22 #include "ns3/packet.h" 24 #include "ns3/wifi-tx-vector.h" 26 #define Min(a,b) ((a < b) ? a : b) 27 #define Max(a,b) ((a > b) ? a : b) 62 .SetGroupName (
"Wifi")
64 .AddAttribute (
"SuccessK",
"Multiplication factor for the success threshold in the AARF algorithm.",
67 MakeDoubleChecker<double> ())
68 .AddAttribute (
"TimerK",
69 "Multiplication factor for the timer threshold in the AARF algorithm.",
72 MakeDoubleChecker<double> ())
73 .AddAttribute (
"MaxSuccessThreshold",
74 "Maximum value of the success threshold in the AARF algorithm.",
77 MakeUintegerChecker<uint32_t> ())
78 .AddAttribute (
"MinTimerThreshold",
79 "The minimum value for the 'timer' threshold in the AARF algorithm.",
82 MakeUintegerChecker<uint32_t> ())
83 .AddAttribute (
"MinSuccessThreshold",
84 "The minimum value for the success threshold in the AARF algorithm.",
87 MakeUintegerChecker<uint32_t> ())
88 .AddAttribute (
"MinRtsWnd",
89 "Minimum value for RTS window of AARF-CD",
92 MakeUintegerChecker<uint32_t> ())
93 .AddAttribute (
"MaxRtsWnd",
94 "Maximum value for RTS window of AARF-CD",
97 MakeUintegerChecker<uint32_t> ())
98 .AddAttribute (
"TurnOffRtsAfterRateDecrease",
99 "If true the RTS mechanism will be turned off when the rate will be decreased",
103 .AddAttribute (
"TurnOnRtsAfterRateIncrease",
104 "If true the RTS mechanism will be turned on when the rate will be increased",
108 .AddTraceSource (
"Rate",
109 "Traced value for rate changes (b/s)",
111 "ns3::TracedValueCallback::Uint64")
134 NS_FATAL_ERROR (
"WifiRemoteStationManager selected does not support HT rates");
138 NS_FATAL_ERROR (
"WifiRemoteStationManager selected does not support VHT rates");
142 NS_FATAL_ERROR (
"WifiRemoteStationManager selected does not support HE rates");
232 if (((station->
m_failed - 1) % 2) == 1)
264 double ctsSnr,
WifiMode ctsMode,
double rtsSnr)
274 double dataSnr, uint16_t dataChannelWidth, uint8_t dataNss)
276 NS_LOG_FUNCTION (
this << st << ackSnr << ackMode << dataSnr << dataChannelWidth << +dataNss);
323 if (channelWidth > 20 && channelWidth != 22)
344 if (channelWidth > 20 && channelWidth != 22)
364 uint32_t size,
bool normally)
uint32_t m_successThreshold
success threshold
bool GetVhtSupported(void) const
Return whether the device has VHT capability support enabled.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
uint8_t GetNSupported(const WifiRemoteStation *station) const
Return the number of modes supported by the given station.
WifiTxVector DoGetDataTxVector(WifiRemoteStation *station) override
AttributeValue implementation for Boolean.
double m_timerK
Multiplication factor for the timer threshold.
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
bool m_justModifyRate
just modify rate
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
uint32_t m_rtsCounter
RTS counter.
bool m_haveASuccess
have a success
Ptr< const AttributeAccessor > MakeBooleanAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
uint32_t m_maxSuccessThreshold
maximum success threshold
void DoReportRtsOk(WifiRemoteStation *station, double ctsSnr, WifiMode ctsMode, double rtsSnr) override
This method is a pure virtual method that must be implemented by the sub-class.
bool GetHeSupported(void) const
Return whether the device has HE capability support enabled.
#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_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
uint32_t m_maxRtsWnd
maximum RTS window
void DoReportRtsFailed(WifiRemoteStation *station) override
This method is a pure virtual method that must be implemented by the sub-class.
uint32_t m_minRtsWnd
minimum RTS window
bool m_turnOnRtsAfterRateIncrease
turn on RTS after rate increase
WifiMode GetSupported(const WifiRemoteStation *station, uint8_t i) const
Return whether mode associated with the specified station at the specified index. ...
