#include <Ieee80211VhtMode.h>

Inheritance diagram for inet::physicallayer::Ieee80211VhtDataMode:

Public Member Functions
	Ieee80211VhtDataMode (const Ieee80211Vhtmcs *modulationAndCodingScheme, const Hz bandwidth, GuardIntervalType guardIntervalType)

b	getServiceFieldLength () const

b	getTailFieldLength () const

virtual int	getNumberOfSpatialStreams () const override

virtual Hz	getBandwidth () const override

virtual b	getPaddingLength (b dataLength) const override

virtual b	getCompleteLength (b dataLength) const override

virtual const simtime_t	getDuration (b dataLength) const override

virtual bps	getNetBitrate () const override

virtual bps	getGrossBitrate () const override

virtual const Ieee80211Vhtmcs *	getModulationAndCodingScheme () const

virtual const Ieee80211VhtCode *	getCode () const

virtual const Ieee80211OfdmModulation *	getModulation () const override

Public Member Functions inherited from inet::IPrintableObject
virtual	~IPrintableObject ()

virtual std::ostream &	printToStream (std::ostream &stream, int level, int evFlags=0) const
	Prints this object to the provided output stream. More...

virtual std::string	printToString () const

virtual std::string	printToString (int level, int evFlags=0) const

virtual std::string	getInfoStringRepresentation (int evFlags=0) const

virtual std::string	getDetailStringRepresentation (int evFlags=0) const

virtual std::string	getDebugStringRepresentation (int evFlags=0) const

virtual std::string	getTraceStringRepresentation (int evFlags=0) const

virtual std::string	getCompleteStringRepresentation (int evFlags=0) const

Public Member Functions inherited from inet::physicallayer::Ieee80211VhtModeBase
	Ieee80211VhtModeBase (unsigned int modulationAndCodingScheme, unsigned int numberOfSpatialStreams, const Hz bandwidth, GuardIntervalType guardIntervalType)

virtual int	getNumberOfDataSubcarriers () const

virtual int	getNumberOfPilotSubcarriers () const

virtual int	getNumberOfTotalSubcarriers () const

virtual GuardIntervalType	getGuardIntervalType () const

virtual unsigned int	getMcsIndex () const

Public Member Functions inherited from inet::physicallayer::Ieee80211HtTimingRelatedParametersBase
const simtime_t	getDFTPeriod () const

const simtime_t	getGIDuration () const

const simtime_t	getShortGIDuration () const

const simtime_t	getSymbolInterval () const

const simtime_t	getShortGISymbolInterval () const

Protected Member Functions
bps	computeGrossBitrate () const override

bps	computeNetBitrate () const override

unsigned int	computeNumberOfSpatialStreams (const Ieee80211Vhtmcs *) const

unsigned int	computeNumberOfCodedBitsPerSubcarrierSum () const

unsigned int	computeNumberOfBccEncoders () const

unsigned int	getNumberOfBccEncoders20MHz () const

unsigned int	getNumberOfBccEncoders40MHz () const

unsigned int	getNumberOfBccEncoders80MHz () const

unsigned int	getNumberOfBccEncoders160MHz () const

Protected Attributes
const Ieee80211Vhtmcs *	modulationAndCodingScheme

const unsigned int	numberOfBccEncoders

Protected Attributes inherited from inet::physicallayer::Ieee80211VhtModeBase
const Hz	bandwidth

const GuardIntervalType	guardIntervalType

const unsigned int	mcsIndex

const unsigned int	numberOfSpatialStreams

bps	netBitrate

bps	grossBitrate

Additional Inherited Members
Public Types inherited from inet::IPrintableObject
enum	PrintLevel { PRINT_LEVEL_TRACE, PRINT_LEVEL_DEBUG, PRINT_LEVEL_DETAIL, PRINT_LEVEL_INFO, PRINT_LEVEL_COMPLETE = INT_MIN }

enum	PrintFlag { PRINT_FLAG_FORMATTED = (1 << 0), PRINT_FLAG_MULTILINE = (1 << 1) }

Public Types inherited from inet::physicallayer::Ieee80211VhtModeBase
enum	GuardIntervalType { HT_GUARD_INTERVAL_SHORT, HT_GUARD_INTERVAL_LONG }

