetHeSigHeader().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ GetGuardIntervalFromEncoding()

Time ns3::HePpdu::GetGuardIntervalFromEncoding ( uint8_t giAndNltfSize)
staticprotected

Convert guard interval from its encoding in HE-SIG-A.

Parameters
giAndNltfSizethe value used to encode the guard interval and NLTF field in HE-SIG-A
Returns
the guard interval

Definition at line 749 of file he-ppdu.cc.

References ns3::NanoSeconds().

Referenced by ns3::EhtPpdu::SetTxVectorFromPhyHeaders(), and SetTxVectorFromPhyHeaders().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ GetHeSigBContentChannels()

HePpdu::HeSigBContentChannels ns3::HePpdu::GetHeSigBContentChannels ( const WifiTxVector & txVector,
uint8_t p20Index )
static

Get the HE SIG-B content channels for a given PPDU IEEE 802.11ax-2021 27.3.11.8.2 HE-SIG-B content channels.

Parameters
txVectorthe TXVECTOR used for the PPDU
p20Indexthe index of the primary20 channel
Returns
HE-SIG-B content channels

Definition at line 544 of file he-ppdu.cc.

References ns3::WifiTxVector::GetChannelWidth(), ns3::WifiTxVector::GetHeMuUserInfo(), ns3::WifiTxVector::GetHeMuUserInfoMap(), ns3::WifiTxVector::GetRuAllocation(), ns3::WifiTxVector::GetUserInfoMapOrderedByRus(), ns3::WifiTxVector::IsSigBCompression(), and NS_ASSERT.

Referenced by HeSigBDurationTest::DoRun(), ns3::EhtPpdu::GetEhtSigContentChannels(), and SetHeSigHeader().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ GetMuMimoUsersEncoding()

uint8_t ns3::HePpdu::GetMuMimoUsersEncoding ( uint8_t nUsers)
staticprotected

Convert number of MU-MIMO users to its encoding in HE-SIG-A.

Parameters
nUsersthe number of MU-MIMO users
Returns
the number of MU-MIMO users to its encoding in HE-SIG-A

Definition at line 780 of file he-ppdu.cc.

References NS_ASSERT.

Referenced by SetHeSigHeader().

+ Here is the caller graph for this function:

◆ GetMuMimoUsersFromEncoding()

uint8_t ns3::HePpdu::GetMuMimoUsersFromEncoding ( uint8_t encoding)
staticprotected

Convert number of MU-MIMO users from its encoding in HE-SIG-A.

Parameters
encodingthe number of MU-MIMO users encoded in HE-SIG-A
Returns
the number of MU-MIMO users from its encoding in HE-SIG-A

Definition at line 787 of file he-ppdu.cc.

Referenced by SetTxVectorFromPhyHeaders().

+ Here is the caller graph for this function:

◆ GetNssFromNstsEncoding()

uint8_t ns3::HePpdu::GetNssFromNstsEncoding ( uint8_t nsts)
staticprotected

Convert number of spatial streams from NSTS field encoding in HE-SIG-A.

Parameters
nststhe value of the NSTS field in HE-SIG-A
Returns
the number of spatial streams

Definition at line 774 of file he-ppdu.cc.

Referenced by SetTxVectorFromPhyHeaders().

+ Here is the caller graph for this function:

◆ GetNstsEncodingFromNss()

uint8_t ns3::HePpdu::GetNstsEncodingFromNss ( uint8_t nss)
staticprotected

Convert number of spatial streams to NSTS field encoding in HE-SIG-A.

Parameters
nssthe number of spatial streams
Returns
the value used to encode the NSTS field in HE-SIG-A

Definition at line 767 of file he-ppdu.cc.

References NS_ASSERT.

Referenced by SetHeSigHeader().

+ Here is the caller graph for this function:

◆ GetNumRusPerHeSigBContentChannel()

std::pair< std::size_t, std::size_t > ns3::HePpdu::GetNumRusPerHeSigBContentChannel ( MHz_u channelWidth,
const RuAllocation & ruAllocation,
bool sigBCompression,
uint8_t numMuMimoUsers )
static

Get the number of STAs per HE-SIG-B content channel.

This is applicable only for MU. See section 27.3.10.8.3 of IEEE 802.11ax draft 4.0.

Parameters
channelWidththe channel width occupied by the PPDU
ruAllocation8 bit RU_ALLOCATION per 20 MHz
sigBCompressionflag whether SIG-B compression is used by the PPDU
numMuMimoUsersthe number of MU-MIMO users addressed by the PPDU
Returns
a pair containing the number of RUs in each HE-SIG-B content channel (resp. 1 and 2)

Definition at line 475 of file he-ppdu.cc.

References NS_ASSERT_MSG.

