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  // DOWNLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
149  // UPLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
150  AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,100000,0,0,errorModel), TestCase::QUICK);
151 
152  // Test Case 2: fairness check
153 
154  std::vector<double> dist;
155  dist.push_back (0); // User 0 distance --> MCS 28
156  dist.push_back (4800); // User 1 distance --> MCS 22
157  dist.push_back (6000); // User 2 distance --> MCS 14
158  dist.push_back (10000); // User 3 distance --> MCS 8
159  dist.push_back (20000); // User 4 distance --> MCS 8
160  std::vector<uint32_t> estAchievableRateDl;
161  estAchievableRateDl.push_back (2196000);
162  estAchievableRateDl.push_back (1383000);
163  estAchievableRateDl.push_back (775000);
164  estAchievableRateDl.push_back (421000);
165  estAchievableRateDl.push_back (421000);
166  std::vector<uint32_t> estThrTdBetUl;
167  estThrTdBetUl.push_back (469000); // User 0 estimated TTI throughput from TDBET
168  estThrTdBetUl.push_back (157000); // User 1 estimated TTI throughput from TDBET
169  estThrTdBetUl.push_back (125000); // User 2 estimated TTI throughput from TDBET
170  estThrTdBetUl.push_back (85000); // User 3 estimated TTI throughput from TDBET
171  estThrTdBetUl.push_back (26000); // User 4 estimated TTI throughput from TDBET
172  AddTestCase (new LenaTdBetFfMacSchedulerTestCase2 (dist, estAchievableRateDl, estThrTdBetUl, errorModel), TestCase::QUICK);
173 }
174 
175 static LenaTestTdBetFfMacSchedulerSuite lenaTestTdBetFfMacSchedulerSuite;
176 
177 
178 // --------------- T E S T - C A S E # 1 ------------------------------
179 
180 
181 std::string
182 LenaTdBetFfMacSchedulerTestCase1::BuildNameString (uint16_t nUser, double dist)
183 {
184  std::ostringstream oss;
185  oss << nUser << " UEs, distance " << dist << " m";
186  return oss.str ();
187 }
188 
189 LenaTdBetFfMacSchedulerTestCase1::LenaTdBetFfMacSchedulerTestCase1 (uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
190  : TestCase (BuildNameString (nUser, dist)),
191  m_nUser (nUser),
192  m_dist (dist),
193  m_thrRefDl (thrRefDl),
194  m_thrRefUl (thrRefUl),
195  m_errorModelEnabled (errorModelEnabled)
196 {
197 }
198 
199 LenaTdBetFfMacSchedulerTestCase1::~LenaTdBetFfMacSchedulerTestCase1 ()
200 {
201 }
202 
203 void
204 LenaTdBetFfMacSchedulerTestCase1::DoRun (void)
205 {
206  if (!m_errorModelEnabled)
207  {
208  Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
209  Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
210  }
211 
212  Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (true));
213 
214  //Disable Uplink Power Control
215  Config::SetDefault ("ns3::LteUePhy::EnableUplinkPowerControl", BooleanValue (false));
216 
221  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
222 
223  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
224 
225  // Create Nodes: eNodeB and UE
226  NodeContainer enbNodes;
227  NodeContainer ueNodes;
228  enbNodes.Create (1);
229  ueNodes.Create (m_nUser);
230 
231  // Install Mobility Model
232  MobilityHelper mobility;
233  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
234  mobility.Install (enbNodes);
235  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
236  mobility.Install (ueNodes);
237 
238  // Create Devices and install them in the Nodes (eNB and UE)
239  NetDeviceContainer enbDevs;
240  NetDeviceContainer ueDevs;
241  lteHelper->SetSchedulerType ("ns3::TdBetFfMacScheduler");
242  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
243  ueDevs = lteHelper->InstallUeDevice (ueNodes);
244 
245  // Attach a UE to a eNB
246  lteHelper->Attach (ueDevs, enbDevs.Get (0));
247 
248  // Activate an EPS bearer
249  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
250  EpsBearer bearer (q);
251  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
252 
253  Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
254  Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
255  enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
256  enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
257 
258  // Set UEs' position and power
259  for (int i = 0; i < m_nUser; i++)
260  {
261  Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
262  mm->SetPosition (Vector (m_dist, 0.0, 0.0));
263  Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
