A Discrete-Event Network Simulator
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lena-cqi-threshold.cc
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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
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
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: Manuel Requena <manuel.requena@cttc.es>
19  */
20 
21 
22 #include "ns3/core-module.h"
23 #include "ns3/network-module.h"
24 #include "ns3/mobility-module.h"
25 #include "ns3/lte-module.h"
26 #include "ns3/config-store.h"
27 #include <ns3/buildings-helper.h>
28 //#include "ns3/gtk-config-store.h"
29 
30 using namespace ns3;
31 
32 // position functions insipred by /examples/wireless/wifi-ap.cc
33 static void
34 SetPosition (Ptr<Node> node, Vector position)
35 {
36  Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();
37  mobility->SetPosition (position);
38 }
39 
40 static Vector
41 GetPosition (Ptr<Node> node)
42 {
43  Ptr<MobilityModel> mobility = node->GetObject<MobilityModel> ();
44  return mobility->GetPosition ();
45 }
46 
47 static void
48 ChangePosition (Ptr<Node> node)
49 {
50  Vector pos = GetPosition (node);
51 
52  if (pos.x <= 10.0)
53  {
54  pos.x = 100000.0; // force CQI to 0
55  }
56  else
57  {
58  pos.x = 5.0;
59  }
60  SetPosition (node, pos);
61 
62 }
63 
64 int main (int argc, char *argv[])
65 {
66  CommandLine cmd;
67  cmd.Parse (argc, argv);
68 
69  // to save a template default attribute file run it like this:
70  // ./waf --command-template="%s --ns3::ConfigStore::Filename=input-defaults.txt --ns3::ConfigStore::Mode=Save --ns3::ConfigStore::FileFormat=RawText" --run src/lte/examples/lena-first-sim
71  //
72  // to load a previously created default attribute file
73  // ./waf --command-template="%s --ns3::ConfigStore::Filename=input-defaults.txt --ns3::ConfigStore::Mode=Load --ns3::ConfigStore::FileFormat=RawText" --run src/lte/examples/lena-first-sim
74 
75  ConfigStore inputConfig;
76  inputConfig.ConfigureDefaults ();
77 
78  // parse again so you can override default values from the command line
79  cmd.Parse (argc, argv);
80 
81  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
82  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
83  // Uncomment to enable logging
84  //lteHelper->EnableLogComponents ();
85 
86  // Create Nodes: eNodeB and UE
87  NodeContainer enbNodes;
88  NodeContainer ueNodes;
89  enbNodes.Create (1);
90  ueNodes.Create (1);
91 
92  // Install Mobility Model
93  MobilityHelper mobility;
94  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
95  mobility.Install (enbNodes);
96  BuildingsHelper::Install (enbNodes);
97  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
98  mobility.Install (ueNodes);
99  BuildingsHelper::Install (ueNodes);
100 
101  // Create Devices and install them in the Nodes (eNB and UE)
102  NetDeviceContainer enbDevs;
103  NetDeviceContainer ueDevs;
104 // lteHelper->SetSchedulerType ("ns3::RrFfMacScheduler");
105  lteHelper->SetSchedulerType ("ns3::PfFfMacScheduler");
106  lteHelper->SetSchedulerAttribute ("CqiTimerThreshold", UintegerValue (3));
107  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
108  ueDevs = lteHelper->InstallUeDevice (ueNodes);
109 
110  lteHelper->EnableRlcTraces();
111  lteHelper->EnableMacTraces();
112 
113  // Attach a UE to a eNB
114  lteHelper->Attach (ueDevs, enbDevs.Get (0));
115 
116  Simulator::Schedule (Seconds (0.010), &ChangePosition, ueNodes.Get (0));
117  Simulator::Schedule (Seconds (0.020), &ChangePosition, ueNodes.Get (0));
118 
119  // Activate a data radio bearer
120  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
121  EpsBearer bearer (q);
122  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
123 
124 
125  Simulator::Stop (Seconds (0.030));
126 
127  Simulator::Run ();
128 
129  //GtkConfigStore config;
130  //config.ConfigureAttributes ();
131 
132  Simulator::Destroy ();
133  return 0;
134 }