A Discrete-Event Network Simulator
API
jakes-process.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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3  * Copyright (c) 2012 Telum (www.telum.ru)
4  *
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18  * Author: Kirill Andreev <andreev@telum.ru>, Alexander Sofronov <sofronov@telum.ru>
19  */
20 #ifndef DOPPLER_PROCESS_H
21 #define DOPPLER_PROCESS_H
22 
23 #include "ns3/object.h"
24 #include "ns3/nstime.h"
25 #include "ns3/random-variable-stream.h"
26 #include <complex>
27 
28 namespace ns3
29 {
30 class PropagationLossModel;
31 class JakesPropagationLossModel;
55 class JakesProcess : public Object
56 {
57 public:
62  static TypeId GetTypeId (void);
63  JakesProcess ();
64  virtual ~JakesProcess();
65  virtual void DoDispose ();
66 
71  std::complex<double> GetComplexGain () const;
76  double GetChannelGainDb () const;
77 
83 private:
87  struct Oscillator
88  {
95  Oscillator (std::complex<double> amplitude, double initialPhase, double omega);
101  std::complex<double> GetValueAt (Time t) const;
102 
103  std::complex<double> m_amplitude;
104  double m_phase;
105  double m_omega;
106  };
107 private:
108 
113  void SetNOscillators (unsigned int nOscillators);
114 
119  void SetDopplerFrequencyHz (double dopplerFrequencyHz);
120 
124  void ConstructOscillators ();
125 private:
126  std::vector<Oscillator> m_oscillators;
128  unsigned int m_nOscillators;
131 };
132 } // namespace ns3
133 #endif // DOPPLER_PROCESS_H
Ptr< UniformRandomVariable > m_uniformVariable
random stream
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
virtual ~JakesProcess()
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:73
std::complex< double > GetValueAt(Time t) const
Get the complex amplitude at a given moment.
void SetPropagationLossModel(Ptr< const PropagationLossModel > model)
Set the propagation model using this class.
std::vector< Oscillator > m_oscillators
Vector of oscillators.
virtual void DoDispose()
Destructor implementation.
This class Represents a single oscillator.
Definition: jakes-process.h:87
Oscillator(std::complex< double > amplitude, double initialPhase, double omega)
Initiate oscillator with complex amplitude, initial phase and rotation speed.
std::complex< double > GetComplexGain() const
Get the channel complex gain.
double m_omegaDopplerMax
max rotation speed Doppler frequency
double m_omega
Rotation speed of the oscillator .
Every class exported by the ns3 library is enclosed in the ns3 namespace.
void SetDopplerFrequencyHz(double dopplerFrequencyHz)
Set the Doppler frequency.
double GetChannelGainDb() const
Get the channel gain in dB.
unsigned int m_nOscillators
number of oscillators
static TypeId GetTypeId(void)
Get the type ID.
void ConstructOscillators()
A base class which provides memory management and object aggregation.
Definition: object.h:87
Ptr< const JakesPropagationLossModel > m_jakes
pointer to the propagation loss model
std::complex< double > m_amplitude
Complex number .
a unique identifier for an interface.
Definition: type-id.h:58
double m_phase
Phase of the oscillator.
void SetNOscillators(unsigned int nOscillators)
Set the number of Oscillators to use.
Implementation for a single path Stationary Jakes propagation loss model.
Definition: jakes-process.h:55