A Discrete-Event Network Simulator
API
lte-test-fdmt-ff-mac-scheduler.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: Marco Miozzo <marco.miozzo@cttc.es>,
19  * Nicola Baldo <nbaldo@cttc.es>
20  * Dizhi Zhou <dizhi.zhou@gmail.com>
21  */
22 
23 #include <iostream>
24 #include <sstream>
25 #include <string>
26 #include <ns3/object.h>
27 #include <ns3/spectrum-interference.h>
28 #include <ns3/spectrum-error-model.h>
29 #include <ns3/log.h>
30 #include <ns3/test.h>
31 #include <ns3/simulator.h>
32 #include <ns3/packet.h>
33 #include <ns3/ptr.h>
34 #include "ns3/radio-bearer-stats-calculator.h"
35 #include <ns3/constant-position-mobility-model.h>
36 #include <ns3/ff-mac-scheduler.h>
38 #include <ns3/eps-bearer.h>
39 #include <ns3/node-container.h>
40 #include <ns3/mobility-helper.h>
41 #include <ns3/net-device-container.h>
42 #include <ns3/lte-ue-net-device.h>
43 #include <ns3/lte-enb-net-device.h>
44 #include <ns3/lte-ue-rrc.h>
45 #include <ns3/lte-helper.h>
46 #include "ns3/string.h"
47 #include "ns3/double.h"
48 #include <ns3/lte-enb-phy.h>
49 #include <ns3/lte-ue-phy.h>
50 #include <ns3/boolean.h>
51 #include <ns3/enum.h>
52 
53 using namespace ns3;
54 
55 NS_LOG_COMPONENT_DEFINE ("LenaTestFdMtFfMacScheduler");
56 
58  : TestSuite ("lte-fdmt-ff-mac-scheduler", SYSTEM)
59 {
60  NS_LOG_INFO ("creating LenaTestFdMtFfMacSchedulerSuite");
61 
62  bool errorModel = false;
63 
64  //Test Case : AMC works in FDMT
65 
66  //Note: here the MCS is calculated by the narrowband CQI
67 
68  // DOWNLINK - DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
69  // 1 user -> 24 PRB at Itbs 26 -> 2196 -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
70  // 3 users -> 2196000 among 3 users -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
71  // 6 users -> 2196000 among 6 users -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
72  // 12 users -> 2196000 among 12 users -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
73  // UPLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
74  // 1 user -> 25 PRB at Itbs 26 -> 2292 -> 2292000 bytes/sec
75  // 3 users -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
76  // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
77  // after the patch enforcing min 3 PRBs per UE:
78  // 12 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/12 UE/TTI -> 184670 bytes/sec
79  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,0,2196000,2292000, errorModel), TestCase::EXTENSIVE);
80  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,0,2196000,749000,errorModel), TestCase::QUICK);
81  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,0,2196000,373000, errorModel), TestCase::EXTENSIVE);
82  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,0,2196000,184670, errorModel), TestCase::EXTENSIVE);
83 
84  // DOWNLINK - DISTANCE 4800 -> MCS 22 -> Itbs 20 (from table 7.1.7.2.1-1 of 36.213)
85  // 1 user -> 24 PRB at Itbs 20 -> 1383 -> 1383000 byte/secfor one UE; 0 bytes/sec for other UEs
86  // 3 users -> 1383000 among 3 users -> 1383000 bytes/sec for one UE; 0 bytes/sec for other UEs
87  // 6 users -> 1383000 among 6 users -> 1383000 bytes/sec for one UE; 0 bytes/sec for other UEs
88  // 12 users -> 1383000 among 12 users -> 1383000 bytes/sec for one UE; 0 bytes/sec for other UEs
89  // UPLINK - DISTANCE 4800 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
90  // 1 user -> 25 PRB at Itbs 13 -> 807 -> 807000 bytes/sec
91  // 3 users -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
92  // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
93  // after the patch enforcing min 3 PRBs per UE:
94  // 12 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/12 UE/TTI -> 62000 bytes/sec
95  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,4800,1383000,807000,errorModel), TestCase::EXTENSIVE);
96  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,4800,1383000,253000,errorModel), TestCase::EXTENSIVE);
97  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,4800,1383000,125000,errorModel), TestCase::EXTENSIVE);
98  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,4800,1383000,62000,errorModel), TestCase::EXTENSIVE);
99 
100 
101  // DOWNLINK - DISTANCE 6000 -> MCS 20 -> Itbs 18 (from table 7.1.7.2.1-1 of 36.213)
102  // 1 user -> 24 PRB at Itbs 18 -> 1191 -> 1191000 byte/sec for one UE; 0 bytes/sec for other UEs
103  // 3 users -> 1191000 among 3 users -> 1191000 bytes/sec for one UE; 0 bytes/sec for other UEs
104  // 6 users -> 1191000 among 6 users -> 1191000 bytes/sec for one UE; 0 bytes/sec for other UEs