Referenced by HeSigBDurationTest::DoRun(), and ns3::EhtPpdu::GetNumRusPerEhtSigBContentChannel().

+ Here is the caller graph for this function:

◆ GetPsdu()

Ptr< const WifiPsdu > ns3::HePpdu::GetPsdu ( uint8_t bssColor,
uint16_t staId = SU_STA_ID ) const

Get the payload of the PPDU.

Parameters
bssColorthe BSS color of the PHY calling this function.
staIdthe STA-ID of the PHY calling this function.
Returns
the PSDU

Definition at line 363 of file he-ppdu.cc.

References ns3::IsMu(), ns3::IsUlMu(), and NS_ASSERT.

+ Here is the call graph for this function:

◆ GetSigBFieldSize()

uint32_t ns3::HePpdu::GetSigBFieldSize ( MHz_u channelWidth,
const RuAllocation & ruAllocation,
bool sigBCompression,
std::size_t numMuMimoUsers )
static

Get variable length HE SIG-B field size.

Parameters
channelWidththe channel width occupied by the PPDU
ruAllocation8 bit RU_ALLOCATION per 20 MHz
sigBCompressionflag whether SIG-B compression is used by the PPDU
numMuMimoUsersthe number of MU-MIMO users addressed by the PPDU
Returns
field size in bytes

Definition at line 629 of file he-ppdu.cc.

Referenced by ns3::HePhy::GetSigBSize().

+ Here is the caller graph for this function:

◆ GetStaId()

uint16_t ns3::HePpdu::GetStaId ( ) const
overridevirtual

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 from ns3::WifiPpdu.

Definition at line 400 of file he-ppdu.cc.

References ns3::IsUlMu(), and NS_ASSERT.

+ Here is the call graph for this function:

◆ GetTxChannelWidth()

MHz_u ns3::HePpdu::GetTxChannelWidth ( ) const
overridevirtual

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

Returns
the effective channel width used for the tranmsission

Reimplemented from ns3::WifiPpdu.

Definition at line 407 of file he-ppdu.cc.

References NS_LOG_INFO.

◆ GetTxDuration()

Time ns3::HePpdu::GetTxDuration ( ) const
overridevirtual

Get the total transmission duration of the PPDU.

Returns
the transmission duration of the PPDU

Reimplemented from ns3::WifiPpdu.

Definition at line 303 of file he-ppdu.cc.

References ns3::IsDlMu(), ns3::MicroSeconds(), NS_ASSERT, ns3::Seconds(), and ns3::WIFI_PHY_BAND_2_4GHZ.

+ Here is the call graph for this function:

◆ GetTxPsdFlag()

HePpdu::TxPsdFlag ns3::HePpdu::GetTxPsdFlag ( ) const
Returns
the transmit PSD flag set for this PPDU
See also
TxPsdFlag

Definition at line 426 of file he-ppdu.cc.

◆ GetType()

WifiPpduType ns3::HePpdu::GetType ( ) const
overridevirtual

Return the PPDU type (.

See also
WifiPpduType)
Returns
the PPDU type

Reimplemented from ns3::WifiPpdu.

Definition at line 331 of file he-ppdu.cc.

References ns3::WIFI_PPDU_TYPE_DL_MU, ns3::WIFI_PPDU_TYPE_SU, ns3::WIFI_PPDU_TYPE_UL_MU, ns3::WIFI_PREAMBLE_HE_MU, and ns3::WIFI_PREAMBLE_HE_TB.

◆ IsDlMu()

bool ns3::HePpdu::IsDlMu ( ) const
privatevirtual

Return true if the PPDU is a DL MU PPDU.

Returns
true if the PPDU is a DL MU PPDU

Reimplemented in ns3::EhtPpdu.

Definition at line 351 of file he-ppdu.cc.

References ns3::WIFI_PREAMBLE_HE_MU.

Referenced by SetLSigHeader(), and SetTxVectorFromPhyHeaders().

+ Here is the caller graph for this function:

◆ IsMu()

bool ns3::HePpdu::IsMu ( ) const
privatevirtual

Return true if the PPDU is a MU PPDU.

Returns
true if the PPDU is a MU PPDU

Definition at line 345 of file he-ppdu.cc.

References ns3::IsDlMu(), and ns3::IsUlMu().

Referenced by HePpdu(), and SetTxVectorFromPhyHeaders().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ IsUlMu()

bool ns3::HePpdu::IsUlMu ( ) const
privatevirtual

Return true if the PPDU is an UL MU PPDU.

Returns
true if the PPDU is an UL MU PPDU

Reimplemented in ns3::EhtPpdu.

Definition at line 357 of file he-ppdu.cc.

References ns3::WIFI_PREAMBLE_HE_TB.