264  Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
265  uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
266  uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
267  }
268 
269  double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
270  double statsDuration = 0.6;
271  double tolerance = 0.1;
272  Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
273 
274  lteHelper->EnableMacTraces ();
275  lteHelper->EnableRlcTraces ();
276  Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
277  rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
278  rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
279 
280  NS_LOG_DEBUG ("Start ");
281 
282  Simulator::Run ();
283 
287  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
288  std::vector <uint64_t> dlDataRxed;
289  for (int i = 0; i < m_nUser; i++)
290  {
291  // get the imsi
292  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
293  // get the lcId
294  uint8_t lcId = 3;
295  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
296  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_thrRefDl);
297  }
304  for (int i = 0; i < m_nUser; i++)
305  {
306  NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
307  }
308 
312  NS_LOG_INFO ("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
313  std::vector <uint64_t> ulDataRxed;
314  for (int i = 0; i < m_nUser; i++)
315  {
316  // get the imsi
317  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
318  // get the lcId
319  uint8_t lcId = 3;
320  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
321  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << m_thrRefUl);
322  }
329  for (int i = 0; i < m_nUser; i++)
330  {
331  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, m_thrRefUl, m_thrRefUl * tolerance, " Unfair Throughput!");
332  }
333  Simulator::Destroy ();
334 
335 }
336 
337 
338 
339 // --------------- T E S T - C A S E # 2 ------------------------------
340 
341 
342 std::string
343 LenaTdBetFfMacSchedulerTestCase2::BuildNameString (uint16_t nUser, std::vector<double> dist)
344 {
345  std::ostringstream oss;
346  oss << "distances (m) = [ " ;
347  for (std::vector<double>::iterator it = dist.begin (); it != dist.end (); ++it)
348  {
349  oss << *it << " ";
350  }
351  oss << "]";
352  return oss.str ();
353 }
354 
355 
356 LenaTdBetFfMacSchedulerTestCase2::LenaTdBetFfMacSchedulerTestCase2 (std::vector<double> dist, std::vector<uint32_t> estAchievableRateDl, std::vector<uint32_t> estThrTdBetUl, bool errorModelEnabled)
357  : TestCase (BuildNameString (dist.size (), dist)),
358  m_nUser (dist.size ()),
359  m_dist (dist),
360  m_achievableRateDl (estAchievableRateDl),
361  m_estThrTdBetUl (estThrTdBetUl),
362  m_errorModelEnabled (errorModelEnabled)
363 {
364 }
365 
366 LenaTdBetFfMacSchedulerTestCase2::~LenaTdBetFfMacSchedulerTestCase2 ()
367 {
368 }
369 
370 void
371 LenaTdBetFfMacSchedulerTestCase2::DoRun (void)
372 {
373 
374  NS_LOG_FUNCTION (this);
375 
376  if (!m_errorModelEnabled)
377  {
378  Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
379  Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
380  }
381  Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (false));
382 
387  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
388 
389  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
390 
391  // Create Nodes: eNodeB and UE
392  NodeContainer enbNodes;
393  NodeContainer ueNodes;
394  enbNodes.Create (1);
395  ueNodes.Create (m_nUser);
396 
397  // Install Mobility Model
398  MobilityHelper mobility;
399  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
400  mobility.Install (enbNodes);
401  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
402  mobility.Install (ueNodes);
403 
404  // Create Devices and install them in the Nodes (eNB and UE)
405  NetDeviceContainer enbDevs;
406  NetDeviceContainer ueDevs;
407  lteHelper->SetSchedulerType ("ns3::TdBetFfMacScheduler");
408  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
409  ueDevs = lteHelper->InstallUeDevice (ueNodes);
410 
411  // Attach a UE to a eNB
412  lteHelper->Attach (ueDevs, enbDevs.Get (0));
413 
414  // Activate an EPS bearer
415  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
416  EpsBearer bearer (q);
417  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
418 
419  Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
