27 #include "ns3/wifi-phy-operating-channel.h"
28 #include "ns3/wifi-phy.h"
29 #include "ns3/wifi-psdu.h"
63 ((ceil((
static_cast<double>(ppduDuration.
GetNanoSeconds() - (20 * 1000)) / 1000) / 4.0) *
72 Time ppduDuration)
const
118 const auto tSymbol =
NanoSeconds(3200 + txVector.GetGuardInterval());
120 const auto calculatedDuration =
121 MicroSeconds(((ceil(
static_cast<double>(length + 3) / 3)) * 4) + 20);
123 floor(
static_cast<double>((calculatedDuration - preambleDuration).GetNanoSeconds()) /
124 tSymbol.GetNanoSeconds());
125 if (sgi && sgiDisambiguation)
129 return (preambleDuration + (nSymbols * tSymbol));
148 m_sgi_disambiguation(0),
163 if (channelWidth == 160)
167 else if (channelWidth == 80)
171 else if (channelWidth == 40)
206 m_nsts = (nStreams - 1);
230 m_sgi_disambiguation = disambiguation ? 1 : 0;
236 return m_sgi_disambiguation;
LSigHeader m_lSig
the L-SIG PHY header
Simulation virtual time values and global simulation resolution.
int64_t GetNanoSeconds() const
Get an approximation of the time stored in this instance in the indicated unit.
static WifiMode GetVhtMcs(uint8_t index)
Return the VHT MCS corresponding to the provided index.
VhtSigHeader m_vhtSig
the VHT-SIG PHY header
virtual void SetPhyHeaders(const WifiTxVector &txVector, Time ppduDuration)
Fill in the PHY headers.
WifiPpduType GetType() const override
Return the PPDU type (.
WifiTxVector DoGetTxVector() const override
Get the TXVECTOR used to send the PPDU.
VhtPpdu(Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, const WifiPhyOperatingChannel &channel, Time ppduDuration, uint64_t uid)
Create a VHT PPDU.
void SetTxVectorFromPhyHeaders(WifiTxVector &txVector, const LSigHeader &lSig, const VhtSigHeader &vhtSig) const
Fill in the TXVECTOR from PHY headers.
void SetVhtSigHeader(VhtSigHeader &vhtSig, const WifiTxVector &txVector, Time ppduDuration) const
Fill in the VHT-SIG header.
Time GetTxDuration() const override
Get the total transmission duration of the PPDU.
Ptr< WifiPpdu > Copy() const override
Copy this instance.
virtual void SetLSigHeader(LSigHeader &lSig, Time ppduDuration) const
Fill in the L-SIG header.
uint8_t GetMcsValue() const
static Time CalculatePhyPreambleAndHeaderDuration(const WifiTxVector &txVector)
Class that keeps track of all information about the current PHY operating channel.
WifiPreamble m_preamble
the PHY preamble
Ptr< const WifiPsdu > GetPsdu() const
Get the payload of the PPDU.
const WifiTxVector & GetTxVector() const
Get the TXVECTOR used to send the PPDU.
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
uint16_t GetGuardInterval() const
void SetChannelWidth(uint16_t channelWidth)
Sets the selected channelWidth (in MHz)
void SetGuardInterval(uint16_t guardInterval)
Sets the guard interval duration (in nanoseconds)
WifiMode GetMode(uint16_t staId=SU_STA_ID) const
If this TX vector is associated with an SU PPDU, return the selected payload transmission mode.
void SetAggregation(bool aggregation)
Sets if PSDU contains A-MPDU.
uint8_t GetNss(uint16_t staId=SU_STA_ID) const
If this TX vector is associated with an SU PPDU, return the number of spatial streams.
uint16_t GetChannelWidth() const
void SetMode(WifiMode mode)
Sets the selected payload transmission mode.
void SetNss(uint8_t nss)
Sets the number of Nss.
void SetPreambleType(WifiPreamble preamble)
Sets the preamble type.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
Time MicroSeconds(uint64_t value)
Construct a Time in the indicated unit.
Time NanoSeconds(uint64_t value)
Construct a Time in the indicated unit.
WifiPpduType
The type of PPDU (SU, DL MU, or UL MU)
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Declaration of ns3::VhtPhy class.
Declaration of ns3::VhtPpdu class.