A Discrete-Event Network Simulator
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jakes-propagation-loss-model.cc
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2012 Telum (www.telum.ru)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Kirill Andreev <andreev@telum.ru>
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*/
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#include "jakes-propagation-loss-model.h"
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#include "ns3/double.h"
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#include "ns3/log.h"
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NS_LOG_COMPONENT_DEFINE
(
"Jakes"
);
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namespace
ns3
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{
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NS_OBJECT_ENSURE_REGISTERED (JakesPropagationLossModel);
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const
double
JakesPropagationLossModel::PI = 3.14159265358979323846;
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JakesPropagationLossModel::JakesPropagationLossModel()
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{
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m_uniformVariable = CreateObject<UniformRandomVariable> ();
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m_uniformVariable->
SetAttribute
(
"Min"
, DoubleValue (-1.0 * PI));
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m_uniformVariable->
SetAttribute
(
"Max"
, DoubleValue (PI));
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}
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JakesPropagationLossModel::~JakesPropagationLossModel()
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{}
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TypeId
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JakesPropagationLossModel::GetTypeId ()
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{
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static
TypeId tid = TypeId (
"ns3::JakesPropagationLossModel"
)
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.SetParent<PropagationLossModel> ()
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.AddConstructor<JakesPropagationLossModel> ()
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;
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return
tid;
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}
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double
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JakesPropagationLossModel::DoCalcRxPower
(
double
txPowerDbm,
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Ptr<MobilityModel>
a,
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Ptr<MobilityModel>
b)
const
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{
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Ptr<JakesProcess>
pathData = m_propagationCache.GetPathData (a, b, 0 );
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if
(pathData == 0)
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{
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pathData = CreateObject<JakesProcess> ();
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pathData->SetPropagationLossModel (
this
);
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m_propagationCache.AddPathData (pathData, a, b, 0);
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}
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return
txPowerDbm + pathData->GetChannelGainDb ();
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}
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Ptr<UniformRandomVariable>
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JakesPropagationLossModel::GetUniformRandomVariable ()
const
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{
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return
m_uniformVariable;
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}
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int64_t
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JakesPropagationLossModel::DoAssignStreams
(int64_t stream)
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{
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m_uniformVariable->
SetStream
(stream);
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return
1;
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}
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}
// namespace ns3
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ns3::Ptr< MobilityModel >
ns3::RandomVariableStream::SetStream
void SetStream(int64_t stream)
Specifies the stream number for this RNG stream.
Definition:
random-variable-stream.cc:91
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Definition:
log.h:122
ns3::JakesPropagationLossModel::DoCalcRxPower
double DoCalcRxPower(double txPowerDbm, Ptr< MobilityModel > a, Ptr< MobilityModel > b) const
Definition:
jakes-propagation-loss-model.cc:55
ns3::JakesPropagationLossModel::DoAssignStreams
virtual int64_t DoAssignStreams(int64_t stream)
Definition:
jakes-propagation-loss-model.cc:76
ns3::ObjectBase::SetAttribute
void SetAttribute(std::string name, const AttributeValue &value)
Definition:
object-base.cc:160
src
propagation
model
jakes-propagation-loss-model.cc
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