420  Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
421  enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
422  enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
423 
424  // Set UEs' position and power
425  for (int i = 0; i < m_nUser; i++)
426  {
427  Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
428  mm->SetPosition (Vector (m_dist.at (i), 0.0, 0.0));
429  Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
430  Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
431  uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
432  uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
433  }
434 
435 
436  double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
437  double statsDuration = 0.4;
438  double tolerance = 0.1;
439  Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
440 
441  lteHelper->EnableMacTraces ();
442  lteHelper->EnableRlcTraces ();
443  Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
444  rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
445  rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
446 
447  Simulator::Run ();
448 
449  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s)");
450  std::vector <uint64_t> dlDataRxed;
451  double totalData = 0;
452  double estTotalThr = 0;
453  double estUeThr = 0;
454  for (int i = 0; i < m_nUser; i++)
455  {
456  // get the imsi
457  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
458  // get the lcId
459  uint8_t lcId = 3;
460  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
461  totalData += (double)dlDataRxed.at (i);
462  estTotalThr += 1 / m_achievableRateDl.at (i);
463  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);
464  }
465 
466  estTotalThr = m_nUser * (1 / estTotalThr);
467  estUeThr = estTotalThr / m_nUser;
472  for (int i = 0; i < m_nUser; i++)
473  {
474  double thrRatio = (double) 1 / m_nUser;
475  double estThrRatio = (double)dlDataRxed.at (i) / totalData;
476  NS_LOG_INFO ("\tUser " << i << " thrRatio " << thrRatio << " estThrRatio " << estThrRatio);
477  NS_TEST_ASSERT_MSG_EQ_TOL (estThrRatio, thrRatio, tolerance, " Unfair Throughput!");
478  NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, estUeThr, estUeThr * tolerance, " Unfair Throughput!");
479 
480  }
481 
486  NS_LOG_INFO ("UL - Test with " << m_nUser);
487  std::vector <uint64_t> ulDataRxed;
488  for (int i = 0; i < m_nUser; i++)
489  {
490  // get the imsi
491  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
492  // get the lcId
493  uint8_t lcId = 3;
494  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
495  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));
496  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, (double)m_estThrTdBetUl.at (i), (double)m_estThrTdBetUl.at (i) * tolerance, " Unfair Throughput!");
497  }
498  Simulator::Destroy ();
499 
500 }
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:175
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:36
ns3::LteHelper::InstallEnbDevice
NetDeviceContainer InstallEnbDevice(NodeContainer c)
Create a set of eNodeB devices.
Definition: lte-helper.cc:484
LenaTdBetFfMacSchedulerTestCase2::m_achievableRateDl
std::vector< uint32_t > m_achievableRateDl
DL achievable rate.
Definition: lte-test-tdbet-ff-mac-scheduler.h:108
LenaTdBetFfMacSchedulerTestCase1::BuildNameString
static std::string BuildNameString(uint16_t nUser, double dist)
Builds the test name string based on provided parameter values.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:182
ns3::Object::GetObject
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:459
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
LenaTdBetFfMacSchedulerTestCase1::m_thrRefUl
double m_thrRefUl
the UL throughput reference
Definition: lte-test-tdbet-ff-mac-scheduler.h:72
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1342
ns3::LteEnbNetDevice::GetPhy
Ptr< LteEnbPhy > GetPhy(void) const
Definition: lte-enb-net-device.cc:193
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:943
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:1350
NS_LOG_INFO
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:277
ns3::TestCase
encapsulates test code
Definition: test.h:1155
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:1294
ns3::LteHelper::SetSchedulerType
void SetSchedulerType(std::string type)
Set the type of scheduler to be used by eNodeB devices.
