A Discrete-Event Network Simulator
API
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/ff-mac-scheduler.h>
38#include <ns3/eps-bearer.h>
39#include <ns3/node-container.h>
40#include <ns3/mobility-helper.h>
41#include <ns3/net-device-container.h>
42#include <ns3/lte-ue-net-device.h>
43#include <ns3/lte-enb-net-device.h>
44#include <ns3/lte-ue-rrc.h>
45#include <ns3/lte-helper.h>
46#include "ns3/string.h"
47#include "ns3/double.h"
48#include <ns3/lte-enb-phy.h>
49#include <ns3/lte-ue-phy.h>
50#include <ns3/boolean.h>
51#include <ns3/enum.h>
52
53#include "lte-test-tdbet-ff-mac-scheduler.h"
54
55using namespace ns3;
56
57NS_LOG_COMPONENT_DEFINE ("LenaTestTdBetFfMacScheduler");
58
59LenaTestTdBetFfMacSchedulerSuite::LenaTestTdBetFfMacSchedulerSuite ()
60 : TestSuite ("lte-tdbet-ff-mac-scheduler", SYSTEM)
61{
62 NS_LOG_INFO ("creating LenaTestTdBetFfMacSchedulerSuite");
63
64 bool errorModel = false;
65
66 //Test Case 1: AMC works in TDBET
67
68 //Note: here the MCS is calculated by the wideband CQI
69
70 // DOWNLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
71 // 1 user -> 24 PRB at Itbs 26 -> 2196 -> 2196000 bytes/sec
72 // 3 users -> 2196000 among 3 users -> 732000 bytes/sec
73 // 6 users -> 2196000 among 6 users -> 366000 bytes/sec
74 // 12 users -> 2196000 among 12 users -> 183000 bytes/sec
75 // UPLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
76 // 1 user -> 25 PRB at Itbs 26 -> 2292 -> 2292000 bytes/sec
77 // 3 users -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
78 // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
79 // after the patch enforcing min 3 PRBs per UE:
80 // 12 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/12 UE/TTI -> 184670 bytes/sec
81 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,0,2196000,2292000, errorModel), TestCase::EXTENSIVE);
82 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,0,732000,749000, errorModel), TestCase::EXTENSIVE);
83 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,0,366000,373000, errorModel), TestCase::EXTENSIVE);
84 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,0,183000,184670, 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 -> 1383000 among 3 users ->461000 bytes/sec
89 // 6 users -> 1383000 among 6 users ->230500 bytes/sec
90 // 12 users -> 1383000 among 12 users ->115250 bytes/sec
91 // UPLINK - DISTANCE 4800 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
92 // 1 user -> 25 PRB at Itbs 13 -> 807 -> 807000 bytes/sec
93 // 3 users -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
94 // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
95 // after the patch enforcing min 3 PRBs per UE:
96 // 12 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/12 UE/TTI -> 62000 bytes/sec
97 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,4800,1383000,807000, errorModel), TestCase::EXTENSIVE);
98 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,4800,461000,253000, errorModel), TestCase::EXTENSIVE);
99 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,4800,230500,125000, errorModel), TestCase::EXTENSIVE);
100 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,4800,115250,62000, errorModel), TestCase::EXTENSIVE);
101
102 // DOWNLINK - DISTANCE 6000 -> MCS 20 -> Itbs 18 (from table 7.1.7.2.1-1 of 36.213)
103 // 1 user -> 24 PRB at Itbs 18 -> 1191 -> 1191000 byte/sec
104 // 3 users -> 1191000 among 3 users ->397000 bytes/sec
105 // 6 users -> 1191000 among 6 users ->198500 bytes/sec
106 // 12 users -> 1191000 among 12 users ->99250 bytes/sec
107 // UPLINK - DISTANCE 6000 -> MCS 12 -> Itbs 11 (from table 7.1.7.2.1-1 of 36.213)
108 // 1 user -> 25 PRB at Itbs 11 -> 621 -> 621000 bytes/sec
109 // 3 users -> 8 PRB at Itbs 11 -> 201 -> 201000 bytes/sec
110 // 6 users -> 4 PRB at Itbs 11 -> 97 -> 97000 bytes/sec
111 // 12 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/12 UE/TTI -> 48667 bytes/sec
112 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,6000,1191000,621000,errorModel), TestCase::EXTENSIVE);
113 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,6000,397000,201000,errorModel), TestCase::EXTENSIVE);
114 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,6000,198500,97000,errorModel), TestCase::EXTENSIVE);
115 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,6000,99250,48667,errorModel), TestCase::EXTENSIVE);
