A Discrete-Event Network Simulator
API
lte-test-fdbet-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-fdbet-ff-mac-scheduler.h"
53 
54 using namespace ns3;
55 
56 NS_LOG_COMPONENT_DEFINE ("LenaTestFdBetFfMacScheduler");
57 
58 LenaTestFdBetFfMacSchedulerSuite::LenaTestFdBetFfMacSchedulerSuite ()
59  : TestSuite ("lte-fdbet-ff-mac-scheduler", SYSTEM)
60 {
61  NS_LOG_INFO ("creating LenaTestFdBetFfMacSchedulerSuite");
62 
63  bool errorModel = false;
64 
65  //Test Case 1: AMC works in FDBET
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 -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
72  // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
73  // 12 users -> 2 PRB at Itbs 26 -> 185 -> 185000 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 LenaFdBetFfMacSchedulerTestCase1 (1,0,2196000,2292000, errorModel), TestCase::EXTENSIVE);
81  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (3,0,749000,749000, errorModel), TestCase::EXTENSIVE);
82  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (6,0,373000,373000, errorModel), TestCase::EXTENSIVE);
83  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (12,0,185000,184670, 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 -> 8 PRB at Itbs 20 -> 469 -> 469000 bytes/sec
88  // 6 users -> 4 PRB at Itbs 20 -> 233 -> 233000 bytes/sec
89  // 12 users -> 2 PRB at Itbs 20 -> 113 -> 113000 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 LenaFdBetFfMacSchedulerTestCase1 (1,4800,1383000,807000, errorModel), TestCase::EXTENSIVE);
97  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (3,4800,469000,253000, errorModel), TestCase::EXTENSIVE);
98  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (6,4800,233500,125000, errorModel), TestCase::EXTENSIVE);
99  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (12,4800,113000,62000, 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 -> 8 PRB at Itbs 18 -> 389 -> 389000 bytes/sec
104  // 6 users -> 4 PRB at Itbs 18 -> 193 -> 193000 bytes/sec
105  // 12 users -> 2 PRB at Itbs 18 -> 97 -> 97000 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 LenaFdBetFfMacSchedulerTestCase1 (1,6000,1191000,621000,errorModel), TestCase::EXTENSIVE);
112  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (3,6000,389000,201000,errorModel), TestCase::EXTENSIVE);
113  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (6,6000,193000,97000,errorModel), TestCase::EXTENSIVE);
114  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (12,6000,97000,48667,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 -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
119  // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
120  // 12 users -> 2 PRB at Itbs 13 -> 61 -> 61000 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 LenaFdBetFfMacSchedulerTestCase1 (1,10000,775000,421000,errorModel), TestCase::EXTENSIVE);
128  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (3,10000,253000,137000,errorModel), TestCase::EXTENSIVE);
129  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (6,10000,125000,67000,errorModel), TestCase::EXTENSIVE);
130  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (12,10000,61000,32667,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 -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
135  // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
136  // 12 users -> 2 PRB at Itbs 8 -> 32 -> 32000 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 LenaFdBetFfMacSchedulerTestCase1 (1,20000,421000,137000,errorModel), TestCase::EXTENSIVE);
144  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (3,20000,137000,41000,errorModel), TestCase::EXTENSIVE);
145  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (6,20000,67000,22000,errorModel), TestCase::EXTENSIVE);
146  AddTestCase (new LenaFdBetFfMacSchedulerTestCase1 (12,20000,32000,12000,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 LenaFdBetFfMacSchedulerTestCase1 (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> estThrFdBetUl;
167  estThrFdBetUl.push_back (469000); // User 0 estimated TTI throughput from FDBET
168  estThrFdBetUl.push_back (157000); // User 1 estimated TTI throughput from FDBET
169  estThrFdBetUl.push_back (125000); // User 2 estimated TTI throughput from FDBET
170  estThrFdBetUl.push_back (85000); // User 3 estimated TTI throughput from FDBET
