inet::physicallayer::IsotropicDimensionalBackgroundNoise Class Reference

#include <IsotropicDimensionalBackgroundNoise.h>

Inheritance diagram for inet::physicallayer::IsotropicDimensionalBackgroundNoise:

Public Member Functions
	IsotropicDimensionalBackgroundNoise ()
virtual std::ostream &	printToStream (std::ostream &stream, int level) const override
	Prints this object to the provided output stream. More...
virtual const INoise *	computeNoise (const IListening *listening) const override
Public Member Functions inherited from inet::physicallayer::IPrintableObject
virtual	~IPrintableObject ()
virtual std::string	getInfoStringRepresentation () const
virtual std::string	getDetailStringRepresentation () const
virtual std::string	getDebugStringRepresentation () const
virtual std::string	getTraceStringRepresentation () const
virtual std::string	getCompleteStringRepresentation () const

Protected Member Functions
virtual void	initialize (int stage) override

Protected Attributes
DimensionSet	dimensions
Mapping::InterpolationMethod	interpolationMode
W	power

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

Constructor & Destructor Documentation

inet::physicallayer::IsotropicDimensionalBackgroundNoise::IsotropicDimensionalBackgroundNoise

(

)

                                                                         :
    interpolationMode((Mapping::InterpolationMethod)-1),
    power(W(NaN))
{
}

Member Function Documentation

const INoise * inet::physicallayer::IsotropicDimensionalBackgroundNoise::computeNoise ( const IListening *  listening ) const

overridevirtual

Implements inet::physicallayer::IBackgroundNoise.

{
    const BandListening *bandListening = check_and_cast<const BandListening *>(listening);
    const simtime_t startTime = listening->getStartTime();
    const simtime_t endTime = listening->getEndTime();
    Hz carrierFrequency = bandListening->getCarrierFrequency();
    Hz bandwidth = bandListening->getBandwidth();
    Mapping *powerMapping = MappingUtils::createMapping(Argument::MappedZero, dimensions, interpolationMode);
    Argument position(dimensions);
    bool hasTimeDimension = dimensions.hasDimension(Dimension::time);
    bool hasFrequencyDimension = dimensions.hasDimension(Dimension::frequency);
    if (hasTimeDimension && hasFrequencyDimension) {
        // before the start
        position.setTime(0);
        position.setArgValue(Dimension::frequency, 0);
        powerMapping->setValue(position, 0);
        position.setTime(startTime);
        powerMapping->setValue(position, 0);
        position.setTime(endTime);
        powerMapping->setValue(position, 0);
        // start frequency
        position.setTime(0);
        position.setArgValue(Dimension::frequency, (carrierFrequency - bandwidth / 2).get());
        powerMapping->setValue(position, 0);
        position.setTime(startTime);
        powerMapping->setValue(position, power.get());
        position.setTime(endTime);
        powerMapping->setValue(position, 0);
        // end frequency
        position.setTime(0);
        position.setArgValue(Dimension::frequency, (carrierFrequency + bandwidth / 2).get());
        powerMapping->setValue(position, 0);
        position.setTime(startTime);
        powerMapping->setValue(position, 0);
        position.setTime(endTime);
        powerMapping->setValue(position, 0);
    }
    else if (hasTimeDimension) {
        position.setTime(0);
        powerMapping->setValue(position, 0);
        position.setTime(startTime);
        powerMapping->setValue(position, power.get());
        position.setTime(endTime);
        powerMapping->setValue(position, 0);
    }
    else if (hasFrequencyDimension) {
        position.setArgValue(Dimension::frequency, 0);
        powerMapping->setValue(position, 0);
        position.setArgValue(Dimension::frequency, (carrierFrequency - bandwidth / 2).get());
        powerMapping->setValue(position, power.get());
        position.setArgValue(Dimension::frequency, (carrierFrequency + bandwidth / 2).get());
        powerMapping->setValue(position, 0);
    }
    else
        throw cRuntimeError("Unknown dimensions");
    return new DimensionalNoise(startTime, endTime, carrierFrequency, bandwidth, powerMapping);
}

void inet::physicallayer::IsotropicDimensionalBackgroundNoise::initialize ( int  stage )

overrideprotectedvirtual

{
    cModule::initialize(stage);
    if (stage == INITSTAGE_LOCAL) {
        // TODO: factor parsing?
        const char *dimensionsString = par("dimensions");
        cStringTokenizer tokenizer(dimensionsString);
        while (tokenizer.hasMoreTokens()) {
            const char *dimensionString = tokenizer.nextToken();
            if (!strcmp("time", dimensionString))
                dimensions.addDimension(Dimension::time);
            else if (!strcmp("frequency", dimensionString))
                dimensions.addDimension(Dimension::frequency);
            else
                throw cRuntimeError("Unknown dimension");
        }
        const char *interpolationModeString = par("interpolationMode");
        if (!strcmp("linear", interpolationModeString))
            interpolationMode = Mapping::LINEAR;
        else if (!strcmp("sample-hold", interpolationModeString))
            interpolationMode = Mapping::STEPS;
        else
            throw cRuntimeError("Unknown interpolation mode: '%s'", interpolationModeString);
        power = mW(math::dBm2mW(par("power")));
    }
}

std::ostream & inet::physicallayer::IsotropicDimensionalBackgroundNoise::printToStream ( std::ostream &  stream, int  level  ) const

overridevirtual

Prints this object to the provided output stream.

Function calls to operator<< with pointers or references either const or not are all forwarded to this function.

Reimplemented from inet::physicallayer::IPrintableObject.

{
    stream << "IsotropicDimensionalBackgroundNoise";
    if (level <= PRINT_LEVEL_DETAIL)
        stream << ", power = " << power;
    if (level <= PRINT_LEVEL_TRACE)
        stream << ", interpolationMode = " << interpolationMode
               << ", dimensions = " << dimensions ;
    return stream;
}

Member Data Documentation

DimensionSet inet::physicallayer::IsotropicDimensionalBackgroundNoise::dimensions

protected

Referenced by computeNoise(), initialize(), and printToStream().

Mapping::InterpolationMethod inet::physicallayer::IsotropicDimensionalBackgroundNoise::interpolationMode

protected

Referenced by computeNoise(), initialize(), and printToStream().

W inet::physicallayer::IsotropicDimensionalBackgroundNoise::power

protected

Referenced by computeNoise(), initialize(), and printToStream().

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

• IsotropicDimensionalBackgroundNoise.h
• IsotropicDimensionalBackgroundNoise.cc