A Discrete-Event Network Simulator
API
lte-test-rr-ff-mac-scheduler.cc
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1/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2011, 2012 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 */
21
22#include <ns3/object.h>
23#include <ns3/spectrum-interference.h>
24#include <ns3/spectrum-error-model.h>
25#include <ns3/log.h>
26#include <ns3/test.h>
27#include <ns3/simulator.h>
28#include <ns3/packet.h>
29#include <ns3/ptr.h>
30#include <iostream>
31#include "ns3/radio-bearer-stats-calculator.h"
32#include <ns3/constant-position-mobility-model.h>
33#include <ns3/ff-mac-scheduler.h>
34#include <ns3/eps-bearer.h>
35#include <ns3/node-container.h>
36#include <ns3/mobility-helper.h>
37#include <ns3/net-device-container.h>
38#include <ns3/lte-ue-net-device.h>
39#include <ns3/lte-enb-net-device.h>
40#include <ns3/lte-ue-rrc.h>
41#include <ns3/lte-helper.h>
42#include "ns3/string.h"
43#include "ns3/double.h"
44#include <ns3/lte-enb-phy.h>
45#include <ns3/lte-ue-phy.h>
46#include <ns3/boolean.h>
47#include <ns3/enum.h>
48#include <ns3/config-store-module.h>
49
51
52using namespace ns3;
53
54NS_LOG_COMPONENT_DEFINE ("LenaTestRrFfMacScheduler");
55
57 : TestSuite ("lte-rr-ff-mac-scheduler", SYSTEM)
58{
59 NS_LOG_INFO ("creating LenaRrFfMacSchedulerTestCase");
60
61 bool errorModel = true;
62
63
64 // DOWNLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
65 // 1 user -> 24 PRB at Itbs 26 -> 2196 -> 2196000 bytes/sec
66 // 3 users -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
67 // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
68 // 9 user -> 2 PRB at Itbs 26 -> 185 -> 185000 bytes/sec
69 // 12 users -> 2 PRB at Itbs 26 -> 185 -> 185000 bytes/sec
70 // 15 users -> 2 PRB at Itbs 26 * 0.8 -> 148 -> 148000 bytes/sec
71 // UPLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
72 // 1 user -> 25 PRB at Itbs 26 -> 2292 -> 2292000 bytes/sec
73 // 3 users -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
74 // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
75 // after the patch enforcing min 3 PRBs per UE:
76 // 9 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/9 UE/TTI -> 246220 bytes/sec
77 // 12 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/12 UE/TTI -> 184670 bytes/sec
78 // 15 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/15 UE/TTI -> 147730 bytes/sec
79 AddTestCase (new LenaRrFfMacSchedulerTestCase (1,0,2196000,2292000,errorModel), TestCase::EXTENSIVE);
80 AddTestCase (new LenaRrFfMacSchedulerTestCase (3,0,749000,749000,errorModel), TestCase::QUICK);
81 AddTestCase (new LenaRrFfMacSchedulerTestCase (6,0,373000,373000,errorModel), TestCase::EXTENSIVE);
82 AddTestCase (new LenaRrFfMacSchedulerTestCase (9,0,185000,246220,errorModel), TestCase::EXTENSIVE);
83 AddTestCase (new LenaRrFfMacSchedulerTestCase (12,0,185000,184670,errorModel), TestCase::EXTENSIVE);
84 AddTestCase (new LenaRrFfMacSchedulerTestCase (15,0,148000,147730,errorModel), TestCase::EXTENSIVE);
85
86 // DOWNLINK - DISTANCE 4800 -> MCS 22 -> Itbs 20 (from table 7.1.7.2.1-1 of 36.213)
87 // 1 user -> 24 PRB at Itbs 20 -> 1383 -> 1383000 bytes/sec
88 // 3 users -> 8 PRB at Itbs 20 -> 469 -> 469000 bytes/sec
89 // 6 users -> 4 PRB at Itbs 20 -> 233 -> 233000 bytes/sec
90 // 9 user -> 2 PRB at Itbs 20 -> 113 -> 113000 bytes/sec
91 // 12 users -> 2 PRB at Itbs 20 -> 113 -> 113000 bytes/sec
92 // 15 users -> 2 PRB at Itbs 20 * 0.8 -> 90.4 -> 90400 bytes/sec
93 // UPLINK - DISTANCE 4800 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
94 // 1 user -> 25 PRB at Itbs 13 -> 807 -> 807000 bytes/sec