Definition: lte-helper.cc:282
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
third.mobility
tuple mobility
Definition: third.py:101
ns3::TimeValue
AttributeValue implementation for Time.
Definition: nstime.h:1055
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
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:371
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:380
LenaTdBetFfMacSchedulerTestCase1::m_errorModelEnabled
bool m_errorModelEnabled
indicates whether the error model is enabled
Definition: lte-test-tdbet-ff-mac-scheduler.h:73
LenaTdBetFfMacSchedulerTestCase2::LenaTdBetFfMacSchedulerTestCase2
LenaTdBetFfMacSchedulerTestCase2(std::vector< double > dist, std::vector< uint32_t > achievableRateDl, std::vector< uint32_t > estThrTdBetUl, bool errorModelEnabled)
Constructor.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:356
LenaTdBetFfMacSchedulerTestCase1::LenaTdBetFfMacSchedulerTestCase1
LenaTdBetFfMacSchedulerTestCase1(uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Constructor.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:189
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
LenaTestTdBetFfMacSchedulerSuite
Test suite for TdBetFfMacScheduler tests.
Definition: lte-test-tdbet-ff-mac-scheduler.h:121
ns3::MobilityModel::SetPosition
void SetPosition(const Vector &position)
Definition: mobility-model.cc:75
LenaTdBetFfMacSchedulerTestCase2::m_estThrTdBetUl
std::vector< uint32_t > m_estThrTdBetUl
etimated TDBET UL throughput
Definition: lte-test-tdbet-ff-mac-scheduler.h:109
LenaTdBetFfMacSchedulerTestCase2::BuildNameString
static std::string BuildNameString(uint16_t nUser, std::vector< double > dist)
Build name string.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:343
LenaTdBetFfMacSchedulerTestCase1::m_thrRefDl
double m_thrRefDl
the DL throughput reference
Definition: lte-test-tdbet-ff-mac-scheduler.h:71
ns3::LteHelper::GetRlcStats
Ptr< RadioBearerStatsCalculator > GetRlcStats(void)
Definition: lte-helper.cc:1487
ns3::LteHelper::InstallUeDevice
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:499
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:45
LenaTdBetFfMacSchedulerTestCase1::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:204
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
LenaTdBetFfMacSchedulerTestCase2::m_errorModelEnabled
bool m_errorModelEnabled
indicates whether the error model is enabled
Definition: lte-test-tdbet-ff-mac-scheduler.h:110
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:269
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:993
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:782
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:1444
ns3::LteUeNetDevice::GetPhy
Ptr< LteUePhy > GetPhy(void) const
Get the Phy.
Definition: lte-ue-net-device.cc:184
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:185
ns3::LteEnbNetDevice
The eNodeB device implementation.
Definition: lte-enb-net-device.h:56
LenaTdBetFfMacSchedulerTestCase2
Lena TdBet Ff Mac Scheduler Test Case.
Definition: lte-test-tdbet-ff-mac-scheduler.h:83
ns3::EpsBearer::Qci
Qci
QoS Class Indicator.
Definition: eps-bearer.h:77
LenaTdBetFfMacSchedulerTestCase1::m_dist
double m_dist
the distance between UE nodes and eNodeB
Definition: lte-test-tdbet-ff-mac-scheduler.h:70
LenaTdBetFfMacSchedulerTestCase2::m_dist
std::vector< double > m_dist
the distance between nodes
Definition: lte-test-tdbet-ff-mac-scheduler.h:107
ns3::LteUeNetDevice
The LteUeNetDevice class implements the UE net device.
Definition: lte-ue-net-device.h:57