27#include "ns3/wifi-phy.h"
28#include "ns3/wifi-psdu.h"
29#include "ns3/wifi-utils.h"
38 uint16_t txCenterFreq,
49 NS_LOG_FUNCTION(
this << psdu << txVector << txCenterFreq << ppduDuration << band << uid);
50 uint8_t sigExtension = 0;
55 uint16_t length = ((ceil((
static_cast<double>(ppduDuration.
GetNanoSeconds() - (20 * 1000) -
56 (sigExtension * 1000)) /
119 .SetGroupName(
"Wifi")
133 os <<
"MCS=" << +m_mcs <<
" HT_LENGTH=" << m_htLength <<
" CHANNEL_WIDTH=" << GetChannelWidth()
134 <<
" SGI=" << +m_sgi <<
" AGGREGATION=" << +m_aggregation;
159 m_cbw20_40 = (channelWidth > 20) ? 1 : 0;
165 return m_cbw20_40 ? 40 : 20;
183 m_aggregation = aggregation ? 1 : 0;
189 return m_aggregation;
207 uint8_t
byte = m_mcs;
208 byte |= ((m_cbw20_40 & 0x01) << 7);
210 start.WriteU16(m_htLength);
212 byte |= ((m_aggregation & 0x01) << 3);
213 byte |= ((m_sgi & 0x01) << 7);
222 uint8_t
byte = i.
ReadU8();
224 m_cbw20_40 = ((
byte >> 7) & 0x01);
227 m_aggregation = ((
byte >> 3) & 0x01);
228 m_sgi = ((
byte >> 7) & 0x01);
iterator in a Buffer instance
uint32_t GetDistanceFrom(const Iterator &o) const
static WifiMode GetHtMcs(uint8_t index)
Return the HT MCS corresponding to the provided index.
HtSigHeader m_htSig
the HT-SIG PHY header
WifiTxVector DoGetTxVector() const override
Get the TXVECTOR used to send the PPDU.
Ptr< WifiPpdu > Copy() const override
Copy this instance.
~HtPpdu() override
Destructor for HtPpdu.
Time GetTxDuration() const override
Get the total transmission duration of the PPDU.
HtPpdu(Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector, uint16_t txCenterFreq, Time ppduDuration, WifiPhyBand band, uint64_t uid)
Create an HT PPDU.
WifiPhyBand m_band
the WifiPhyBand used to transmit that PPDU
LSigHeader m_lSig
the L-SIG PHY header
uint16_t m_channelWidth
the channel width used to transmit that PPDU in MHz
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.
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
uint8_t GetMcsValue() const
static Time CalculateTxDuration(uint32_t size, const WifiTxVector &txVector, WifiPhyBand band, uint16_t staId=SU_STA_ID)
uint16_t m_txCenterFreq
the center frequency (MHz) used for the transmission of this PPDU
WifiPreamble m_preamble
the PHY preamble
Ptr< const WifiPsdu > GetPsdu() const
Get the payload of the PPDU.
uint64_t m_uid
the unique ID of this PPDU
WifiTxVector GetTxVector() const
Get the TXVECTOR used to send the PPDU.
uint32_t GetSize() const
Return the size of the PSDU in bytes.
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.
bool IsAggregation() const
Checks whether the PSDU contains A-MPDU.
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 Seconds(double value)
Construct a Time in the indicated unit.
WifiPhyBand
Identifies the PHY band.
@ WIFI_PHY_BAND_2_4GHZ
The 2.4 GHz band.
Declaration of ns3::HtPhy class.
Declaration of ns3::HtPpdu class.
Every class exported by the ns3 library is enclosed in the ns3 namespace.