95 // 3 users -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
96 // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
97 // after the patch enforcing min 3 PRBs per UE:
98 // 9 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/9 UE/TTI -> 82667 bytes/sec
99 // 12 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/12 UE/TTI -> 62000 bytes/sec
100 // 15 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/15 UE/TTI -> 49600 bytes/sec
101 AddTestCase (new LenaRrFfMacSchedulerTestCase (1,4800,1383000,807000,errorModel), TestCase::EXTENSIVE);
102 AddTestCase (new LenaRrFfMacSchedulerTestCase (3,4800,469000,253000,errorModel), TestCase::EXTENSIVE);
103 AddTestCase (new LenaRrFfMacSchedulerTestCase (6,4800,233000,125000,errorModel), TestCase::EXTENSIVE);
104 AddTestCase (new LenaRrFfMacSchedulerTestCase (9,4800,113000,82667,errorModel), TestCase::EXTENSIVE);
105 AddTestCase (new LenaRrFfMacSchedulerTestCase (12,4800,113000,62000,errorModel), TestCase::EXTENSIVE);
106 AddTestCase (new LenaRrFfMacSchedulerTestCase (15,4800,90400,49600,errorModel), TestCase::EXTENSIVE);
107
108 // DOWNLINK - DISTANCE 6000 -> MCS 20 -> Itbs 18 (from table 7.1.7.2.1-1 of 36.213)
109 // 1 user -> 24 PRB at Itbs 15 -> 1191 -> 1191000 bytes/sec
110 // 3 users -> 8 PRB at Itbs 15 -> 389 -> 389000 bytes/sec
111 // 6 users -> 4 PRB at Itbs 15 -> 193 -> 193000 bytes/sec
112 // 9 user -> 2 PRB at Itbs 15 -> 97 -> 97000 bytes/sec
113 // 12 users -> 2 PRB at Itbs 15 -> 97 -> 97000 bytes/sec
114 // 15 users -> 2 PRB at Itbs 15 * 0.8 -> 77.6 -> 77600 bytes/sec
115 // UPLINK - DISTANCE 6000 -> MCS 12 -> Itbs 11 (from table 7.1.7.2.1-1 of 36.213)
116 // 1 user -> 25 PRB at Itbs 11 -> 621 -> 621000 bytes/sec
117 // 3 users -> 8 PRB at Itbs 11 -> 201 -> 201000 bytes/sec
118 // 6 users -> 4 PRB at Itbs 11 -> 97 -> 97000 bytes/sec
119 // 9 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/9 UE/TTI -> 64889 bytes/sec
120 // 12 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/12 UE/TTI -> 48667 bytes/sec
121 // 15 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/15 UE/TTI -> 38993 bytes/sec
122 AddTestCase (new LenaRrFfMacSchedulerTestCase (1,6000,1191000,621000,errorModel), TestCase::EXTENSIVE);
123 AddTestCase (new LenaRrFfMacSchedulerTestCase (3,6000,389000,201000,errorModel), TestCase::EXTENSIVE);
124 AddTestCase (new LenaRrFfMacSchedulerTestCase (6,6000,193000,97000,errorModel), TestCase::EXTENSIVE);
125 AddTestCase (new LenaRrFfMacSchedulerTestCase (9,6000,97000,64889,errorModel), TestCase::EXTENSIVE);
126 AddTestCase (new LenaRrFfMacSchedulerTestCase (12,6000,97000,48667,errorModel), TestCase::EXTENSIVE);
127 AddTestCase (new LenaRrFfMacSchedulerTestCase (15,6000,77600,38993,errorModel), TestCase::EXTENSIVE);
128
129 // DOWNLINK - DISTANCE 20000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
130 // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec
131 // 3 users -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
132 // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
133 // 9 user -> 2 PRB at Itbs 8 -> 32 -> 32000 bytes/sec
134 // 12 users -> 2 PRB at Itbs 8 -> 32 -> 32000 bytes/sec
135 // 15 users -> 2 PRB at Itbs 8 * 0.8 -> 25.6 -> 25600 bytes/sec
136 // UPLINK - DISTANCE 20000 -> MCS 2 -> Itbs 2 (from table 7.1.7.2.1-1 of 36.213)
137 // 1 user -> 25 PRB at Itbs 2 -> 137 -> 137000 bytes/sec
138 // 3 users -> 8 PRB at Itbs 2 -> 41 -> 41000 bytes/sec
139 // 6 users -> 4 PRB at Itbs 2 -> 22 -> 22000 bytes/sec
140 // after the patch enforcing min 3 PRBs per UE:
