A Discrete-Event Network Simulator
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lte-test-tdbet-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 
27 #include <ns3/object.h>
28 #include <ns3/spectrum-interference.h>
29 #include <ns3/spectrum-error-model.h>
30 #include <ns3/log.h>
31 #include <ns3/test.h>
32 #include <ns3/simulator.h>
33 #include <ns3/packet.h>
34 #include <ns3/ptr.h>
35 #include "ns3/radio-bearer-stats-calculator.h"
36 #include <ns3/constant-position-mobility-model.h>
37 #include <ns3/eps-bearer.h>
38 #include <ns3/node-container.h>
39 #include <ns3/mobility-helper.h>
40 #include <ns3/net-device-container.h>
41 #include <ns3/lte-ue-net-device.h>
42 #include <ns3/lte-enb-net-device.h>
43 #include <ns3/lte-ue-rrc.h>
44 #include <ns3/lte-helper.h>
45 #include "ns3/string.h"
46 #include "ns3/double.h"
47 #include <ns3/lte-enb-phy.h>
48 #include <ns3/lte-ue-phy.h>
49 #include <ns3/boolean.h>
50 #include <ns3/enum.h>
51 
52 #include "lte-test-tdbet-ff-mac-scheduler.h"
53 
54 using namespace ns3;
55 
56 NS_LOG_COMPONENT_DEFINE ("LenaTestTdBetFfMacScheduler");
57 
58 LenaTestTdBetFfMacSchedulerSuite::LenaTestTdBetFfMacSchedulerSuite ()
59  : TestSuite ("lte-tdbet-ff-mac-scheduler", SYSTEM)
60 {
61  NS_LOG_INFO ("creating LenaTestTdBetFfMacSchedulerSuite");
62 
63  bool errorModel = false;
64 
65  //Test Case 1: AMC works in TDBET
66 
67  //Note: here the MCS is calculated by the wideband CQI
68 
69  // DOWNLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
70  // 1 user -> 24 PRB at Itbs 26 -> 2196 -> 2196000 bytes/sec
71  // 3 users -> 2196000 among 3 users -> 732000 bytes/sec
72  // 6 users -> 2196000 among 6 users -> 366000 bytes/sec
73  // 12 users -> 2196000 among 12 users -> 183000 bytes/sec
74  // UPLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
75  // 1 user -> 25 PRB at Itbs 26 -> 2292 -> 2292000 bytes/sec
76  // 3 users -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
77  // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
78  // after the patch enforcing min 3 PRBs per UE:
79  // 12 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/12 UE/TTI -> 184670 bytes/sec
80  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,0,2196000,2292000, errorModel), TestCase::EXTENSIVE);
81  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,0,732000,749000, errorModel), TestCase::EXTENSIVE);
82  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,0,366000,373000, errorModel), TestCase::EXTENSIVE);
83  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,0,183000,184670, errorModel), TestCase::EXTENSIVE);
84 
85  // DOWNLINK - DISTANCE 4800 -> MCS 22 -> Itbs 20 (from table 7.1.7.2.1-1 of 36.213)
86  // 1 user -> 24 PRB at Itbs 20 -> 1383 -> 1383000 bytes/sec
87  // 3 users -> 1383000 among 3 users ->461000 bytes/sec
88  // 6 users -> 1383000 among 6 users ->230500 bytes/sec
89  // 12 users -> 1383000 among 12 users ->115250 bytes/sec
90  // UPLINK - DISTANCE 4800 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
91  // 1 user -> 25 PRB at Itbs 13 -> 807 -> 807000 bytes/sec
92  // 3 users -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
93  // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
94  // after the patch enforcing min 3 PRBs per UE:
95  // 12 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/12 UE/TTI -> 62000 bytes/sec
96  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,4800,1383000,807000, errorModel), TestCase::EXTENSIVE);
97  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,4800,461000,253000, errorModel), TestCase::EXTENSIVE);
98  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,4800,230500,125000, errorModel), TestCase::EXTENSIVE);
99  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,4800,115250,62000, errorModel), TestCase::EXTENSIVE);
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
103  // 3 users -> 1191000 among 3 users ->397000 bytes/sec
104  // 6 users -> 1191000 among 6 users ->198500 bytes/sec
105  // 12 users -> 1191000 among 12 users ->99250 bytes/sec
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  // 12 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/12 UE/TTI -> 48667 bytes/sec