Constructor & Destructor Documentation

◆ Ieee80211VhtDataMode()

inet::physicallayer::Ieee80211VhtDataMode::Ieee80211VhtDataMode	(	const Ieee80211Vhtmcs *	modulationAndCodingScheme,
		const Hz	bandwidth,
		GuardIntervalType	guardIntervalType
	)

                                                                                                                                                     :
     Ieee80211VhtModeBase(modulationAndCodingScheme->getMcsIndex(), computeNumberOfSpatialStreams(modulationAndCodingScheme), bandwidth, guardIntervalType),
     modulationAndCodingScheme(modulationAndCodingScheme),
     numberOfBccEncoders(computeNumberOfBccEncoders())
 {
 }

Member Function Documentation

◆ computeGrossBitrate()

bps inet::physicallayer::Ieee80211VhtDataMode::computeGrossBitrate ( ) const

overrideprotectedvirtual

Implements inet::physicallayer::Ieee80211VhtModeBase.

 {
     unsigned int numberOfCodedBitsPerSubcarrierSum = computeNumberOfCodedBitsPerSubcarrierSum();
     unsigned int numberOfCodedBitsPerSymbol = numberOfCodedBitsPerSubcarrierSum * getNumberOfDataSubcarriers();
     if (guardIntervalType == HT_GUARD_INTERVAL_LONG)
         return bps(numberOfCodedBitsPerSymbol / getSymbolInterval());
     else if (guardIntervalType == HT_GUARD_INTERVAL_SHORT)
         return bps(numberOfCodedBitsPerSymbol / getShortGISymbolInterval());
     else
         throw cRuntimeError("Unknown guard interval type");
 }

◆ computeNetBitrate()

bps inet::physicallayer::Ieee80211VhtDataMode::computeNetBitrate ( ) const

overrideprotectedvirtual

Implements inet::physicallayer::Ieee80211VhtModeBase.

 {
     return getGrossBitrate() * getCode()->getForwardErrorCorrection()->getCodeRate();
 }

◆ computeNumberOfBccEncoders()

unsigned int inet::physicallayer::Ieee80211VhtDataMode::computeNumberOfBccEncoders ( ) const

protected

 {
     // When the BCC FEC encoder is used, a single encoder is used, except that two encoders
     // are used when the selected MCS has a PHY rate greater than 300 Mb/s (see 20.6).
     if (getBandwidth() == MHz(20)) {
         return getNumberOfBccEncoders20MHz();
     }
     else if (getBandwidth() == MHz(40)) {
         return getNumberOfBccEncoders40MHz();
     }
     else if (getBandwidth() == MHz(80)) {
         return getNumberOfBccEncoders80MHz();
     }
     else if (getBandwidth() == MHz(160)) {
         return getNumberOfBccEncoders160MHz();
     }
     else
         throw cRuntimeError("Invalid bandwidth evaluating  NumberOfBccEncoders");
 }

◆ computeNumberOfCodedBitsPerSubcarrierSum()

unsigned int inet::physicallayer::Ieee80211VhtDataMode::computeNumberOfCodedBitsPerSubcarrierSum ( ) const

protected

 {
     return (modulationAndCodingScheme->getModulation() ? modulationAndCodingScheme->getModulation()->getSubcarrierModulation()->getCodeWordSize() : 0) +
            (modulationAndCodingScheme->getStreamExtension1Modulation() ? modulationAndCodingScheme->getStreamExtension1Modulation()->getSubcarrierModulation()->getCodeWordSize() : 0) +
            (modulationAndCodingScheme->getStreamExtension2Modulation() ? modulationAndCodingScheme->getStreamExtension2Modulation()->getSubcarrierModulation()->getCodeWordSize() : 0) +
            (modulationAndCodingScheme->getStreamExtension3Modulation() ? modulationAndCodingScheme->getStreamExtension3Modulation()->getSubcarrierModulation()->getCodeWordSize() : 0) +
            (modulationAndCodingScheme->getStreamExtension4Modulation() ? modulationAndCodingScheme->getStreamExtension4Modulation()->getSubcarrierModulation()->getCodeWordSize() : 0) +
            (modulationAndCodingScheme->getStreamExtension5Modulation() ? modulationAndCodingScheme->getStreamExtension5Modulation()->getSubcarrierModulation()->getCodeWordSize() : 0) +
            (modulationAndCodingScheme->getStreamExtension6Modulation() ? modulationAndCodingScheme->getStreamExtension6Modulation()->getSubcarrierModulation()->getCodeWordSize() : 0) +
            (modulationAndCodingScheme->getStreamExtension7Modulation() ? modulationAndCodingScheme->getStreamExtension7Modulation()->getSubcarrierModulation()->getCodeWordSize() : 0);
 }

Referenced by computeGrossBitrate(), and getDuration().