WifiPreamble GetPreambleForTransmission(WifiModulationClass modulation, bool useShortPreamble)
Return the preamble to be used for the transmission.
represent a single transmission modeA WifiMode is implemented by a single integer which is used to lo...
Ptr< const TraceSourceAccessor > MakeTraceSourceAccessor(T a)
Create a TraceSourceAccessor which will control access to the underlying trace source.
bool GetShortPreambleEnabled(void) const
Return whether the device uses short PHY preambles.
void TurnOnRts(AarfcdWifiRemoteStation *station)
Turn on RTS for the given station.
void TurnOffRts(AarfcdWifiRemoteStation *station)
Turn off RTS for the given station.
int64x64_t Min(const int64x64_t &a, const int64x64_t &b)
Minimum.
Hold an unsigned integer type.
bool GetHtSupported(void) const
Return whether the device has HT capability support enabled.
int64x64_t Max(const int64x64_t &a, const int64x64_t &b)
Maximum.
TracedValue< uint64_t > m_currentRate
Trace rate changes.
void ResetRtsWnd(AarfcdWifiRemoteStation *station)
Reset the RTS window of the given station.
void DoReportDataFailed(WifiRemoteStation *station) override
It is important to realize that "recovery" mode starts after failure of the first transmission after ...
hold a list of per-remote-station state.
WifiModulationClass GetModulationClass() const
void CheckRts(AarfcdWifiRemoteStation *station)
Check if the use of RTS for the given station can be turned off.
virtual ~AarfcdWifiManager()
Every class exported by the ns3 library is enclosed in the ns3 namespace.
void DoInitialize(void) override
Initialize() implementation.
void DoReportRxOk(WifiRemoteStation *station, double rxSnr, WifiMode txMode) override
This method is a pure virtual method that must be implemented by the sub-class.
WifiMode GetNonErpSupported(const WifiRemoteStation *station, uint8_t i) const
Return whether non-ERP mode associated with the specified station at the specified index...
bool GetAggregation(const WifiRemoteStation *station) const
Return whether the given station supports A-MPDU.
uint32_t m_minSuccessThreshold
minimum success threshold
Ptr< const AttributeAccessor > MakeDoubleAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
hold per-remote-station state for AARF-CD Wifi manager.
uint32_t m_minTimerThreshold
minimum timer threshold
bool m_turnOffRtsAfterRateDecrease
turn off RTS after rate decrease
void DoReportFinalRtsFailed(WifiRemoteStation *station) override
This method is a pure virtual method that must be implemented by the sub-class.
bool GetUseNonErpProtection(void) const
Return whether the device supports protection of non-ERP stations.
WifiRemoteStation * DoCreateStation(void) const override
double m_successK
Multiplication factor for the success threshold.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Ptr< const AttributeChecker > MakeBooleanChecker(void)
uint8_t GetDefaultTxPowerLevel(void) const
uint32_t m_rtsWnd
RTS window.
WifiTxVector DoGetRtsTxVector(WifiRemoteStation *station) override
void DoReportDataOk(WifiRemoteStation *station, double ackSnr, WifiMode ackMode, double dataSnr, uint16_t dataChannelWidth, uint8_t dataNss) override
This method is a pure virtual method that must be implemented by the sub-class.
void DoReportFinalDataFailed(WifiRemoteStation *station) override
This method is a pure virtual method that must be implemented by the sub-class.
uint32_t m_success
success
static TypeId GetTypeId(void)
Get the type ID.
an implementation of the AARF-CD algorithmThis algorithm was first described in "Efficient Collision ...
This class can be used to hold variables of floating point type such as 'double' or 'float'...
void IncreaseRtsWnd(AarfcdWifiRemoteStation *station)
Increase the RTS window size of the given station.
uint32_t m_timerTimeout
timer timeout
Ptr< const AttributeAccessor > MakeUintegerAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
bool DoNeedRts(WifiRemoteStation *station, uint32_t size, bool normally) override
hold per-remote-station state.
uint64_t GetDataRate(uint16_t channelWidth, uint16_t guardInterval, uint8_t nss) const
uint16_t GetChannelWidth(const WifiRemoteStation *station) const
Return the channel width supported by the station.