111  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,6000,1191000,621000,errorModel), TestCase::EXTENSIVE);
112  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,6000,397000,201000,errorModel), TestCase::EXTENSIVE);
113  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,6000,198500,97000,errorModel), TestCase::EXTENSIVE);
114  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,6000,99250,48667,errorModel), TestCase::EXTENSIVE);
115 
116  // DOWNLINK - DISTANCE 10000 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
117  // 1 user -> 24 PRB at Itbs 13 -> 775 -> 775000 byte/sec
118  // 3 users -> 775000 among 3 users -> 258333 bytes/sec
119  // 6 users -> 775000 among 6 users -> 129166 bytes/sec
120  // 12 users -> 775000 among 12 users ->64583 bytes/sec
121  // UPLINK - DISTANCE 9000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
122  // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec
123  // 3 users -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
124  // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
125  // after the patch enforcing min 3 PRBs per UE:
126  // 12 users -> 3 PRB at Itbs 8 -> 49 bytes * 8/12 UE/TTI -> 32667 bytes/sec
127  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,10000,775000,421000,errorModel), TestCase::EXTENSIVE);
128  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,10000,258333,137000,errorModel), TestCase::EXTENSIVE);
129  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,10000,129166,67000,errorModel), TestCase::EXTENSIVE);
130  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,10000,64583,32667,errorModel), TestCase::EXTENSIVE);
131 
132  // DOWNLINK - DISTANCE 20000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
133  // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec
134  // 3 users -> 421000 among 3 users ->140333 bytes/sec
135  // 6 users -> 421000 among 6 users ->70166 bytes/sec
136  // 12 users -> 421000 among 12 users ->35083 bytes/sec
137  // UPLINK - DISTANCE 20000 -> MCS 2 -> Itbs 2 (from table 7.1.7.2.1-1 of 36.213)
138  // 1 user -> 25 PRB at Itbs 2 -> 137 -> 137000 bytes/sec
139  // 3 users -> 8 PRB at Itbs 2 -> 41 -> 41000 bytes/sec
140  // 6 users -> 4 PRB at Itbs 2 -> 22 -> 22000 bytes/sec
141  // after the patch enforcing min 3 PRBs per UE:
142  // 12 users -> 3 PRB at Itbs 2 -> 18 bytes * 8/12 UE/TTI -> 12000 bytes/sec
143  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,20000,421000,137000,errorModel), TestCase::EXTENSIVE);
144  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,20000,140333,41000,errorModel), TestCase::EXTENSIVE);
145  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,20000,70166,22000,errorModel), TestCase::EXTENSIVE);
146  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,20000,35083,12000,errorModel), TestCase::EXTENSIVE);
147 
148  // Test Case 2: fairness check
149 
150  std::vector<uint16_t> dist;
151  dist.push_back (0); // User 0 distance --> MCS 28
152  dist.push_back (4800); // User 1 distance --> MCS 22
153  dist.push_back (6000); // User 2 distance --> MCS 14
154  dist.push_back (10000); // User 3 distance --> MCS 8
155  dist.push_back (20000); // User 4 distance --> MCS 8
156  std::vector<uint32_t> estAchievableRateDl;
157  estAchievableRateDl.push_back (2196000);
158  estAchievableRateDl.push_back (1383000);
159  estAchievableRateDl.push_back (775000);
160  estAchievableRateDl.push_back (421000);
161  estAchievableRateDl.push_back (421000);
162  std::vector<uint32_t> estThrTdBetUl;
163  estThrTdBetUl.push_back (469000); // User 0 estimated TTI throughput from TDBET
164  estThrTdBetUl.push_back (157000); // User 1 estimated TTI throughput from TDBET
165  estThrTdBetUl.push_back (125000); // User 2 estimated TTI throughput from TDBET
166  estThrTdBetUl.push_back (85000); // User 3 estimated TTI throughput from TDBET
167  estThrTdBetUl.push_back (26000); // User 4 estimated TTI throughput from TDBET
168  AddTestCase (new LenaTdBetFfMacSchedulerTestCase2 (dist, estAchievableRateDl, estThrTdBetUl, errorModel), TestCase::QUICK);
169 }
170 
171 static LenaTestTdBetFfMacSchedulerSuite lenaTestTdBetFfMacSchedulerSuite;
172 
173 
174 // --------------- T E S T - C A S E # 1 ------------------------------
175 
176 
177 std::string
