a log distance propagation model. More...
#include <propagation-loss-model.h>
Public Member Functions | |
double | GetPathLossExponent (void) const |
void | SetPathLossExponent (double n) |
void | SetReference (double referenceDistance, double referenceLoss) |
Public Member Functions inherited from ns3::PropagationLossModel | |
int64_t | AssignStreams (int64_t stream) |
double | CalcRxPower (double txPowerDbm, Ptr< MobilityModel > a, Ptr< MobilityModel > b) const |
Ptr< PropagationLossModel > | GetNext () |
Gets the next PropagationLossModel in the chain of loss models that act on the signal. More... | |
void | SetNext (Ptr< PropagationLossModel > next) |
Enables a chain of loss models to act on the signal. More... | |
Public Member Functions inherited from ns3::Object | |
void | AggregateObject (Ptr< Object > other) |
void | Dispose (void) |
AggregateIterator | GetAggregateIterator (void) const |
virtual TypeId | GetInstanceTypeId (void) const |
template<typename T > | |
Ptr< T > | GetObject (void) const |
template<typename T > | |
Ptr< T > | GetObject (TypeId tid) const |
void | Initialize (void) |
Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter > | |
SimpleRefCount (const SimpleRefCount &o) | |
uint32_t | GetReferenceCount (void) const |
SimpleRefCount & | operator= (const SimpleRefCount &o) |
void | Ref (void) const |
void | Unref (void) const |
Public Member Functions inherited from ns3::ObjectBase | |
void | GetAttribute (std::string name, AttributeValue &value) const |
bool | GetAttributeFailSafe (std::string name, AttributeValue &attribute) const |
void | SetAttribute (std::string name, const AttributeValue &value) |
bool | SetAttributeFailSafe (std::string name, const AttributeValue &value) |
bool | TraceConnect (std::string name, std::string context, const CallbackBase &cb) |
bool | TraceConnectWithoutContext (std::string name, const CallbackBase &cb) |
bool | TraceDisconnect (std::string name, std::string context, const CallbackBase &cb) |
bool | TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb) |
Static Public Member Functions | |
static TypeId | GetTypeId (void) |
Static Public Member Functions inherited from ns3::PropagationLossModel | |
static TypeId | GetTypeId (void) |
Static Public Member Functions inherited from ns3::Object | |
static TypeId | GetTypeId (void) |
Static Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter > | |
static void | Cleanup (void) |
Static Public Member Functions inherited from ns3::ObjectBase | |
static TypeId | GetTypeId (void) |
Private Member Functions | |
LogDistancePropagationLossModel (const LogDistancePropagationLossModel &o) | |
virtual int64_t | DoAssignStreams (int64_t stream) |
virtual double | DoCalcRxPower (double txPowerDbm, Ptr< MobilityModel > a, Ptr< MobilityModel > b) const |
LogDistancePropagationLossModel & | operator= (const LogDistancePropagationLossModel &o) |
Static Private Member Functions | |
static Ptr< PropagationLossModel > | CreateDefaultReference (void) |
Private Attributes | |
double | m_exponent |
double | m_referenceDistance |
double | m_referenceLoss |
Additional Inherited Members | |
Protected Member Functions inherited from ns3::Object | |
Object (const Object &o) | |
virtual void | DoDispose (void) |
virtual void | DoInitialize (void) |
virtual void | NotifyNewAggregate (void) |
Protected Member Functions inherited from ns3::ObjectBase | |
void | ConstructSelf (const AttributeConstructionList &attributes) |
virtual void | NotifyConstructionCompleted (void) |
a log distance propagation model.
This model calculates the reception power with a so-called log-distance propagation model:
where:
When the path loss is requested at a distance smaller than the reference distance, the tx power is returned.
ns3::LogDistancePropagationLossModel is accessible through the following paths with Config::Set and Config::Connect:
No TraceSources are defined for this type.
Definition at line 352 of file propagation-loss-model.h.
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privatevirtual |
Subclasses must implement this; those not using random variables can return zero
Implements ns3::PropagationLossModel.
Definition at line 533 of file propagation-loss-model.cc.
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privatevirtual |
The formula is: rx = 10 * log (Pr0(tx)) - n * 10 * log (d/d0)
Pr0: rx power at reference distance d0 (W) d0: reference distance: 1.0 (m) d: distance (m) tx: tx power (dB) rx: dB
Which, in our case is:
rx = rx0(tx) - 10 * n * log (d/d0)
Implements ns3::PropagationLossModel.
Definition at line 502 of file propagation-loss-model.cc.
References ns3::MobilityModel::GetDistanceFrom(), and NS_LOG_DEBUG.
double ns3::LogDistancePropagationLossModel::GetPathLossExponent | ( | void | ) | const |
Definition at line 496 of file propagation-loss-model.cc.
void ns3::LogDistancePropagationLossModel::SetPathLossExponent | ( | double | n | ) |
n | the path loss exponent. Set the path loss exponent. |
Definition at line 485 of file propagation-loss-model.cc.