171  estThrFdBetUl.push_back (26000); // User 4 estimated TTI throughput from FDBET
172  AddTestCase (new LenaFdBetFfMacSchedulerTestCase2 (dist, estAchievableRateDl, estThrFdBetUl, errorModel), TestCase::QUICK);
173 }
174 
175 static LenaTestFdBetFfMacSchedulerSuite lenaTestFdBetFfMacSchedulerSuite;
176 
177 
178 // --------------- T E S T - C A S E # 1 ------------------------------
179 
180 
181 std::string
182 LenaFdBetFfMacSchedulerTestCase1::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 LenaFdBetFfMacSchedulerTestCase1::LenaFdBetFfMacSchedulerTestCase1 (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 LenaFdBetFfMacSchedulerTestCase1::~LenaFdBetFfMacSchedulerTestCase1 ()
200 {
201 }
202 
203 void
204 LenaFdBetFfMacSchedulerTestCase1::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::FdBetFfMacScheduler");
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  Simulator::Run ();
281 
285  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
286  std::vector <uint64_t> dlDataRxed;
287  for (int i = 0; i < m_nUser; i++)
288  {
289  // get the imsi
290  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
291  // get the lcId
292  uint8_t lcId = 3;
293  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
294  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_thrRefDl);
295  }
302  for (int i = 0; i < m_nUser; i++)
303  {
304  NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
305  }
306 
310  NS_LOG_INFO ("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
311  std::vector <uint64_t> ulDataRxed;
312  for (int i = 0; i < m_nUser; i++)
313  {
314  // get the imsi
315  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
316  // get the lcId
317  uint8_t lcId = 3;
318  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
319  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << m_thrRefUl);
320  }
327  for (int i = 0; i < m_nUser; i++)
328  {
329  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, m_thrRefUl, m_thrRefUl * tolerance, " Unfair Throughput!");
330  }
331  Simulator::Destroy ();
332 
333 }
334 
335 
336 
337 // --------------- T E S T - C A S E # 2 ------------------------------
338 
339 
340 std::string
341 LenaFdBetFfMacSchedulerTestCase2::BuildNameString (uint16_t nUser, std::vector<double> dist)
342 {
343  std::ostringstream oss;
344  oss << "distances (m) = [ " ;
345  for (std::vector<double>::iterator it = dist.begin (); it != dist.end (); ++it)
346  {
347  oss << *it << " ";
348  }
349  oss << "]";
350  return oss.str ();
351 }
352 
353 
354 LenaFdBetFfMacSchedulerTestCase2::LenaFdBetFfMacSchedulerTestCase2 (std::vector<double> dist, std::vector<uint32_t> achievableRateDl, std::vector<uint32_t> estThrFdBetUl, bool errorModelEnabled)
355  : TestCase (BuildNameString (dist.size (), dist)),
356  m_nUser (dist.size ()),
357  m_dist (dist),
358  m_achievableRateDl (achievableRateDl),
359  m_estThrFdBetUl (estThrFdBetUl),
360  m_errorModelEnabled (errorModelEnabled)
361 {
362 }
363 
364 LenaFdBetFfMacSchedulerTestCase2::~LenaFdBetFfMacSchedulerTestCase2 ()
365 {
366 }
367 
368 void
369 LenaFdBetFfMacSchedulerTestCase2::DoRun (void)
370 {
371 
372  NS_LOG_FUNCTION (this);
373 
374  if (!m_errorModelEnabled)
375  {
376  Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
377  Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
378  }
379  Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (false));
380 
385  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
386 
387  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
388 
389  // Create Nodes: eNodeB and UE
390  NodeContainer enbNodes;
391  NodeContainer ueNodes;
392  enbNodes.Create (1);
393  ueNodes.Create (m_nUser);
394 
395  // Install Mobility Model
396  MobilityHelper mobility;
397  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
398  mobility.Install (enbNodes);
399  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
400  mobility.Install (ueNodes);
401 
402  // Create Devices and install them in the Nodes (eNB and UE)
403  NetDeviceContainer enbDevs;
404  NetDeviceContainer ueDevs;
405  lteHelper->SetSchedulerType ("ns3::FdBetFfMacScheduler");
406  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
407  ueDevs = lteHelper->InstallUeDevice (ueNodes);
408 
409  // Attach a UE to a eNB