178 LenaTdBetFfMacSchedulerTestCase1::BuildNameString (uint16_t nUser, uint16_t dist)
179 {
180  std::ostringstream oss;
181  oss << nUser << " UEs, distance " << dist << " m";
182  return oss.str ();
183 }
184 
185 LenaTdBetFfMacSchedulerTestCase1::LenaTdBetFfMacSchedulerTestCase1 (uint16_t nUser, uint16_t dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
186  : TestCase (BuildNameString (nUser, dist)),
187  m_nUser (nUser),
188  m_dist (dist),
189  m_thrRefDl (thrRefDl),
190  m_thrRefUl (thrRefUl),
191  m_errorModelEnabled (errorModelEnabled)
192 {
193 }
194 
195 LenaTdBetFfMacSchedulerTestCase1::~LenaTdBetFfMacSchedulerTestCase1 ()
196 {
197 }
198 
199 void
200 LenaTdBetFfMacSchedulerTestCase1::DoRun (void)
201 {
202  if (!m_errorModelEnabled)
203  {
204  Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
205  Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
206  }
207 
208  Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (true));
209 
210  //Disable Uplink Power Control
211  Config::SetDefault ("ns3::LteUePhy::EnableUplinkPowerControl", BooleanValue (false));
212 
217  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
218 
219  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
220 
221  // Create Nodes: eNodeB and UE
222  NodeContainer enbNodes;
223  NodeContainer ueNodes;
224  enbNodes.Create (1);
225  ueNodes.Create (m_nUser);
226 
227  // Install Mobility Model
228  MobilityHelper mobility;
229  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
230  mobility.Install (enbNodes);
231  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
232  mobility.Install (ueNodes);
233 
234  // Create Devices and install them in the Nodes (eNB and UE)
235  NetDeviceContainer enbDevs;
236  NetDeviceContainer ueDevs;
237  lteHelper->SetSchedulerType ("ns3::TdBetFfMacScheduler");
238  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
239  ueDevs = lteHelper->InstallUeDevice (ueNodes);
240 
241  // Attach a UE to a eNB
242  lteHelper->Attach (ueDevs, enbDevs.Get (0));
243 
244  // Activate an EPS bearer
245  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
246  EpsBearer bearer (q);
247  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
248 
249  Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
250  Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
251  enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
252  enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
253 
254  // Set UEs' position and power
255  for (int i = 0; i < m_nUser; i++)
256  {
257  Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
258  mm->SetPosition (Vector (m_dist, 0.0, 0.0));
259  Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
260  Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
261  uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
262  uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
263  }
264 
265  double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
266  double statsDuration = 0.6;
267  double tolerance = 0.1;
268  Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
269 
270  lteHelper->EnableMacTraces ();
271  lteHelper->EnableRlcTraces ();
272  Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
273  rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
274  rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
275 
276  NS_LOG_DEBUG ("Start ");
277 
278  Simulator::Run ();
279 
283  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
284  std::vector <uint64_t> dlDataRxed;
285  for (int i = 0; i < m_nUser; i++)
286  {
287  // get the imsi
288  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
289  // get the lcId
290  uint8_t lcId = 3;
291  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
292  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_thrRefDl);
293  }
300  for (int i = 0; i < m_nUser; i++)
301  {
302  NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
303  }
304 
308  NS_LOG_INFO ("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
309  std::vector <uint64_t> ulDataRxed;
310  for (int i = 0; i < m_nUser; i++)
311  {
312  // get the imsi
313  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
314  // get the lcId
315  uint8_t lcId = 3;
316  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
