23 #ifndef MINSTREL_WIFI_MANAGER_H
24 #define MINSTREL_WIFI_MANAGER_H
28 #include "ns3/nstime.h"
29 #include "ns3/random-variable-stream.h"
33 struct MinstrelWifiRemoteStation;
115 double ctsSnr,
WifiMode ctsMode,
double rtsSnr);
117 double ackSnr,
WifiMode ackMode,
double dataSnr);
165 typedef std::vector<std::pair<Time,WifiMode> >
TxTime;
uint32_t m_nsupported
modes supported
void CheckInit(MinstrelWifiRemoteStation *station)
check for initializations
void PrintTable(MinstrelWifiRemoteStation *station)
printing Minstrel Table
keep track of time values and allow control of global simulation resolution
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
Time perfectTxTime
Perfect transmission time calculation, or frame calculation Given a bit rate and a packet length n by...
Implementation of Minstrel Rate Control AlgorithmPorting Minstrel from Madwifi and Linux Kernel http:...
uint32_t numRateSuccess
number of successful pkts
virtual void DoReportFinalDataFailed(WifiRemoteStation *station)
This method is a pure virtual method that must be implemented by the sub-class.
hold per-remote-station state for Minstrel Wifi manager.
Time m_updateStats
how frequent do we calculate the stats(1/10 seconds)
void UpdateStats(MinstrelWifiRemoteStation *station)
updating the Minstrel Table every 1/10 seconds
uint32_t GetNextSample(MinstrelWifiRemoteStation *station)
getting the next sample from Sample Table
SampleRate m_sampleTable
sample table
represent a single transmission modeA WifiMode is implemented by a single integer which is used to lo...
uint32_t retryCount
retry limit
uint32_t FindRate(MinstrelWifiRemoteStation *station)
find a rate to use from Minstrel Table
uint32_t m_pktLen
packet length used for calculate mode TxTime
uint32_t adjustedRetryCount
adjust the retry limit for this rate
virtual void DoReportDataOk(WifiRemoteStation *station, double ackSnr, WifiMode ackMode, double dataSnr)
This method is a pure virtual method that must be implemented by the sub-class.
virtual void DoReportRxOk(WifiRemoteStation *station, double rxSnr, WifiMode txMode)
This method is a pure virtual method that must be implemented by the sub-class.
A struct to contain all information related to a data rate.
uint32_t prevNumRateSuccess
from last rate
void PrintSampleTable(MinstrelWifiRemoteStation *station)
printing Sample Table
uint32_t prevNumRateAttempt
from last rate
virtual void SetupPhy(Ptr< WifiPhy > phy)
Set up PHY associated with this device since it is the object that knows the full set of transmit rat...
uint64_t attemptHist
aggregate of all attempts
double m_ewmaLevel
exponential weighted moving average
uint64_t successHist
aggregate of all successes
virtual WifiRemoteStation * DoCreateStation(void) const
virtual WifiTxVector DoGetDataTxVector(WifiRemoteStation *station, uint32_t size)
void AddCalcTxTime(WifiMode mode, Time t)
Add transmission time for the given mode to an internal list.
virtual void DoReportFinalRtsFailed(WifiRemoteStation *station)
This method is a pure virtual method that must be implemented by the sub-class.
hold a list of per-remote-station state.
virtual WifiTxVector DoGetRtsTxVector(WifiRemoteStation *station)
uint32_t ewmaProb
EWMA calculation ewma_prob =[prob *(100 - ewma_level) + (ewma_prob_old * ewma_level)]/100.
uint32_t numRateAttempt
how many number of attempts so far
TxTime m_calcTxTime
to hold all the calculated TxTime for all modes
virtual bool IsLowLatency(void) const
int64_t AssignStreams(int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model...
uint32_t throughput
throughput of a rate
Ptr< UniformRandomVariable > m_uniformRandomVariable
Provides uniform random variables.
void UpdateRetry(MinstrelWifiRemoteStation *station)
update the number of retries and reset accordingly
double m_lookAroundRate
the % to try other rates than our current rate
static TypeId GetTypeId(void)
void InitSampleTable(MinstrelWifiRemoteStation *station)
initialize Sample Table
virtual void DoReportRtsFailed(WifiRemoteStation *station)
This method is a pure virtual method that must be implemented by the sub-class.
Time GetCalcTxTime(WifiMode mode) const
for estimating the TxTime of a packet with a given mode
virtual void DoReportDataFailed(WifiRemoteStation *station)
This method is a pure virtual method that must be implemented by the sub-class.
std::vector< struct RateInfo > MinstrelRate
Data structure for a Minstrel Rate table A vector of a struct RateInfo.
uint32_t m_sampleCol
number of sample columns
virtual ~MinstrelWifiManager()
std::vector< std::pair< Time, WifiMode > > TxTime
typedef for a vector of a pair of Time, WifiMode.
virtual void DoReportRtsOk(WifiRemoteStation *station, double ctsSnr, WifiMode ctsMode, double rtsSnr)
This method is a pure virtual method that must be implemented by the sub-class.
a unique identifier for an interface.
MinstrelRate m_minstrelTable
minstrel table
void RateInit(MinstrelWifiRemoteStation *station)
initialize Minstrel Table
std::vector< std::vector< uint32_t > > SampleRate
Data structure for a Sample Rate table A vector of a vector uint32_t.
hold per-remote-station state.
uint32_t prob
(# pkts success )/(# total pkts)