105  // 12 users ->1191000 among 12 users -> 1191000 bytes/sec for one UE; 0 bytes/sec for other UEs
106  // UPLINK - DISTANCE 6000 -> MCS 12 -> Itbs 11 (from table 7.1.7.2.1-1 of 36.213)
107  // 1 user -> 25 PRB at Itbs 11 -> 621 -> 621000 bytes/sec
108  // 3 users -> 8 PRB at Itbs 11 -> 201 -> 201000 bytes/sec
109  // 6 users -> 4 PRB at Itbs 11 -> 97 -> 97000 bytes/sec
110  // after the patch enforcing min 3 PRBs per UE:
111  // 12 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/12 UE/TTI -> 48667 bytes/sec
112  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,6000,1191000,621000, errorModel), TestCase::EXTENSIVE);
113  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,6000,1191000,201000, errorModel), TestCase::EXTENSIVE);
114  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,6000,1191000,97000, errorModel), TestCase::EXTENSIVE);
115  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,6000,1191000,48667, errorModel), TestCase::EXTENSIVE);
116 
117  // DOWNLINK - DISTANCE 10000 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
118  // 1 user -> 24 PRB at Itbs 13 -> 775 -> 775000 byte/sec for one UE; 0 bytes/sec for other UEs
119  // 3 users -> 775000 among 3 users -> 775000 bytes/sec for one UE; 0 bytes/sec for other UEs
120  // 6 users -> 775000 among 6 users -> 775000 bytes/sec for one UE; 0 bytes/sec for other UEs
121  // 12 users -> 775000 among 12 users -> 775000 bytes/sec for one UE; 0 bytes/sec for other UEs
122  // UPLINK - DISTANCE 10000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
123  // 1 user -> 24 PRB at Itbs 8 -> 437 -> 437000 bytes/sec
124  // 3 users -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
125  // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
126  // after the patch enforcing min 3 PRBs per UE:
127  // 12 users -> 3 PRB at Itbs 8 -> 49 bytes * 8/12 UE/TTI -> 32667 bytes/sec
128  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,10000,775000,437000,errorModel), TestCase::EXTENSIVE);
129  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,10000,775000,137000,errorModel), TestCase::EXTENSIVE);
130  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,10000,775000,67000,errorModel), TestCase::EXTENSIVE);
131  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,10000,775000,32667,errorModel), TestCase::EXTENSIVE);
132 
133  // DONWLINK - DISTANCE 20000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
134  // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
135  // 3 users -> 421000 among 3 users -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
136  // 6 users -> 421000 among 6 users -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
137  // 12 users -> 421000 among 12 users -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
138  // UPLINK - DISTANCE 20000 -> MCS 2 -> Itbs 2 (from table 7.1.7.2.1-1 of 36.213)
139  // 1 user -> 25 PRB at Itbs 2 -> 233 -> 137000 bytes/sec
140  // 3 users -> 8 PRB at Itbs 2 -> 69 -> 41000 bytes/sec
141  // 6 users -> 4 PRB at Itbs 2 -> 32 -> 22000 bytes/sec
142  // after the patch enforcing min 3 PRBs per UE:
143  // 12 users -> 3 PRB at Itbs 2 -> 26 bytes * 8/12 UE/TTI -> 12000 bytes/sec
144  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,20000,421000,137000,errorModel), TestCase::EXTENSIVE);
145  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,20000,421000,41000,errorModel), TestCase::EXTENSIVE);
146  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,20000,421000,22000,errorModel), TestCase::EXTENSIVE);
147  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,20000,421000,12000,errorModel), TestCase::EXTENSIVE);
148 
149  // DOWNLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
150  // UPLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
151  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,100000,0,0,errorModel), TestCase::QUICK);
152 }
153 
155 
156 
157 // --------------- T E S T - C A S E ------------------------------
158 
159 std::string
161 {
162  std::ostringstream oss;
163  oss << nUser << " UEs, distance " << dist << " m";
164  return oss.str ();
165 }
166 
167 LenaFdMtFfMacSchedulerTestCase::LenaFdMtFfMacSchedulerTestCase (uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
168  : TestCase (BuildNameString (nUser, dist)),
169  m_nUser (nUser),
170  m_dist (dist),
171  m_thrRefDl (thrRefDl),
172  m_thrRefUl (thrRefUl),
173  m_errorModelEnabled (errorModelEnabled)
174 {
175 }
176 
178 {
179 }
180 
181 
182 void
184 {
185 
186  NS_LOG_FUNCTION (this << m_nUser << m_dist);
187 
188  if (!m_errorModelEnabled)
189  {
190  Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