317  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << m_thrRefUl);
318  }
325  for (int i = 0; i < m_nUser; i++)
326  {
327  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, m_thrRefUl, m_thrRefUl * tolerance, " Unfair Throughput!");
328  }
329  Simulator::Destroy ();
330 
331 }
332 
333 
334 
335 // --------------- T E S T - C A S E # 2 ------------------------------
336 
337 
338 std::string
339 LenaTdBetFfMacSchedulerTestCase2::BuildNameString (uint16_t nUser, std::vector<uint16_t> dist)
340 {
341  std::ostringstream oss;
342  oss << "distances (m) = [ " ;
343  for (std::vector<uint16_t>::iterator it = dist.begin (); it != dist.end (); ++it)
344  {
345  oss << *it << " ";
346  }
347  oss << "]";
348  return oss.str ();
349 }
350 
351 
352 LenaTdBetFfMacSchedulerTestCase2::LenaTdBetFfMacSchedulerTestCase2 (std::vector<uint16_t> dist, std::vector<uint32_t> estAchievableRateDl, std::vector<uint32_t> estThrTdBetUl, bool errorModelEnabled)
353  : TestCase (BuildNameString (dist.size (), dist)),
354  m_nUser (dist.size ()),
355  m_dist (dist),
356  m_achievableRateDl (estAchievableRateDl),
357  m_estThrTdBetUl (estThrTdBetUl),
358  m_errorModelEnabled (errorModelEnabled)
359 {
360 }
361 
362 LenaTdBetFfMacSchedulerTestCase2::~LenaTdBetFfMacSchedulerTestCase2 ()
363 {
364 }
365 
366 void
367 LenaTdBetFfMacSchedulerTestCase2::DoRun (void)
368 {
369 
370  NS_LOG_FUNCTION (this);
371 
372  if (!m_errorModelEnabled)
373  {
374  Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
375  Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
376  }
377  Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (false));
378 
383  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
384 
385  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
386 
387  // Create Nodes: eNodeB and UE
388  NodeContainer enbNodes;
389  NodeContainer ueNodes;
390  enbNodes.Create (1);
391  ueNodes.Create (m_nUser);
392 
393  // Install Mobility Model
394  MobilityHelper mobility;
395  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
396  mobility.Install (enbNodes);
397  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
398  mobility.Install (ueNodes);
399 
400  // Create Devices and install them in the Nodes (eNB and UE)
401  NetDeviceContainer enbDevs;
402  NetDeviceContainer ueDevs;
403  lteHelper->SetSchedulerType ("ns3::TdBetFfMacScheduler");
404  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
405  ueDevs = lteHelper->InstallUeDevice (ueNodes);
406 
407  // Attach a UE to a eNB
408  lteHelper->Attach (ueDevs, enbDevs.Get (0));
409 
410  // Activate an EPS bearer
411  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
412  EpsBearer bearer (q);
413  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
414 
415  Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
416  Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
417  enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
418  enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
419 
420  // Set UEs' position and power
421  for (int i = 0; i < m_nUser; i++)
422  {
423  Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
424  mm->SetPosition (Vector (m_dist.at (i), 0.0, 0.0));
425  Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
426  Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
427  uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
428  uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
429  }
430 
431 
432  double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
433  double statsDuration = 0.4;
434  double tolerance = 0.1;
435  Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
436 
437  lteHelper->EnableMacTraces ();
438  lteHelper->EnableRlcTraces ();
439  Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
440  rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
441  rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
442 
443  Simulator::Run ();
444 
445  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s)");
446  std::vector <uint64_t> dlDataRxed;
447  double totalData = 0;
448  double estTotalThr = 0;
449  double estUeThr = 0;
450  for (int i = 0; i < m_nUser; i++)
451  {
452  // get the imsi
453  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
