A Discrete-Event Network Simulator
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ht-ppdu.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2020 Orange Labs
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* Author: Rediet <getachew.redieteab@orange.com>
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* Muhammad Iqbal Rochman <muhiqbalcr@uchicago.edu>
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* Sébastien Deronne <sebastien.deronne@gmail.com> (HtSigHeader)
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*/
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#ifndef HT_PPDU_H
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#define HT_PPDU_H
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#include "ns3/ofdm-ppdu.h"
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/**
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* \file
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* \ingroup wifi
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* Declaration of ns3::HtPpdu class.
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*/
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namespace
ns3
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{
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class
WifiPsdu;
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/**
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* \brief HT PPDU (11n)
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* \ingroup wifi
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*
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* HtPpdu stores a preamble, PHY headers and a PSDU of a PPDU with HT header
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*/
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class
HtPpdu
:
public
OfdmPpdu
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{
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public
:
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/**
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* HT PHY header (HT-SIG1/2).
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* See section 19.3.9 in IEEE 802.11-2016.
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*/
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class
HtSigHeader
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{
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public
:
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HtSigHeader
();
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/**
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* Fill the MCS field of HT-SIG.
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*
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* \param mcs the MCS field of HT-SIG
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*/
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void
SetMcs
(uint8_t mcs);
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/**
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* Return the MCS field of HT-SIG.
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*
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* \return the MCS field of HT-SIG
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*/
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uint8_t
GetMcs
()
const
;
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/**
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* Fill the channel width field of HT-SIG.
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*
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* \param channelWidth the channel width
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*/
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void
SetChannelWidth
(
MHz_u
channelWidth);
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/**
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* Return the channel width.
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*
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* \return the channel width
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*/
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MHz_u
GetChannelWidth
()
const
;
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/**
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* Fill the aggregation field of HT-SIG.
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*
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* \param aggregation whether the PSDU contains A-MPDU or not
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*/
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void
SetAggregation
(
bool
aggregation);
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/**
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* Return the aggregation field of HT-SIG.
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*
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* \return the aggregation field of HT-SIG
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*/
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bool
GetAggregation
()
const
;
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/**
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* Fill the short guard interval field of HT-SIG.
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*
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* \param sgi whether short guard interval is used or not
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*/
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void
SetShortGuardInterval
(
bool
sgi);
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/**
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* Return the short guard interval field of HT-SIG.
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*
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* \return the short guard interval field of HT-SIG
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*/
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bool
GetShortGuardInterval
()
const
;
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/**
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* Fill the HT length field of HT-SIG (in bytes).
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*
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* \param length the HT length field of HT-SIG (in bytes)
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*/
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void
SetHtLength
(uint16_t length);
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/**
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* Return the HT length field of HT-SIG (in bytes).
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*
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* \return the HT length field of HT-SIG (in bytes)
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*/
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uint16_t
GetHtLength
()
const
;
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private
:
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uint8_t
m_mcs
;
///< Modulation and Coding Scheme index
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uint8_t
m_cbw20_40
;
///< CBW 20/40
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uint16_t
m_htLength
;
///< HT length
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uint8_t
m_aggregation
;
///< Aggregation
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uint8_t
m_sgi
;
///< Short Guard Interval
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};
// HtSigHeader
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/**
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* Create an HT PPDU.
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*
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* \param psdu the PHY payload (PSDU)
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* \param txVector the TXVECTOR that was used for this PPDU
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* \param channel the operating channel of the PHY used to transmit this PPDU
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* \param ppduDuration the transmission duration of this PPDU
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* \param uid the unique ID of this PPDU
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*/
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HtPpdu
(
Ptr<const WifiPsdu>
psdu,
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const
WifiTxVector
& txVector,
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const
WifiPhyOperatingChannel
& channel,
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Time
ppduDuration,
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uint64_t uid);
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Time
GetTxDuration
()
const override
;
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Ptr<WifiPpdu>
Copy
()
const override
;
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private
:
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WifiTxVector
DoGetTxVector
()
const override
;
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/**
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* Fill in the PHY headers.
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*
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* \param txVector the TXVECTOR that was used for this PPDU
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* \param ppduDuration the transmission duration of this PPDU
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* \param psduSize the size duration of the PHY payload (PSDU)
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*/
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void
SetPhyHeaders
(
const
WifiTxVector
& txVector,
Time
ppduDuration, std::size_t psduSize);
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/**
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* Fill in the L-SIG header.
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*
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* \param lSig the L-SIG header to fill in
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* \param ppduDuration the transmission duration of this PPDU
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*/
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virtual
void
SetLSigHeader
(
LSigHeader
& lSig,
Time
ppduDuration)
const
;
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/**
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* Fill in the HT-SIG header.
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*
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* \param htSig the HT-SIG header to fill in
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* \param txVector the TXVECTOR that was used for this PPDU
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* \param psduSize the size duration of the PHY payload (PSDU)
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*/
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void
SetHtSigHeader
(
HtSigHeader
& htSig,
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const
WifiTxVector
& txVector,
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std::size_t psduSize)
const
;
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/**
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* Fill in the TXVECTOR from PHY headers.
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*
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* \param txVector the TXVECTOR to fill in
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* \param lSig the L-SIG header
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* \param htSig the HT-SIG header
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*/
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void
SetTxVectorFromPhyHeaders
(
WifiTxVector
& txVector,
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const
LSigHeader
& lSig,
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const
HtSigHeader
& htSig)
const
;
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HtSigHeader
m_htSig
;
//!< the HT-SIG PHY header
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};
// class HtPpdu
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}
// namespace ns3
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#endif
/* HT_PPDU_H */
double
ns3::HtPpdu::HtSigHeader
HT PHY header (HT-SIG1/2).