410  lteHelper->Attach (ueDevs, enbDevs.Get (0));
411 
412  // Activate an EPS bearer
413  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
414  EpsBearer bearer (q);
415  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
416 
417  Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
418  Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
419  enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
420  enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
421 
422  // Set UEs' position and power
423  for (int i = 0; i < m_nUser; i++)
424  {
425  Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
426  mm->SetPosition (Vector (m_dist.at (i), 0.0, 0.0));
427  Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
428  Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
429  uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
430  uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
431  }
432 
433 
434  double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
435  double statsDuration = 0.4;
436  double tolerance = 0.1;
437  Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
438 
439  lteHelper->EnableMacTraces ();
440  lteHelper->EnableRlcTraces ();
441  Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
442  rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
443  rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
444 
445  Simulator::Run ();
446 
447  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s)");
448  std::vector <uint64_t> dlDataRxed;
449  double totalData = 0;
450  double estTotalThr = 0;
451  double estUeThr = 0;
452  for (int i = 0; i < m_nUser; i++)
453  {
454  // get the imsi
455  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
456  // get the lcId
457  uint8_t lcId = 3;
458  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
459  totalData += (double)dlDataRxed.at (i);
460  estTotalThr += 1 / m_achievableRateDl.at (i);
461  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);
462  }
463 
464  estTotalThr = m_nUser * (1 / estTotalThr);
465  estUeThr = estTotalThr / m_nUser;
470  for (int i = 0; i < m_nUser; i++)
471  {
472  double thrRatio = (double) 1 / m_nUser;
473  double estThrRatio = (double)dlDataRxed.at (i) / totalData;
474  NS_LOG_INFO ("\tUser " << i << " thrRatio " << thrRatio << " estThrRatio " << estThrRatio);
475  NS_TEST_ASSERT_MSG_EQ_TOL (estThrRatio, thrRatio, tolerance, " Unfair Throughput!");
476  NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, estUeThr, estUeThr * tolerance, " Unfair Throughput!");
477 
478  }
479 
484  NS_LOG_INFO ("UL - Test with " << m_nUser);
485  std::vector <uint64_t> ulDataRxed;
486  for (int i = 0; i < m_nUser; i++)
487  {
488  // get the imsi
489  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
490  // get the lcId
491  uint8_t lcId = 3;
492  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
493  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_estThrFdBetUl.at (i));
494  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, (double)m_estThrFdBetUl.at (i), (double)m_estThrFdBetUl.at (i) * tolerance, " Unfair Throughput!");
495  }
496  Simulator::Destroy ();
497 
498 }
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
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:474
LenaFdBetFfMacSchedulerTestCase2::m_errorModelEnabled
bool m_errorModelEnabled
specifies whether the error model is enabled
Definition: lte-test-fdbet-ff-mac-scheduler.h:114
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
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1342
LenaFdBetFfMacSchedulerTestCase2::LenaFdBetFfMacSchedulerTestCase2
LenaFdBetFfMacSchedulerTestCase2(std::vector< double > dist, std::vector< uint32_t > achievableRateDl, std::vector< uint32_t > estThrFdBetUl, bool errorModelEnabled)
Constructor.
Definition: lte-test-fdbet-ff-mac-scheduler.cc:354
ns3::LteEnbNetDevice::GetPhy
Ptr< LteEnbPhy > GetPhy(void) const
Definition: lte-enb-net-device.cc:194
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:957
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:1431
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
LenaFdBetFfMacSchedulerTestCase1::BuildNameString
static std::string BuildNameString(uint16_t nUser, double dist)
Builds the test name string based on provided parameter values.