454  // get the lcId
455  uint8_t lcId = 3;
456  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
457  totalData += (double)dlDataRxed.at (i);
458  estTotalThr += 1 / m_achievableRateDl.at (i);
459  NS_LOG_INFO ("\tUser " << i << " dist " << m_dist.at (i) << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_nUser);
460  }
461 
462  estTotalThr = m_nUser * (1 / estTotalThr);
463  estUeThr = estTotalThr / m_nUser;
468  for (int i = 0; i < m_nUser; i++)
469  {
470  double thrRatio = (double) 1 / m_nUser;
471  double estThrRatio = (double)dlDataRxed.at (i) / totalData;
472  NS_LOG_INFO ("\tUser " << i << " thrRatio " << thrRatio << " estThrRatio " << estThrRatio);
473  NS_TEST_ASSERT_MSG_EQ_TOL (estThrRatio, thrRatio, tolerance, " Unfair Throughput!");
474  NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, estUeThr, estUeThr * tolerance, " Unfair Throughput!");
475 
476  }
477 
482  NS_LOG_INFO ("UL - Test with " << m_nUser);
483  std::vector <uint64_t> ulDataRxed;
484  for (int i = 0; i < m_nUser; i++)
485  {
486  // get the imsi
487  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
488  // get the lcId
489  uint8_t lcId = 3;
490  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
491  NS_LOG_INFO ("\tUser " << i << " dist " << m_dist.at (i) << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << (double)m_estThrTdBetUl.at (i));
492  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, (double)m_estThrTdBetUl.at (i), (double)m_estThrTdBetUl.at (i) * tolerance, " Unfair Throughput!");
493  }
494  Simulator::Destroy ();
495 
496 }
NS_LOG_FUNCTION
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
Definition: log-macros-enabled.h:213
lenaTestTdBetFfMacSchedulerSuite
static LenaTestTdBetFfMacSchedulerSuite lenaTestTdBetFfMacSchedulerSuite
Definition: lte-test-tdbet-ff-mac-scheduler.cc:171
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:34
ns3::LteHelper::InstallEnbDevice
NetDeviceContainer InstallEnbDevice(NodeContainer c)
Create a set of eNodeB devices.
Definition: lte-helper.cc:382
ns3::StringValue
Hold variables of type string.
Definition: string.h:41
ns3::NetDeviceContainer::Get
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Definition: net-device-container.cc:62
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1276
ns3::LteEnbNetDevice::GetPhy
Ptr< LteEnbPhy > GetPhy(void) const
Definition: lte-enb-net-device.cc:197
ns3::ConstantPositionMobilityModel
Mobility model for which the current position does not change once it has been set and until it is se...
Definition: constant-position-mobility-model.h:32
ns3::LteHelper::Attach
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:716
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:201
ns3::LteHelper::EnableRlcTraces
void EnableRlcTraces(void)
Enable trace sinks for RLC layer.
Definition: lte-helper.cc:1102
NS_LOG_INFO
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:244
ns3::TestCase
encapsulates test code
Definition: test.h:1108
ns3::LteHelper::ActivateDataRadioBearer
void ActivateDataRadioBearer(NetDeviceContainer ueDevices, EpsBearer bearer)
Activate a Data Radio Bearer on a given UE devices (for LTE-only simulation).
Definition: lte-helper.cc:1046
ns3::LteHelper::SetSchedulerType
void SetSchedulerType(std::string type)
Set the type of scheduler to be used by eNodeB devices.
Definition: lte-helper.cc:225
LenaTdBetFfMacSchedulerTestCase2::BuildNameString
static std::string BuildNameString(uint16_t nUser, std::vector< uint16_t > dist)
Definition: lte-test-tdbet-ff-mac-scheduler.cc:339
ns3::EpsBearer
This class contains the specification of EPS Bearers.
Definition: eps-bearer.h:71
ns3::MobilityHelper::Install
void Install(Ptr< Node > node) const
"Layout" a single node according to the current position allocator type.
Definition: mobility-helper.cc:130
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, enum TestDuration duration)
Add an individual child TestCase to this test suite.
Definition: test.cc:190
ns3::TimeValue
AttributeValue implementation for Time.
Definition: nstime.h:928
ns3::RadioBearerStatsCalculator::GetDlRxData
uint64_t GetDlRxData(uint64_t imsi, uint8_t lcid)
Gets the number of received downlink data bytes.