◆ computeNumberOfSpatialStreams()

unsigned int inet::physicallayer::Ieee80211VhtDataMode::computeNumberOfSpatialStreams ( const Ieee80211Vhtmcs * vhtmcs ) const

protected

 {
     if (vhtmcs == nullptr)
         throw cRuntimeError("Invalid MCS mode");
     return vhtmcs->getNumNss();
 }

◆ getBandwidth()

virtual Hz inet::physicallayer::Ieee80211VhtDataMode::getBandwidth ( ) const

inlineoverridevirtual

Reimplemented from inet::physicallayer::Ieee80211VhtModeBase.

227 { return bandwidth; }

Referenced by computeNumberOfBccEncoders().

◆ getCode()

virtual const Ieee80211VhtCode* inet::physicallayer::Ieee80211VhtDataMode::getCode ( ) const

inlinevirtual

234 { return modulationAndCodingScheme->getCode(); }

Referenced by computeNetBitrate(), and getDuration().

◆ getCompleteLength()

b inet::physicallayer::Ieee80211VhtDataMode::getCompleteLength ( b dataLength ) const

overridevirtual

Implements inet::physicallayer::IIeee80211DataMode.

 {
     return getServiceFieldLength() + getTailFieldLength() + dataLength; // TODO padding?
 }

Referenced by getDuration().

◆ getDuration()

const simtime_t inet::physicallayer::Ieee80211VhtDataMode::getDuration ( b dataLength ) const

overridevirtual

Implements inet::physicallayer::IIeee80211DataMode.

 {
     unsigned int numberOfCodedBitsPerSubcarrierSum = computeNumberOfCodedBitsPerSubcarrierSum();
     unsigned int numberOfCodedBitsPerSymbol = numberOfCodedBitsPerSubcarrierSum * getNumberOfDataSubcarriers();
     const IForwardErrorCorrection *forwardErrorCorrection = getCode() ? getCode()->getForwardErrorCorrection() : nullptr;
     unsigned int dataBitsPerSymbol = forwardErrorCorrection ? forwardErrorCorrection->getDecodedLength(numberOfCodedBitsPerSymbol) : numberOfCodedBitsPerSymbol;
     int numberOfSymbols = lrint(ceil((double)getCompleteLength(dataLength).get() / dataBitsPerSymbol)); // TODO getBitLength(dataBitLength) should be divisible by dataBitsPerSymbol
     return numberOfSymbols * getSymbolInterval();
 }

Referenced by inet::physicallayer::Ieee80211VhtMode::getDuration().

◆ getGrossBitrate()

virtual bps inet::physicallayer::Ieee80211VhtDataMode::getGrossBitrate ( ) const

inlineoverridevirtual

Reimplemented from inet::physicallayer::Ieee80211VhtModeBase.

232 { return Ieee80211VhtModeBase::getGrossBitrate(); }

Referenced by computeNetBitrate().

◆ getModulation()

virtual const Ieee80211OfdmModulation* inet::physicallayer::Ieee80211VhtDataMode::getModulation ( ) const

inlineoverridevirtual

Implements inet::physicallayer::IIeee80211DataMode.

235 { return modulationAndCodingScheme->getModulation(); }

◆ getModulationAndCodingScheme()

virtual const Ieee80211Vhtmcs* inet::physicallayer::Ieee80211VhtDataMode::getModulationAndCodingScheme ( ) const

inlinevirtual

233 { return modulationAndCodingScheme; }

◆ getNetBitrate()

virtual bps inet::physicallayer::Ieee80211VhtDataMode::getNetBitrate ( ) const

inlineoverridevirtual

Reimplemented from inet::physicallayer::Ieee80211VhtModeBase.