Definition: lte-test-fdbet-ff-mac-scheduler.cc:182
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:1310
LenaFdBetFfMacSchedulerTestCase1
This system test program creates different test cases with a single eNB and several UEs...
Definition: lte-test-fdbet-ff-mac-scheduler.h:45
LenaFdBetFfMacSchedulerTestCase1::LenaFdBetFfMacSchedulerTestCase1
LenaFdBetFfMacSchedulerTestCase1(uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Constructor.
Definition: lte-test-fdbet-ff-mac-scheduler.cc:189
ns3::LteHelper::SetSchedulerType
void SetSchedulerType(std::string type)
Set the type of scheduler to be used by eNodeB devices.
Definition: lte-helper.cc:279
LenaFdBetFfMacSchedulerTestCase1::m_dist
double m_dist
distance between the nodes
Definition: lte-test-fdbet-ff-mac-scheduler.h:71
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:1069
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:533
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:41
LenaFdBetFfMacSchedulerTestCase2
Test case is simillar to the one defined in LenaFdBetFfMacSchedulerTestCase1, with the difference tha...
Definition: lte-test-fdbet-ff-mac-scheduler.h:86
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
LenaFdBetFfMacSchedulerTestCase1::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lte-test-fdbet-ff-mac-scheduler.cc:204
lenaTestFdBetFfMacSchedulerSuite
static LenaTestFdBetFfMacSchedulerSuite lenaTestFdBetFfMacSchedulerSuite
Definition: lte-test-fdbet-ff-mac-scheduler.cc:175
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
LenaFdBetFfMacSchedulerTestCase2::m_dist
std::vector< double > m_dist
distance between the nodes
Definition: lte-test-fdbet-ff-mac-scheduler.h:111
ns3::MobilityModel::SetPosition
void SetPosition(const Vector &position)
Definition: mobility-model.cc:75
LenaFdBetFfMacSchedulerTestCase1::m_thrRefDl
double m_thrRefDl
DL throughput reference.
Definition: lte-test-fdbet-ff-mac-scheduler.h:72
ns3::LteHelper::GetRlcStats
Ptr< RadioBearerStatsCalculator > GetRlcStats(void)
Definition: lte-helper.cc:1568
ns3::LteHelper::InstallUeDevice
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:489
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:440
LenaTestFdBetFfMacSchedulerSuite
Test suite for FDBetFfMacScheduler test case.
Definition: lte-test-fdbet-ff-mac-scheduler.h:126
LenaFdBetFfMacSchedulerTestCase1::m_thrRefUl
double m_thrRefUl
UL throughput reference.
Definition: lte-test-fdbet-ff-mac-scheduler.h:73
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
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1007
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:782
LenaFdBetFfMacSchedulerTestCase2::m_achievableRateDl
std::vector< uint32_t > m_achievableRateDl
DL achievable rate.
Definition: lte-test-fdbet-ff-mac-scheduler.h:112
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:1525
ns3::LteUeNetDevice::GetPhy
Ptr< LteUePhy > GetPhy(void) const
Get the Phy.
Definition: lte-ue-net-device.cc:187
LenaFdBetFfMacSchedulerTestCase2::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lte-test-fdbet-ff-mac-scheduler.cc:369
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
LenaFdBetFfMacSchedulerTestCase2::BuildNameString
static std::string BuildNameString(uint16_t nUser, std::vector< double > dist)
Builds the test name string based on provided parameter values.
Definition: lte-test-fdbet-ff-mac-scheduler.cc:341
ns3::EpsBearer::Qci
Qci
QoS Class Indicator.
Definition: eps-bearer.h:77
LenaFdBetFfMacSchedulerTestCase2::m_estThrFdBetUl
std::vector< uint32_t > m_estThrFdBetUl
estimated throughput FDBET UL
Definition: lte-test-fdbet-ff-mac-scheduler.h:113
ns3::LteUeNetDevice
The LteUeNetDevice class implements the UE net device.
Definition: lte-ue-net-device.h:56