Definition: radio-bearer-stats-calculator.cc:518
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:41
LenaTdBetFfMacSchedulerTestCase2::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:367
NS_TEST_ASSERT_MSG_EQ_TOL
#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:362
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:38
ns3::MobilityHelper::SetMobilityModel
void SetMobilityModel(std::string type, std::string n1="", const AttributeValue &v1=EmptyAttributeValue(), std::string n2="", const AttributeValue &v2=EmptyAttributeValue(), std::string n3="", const AttributeValue &v3=EmptyAttributeValue(), std::string n4="", const AttributeValue &v4=EmptyAttributeValue(), std::string n5="", const AttributeValue &v5=EmptyAttributeValue(), std::string n6="", const AttributeValue &v6=EmptyAttributeValue(), std::string n7="", const AttributeValue &v7=EmptyAttributeValue(), std::string n8="", const AttributeValue &v8=EmptyAttributeValue(), std::string n9="", const AttributeValue &v9=EmptyAttributeValue())
Definition: mobility-helper.cc:79
LenaTdBetFfMacSchedulerTestCase1::LenaTdBetFfMacSchedulerTestCase1
LenaTdBetFfMacSchedulerTestCase1(uint16_t nUser, uint16_t dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Definition: lte-test-tdbet-ff-mac-scheduler.cc:185
ns3::MobilityModel::SetPosition
void SetPosition(const Vector &position)
Definition: mobility-model.cc:75
ns3::LteHelper::GetRlcStats
Ptr< RadioBearerStatsCalculator > GetRlcStats(void)
Definition: lte-helper.cc:1233
ns3::LteHelper::InstallUeDevice
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:397
ns3::MobilityHelper
Helper class used to assign positions and mobility models to nodes.
Definition: mobility-helper.h:42
ns3::RadioBearerStatsCalculator::GetUlRxData
uint64_t GetUlRxData(uint64_t imsi, uint8_t lcid)
Gets the number of received uplink data bytes.
Definition: radio-bearer-stats-calculator.cc:425
LenaTdBetFfMacSchedulerTestCase1
This system test program creates different test cases with a single eNB and several UEs...
Definition: lte-test-tdbet-ff-mac-scheduler.h:42
LenaTdBetFfMacSchedulerTestCase2::LenaTdBetFfMacSchedulerTestCase2
LenaTdBetFfMacSchedulerTestCase2(std::vector< uint16_t > dist, std::vector< uint32_t > m_achievableRateDl, std::vector< uint32_t > estThrTdBetUl, bool m_errorModelEnabled)
Definition: lte-test-tdbet-ff-mac-scheduler.cc:352
LenaTdBetFfMacSchedulerTestCase1::BuildNameString
static std::string BuildNameString(uint16_t nUser, uint16_t dist)
Definition: lte-test-tdbet-ff-mac-scheduler.cc:178
LenaTdBetFfMacSchedulerTestCase1::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:200
ns3::NodeContainer::Get
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Definition: node-container.cc:88
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:236
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:866
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:683
ns3::NodeContainer::Create
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Definition: node-container.cc:93
ns3::LteHelper::EnableMacTraces
void EnableMacTraces(void)
Enable trace sinks for MAC layer.
Definition: lte-helper.cc:1190
ns3::LteUeNetDevice::GetPhy
Ptr< LteUePhy > GetPhy(void) const
Definition: lte-ue-net-device.cc:176
ns3::DoubleValue
This class can be used to hold variables of floating point type such as 'double' or 'float'...
Definition: double.h:41
ns3::ObjectBase::SetAttribute
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:190
ns3::LteEnbNetDevice
The eNodeB device implementation.
Definition: lte-enb-net-device.h:52
ns3::Object::GetObject
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:455
ns3::EpsBearer::Qci
Qci
QoS Class Indicator.
Definition: eps-bearer.h:77
ns3::LteUeNetDevice
The LteUeNetDevice class implements the UE net device.
Definition: lte-ue-net-device.h:51