231 { return Ieee80211VhtModeBase::getNetBitrate(); }

◆ getNumberOfBccEncoders160MHz()

unsigned int inet::physicallayer::Ieee80211VhtDataMode::getNumberOfBccEncoders160MHz ( ) const

protected

 {
     switch (getNumberOfSpatialStreams()) {
         case 1:
             if (getMcsIndex() > 6)
                 return 2;
             else
                 return 1;
             break;
             break;
         case 2:
             if (getMcsIndex() < 4)
                 return 1;
             else if (getMcsIndex() < 7)
                 return 2;
             else
                 return 3;
             break;
         case 3:
             if (getMcsIndex() < 3)
                 return 1;
             else if (getMcsIndex() < 5)
                 return 2;
             else if (getMcsIndex() < 7)
                 return 3;
             else
                 return 4;
             break;
         case 4:
             if (getMcsIndex() < 2)
                 return 1;
             else if (getMcsIndex() < 4)
                 return 2;
             else if (getMcsIndex() < 5)
                 return 3;
             else if (getMcsIndex() < 7)
                 return 4;
             else
                 return 6;
             break;
         case 5:
             if (getMcsIndex() < 1)
                 return 1;
             else if (getMcsIndex() < 3)
                 return 2;
             else if (getMcsIndex() < 4)
                 return 3;
             else if (getMcsIndex() < 5)
                 return 4;
             else if (getMcsIndex() < 7)
                 return 5;
             else if (getMcsIndex() < 8)
                 return 6;
             else
                 return 8;
             break;
         case 6:
             if (getMcsIndex() < 1)
                 return 1;
             else if (getMcsIndex() < 3)
                 return 2;
             else if (getMcsIndex() < 4)
                 return 3;
             else if (getMcsIndex() < 5)
                 return 4;
             else if (getMcsIndex() < 7)
                 return 6;
             else if (getMcsIndex() < 9)
                 return 8;
             else
                 return 9;
             break;
         case 7:
             if (getMcsIndex() < 1)
                 return 1;
             else if (getMcsIndex() < 2)
                 return 2;
             else if (getMcsIndex() < 3)
                 return 3;
             else if (getMcsIndex() < 4)
                 return 4;
             else if (getMcsIndex() < 5)
                 return 6;
             else if (getMcsIndex() < 7)
                 return 7;
             else if (getMcsIndex() < 8)
                 return 9;
             else
                 return 12;
             break;
         case 8:
             if (getMcsIndex() < 1)
                 return 1;
             else if (getMcsIndex() < 2)
                 return 2;
             else if (getMcsIndex() < 3)
                 return 3;
             else if (getMcsIndex() < 4)
                 return 4;
             else if (getMcsIndex() < 5)
                 return 6;
             else if (getMcsIndex() < 7)
                 return 8;
             else if (getMcsIndex() < 8)
                 return 9;
             else
                 return 12;
         default:
             throw cRuntimeError("Invalid MCS mode");
     }
 }

Referenced by computeNumberOfBccEncoders().

◆ getNumberOfBccEncoders20MHz()

unsigned int inet::physicallayer::Ieee80211VhtDataMode::getNumberOfBccEncoders20MHz ( ) const

protected

 {
     if (getNumberOfSpatialStreams() < 7)
         return 1;
     else {
         if (getMcsIndex() > 7)
             return 2;
         else
             return 1;
     }
 }

Referenced by computeNumberOfBccEncoders().

◆ getNumberOfBccEncoders40MHz()

unsigned int inet::physicallayer::Ieee80211VhtDataMode::getNumberOfBccEncoders40MHz ( ) const

protected

 {
     switch (getNumberOfSpatialStreams()) {
         case 1:
         case 2:
         case 3:
             return 1;
             break;
         case 4:
             if (getMcsIndex() > 7)
                 return 2;
             else
                 return 1;
             break;
         case 5:
             if (getMcsIndex() > 5)
                 return 2;
             else
                 return 1;
  
             break;
         case 6:
             if (getMcsIndex() > 4)
                 return 2;
             else
                 return 1;
             break;
         case 7:
         case 8:
             if (getMcsIndex() < 4)
                 return 1;
             else if (getMcsIndex() < 8)
                 return 2;
             else
                 return 3;
             break;
         default:
             throw cRuntimeError("Invalid MCS mode");
     }
 }

Referenced by computeNumberOfBccEncoders().

