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ns3::PropagationLossModel Class Referenceabstract

Models the propagation loss through a transmission medium. More...

#include "propagation-loss-model.h"

+ Inheritance diagram for ns3::PropagationLossModel:
+ Collaboration diagram for ns3::PropagationLossModel:

Public Member Functions

 PropagationLossModel ()
 
 PropagationLossModel (const PropagationLossModel &)=delete
 
 ~PropagationLossModel () override
 
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'.
 
double CalcRxPower (double txPowerDbm, Ptr< MobilityModel > a, Ptr< MobilityModel > b) const
 Returns the Rx Power taking into account all the PropagationLossModel(s) chained to the current one.
 
Ptr< PropagationLossModelGetNext ()
 Gets the next PropagationLossModel in the chain of loss models that act on the signal.
 
PropagationLossModeloperator= (const PropagationLossModel &)=delete
 
void SetNext (Ptr< PropagationLossModel > next)
 Enables a chain of loss models to act on 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< ObjectGetObject () 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< ObjectGetObject (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.
 
SimpleRefCountoperator= (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, bool permissive=false) 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.
 
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::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

virtual int64_t DoAssignStreams (int64_t stream)=0
 Assign a fixed random variable stream number to the random variables used by this model.
 
- 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.
 

Private Member Functions

virtual double DoCalcRxPower (double txPowerDbm, Ptr< MobilityModel > a, Ptr< MobilityModel > b) const =0
 PropagationLossModel.
 

Private Attributes

Ptr< PropagationLossModelm_next
 Next propagation loss model in the list.
 

Additional Inherited Members

Detailed Description

Models the propagation loss through a transmission medium.

Calculate the receive power (dbm) from a transmit power (dbm) and a mobility model for the source and destination positions.

Config Paths

ns3::PropagationLossModel is accessible through the following paths with Config::Set and Config::Connect:

  • "/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Channel/$ns3::SpectrumChannel/PropagationLossModel"
  • "/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Channel/$ns3::YansWifiChannel/PropagationLossModel"
  • "/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Phy/Channel/$ns3::SpectrumChannel/PropagationLossModel"
  • "/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Phy/Channel/$ns3::YansWifiChannel/PropagationLossModel"
  • "/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Phys/[i]/Channel/$ns3::SpectrumChannel/PropagationLossModel"
  • "/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Phys/[i]/Channel/$ns3::YansWifiChannel/PropagationLossModel"
  • "/NodeList/[i]/DeviceList/[i]/$ns3::lrwpan::LrWpanNetDevice/Channel/PropagationLossModel"
  • "/ChannelList/[i]/$ns3::SpectrumChannel/PropagationLossModel"
  • "/ChannelList/[i]/$ns3::YansWifiChannel/PropagationLossModel"

No Attributes are defined for this type.
No TraceSources are defined for this type.
Group: Propagation

Size of this type is 64 bytes (on a 64-bit architecture).

Definition at line 44 of file propagation-loss-model.h.

Constructor & Destructor Documentation

◆ PropagationLossModel() [1/2]

ns3::PropagationLossModel::PropagationLossModel ( )

Definition at line 40 of file propagation-loss-model.cc.

◆ ~PropagationLossModel()

ns3::PropagationLossModel::~PropagationLossModel ( )
override

Definition at line 45 of file propagation-loss-model.cc.

◆ PropagationLossModel() [2/2]

ns3::PropagationLossModel::PropagationLossModel ( const PropagationLossModel & )
delete

Member Function Documentation

◆ AssignStreams()

int64_t ns3::PropagationLossModel::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'.

Return the number of streams (possibly zero) that have been assigned. If there are PropagationLossModels chained together, this method will also assign streams to the downstream models.

Parameters
streamthe stream index offset start
Returns
the number of stream indices assigned by this model

Definition at line 75 of file propagation-loss-model.cc.

References DoAssignStreams(), and m_next.

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◆ CalcRxPower()

double ns3::PropagationLossModel::CalcRxPower ( double txPowerDbm,
Ptr< MobilityModel > a,
Ptr< MobilityModel > b ) const

Returns the Rx Power taking into account all the PropagationLossModel(s) chained to the current one.

Parameters
txPowerDbmcurrent transmission power (in dBm)
athe mobility model of the source
bthe mobility model of the destination
Returns
the reception power after adding/multiplying propagation loss (in dBm)

Definition at line 62 of file propagation-loss-model.cc.

References DoCalcRxPower(), and m_next.

Referenced by MatrixPropagationLossModelTestCase::DoRun().

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◆ DoAssignStreams()

virtual int64_t ns3::PropagationLossModel::DoAssignStreams ( int64_t stream)
protectedpure virtual

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
streamfirst stream index to use
Returns
the number of stream indices assigned by this model

Implemented in ns3::BuildingsPropagationLossModel, ns3::Cost231PropagationLossModel, ns3::FixedRssLossModel, ns3::FriisPropagationLossModel, ns3::ItuR1238PropagationLossModel, ns3::ItuR1411LosPropagationLossModel, ns3::ItuR1411NlosOverRooftopPropagationLossModel, ns3::JakesPropagationLossModel, ns3::Kun2600MhzPropagationLossModel, ns3::LogDistancePropagationLossModel, ns3::MatrixPropagationLossModel, ns3::NakagamiPropagationLossModel, ns3::OkumuraHataPropagationLossModel, ns3::RandomPropagationLossModel, ns3::RangePropagationLossModel, ns3::ThreeGppPropagationLossModel, ns3::ThreeGppUmaPropagationLossModel, ns3::ThreeGppV2vUrbanPropagationLossModel, ns3::ThreeLogDistancePropagationLossModel, and ns3::TwoRayGroundPropagationLossModel.

Referenced by AssignStreams().

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◆ DoCalcRxPower()

virtual double ns3::PropagationLossModel::DoCalcRxPower ( double txPowerDbm,
Ptr< MobilityModel > a,
Ptr< MobilityModel > b ) const
privatepure virtual

◆ GetNext()

Ptr< PropagationLossModel > ns3::PropagationLossModel::GetNext ( )

Gets the next PropagationLossModel in the chain of loss models that act on the signal.

Returns
The next PropagationLossModel in the chain

This method of chaining propagation loss models only works commutatively if the propagation loss of all models in the chain are independent of transmit power.

Definition at line 56 of file propagation-loss-model.cc.

References m_next.

◆ GetTypeId()

TypeId ns3::PropagationLossModel::GetTypeId ( )
static

Get the type ID.

Get the type ID.

Returns
the object TypeId

Definition at line 33 of file propagation-loss-model.cc.

References ns3::TypeId::SetParent().

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◆ operator=()

PropagationLossModel & ns3::PropagationLossModel::operator= ( const PropagationLossModel & )
delete

◆ SetNext()

void ns3::PropagationLossModel::SetNext ( Ptr< PropagationLossModel > next)

Enables a chain of loss models to act on the signal.

Parameters
nextThe next PropagationLossModel to add to the chain

This method of chaining propagation loss models only works commutatively if the propagation loss of all models in the chain are independent of transmit power.

Definition at line 50 of file propagation-loss-model.cc.

References m_next.

Member Data Documentation

◆ m_next

Ptr<PropagationLossModel> ns3::PropagationLossModel::m_next
private

Next propagation loss model in the list.

Definition at line 131 of file propagation-loss-model.h.

Referenced by AssignStreams(), CalcRxPower(), GetNext(), and SetNext().


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