HT PPDU (11n) More...
#include "ht-ppdu.h"
Classes | |
class | HtSigHeader |
HT PHY header (HT-SIG1/2). More... | |
Public Member Functions | |
HtPpdu (Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, Time ppduDuration, uint64_t uid) | |
Create an HT PPDU. | |
Ptr< WifiPpdu > | Copy () const override |
Copy this instance. | |
Time | GetTxDuration () const override |
Get the total transmission duration of the PPDU. | |
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< WifiPpdu > | Copy () 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 ()=default |
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 WifiPsdu > | GetPsdu () const |
Get the payload of the PPDU. | |
virtual uint16_t | GetStaId () const |
Get the ID of the STA that transmitted the PPDU for UL MU, SU_STA_ID otherwise. | |
std::vector< MHz_u > | GetTxCenterFreqs () const |
virtual MHz_u | GetTxChannelWidth () const |
Get the channel width over which the PPDU will effectively be transmitted. | |
const WifiTxVector & | GetTxVector () const |
Get the TXVECTOR used to send the PPDU. | |
virtual WifiPpduType | GetType () const |
Return the PPDU type (. | |
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. | |
SimpleRefCount & | operator= (const SimpleRefCount &o) |
Assignment operator. | |
void | Ref () const |
Increment the reference count. | |
void | Unref () const |
Decrement the reference count. | |
Private Member Functions | |
WifiTxVector | DoGetTxVector () const override |
Get the TXVECTOR used to send the PPDU. | |
void | SetHtSigHeader (HtSigHeader &htSig, const WifiTxVector &txVector, std::size_t psduSize) const |
Fill in the HT-SIG header. | |
virtual void | SetLSigHeader (LSigHeader &lSig, Time ppduDuration) const |
Fill in the L-SIG header. | |
void | SetPhyHeaders (const WifiTxVector &txVector, Time ppduDuration, std::size_t psduSize) |
Fill in the PHY headers. | |
void | SetTxVectorFromPhyHeaders (WifiTxVector &txVector, const LSigHeader &lSig, const HtSigHeader &htSig) const |
Fill in the TXVECTOR from PHY headers. | |
Private Attributes | |
HtSigHeader | m_htSig |
the HT-SIG PHY header | |
Additional Inherited Members | |
Protected Member Functions inherited from ns3::WifiPpdu | |
virtual std::string | PrintPayload () const |
Print the payload of the PPDU. | |
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 WifiPhyOperatingChannel & | m_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_u > | m_txCenterFreqs |
the center frequency per segment used for the transmission of this PPDU | |
std::optional< WifiTxVector > | m_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 | |
HT PPDU (11n)
HtPpdu stores a preamble, PHY headers and a PSDU of a PPDU with HT header
ns3::HtPpdu::HtPpdu | ( | Ptr< const WifiPsdu > | psdu, |
const WifiTxVector & | txVector, | ||
const WifiPhyOperatingChannel & | channel, | ||
Time | ppduDuration, | ||
uint64_t | uid ) |
Create an HT PPDU.
psdu | the PHY payload (PSDU) |
txVector | the TXVECTOR that was used for this PPDU |
channel | the operating channel of the PHY used to transmit this PPDU |
ppduDuration | the transmission duration of this PPDU |
uid | the unique ID of this PPDU |
Definition at line 26 of file ht-ppdu.cc.
References NS_LOG_FUNCTION, and SetPhyHeaders().
Referenced by Copy().
Copy this instance.
Reimplemented from ns3::WifiPpdu.
Definition at line 108 of file ht-ppdu.cc.
References HtPpdu().
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overrideprivatevirtual |
Get the TXVECTOR used to send the PPDU.
Reimplemented from ns3::WifiPpdu.
Definition at line 78 of file ht-ppdu.cc.
References m_htSig, ns3::OfdmPpdu::m_lSig, ns3::WifiPpdu::m_preamble, ns3::WifiTxVector::SetPreambleType(), and SetTxVectorFromPhyHeaders().
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overridevirtual |
Get the total transmission duration of the PPDU.
Reimplemented from ns3::WifiPpdu.
Definition at line 99 of file ht-ppdu.cc.
References ns3::WifiPhy::CalculateTxDuration(), ns3::HtPpdu::HtSigHeader::GetHtLength(), ns3::WifiPhyOperatingChannel::GetPhyBand(), ns3::WifiPpdu::GetTxVector(), ns3::WifiPhyOperatingChannel::IsSet(), m_htSig, ns3::WifiPpdu::m_operatingChannel, and NS_ASSERT.
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private |
Fill in the HT-SIG header.
htSig | the HT-SIG header to fill in |
txVector | the TXVECTOR that was used for this PPDU |
psduSize | the size duration of the PHY payload (PSDU) |
Definition at line 68 of file ht-ppdu.cc.
References ns3::WifiTxVector::GetChannelWidth(), ns3::WifiTxVector::GetGuardInterval(), ns3::WifiMode::GetMcsValue(), ns3::WifiTxVector::GetMode(), ns3::Time::GetNanoSeconds(), ns3::WifiTxVector::IsAggregation(), ns3::HtPpdu::HtSigHeader::SetAggregation(), ns3::HtPpdu::HtSigHeader::SetChannelWidth(), ns3::HtPpdu::HtSigHeader::SetHtLength(), ns3::HtPpdu::HtSigHeader::SetMcs(), and ns3::HtPpdu::HtSigHeader::SetShortGuardInterval().
Referenced by SetPhyHeaders().
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privatevirtual |
Fill in the L-SIG header.
lSig | the L-SIG header to fill in |
ppduDuration | the transmission duration of this PPDU |
Definition at line 50 of file ht-ppdu.cc.
References ns3::Time::GetNanoSeconds(), ns3::WifiPhyOperatingChannel::GetPhyBand(), ns3::WifiPhyOperatingChannel::IsSet(), ns3::WifiPpdu::m_operatingChannel, NS_ASSERT, ns3::OfdmPpdu::LSigHeader::SetLength(), and ns3::WIFI_PHY_BAND_2_4GHZ.
Referenced by SetPhyHeaders().
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private |
Fill in the PHY headers.
txVector | the TXVECTOR that was used for this PPDU |
ppduDuration | the transmission duration of this PPDU |
psduSize | the size duration of the PHY payload (PSDU) |
Definition at line 42 of file ht-ppdu.cc.
References m_htSig, ns3::OfdmPpdu::m_lSig, NS_LOG_FUNCTION, SetHtSigHeader(), and SetLSigHeader().
Referenced by HtPpdu().
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private |
Fill in the TXVECTOR from PHY headers.
txVector | the TXVECTOR to fill in |
lSig | the L-SIG header |
htSig | the HT-SIG header |
Definition at line 87 of file ht-ppdu.cc.
References ns3::HtPpdu::HtSigHeader::GetAggregation(), ns3::HtPpdu::HtSigHeader::GetChannelWidth(), ns3::HtPhy::GetHtMcs(), ns3::HtPpdu::HtSigHeader::GetMcs(), ns3::HtPpdu::HtSigHeader::GetShortGuardInterval(), ns3::NanoSeconds(), ns3::WifiTxVector::SetAggregation(), ns3::WifiTxVector::SetChannelWidth(), ns3::WifiTxVector::SetGuardInterval(), ns3::WifiTxVector::SetMode(), and ns3::WifiTxVector::SetNss().
Referenced by DoGetTxVector().
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private |
the HT-SIG PHY header
Definition at line 174 of file ht-ppdu.h.
Referenced by DoGetTxVector(), GetTxDuration(), and SetPhyHeaders().