#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

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

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

virtual bps inet::physicallayer::Ieee80211HTModeBase::computeGrossBitrate ( ) const

protectedpure virtual

Implemented in inet::physicallayer::Ieee80211HTDataMode, and inet::physicallayer::Ieee80211HTSignalMode.

virtual bps inet::physicallayer::Ieee80211HTModeBase::computeNetBitrate ( ) const

protectedpure virtual

Implemented in inet::physicallayer::Ieee80211HTDataMode, and inet::physicallayer::Ieee80211HTSignalMode.

virtual Hz inet::physicallayer::Ieee80211HTModeBase::getBandwidth ( ) const

inlinevirtual

72 { return bandwidth; }

inet::physicallayer::Ieee80211HTModeBase::bandwidth

const Hz bandwidth

Definition: Ieee80211HTMode.h:51

bps inet::physicallayer::Ieee80211HTModeBase::getGrossBitrate ( ) const

virtual

Reimplemented in inet::physicallayer::Ieee80211HTDataMode, and inet::physicallayer::Ieee80211HTSignalMode.

Referenced by inet::physicallayer::Ieee80211HTSignalMode::getGrossBitrate(), and inet::physicallayer::Ieee80211HTDataMode::getGrossBitrate().

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

virtual GuardIntervalType inet::physicallayer::Ieee80211HTModeBase::getGuardIntervalType ( ) const

inlinevirtual

69 { return guardIntervalType; }

inet::physicallayer::Ieee80211HTModeBase::guardIntervalType

const GuardIntervalType guardIntervalType

Definition: Ieee80211HTMode.h:52

virtual unsigned int inet::physicallayer::Ieee80211HTModeBase::getMcsIndex ( ) const

inlinevirtual

71 { return mcsIndex; }

inet::physicallayer::Ieee80211HTModeBase::mcsIndex

const unsigned int mcsIndex

Definition: Ieee80211HTMode.h:53

bps inet::physicallayer::Ieee80211HTModeBase::getNetBitrate ( ) const

virtual

Reimplemented in inet::physicallayer::Ieee80211HTDataMode, and inet::physicallayer::Ieee80211HTSignalMode.

Referenced by inet::physicallayer::Ieee80211HTSignalMode::getNetBitrate(), and inet::physicallayer::Ieee80211HTDataMode::getNetBitrate().

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

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");
 }

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");
 }