141 // 9 users -> 3 PRB at Itbs 2 -> 18 bytes * 8/9 UE/TTI -> 16000 bytes/sec
142 // 12 users -> 3 PRB at Itbs 2 -> 18 bytes * 8/12 UE/TTI -> 12000 bytes/sec
143 // 15 users -> 3 PRB at Itbs 2 -> 18 bytes * 8/15 UE/TTI -> 9600 bytes/sec
144 AddTestCase (new LenaRrFfMacSchedulerTestCase (1,20000,421000,137000,errorModel), TestCase::EXTENSIVE);
145 AddTestCase (new LenaRrFfMacSchedulerTestCase (3,20000,137000,41000,errorModel), TestCase::EXTENSIVE);
146 AddTestCase (new LenaRrFfMacSchedulerTestCase (6,20000,67000,22000,errorModel), TestCase::EXTENSIVE);
147 AddTestCase (new LenaRrFfMacSchedulerTestCase (9,20000,32000,16000,errorModel), TestCase::EXTENSIVE);
148 AddTestCase (new LenaRrFfMacSchedulerTestCase (12,20000,32000,12000,errorModel), TestCase::EXTENSIVE);
149 AddTestCase (new LenaRrFfMacSchedulerTestCase (15,20000,25600,9600,errorModel), TestCase::EXTENSIVE);
150
151 // DOWNLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
152 // UPLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
153 AddTestCase (new LenaRrFfMacSchedulerTestCase (1,100000,0,0,errorModel), TestCase::QUICK);
154}
155
157
158std::string
160{
161 std::ostringstream oss;
162 oss << nUser << " UEs, distance " << dist << " m";
163 return oss.str ();
164}
165
166LenaRrFfMacSchedulerTestCase::LenaRrFfMacSchedulerTestCase (uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
167 : TestCase (BuildNameString (nUser, dist)),
168 m_nUser (nUser),
169 m_dist (dist),
170 m_thrRefDl (thrRefDl),
171 m_thrRefUl (thrRefUl),
172 m_errorModelEnabled (errorModelEnabled)
173{
174}
175
177{
178}
179
180void
182{
183 NS_LOG_FUNCTION (this << m_nUser << m_dist);
185 {
186 Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
187 Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
188 }
189 Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (false));
190 Config::SetDefault ("ns3::MacStatsCalculator::DlOutputFilename", StringValue (CreateTempDirFilename ("DlMacStats.txt")));
191 Config::SetDefault ("ns3::MacStatsCalculator::UlOutputFilename", StringValue (CreateTempDirFilename ("UlMacStats.txt")));
192 Config::SetDefault ("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename", StringValue (CreateTempDirFilename ("DlRlcStats.txt")));
193 Config::SetDefault ("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename", StringValue (CreateTempDirFilename ("UlRlcStats.txt")));
194
195 // This is needed as the RR scheduler does not allocate resources properly for retransmission
196 Config::SetDefault ("ns3::LteRlcAm::TxOpportunityForRetxAlwaysBigEnough", BooleanValue (true));
197
198 //Disable Uplink Power Control
199 Config::SetDefault ("ns3::LteUePhy::EnableUplinkPowerControl", BooleanValue (false));
200
205 Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
206
207 lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
208
209 // Create Nodes: eNodeB and UE
210 NodeContainer enbNodes;
211 NodeContainer ueNodes;
212 enbNodes.Create (1);
213 ueNodes.Create (m_nUser);
214
215 // Install Mobility Model
217 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
218 mobility.Install (enbNodes);
219 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
220 mobility.Install (ueNodes);
221
222 // Create Devices and install them in the Nodes (eNB and UE)
223 NetDeviceContainer enbDevs;
224 NetDeviceContainer ueDevs;
225 lteHelper->SetSchedulerType ("ns3::RrFfMacScheduler");
226 lteHelper->SetSchedulerAttribute ("UlCqiFilter", EnumValue (FfMacScheduler::SRS_UL_CQI));
227 enbDevs = lteHelper->InstallEnbDevice (enbNodes);
228 ueDevs = lteHelper->InstallUeDevice (ueNodes);
229
230 // Attach a UE to a eNB