◆ getNumberOfBccEncoders80MHz()

unsigned int inet::physicallayer::Ieee80211VhtDataMode::getNumberOfBccEncoders80MHz ( ) const

protected

 {
     switch (getNumberOfSpatialStreams()) {
         case 1:
             return 1;
             break;
         case 2:
             if (getMcsIndex() > 6)
                 return 2;
             else
                 return 1;
             break;
         case 3:
             if (getMcsIndex() < 5)
                 return 1;
             else if (getMcsIndex() < 9)
                 return 2;
             else
                 return 3;
             break;
         case 4:
             if (getMcsIndex() < 4)
                 return 1;
             else if (getMcsIndex() < 7)
                 return 2;
             else
                 return 3;
             break;
         case 5:
             if (getMcsIndex() < 3)
                 return 1;
             else if (getMcsIndex() < 5)
                 return 2;
             else if (getMcsIndex() < 8)
                 return 3;
             else
                 return 4;
             break;
         case 6:
             if (getMcsIndex() < 3)
                 return 1;
             else if (getMcsIndex() < 4)
                 return 2;
             else if (getMcsIndex() < 7)
                 return 3;
             else
                 return 4;
             break;
         case 7:
             if (getMcsIndex() < 2)
                 return 1;
             else if (getMcsIndex() == 3)
                 return 2;
             else if (getMcsIndex() < 5)
                 return 3;
             else if (getMcsIndex() == 5)
                 return 4;
             else
                 return 6;
             break;
         case 8:
             if (getMcsIndex() < 3)
                 return 1;
             else if (getMcsIndex() < 4)
                 return 2;
             else if (getMcsIndex() < 5)
                 return 3;
             else if (getMcsIndex() < 7)
                 return 4;
             else
                 return 6;
             break;
         default:
             throw cRuntimeError("Invalid MCS mode");
     }
 }

Referenced by computeNumberOfBccEncoders().

◆ getNumberOfSpatialStreams()

virtual int inet::physicallayer::Ieee80211VhtDataMode::getNumberOfSpatialStreams ( ) const

inlineoverridevirtual

Reimplemented from inet::physicallayer::Ieee80211VhtModeBase.

226 { return Ieee80211VhtModeBase::getNumberOfSpatialStreams(); }

Referenced by inet::physicallayer::Ieee80211VhtCompliantModes::getCompliantMode(), getNumberOfBccEncoders160MHz(), getNumberOfBccEncoders20MHz(), getNumberOfBccEncoders40MHz(), and getNumberOfBccEncoders80MHz().

◆ getPaddingLength()

virtual b inet::physicallayer::Ieee80211VhtDataMode::getPaddingLength ( b dataLength ) const

inlineoverridevirtual

Implements inet::physicallayer::IIeee80211DataMode.

228 { return b(0); }

◆ getServiceFieldLength()

b inet::physicallayer::Ieee80211VhtDataMode::getServiceFieldLength ( ) const

inline

223 { return b(16); }

Referenced by getCompleteLength().

◆ getTailFieldLength()

b inet::physicallayer::Ieee80211VhtDataMode::getTailFieldLength ( ) const

inline

224 { return b(6) * numberOfBccEncoders; }

Referenced by getCompleteLength().

Member Data Documentation

◆ modulationAndCodingScheme

const Ieee80211Vhtmcs* inet::physicallayer::Ieee80211VhtDataMode::modulationAndCodingScheme

protected

Referenced by computeNumberOfCodedBitsPerSubcarrierSum().

◆ numberOfBccEncoders

const unsigned int inet::physicallayer::Ieee80211VhtDataMode::numberOfBccEncoders

protected

The documentation for this class was generated from the following files:

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ Ieee80211VhtDataMode()

Member Function Documentation

◆ computeGrossBitrate()

◆ computeNetBitrate()

◆ computeNumberOfBccEncoders()

◆ computeNumberOfCodedBitsPerSubcarrierSum()

◆ computeNumberOfSpatialStreams()

◆ getBandwidth()

◆ getCode()

◆ getCompleteLength()

◆ getDuration()

◆ getGrossBitrate()

◆ getModulation()

◆ getModulationAndCodingScheme()

◆ getNetBitrate()

◆ getNumberOfBccEncoders160MHz()

◆ getNumberOfBccEncoders20MHz()

◆ getNumberOfBccEncoders40MHz()

◆ getNumberOfBccEncoders80MHz()

◆ getNumberOfSpatialStreams()

◆ getPaddingLength()

◆ getServiceFieldLength()

◆ getTailFieldLength()

Member Data Documentation

◆ modulationAndCodingScheme

◆ numberOfBccEncoders