satellite-constant-interference.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2013 Magister Solutions Ltd.
4  * Copyright (c) 2018 CNES
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation;
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * Author: Sami Rantanen <sami.rantanen@magister.fi>
20  * Author: Mathias Ettinger <mettinger@toulouse.viveris.fr>
21  */
22 
24 
25 #include <ns3/double.h>
26 #include <ns3/log.h>
27 #include <ns3/simulator.h>
28 
29 NS_LOG_COMPONENT_DEFINE("SatConstantInterference");
30 
31 namespace ns3
32 {
33 
34 NS_OBJECT_ENSURE_REGISTERED(SatConstantInterference);
35 
36 TypeId
38 {
39  static TypeId tid = TypeId("ns3::SatConstantInterference")
40  .SetParent<SatInterference>()
41  .AddConstructor<SatConstantInterference>()
42  .AddAttribute("ConstantInterferencePower",
43  "Constant interference power in linear format.",
44  DoubleValue(0.0),
45  MakeDoubleAccessor(&SatConstantInterference::m_power),
46  MakeDoubleChecker<double_t>());
47  return tid;
48 }
49 
50 TypeId
52 {
53  return GetTypeId();
54 }
55 
57  : m_power(0.0),
58  m_rxing(false)
59 {
60 }
61 
63 {
64  Reset();
65 }
66 
67 Ptr<SatInterference::InterferenceChangeEvent>
68 SatConstantInterference::DoAdd(Time duration, double power, Address rxAddress)
69 {
70  NS_LOG_FUNCTION(this << duration.GetSeconds() << power << rxAddress);
71 
72  Ptr<SatInterference::InterferenceChangeEvent> event;
73  event = Create<SatInterference::InterferenceChangeEvent>(0, duration, power, rxAddress);
74 
75  return event;
76 }
77 
78 std::vector<std::pair<double, double>>
79 SatConstantInterference::DoCalculate(Ptr<SatInterference::InterferenceChangeEvent> event)
80 {
81  NS_LOG_FUNCTION(this);
82 
83  if (m_rxing == false)
84  {
85  NS_LOG_WARN("Most likely two overlapping receptions! With random access carrier"
86  " this should be fine, but with dedicated access prohibited!");
87  }
88 
89  std::vector<std::pair<double, double>> ifPowerPerFragment;
90  ifPowerPerFragment.emplace_back(1.0, m_power);
91 
92  return ifPowerPerFragment;
93 }
94 
95 void
97 {
98  NS_LOG_FUNCTION(this);
99 
100  m_rxing = false;
101 }
102 
103 void
104 SatConstantInterference::DoNotifyRxStart(Ptr<SatInterference::InterferenceChangeEvent> event)
105 {
106  NS_LOG_FUNCTION(this);
107 
108  m_rxing = true;
109 }
110 
111 void
112 SatConstantInterference::DoNotifyRxEnd(Ptr<SatInterference::InterferenceChangeEvent> event)
113 {
114  NS_LOG_FUNCTION(this);
115 
116  m_rxing = false;
117 }
118 
119 } // namespace ns3
120 
121 // namespace ns3
virtual Ptr< SatInterference::InterferenceChangeEvent > DoAdd(Time rxDuration, double rxPower, Address rxAddress)
Adds interference power to interference object.
virtual std::vector< std::pair< double, double > > DoCalculate(Ptr< SatInterference::InterferenceChangeEvent > event)
Calculates interference power for the given reference Sets final power at end time to finalPower.
~SatConstantInterference()
Destructor for SatConstantInterference.
virtual void DoNotifyRxEnd(Ptr< SatInterference::InterferenceChangeEvent > event)
Notifies that RX is ended by a receiver.
virtual void DoReset(void)
Resets current interference.
virtual void DoNotifyRxStart(Ptr< SatInterference::InterferenceChangeEvent > event)
Notifies that RX is started by a receiver.
static TypeId GetTypeId(void)
Get the type ID.
Abstract class defining interface for interference calculations objects.
void Reset(void)
Resets current interference.
SatArqSequenceNumber is handling the sequence numbers for the ARQ process.