231 lteHelper->Attach (ueDevs, enbDevs.Get (0));
232
233 // Activate an EPS bearer
234 enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
235 EpsBearer bearer (q);
236 lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
237
238
239 Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
240 Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
241 enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
242 enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
243
244 // Set UEs' position and power
245 for (int i = 0; i < m_nUser; i++)
246 {
248 mm->SetPosition (Vector (m_dist, 0.0, 0.0));
249 Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
250 Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
251 uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
252 uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
253 }
254
255
256 double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
257 double statsDuration = 0.4;
258 double tolerance = 0.1;
259 Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.0001));
260
261 lteHelper->EnableRlcTraces ();
262 Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
263 rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
264 rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
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;
274 {
275 m_thrRefDl *= 0.95; // for couting the Vienna AMC behavior: BLER between 0% and 10%
276 }
277 for (int i = 0; i < m_nUser; i++)
278 {
279 // get the imsi
280 uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
281 uint8_t lcId = 3;
282 dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
283 NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " lcid " << (uint16_t) lcId << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_thrRefDl);
284 NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
285 }
286
287 NS_LOG_INFO ("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
288 std::vector <uint64_t> ulDataRxed;
290 {
291 m_thrRefUl *= 0.95; // for couting the Vienna AMC behavior: BLER between 0% and 10%
292 }
293 for (int i = 0; i < m_nUser; i++)
294 {
295 // get the imsi
296 uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
297 // get the lcId
298 uint8_t lcId = 3;
299 ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
300 NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " lcid " << (uint16_t) lcId << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << m_thrRefUl << " txed " << rlcStats->GetUlTxData (imsi, lcId) / statsDuration);
301 NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, m_thrRefUl, m_thrRefUl * tolerance, " Unfair Throughput!");
302 }
303
304 Simulator::Destroy ();
305}
This system test program creates different test cases with a single eNB and This system test program ...
double m_thrRefDl
the DL throughput reference
virtual void DoRun(void)
Implementation to actually run this TestCase.
double m_thrRefUl
the UL throughput reference
bool m_errorModelEnabled
indicates whether the error model is enabled
static std::string BuildNameString(uint16_t nUser, double dist)
Builds the test name string based on provided parameter values.
double m_dist
the distance between nodes
LenaRrFfMacSchedulerTestCase(uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Constructor.
Test suite for RrFfMacScheduler test.
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
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 LenaTestRrFfMacSchedulerSuite lenaTestRrFfMacSchedulerSuite
Every class exported by the ns3 library is enclosed in the ns3 namespace.
mobility
Definition: third.py:107