A Discrete-Event Network Simulator
API
trace-fading-loss-model.h
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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
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11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
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15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Giuseppe Piro <g.piro@poliba.it>
19  * Marco Miozzo <mmiozzo@cttc.es>
20  */
21 
22 
23 #ifndef TRACE_FADING_LOSS_MODEL_H
24 #define TRACE_FADING_LOSS_MODEL_H
25 
26 
27 #include <ns3/object.h>
28 #include <ns3/spectrum-propagation-loss-model.h>
29 #include <map>
30 #include "ns3/random-variable-stream.h"
31 #include <ns3/nstime.h>
32 
33 namespace ns3 {
34 
35 
36 class MobilityModel;
37 
38 
45 {
46 public:
48  virtual ~TraceFadingLossModel ();
49 
50  static TypeId GetTypeId ();
51 
52  virtual void DoInitialize (void);
53 
57  typedef std::pair<Ptr<const MobilityModel>, Ptr<const MobilityModel> > ChannelRealizationId_t;
58 
67  int64_t AssignStreams (int64_t stream);
68 
69 
70 private:
81  Ptr<const MobilityModel> b) const;
82 
89  double GetValue (int subChannel, double speed);
90 
91  void SetTraceFileName (std::string fileName);
92  void SetTraceLength (Time t);
93 
94  void LoadTrace ();
95 
96 
97 
98  mutable std::map <ChannelRealizationId_t, int > m_windowOffsetsMap;
99 
100  mutable std::map <ChannelRealizationId_t, Ptr<UniformRandomVariable> > m_startVariableMap;
101 
105  typedef std::vector<double> FadingTraceSample;
109  typedef std::vector<FadingTraceSample> FadingTrace;
110 
111 
112 
113  std::string m_traceFile;
114 
115  FadingTrace m_fadingTrace;
116 
117 
119  uint32_t m_samplesNum;
121  uint8_t m_rbNum;
124  mutable uint64_t m_currentStream;
125  mutable uint64_t m_lastStream;
126  uint64_t m_streamSetSize;
127  mutable bool m_streamsAssigned;
128 
129 };
130 
131 
132 
133 } // namespace ns3
134 
135 #endif /* TRACE_FADING_LOSS_MODEL_H */
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:73
std::vector< FadingTraceSample > FadingTrace
Vector collecting the time fading traces in the frequency domain (per RB)
int64_t AssignStreams(int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model...
std::vector< double > FadingTraceSample
Vector with fading samples in time domain (for a fixed RB)
virtual void DoInitialize(void)
Initialize() implementation.
std::pair< Ptr< const MobilityModel >, Ptr< const MobilityModel > > ChannelRealizationId_t
The couple of mobility mnode that form a fading channel realization.
double GetValue(int subChannel, double speed)
Get the value for a particular sub channel and a given speed.
std::map< ChannelRealizationId_t, Ptr< UniformRandomVariable > > m_startVariableMap
void SetTraceFileName(std::string fileName)
fading loss model based on precalculated fading traces
Ptr< SpectrumValue > DoCalcRxPowerSpectralDensity(Ptr< const SpectrumValue > txPsd, Ptr< const MobilityModel > a, Ptr< const MobilityModel > b) const
Every class exported by the ns3 library is enclosed in the ns3 namespace.
std::map< ChannelRealizationId_t, int > m_windowOffsetsMap
spectrum-aware propagation loss model
a unique identifier for an interface.
Definition: type-id.h:58