Referenced by SetTxVectorFromPhyHeaders().

+ Here is the caller graph for this function:

◆ PrintPayload()

std::string ns3::HePpdu::PrintPayload ( ) const
overrideprivatevirtual

Print the payload of the PPDU.

Returns
information on the payload part of the PPDU

Reimplemented from ns3::WifiPpdu.

Definition at line 669 of file he-ppdu.cc.

References ns3::IsMu().

+ Here is the call graph for this function:

◆ SetHeMuUserInfos()

void ns3::HePpdu::SetHeMuUserInfos ( WifiTxVector & txVector,
const RuAllocation & ruAllocation,
const HeSigBContentChannels & contentChannels,
bool sigBCompression,
uint8_t numMuMimoUsers ) const
protected

Reconstruct HeMuUserInfoMap from HE-SIG-B header.

Parameters
txVectorthe TXVECTOR to set its HeMuUserInfoMap
ruAllocationthe RU_ALLOCATION per 20 MHz
contentChannelsthe HE-SIG-B content channels
sigBCompressionflag whether SIG-B compression is used by the PPDU
numMuMimoUsersthe number of MU-MIMO users addressed by the PPDU

Definition at line 214 of file he-ppdu.cc.

References ns3::HeRu::GetBandwidth(), ns3::WifiTxVector::GetChannelWidth(), ns3::HeRu::GetRusOfType(), ns3::HeRu::GetRuSpecs(), ns3::WifiTxVector::IsAllocated(), ns3::NO_USER_STA_ID, NS_ASSERT, ns3::HeRu::RU_2x996_TONE, ns3::HeRu::RU_996_TONE, and ns3::WifiTxVector::SetHeMuUserInfo().

Referenced by ns3::EhtPpdu::SetTxVectorFromPhyHeaders(), and SetTxVectorFromPhyHeaders().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ SetHeSigHeader()

◆ SetLSigHeader()

void ns3::HePpdu::SetLSigHeader ( Time ppduDuration)
private

Fill in the L-SIG header.

Parameters
ppduDurationthe transmission duration of this PPDU

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

References ns3::Time::GetNanoSeconds(), ns3::WifiPhyOperatingChannel::GetPhyBand(), IsDlMu(), ns3::WifiPhyOperatingChannel::IsSet(), ns3::OfdmPpdu::m_lSig, ns3::WifiPpdu::m_operatingChannel, NS_ASSERT, ns3::OfdmPpdu::LSigHeader::SetLength(), and ns3::WIFI_PHY_BAND_2_4GHZ.

Referenced by SetPhyHeaders().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ SetPhyHeaders()

void ns3::HePpdu::SetPhyHeaders ( const WifiTxVector & txVector,
Time ppduDuration )
private

Fill in the PHY headers.

Parameters
txVectorthe TXVECTOR that was used for this PPDU
ppduDurationthe transmission duration of this PPDU

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

References NS_LOG_FUNCTION, SetHeSigHeader(), and SetLSigHeader().

Referenced by HePpdu(), and HePpdu().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ SetTxPsdFlag()

void ns3::HePpdu::SetTxPsdFlag ( TxPsdFlag flag) const
Parameters
flagthe transmit PSD flag set for this PPDU
See also
TxPsdFlag

Definition at line 432 of file he-ppdu.cc.

References NS_LOG_FUNCTION.

◆ SetTxVectorFromPhyHeaders()

void ns3::HePpdu::SetTxVectorFromPhyHeaders ( WifiTxVector & txVector) const
protectedvirtual

◆ UpdateTxVectorForUlMu()

void ns3::HePpdu::UpdateTxVectorForUlMu ( const std::optional< WifiTxVector > & trigVector) const

Update the TXVECTOR for HE TB PPDUs, since the information to decode HE TB PPDUs is not available from the PHY headers but it requires information from the TRIGVECTOR of the AP expecting these HE TB PPDUs.

Parameters
trigVectorthe TRIGVECTOR or std::nullopt if no TRIGVECTOR is available at the caller

Definition at line 439 of file he-ppdu.cc.

References NS_ASSERT, NS_LOG_FUNCTION, ns3::WIFI_MOD_CLASS_HE, and ns3::WIFI_PPDU_TYPE_UL_MU.

Member Data Documentation

◆ m_heSig

HeSigHeader ns3::HePpdu::m_heSig
private

the HE-SIG PHY header

Definition at line 355 of file he-ppdu.h.

Referenced by SetHeSigHeader(), and SetTxVectorFromPhyHeaders().

◆ m_txPsdFlag

TxPsdFlag ns3::HePpdu::m_txPsdFlag
mutableprotected

the transmit power spectral density flag

Definition at line 309 of file he-ppdu.h.


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