191  Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
192  }
193 
194  Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (true));
195  Config::SetDefault ("ns3::MacStatsCalculator::DlOutputFilename", StringValue (CreateTempDirFilename ("DlMacStats.txt")));
196  Config::SetDefault ("ns3::MacStatsCalculator::UlOutputFilename", StringValue (CreateTempDirFilename ("UlMacStats.txt")));
197  Config::SetDefault ("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename", StringValue (CreateTempDirFilename ("DlRlcStats.txt")));
198  Config::SetDefault ("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename", StringValue (CreateTempDirFilename ("UlRlcStats.txt")));
199 
204  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
205  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
206 
207  // Create Nodes: eNodeB and UE
208  NodeContainer enbNodes;
209  NodeContainer ueNodes;
210  enbNodes.Create (1);
211  ueNodes.Create (m_nUser);
212 
213  // Install Mobility Model
215  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
216  mobility.Install (enbNodes);
217  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
218  mobility.Install (ueNodes);
219 
220  // Create Devices and install them in the Nodes (eNB and UE)
221  NetDeviceContainer enbDevs;
222  NetDeviceContainer ueDevs;
223  lteHelper->SetSchedulerType ("ns3::FdMtFfMacScheduler");
224  lteHelper->SetSchedulerAttribute ("UlCqiFilter", EnumValue (FfMacScheduler::SRS_UL_CQI));
225  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
226  ueDevs = lteHelper->InstallUeDevice (ueNodes);
227 
228  // Attach a UE to a eNB
229  lteHelper->Attach (ueDevs, enbDevs.Get (0));
230 
231  // Activate an EPS bearer
232  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
233  EpsBearer bearer (q);
234  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
235 
236 
237  Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
238  Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
239  enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
240  enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
241 
242  // Set UEs' position and power
243  for (int i = 0; i < m_nUser; i++)
244  {
246  mm->SetPosition (Vector (m_dist, 0.0, 0.0));
247  Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
248  Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
249  uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
250  uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
251  }
252 
253 
254  double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
255  double statsDuration = 0.6;
256  double tolerance = 0.1;
257  Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
258 
259  lteHelper->EnableMacTraces ();
260  lteHelper->EnableRlcTraces ();
261  Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
262  rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
263  rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
264 
265 
266  Simulator::Run ();
267 
271  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
272  std::vector <uint64_t> dlDataRxed;
273  for (int i = 0; i < m_nUser; i++)
274  {
275  // get the imsi
276  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
277  uint8_t lcId = 3;
278  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
279  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_thrRefDl);
280  }
281 
287  uint8_t found = 0;
288  for (int i = 0; i < m_nUser; i++)
289  {
290  double throughput = (double)dlDataRxed.at (i) / statsDuration;
291  if (throughput != 0 && found == 0)
292  {
293  NS_TEST_ASSERT_MSG_EQ_TOL (throughput, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
294  found = 1;
295  }
296  else if (throughput != 0 && found == 1)
297  {
298  NS_TEST_ASSERT_MSG_EQ_TOL (0, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
299  }
300  else
301  NS_TEST_ASSERT_MSG_EQ_TOL (throughput, 0, 0, " Unfair Throughput!");
302  }
303 
307  NS_LOG_INFO ("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
308  std::vector <uint64_t> ulDataRxed;
309  for (int i = 0; i < m_nUser; i++)
310  {
311  // get the imsi
312  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
313  // get the lcId
314  uint8_t lcId = 3;
315  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
316  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << m_thrRefUl);
317  }
324  for (int i = 0; i < m_nUser; i++)
325  {
326  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, m_thrRefUl, m_thrRefUl * tolerance, " Unfair Throughput!");
327  }
328  Simulator::Destroy ();
329 
330 }
331 
This system test program creates different test cases with a single eNB and several UEs,...