Definition
ht-ppdu.h:41
ns3::HtPpdu::HtSigHeader::m_mcs
uint8_t m_mcs
Modulation and Coding Scheme index.
Definition
ht-ppdu.h:107
ns3::HtPpdu::HtSigHeader::GetHtLength
uint16_t GetHtLength() const
Return the HT length field of HT-SIG (in bytes).
Definition
ht-ppdu.cc:154
ns3::HtPpdu::HtSigHeader::GetMcs
uint8_t GetMcs() const
Return the MCS field of HT-SIG.
Definition
ht-ppdu.cc:130
ns3::HtPpdu::HtSigHeader::SetHtLength
void SetHtLength(uint16_t length)
Fill the HT length field of HT-SIG (in bytes).
Definition
ht-ppdu.cc:148
ns3::HtPpdu::HtSigHeader::GetAggregation
bool GetAggregation() const
Return the aggregation field of HT-SIG.
Definition
ht-ppdu.cc:166
ns3::HtPpdu::HtSigHeader::m_htLength
uint16_t m_htLength
HT length.
Definition
ht-ppdu.h:109
ns3::HtPpdu::HtSigHeader::SetMcs
void SetMcs(uint8_t mcs)
Fill the MCS field of HT-SIG.
Definition
ht-ppdu.cc:123
ns3::HtPpdu::HtSigHeader::SetChannelWidth
void SetChannelWidth(MHz_u channelWidth)
Fill the channel width field of HT-SIG.
Definition
ht-ppdu.cc:136
ns3::HtPpdu::HtSigHeader::GetShortGuardInterval
bool GetShortGuardInterval() const
Return the short guard interval field of HT-SIG.
Definition
ht-ppdu.cc:178
ns3::HtPpdu::HtSigHeader::HtSigHeader
HtSigHeader()
Definition
ht-ppdu.cc:113
ns3::HtPpdu::HtSigHeader::GetChannelWidth
MHz_u GetChannelWidth() const
Return the channel width.
Definition
ht-ppdu.cc:142
ns3::HtPpdu::HtSigHeader::SetAggregation
void SetAggregation(bool aggregation)
Fill the aggregation field of HT-SIG.
Definition
ht-ppdu.cc:160
ns3::HtPpdu::HtSigHeader::m_sgi
uint8_t m_sgi
Short Guard Interval.
Definition
ht-ppdu.h:111
ns3::HtPpdu::HtSigHeader::m_cbw20_40
uint8_t m_cbw20_40
CBW 20/40.
Definition
ht-ppdu.h:108
ns3::HtPpdu::HtSigHeader::SetShortGuardInterval
void SetShortGuardInterval(bool sgi)
Fill the short guard interval field of HT-SIG.
Definition
ht-ppdu.cc:172
ns3::HtPpdu::HtSigHeader::m_aggregation
uint8_t m_aggregation
Aggregation.
Definition
ht-ppdu.h:110
ns3::HtPpdu
HT PPDU (11n)
Definition
ht-ppdu.h:34
ns3::HtPpdu::m_htSig
HtSigHeader m_htSig
the HT-SIG PHY header
Definition
ht-ppdu.h:174
ns3::HtPpdu::HtPpdu
HtPpdu(Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, Time ppduDuration, uint64_t uid)
Create an HT PPDU.
Definition
ht-ppdu.cc:26
ns3::HtPpdu::DoGetTxVector
WifiTxVector DoGetTxVector() const override
Get the TXVECTOR used to send the PPDU.
Definition
ht-ppdu.cc:78
ns3::HtPpdu::Copy
Ptr< WifiPpdu > Copy() const override
Copy this instance.
Definition
ht-ppdu.cc:108
ns3::HtPpdu::SetHtSigHeader
void SetHtSigHeader(HtSigHeader &htSig, const WifiTxVector &txVector, std::size_t psduSize) const
Fill in the HT-SIG header.
Definition
ht-ppdu.cc:68
ns3::HtPpdu::SetLSigHeader
virtual void SetLSigHeader(LSigHeader &lSig, Time ppduDuration) const
Fill in the L-SIG header.
Definition
ht-ppdu.cc:50
ns3::HtPpdu::SetPhyHeaders
void SetPhyHeaders(const WifiTxVector &txVector, Time ppduDuration, std::size_t psduSize)
Fill in the PHY headers.
Definition
ht-ppdu.cc:42
ns3::HtPpdu::SetTxVectorFromPhyHeaders
void SetTxVectorFromPhyHeaders(WifiTxVector &txVector, const LSigHeader &lSig, const HtSigHeader &htSig) const
Fill in the TXVECTOR from PHY headers.
Definition
ht-ppdu.cc:87
ns3::HtPpdu::GetTxDuration
Time GetTxDuration() const override
Get the total transmission duration of the PPDU.
Definition
ht-ppdu.cc:99
ns3::OfdmPpdu::LSigHeader
OFDM and ERP OFDM L-SIG PHY header.
Definition
ofdm-ppdu.h:43
ns3::OfdmPpdu
OFDM PPDU (11a)
Definition
ofdm-ppdu.h:36
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition
mpi-test-fixtures.h:37
ns3::Time
Simulation virtual time values and global simulation resolution.
Definition
nstime.h:94
ns3::WifiPhyOperatingChannel
Class that keeps track of all information about the current PHY operating channel.
Definition
wifi-phy-operating-channel.h:62
ns3::WifiTxVector
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
Definition
wifi-tx-vector.h:101
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
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wifi
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ht
ht-ppdu.h
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