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#include "wifi-bandwidth-filter.h"

Inheritance diagram for ns3::WifiBandwidthFilter:

Collaboration diagram for ns3::WifiBandwidthFilter:

Public Member Functions
	WifiBandwidthFilter ()

bool	DoFilter (Ptr< const SpectrumSignalParameters > params, Ptr< const SpectrumPhy > receiverPhy) override
	Ignore the signal being received if it is a Wi-Fi PPDU whose TX band (including guard bands) does not overlap the current operating channel.

Public Member Functions inherited from ns3::SpectrumTransmitFilter
	SpectrumTransmitFilter ()

int64_t	AssignStreams (int64_t stream)
	If this loss model uses objects of type RandomVariableStream, set the stream numbers to the integers starting with the offset 'stream'.

bool	Filter (Ptr< const SpectrumSignalParameters > params, Ptr< const SpectrumPhy > receiverPhy)
	Evaluate whether the signal to be scheduled on the receiving Phy should instead be filtered (discarded) before being processed in this channel and on the receiving Phy.

Ptr< const SpectrumTransmitFilter >	GetNext () const
	Return the next transmit filter in the chain.

void	SetNext (Ptr< SpectrumTransmitFilter > next)
	Add a transmit filter to be consulted next if this filter does not filter the signal.

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor.

	~Object () override
	Destructor.

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together.

void	Dispose ()
	Dispose of this Object.

AggregateIterator	GetAggregateIterator () const
	Get an iterator to the Objects aggregated to this one.

TypeId	GetInstanceTypeId () const override
	Get the most derived TypeId for this Object.

template<typename T >
Ptr< T >	GetObject () const
	Get a pointer to the requested aggregated Object.

template<>
Ptr< Object >	GetObject () const
	Specialization of () for objects of type ns3::Object.

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId.

template<>
Ptr< Object >	GetObject (TypeId tid) const
	Specialization of (TypeId tid) for objects of type ns3::Object.

void	Initialize ()
	Invoke DoInitialize on all Objects aggregated to this one.

bool	IsInitialized () const
	Check if the object has been initialized.

void	UnidirectionalAggregateObject (Ptr< Object > other)
	Aggregate an Object to another Object.

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	Default constructor.

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor.

uint32_t	GetReferenceCount () const
	Get the reference count of the object.

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator.

void	Ref () const
	Increment the reference count.

void	Unref () const
	Decrement the reference count.

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor.

void	GetAttribute (std::string name, AttributeValue &value) const
	Get the value of an attribute, raising fatal errors if unsuccessful.

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising errors.

virtual TypeId	GetInstanceTypeId () const =0
	Get the most derived TypeId for this Object.

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful.

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors.

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context.

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context.

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context.

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context.

Static Public Member Functions
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::SpectrumTransmitFilter
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId ()
	Register this type.

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId ()
	Get the type ID.

Protected Member Functions
int64_t	DoAssignStreams (int64_t stream) override
	Assign a fixed random variable stream number to the random variables used by this model.

Protected Member Functions inherited from ns3::SpectrumTransmitFilter
virtual int64_t	DoAssignStreams (int64_t stream)=0
	Assign a fixed random variable stream number to the random variables used by this model.

void	DoDispose () override
	Destructor implementation.

Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object.

virtual void	DoDispose ()
	Destructor implementation.

virtual void	DoInitialize ()
	Initialize() implementation.

virtual void	NotifyNewAggregate ()
	Notify all Objects aggregated to this one of a new Object being aggregated.

Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes.

virtual void	NotifyConstructionCompleted ()
	Notifier called once the ObjectBase is fully constructed.

Additional Inherited Members
Related Functions inherited from ns3::ObjectBase
static TypeId	GetObjectIid ()
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly.

Detailed Description

Introspection did not find any typical Config paths.

No Attributes are defined for this type.
No TraceSources are defined for this type.
Size of this type is 64 bytes (on a 64-bit architecture).

Definition at line 26 of file wifi-bandwidth-filter.h.

Constructor & Destructor Documentation

◆ WifiBandwidthFilter()

ns3::WifiBandwidthFilter::WifiBandwidthFilter ( )

Definition at line 36 of file wifi-bandwidth-filter.cc.

References NS_LOG_FUNCTION.

Member Function Documentation

◆ DoAssignStreams()

int64_t ns3::WifiBandwidthFilter::DoAssignStreams ( int64_t stream )

overrideprotectedvirtual

Assign a fixed random variable stream number to the random variables used by this model.

Subclasses must implement this; those not using random variables can return zero.

Parameters

stream first stream index to use

Returns: the number of stream indices assigned by this model

Implements ns3::SpectrumTransmitFilter.

Definition at line 141 of file wifi-bandwidth-filter.cc.

◆ DoFilter()

bool ns3::WifiBandwidthFilter::DoFilter	(	Ptr< const SpectrumSignalParameters >	params,
		Ptr< const SpectrumPhy >	receiverPhy
	)

overridevirtual

Ignore the signal being received if it is a Wi-Fi PPDU whose TX band (including guard bands) does not overlap the current operating channel.

Parameters

params	the parameters of the signals being received
receiverPhy	the SpectrumPhy of the receiver

Returns: whether the signal being received should be ignored

The PPDU can be ignored if the two bands do not overlap.

First non-overlapping case:

                                   ┌─────────┬─────────┬─────────┐
                           PPDU    │  Guard  │ Nominal │  Guard  │
                                   │  Band   │   Band  │  Band   │
                                   └─────────┴─────────┴─────────┘
                               rxMinFreq                     rxMaxFreq

channelMinFreq channelMaxFreq ┌──────────────────────────────┐ │ Operating │ │ Channel │ └──────────────────────────────┘

Second non-overlapping case:

    ┌─────────┬─────────┬─────────┐

PPDU │ Guard │ Nominal │ Guard │ │ Band │ Band │ Band │ └─────────┴─────────┴─────────┘ rxMinFreq rxMaxFreq

                      channelMinFreq                channelMaxFreq
                              ┌──────────────────────────────┐
                              │         Operating            │
                              │           Channel            │
                              └──────────────────────────────┘

Implements ns3::SpectrumTransmitFilter.

Definition at line 52 of file wifi-bandwidth-filter.cc.

References ns3::DynamicCast(), ns3::BooleanValue::Get(), NS_ASSERT, NS_ASSERT_MSG, NS_LOG_DEBUG, and NS_LOG_FUNCTION.

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