inet::physicallayer::Ieee80211HtModeBase Class Reference

#include <Ieee80211HtMode.h>

Inheritance diagram for inet::physicallayer::Ieee80211HtModeBase:

Public Types
enum	GuardIntervalType { HT_GUARD_INTERVAL_SHORT, HT_GUARD_INTERVAL_LONG }

Public Member Functions
	Ieee80211HtModeBase (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 int	getNumberOfSpatialStreams () const
virtual unsigned int	getMcsIndex () const
virtual Hz	getBandwidth () const
virtual bps	getNetBitrate () const
virtual bps	getGrossBitrate () const

Protected Member Functions
virtual bps	computeGrossBitrate () const =0
virtual bps	computeNetBitrate () const =0

Protected Attributes
const Hz	bandwidth
const GuardIntervalType	guardIntervalType
const unsigned int	mcsIndex
const unsigned int	numberOfSpatialStreams
bps	netBitrate
bps	grossBitrate

Member Enumeration Documentation

GuardIntervalType

enum inet::physicallayer::Ieee80211HtModeBase::GuardIntervalType

Enumerator
HT_GUARD_INTERVAL_SHORT
HT_GUARD_INTERVAL_LONG

                           {
        HT_GUARD_INTERVAL_SHORT, // 400 ns
        HT_GUARD_INTERVAL_LONG // 800 ns
    };

Constructor & Destructor Documentation

Ieee80211HtModeBase()

inet::physicallayer::Ieee80211HtModeBase::Ieee80211HtModeBase	(	unsigned int	modulationAndCodingScheme,
		unsigned int	numberOfSpatialStreams,
		const Hz	bandwidth,
		GuardIntervalType	guardIntervalType
	)

                                                                                                                                                                             :
    bandwidth(bandwidth),
    guardIntervalType(guardIntervalType),
    mcsIndex(modulationAndCodingScheme),
    numberOfSpatialStreams(numberOfSpatialStreams),
    netBitrate(bps(NaN)),
    grossBitrate(bps(NaN))
{
}

Member Function Documentation

computeGrossBitrate()

virtual bps inet::physicallayer::Ieee80211HtModeBase::computeGrossBitrate ( ) const

protectedpure virtual

Implemented in inet::physicallayer::Ieee80211HtDataMode, and inet::physicallayer::Ieee80211HtSignalMode.

Referenced by getGrossBitrate().

computeNetBitrate()

virtual bps inet::physicallayer::Ieee80211HtModeBase::computeNetBitrate ( ) const

protectedpure virtual

Implemented in inet::physicallayer::Ieee80211HtDataMode, and inet::physicallayer::Ieee80211HtSignalMode.

Referenced by getNetBitrate().

getBandwidth()

virtual Hz inet::physicallayer::Ieee80211HtModeBase::getBandwidth ( ) const

inlinevirtual

Reimplemented in inet::physicallayer::Ieee80211HtDataMode.

{ return bandwidth; }

getGrossBitrate()

bps inet::physicallayer::Ieee80211HtModeBase::getGrossBitrate ( ) const

virtual

Reimplemented in inet::physicallayer::Ieee80211HtDataMode, and inet::physicallayer::Ieee80211HtSignalMode.

{
    if (std::isnan(grossBitrate.get()))
        grossBitrate = computeGrossBitrate();
    return grossBitrate;
}

Referenced by inet::physicallayer::Ieee80211HtSignalMode::getGrossBitrate(), and inet::physicallayer::Ieee80211HtDataMode::getGrossBitrate().

getGuardIntervalType()

virtual GuardIntervalType inet::physicallayer::Ieee80211HtModeBase::getGuardIntervalType ( ) const

inlinevirtual

{ return guardIntervalType; }

getMcsIndex()

virtual unsigned int inet::physicallayer::Ieee80211HtModeBase::getMcsIndex ( ) const

inlinevirtual

{ return mcsIndex; }

getNetBitrate()

bps inet::physicallayer::Ieee80211HtModeBase::getNetBitrate ( ) const

virtual

Reimplemented in inet::physicallayer::Ieee80211HtDataMode, and inet::physicallayer::Ieee80211HtSignalMode.

{
    if (std::isnan(netBitrate.get()))
        netBitrate = computeNetBitrate();
    return netBitrate;
}

Referenced by inet::physicallayer::Ieee80211HtSignalMode::getNetBitrate(), and inet::physicallayer::Ieee80211HtDataMode::getNetBitrate().

getNumberOfDataSubcarriers()

int inet::physicallayer::Ieee80211HtModeBase::getNumberOfDataSubcarriers ( ) const

virtual

{
    if (bandwidth == MHz(20))
        return 52;
    else if (bandwidth == MHz(40))
        // It is a special case, see Table 20-38—MCS parameters for
        // optional 40 MHz MCS 32 format, N SS = 1, N ES = 1
        return mcsIndex == 32 ? 48 : 108;
    else
        throw cRuntimeError("Unsupported bandwidth");
}

Referenced by inet::physicallayer::Ieee80211HtSignalMode::computeGrossBitrate(), inet::physicallayer::Ieee80211HtDataMode::computeGrossBitrate(), and inet::physicallayer::Ieee80211HtDataMode::getDuration().

getNumberOfPilotSubcarriers()

int inet::physicallayer::Ieee80211HtModeBase::getNumberOfPilotSubcarriers ( ) const

virtual

{
    if (bandwidth == MHz(20))
        return 4;
    else if (bandwidth == MHz(40))
        // It is a spacial case, see the comment above.
        return mcsIndex == 32 ? 4 : 6;
    else
        throw cRuntimeError("Unsupported bandwidth");
}

getNumberOfSpatialStreams()

virtual int inet::physicallayer::Ieee80211HtModeBase::getNumberOfSpatialStreams ( ) const

inlinevirtual

Reimplemented in inet::physicallayer::Ieee80211HtDataMode.

{ return numberOfSpatialStreams; }

Referenced by inet::physicallayer::Ieee80211HtDataMode::getNumberOfSpatialStreams().

getNumberOfTotalSubcarriers()

virtual int inet::physicallayer::Ieee80211HtModeBase::getNumberOfTotalSubcarriers ( ) const

inlinevirtual

{ return getNumberOfDataSubcarriers() + getNumberOfPilotSubcarriers(); }

Member Data Documentation

bandwidth

const Hz inet::physicallayer::Ieee80211HtModeBase::bandwidth

protected

Referenced by getNumberOfDataSubcarriers(), and getNumberOfPilotSubcarriers().

grossBitrate

bps inet::physicallayer::Ieee80211HtModeBase::grossBitrate

mutableprotected

Referenced by getGrossBitrate().

guardIntervalType

const GuardIntervalType inet::physicallayer::Ieee80211HtModeBase::guardIntervalType

protected

Referenced by inet::physicallayer::Ieee80211HtSignalMode::computeGrossBitrate(), and inet::physicallayer::Ieee80211HtDataMode::computeGrossBitrate().

mcsIndex

const unsigned int inet::physicallayer::Ieee80211HtModeBase::mcsIndex

protected

Referenced by getNumberOfDataSubcarriers(), and getNumberOfPilotSubcarriers().

netBitrate

bps inet::physicallayer::Ieee80211HtModeBase::netBitrate

mutableprotected

Referenced by getNetBitrate().

numberOfSpatialStreams

const unsigned int inet::physicallayer::Ieee80211HtModeBase::numberOfSpatialStreams

protected

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

• Ieee80211HtMode.h
• Ieee80211HtMode.cc