double m_thrRefDl
DL throughput reference.
LenaFdMtFfMacSchedulerTestCase(uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Constructor.
static std::string BuildNameString(uint16_t nUser, double dist)
Builds the test name string based on provided parameter values.
double m_dist
distance between the nodes
virtual void DoRun(void)
Implementation to actually run this TestCase.
double m_thrRefUl
UL throughput reference.
Test suite for LenaFdMtFfMacSchedulerTestCase test case.
AttributeValue implementation for Boolean.
Definition: boolean.h:37
Mobility model for which the current position does not change once it has been set and until it is se...
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:41
Hold variables of type enum.
Definition: enum.h:55
This class contains the specification of EPS Bearers.
Definition: eps-bearer.h:92
Qci
QoS Class Indicator.
Definition: eps-bearer.h:107
The eNodeB device implementation.
Ptr< LteEnbPhy > GetPhy(void) const
void SetSchedulerAttribute(std::string n, const AttributeValue &v)
Set an attribute for the scheduler to be created.
Definition: lte-helper.cc:293
NetDeviceContainer InstallEnbDevice(NodeContainer c)
Create a set of eNodeB devices.
Definition: lte-helper.cc:474
Ptr< RadioBearerStatsCalculator > GetRlcStats(void)
Definition: lte-helper.cc:1572
void SetSchedulerType(std::string type)
Set the type of scheduler to be used by eNodeB devices.
Definition: lte-helper.cc:279
void Attach(NetDeviceContainer ueDevices)
Enables automatic attachment of a set of UE devices to a suitable cell using Idle mode initial cell s...
Definition: lte-helper.cc:959
void EnableRlcTraces(void)
Enable trace sinks for RLC layer.
Definition: lte-helper.cc:1435
void ActivateDataRadioBearer(NetDeviceContainer ueDevices, EpsBearer bearer)
Activate a Data Radio Bearer on a given UE devices (for LTE-only simulation).
Definition: lte-helper.cc:1313
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:489
void EnableMacTraces(void)
Enable trace sinks for MAC layer.
Definition: lte-helper.cc:1529
The LteUeNetDevice class implements the UE net device.
Helper class used to assign positions and mobility models to nodes.
holds a vector of ns3::NetDevice pointers
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
keep track of a set of node pointers.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:256
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
Hold variables of type string.
Definition: string.h:41
encapsulates test code
Definition: test.h:994
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition: test.cc:430
A suite of tests to run.
Definition: test.h:1188
AttributeValue implementation for Time.
Definition: nstime.h:1308
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:849
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:281
#define NS_TEST_ASSERT_MSG_EQ_TOL(actual, limit, tol, msg)
Test that actual and expected (limit) values are equal to plus or minus some tolerance and report and...
Definition: test.h:323
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
static LenaTestFdMtFfMacSchedulerSuite lenaTestFdMtFfMacSchedulerSuite
Every class exported by the ns3 library is enclosed in the ns3 namespace.
mobility
Definition: third.py:108