116
117 // DOWNLINK - DISTANCE 10000 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
118 // 1 user -> 24 PRB at Itbs 13 -> 775 -> 775000 byte/sec
119 // 3 users -> 775000 among 3 users -> 258333 bytes/sec
120 // 6 users -> 775000 among 6 users -> 129166 bytes/sec
121 // 12 users -> 775000 among 12 users ->64583 bytes/sec
122 // UPLINK - DISTANCE 9000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
123 // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec
124 // 3 users -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
125 // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
126 // after the patch enforcing min 3 PRBs per UE:
127 // 12 users -> 3 PRB at Itbs 8 -> 49 bytes * 8/12 UE/TTI -> 32667 bytes/sec
128 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,10000,775000,421000,errorModel), TestCase::EXTENSIVE);
129 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,10000,258333,137000,errorModel), TestCase::EXTENSIVE);
130 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,10000,129166,67000,errorModel), TestCase::EXTENSIVE);
131 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,10000,64583,32667,errorModel), TestCase::EXTENSIVE);
132
133 // DOWNLINK - DISTANCE 20000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
134 // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec
135 // 3 users -> 421000 among 3 users ->140333 bytes/sec
136 // 6 users -> 421000 among 6 users ->70166 bytes/sec
137 // 12 users -> 421000 among 12 users ->35083 bytes/sec
138 // UPLINK - DISTANCE 20000 -> MCS 2 -> Itbs 2 (from table 7.1.7.2.1-1 of 36.213)
139 // 1 user -> 25 PRB at Itbs 2 -> 137 -> 137000 bytes/sec
140 // 3 users -> 8 PRB at Itbs 2 -> 41 -> 41000 bytes/sec
141 // 6 users -> 4 PRB at Itbs 2 -> 22 -> 22000 bytes/sec
142 // after the patch enforcing min 3 PRBs per UE:
143 // 12 users -> 3 PRB at Itbs 2 -> 18 bytes * 8/12 UE/TTI -> 12000 bytes/sec
144 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,20000,421000,137000,errorModel), TestCase::EXTENSIVE);
145 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (3,20000,140333,41000,errorModel), TestCase::EXTENSIVE);
146 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (6,20000,70166,22000,errorModel), TestCase::EXTENSIVE);
147 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (12,20000,35083,12000,errorModel), TestCase::EXTENSIVE);
148
149 // DOWNLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
150 // UPLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
151 AddTestCase (new LenaTdBetFfMacSchedulerTestCase1 (1,100000,0,0,errorModel), TestCase::QUICK);
152
153 // Test Case 2: fairness check
154
155 std::vector<double> dist;
156 dist.push_back (0); // User 0 distance --> MCS 28
157 dist.push_back (4800); // User 1 distance --> MCS 22
158 dist.push_back (6000); // User 2 distance --> MCS 14
159 dist.push_back (10000); // User 3 distance --> MCS 8
160 dist.push_back (20000); // User 4 distance --> MCS 8
161 std::vector<uint32_t> estAchievableRateDl;
162 estAchievableRateDl.push_back (2196000);
163 estAchievableRateDl.push_back (1383000);
164 estAchievableRateDl.push_back (775000);
165 estAchievableRateDl.push_back (421000);
166 estAchievableRateDl.push_back (421000);
167 std::vector<uint32_t> estThrTdBetUl;
168 estThrTdBetUl.push_back (469000); // User 0 estimated TTI throughput from TDBET
169 estThrTdBetUl.push_back (157000); // User 1 estimated TTI throughput from TDBET
170 estThrTdBetUl.push_back (125000); // User 2 estimated TTI throughput from TDBET
171 estThrTdBetUl.push_back (85000); // User 3 estimated TTI throughput from TDBET
172 estThrTdBetUl.push_back (26000); // User 4 estimated TTI throughput from TDBET
173 AddTestCase (new LenaTdBetFfMacSchedulerTestCase2 (dist, estAchievableRateDl, estThrTdBetUl, errorModel), TestCase::QUICK);
174}
175
176static LenaTestTdBetFfMacSchedulerSuite lenaTestTdBetFfMacSchedulerSuite;
177
178
179// --------------- T E S T - C A S E # 1 ------------------------------
180
181
182std::string
183LenaTdBetFfMacSchedulerTestCase1::BuildNameString (uint16_t nUser, double dist)
184{
185 std::ostringstream oss;
186 oss << nUser << " UEs, distance " << dist << " m";
187 return oss.str ();
188}
189
190LenaTdBetFfMacSchedulerTestCase1::LenaTdBetFfMacSchedulerTestCase1 (uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
191 : TestCase (BuildNameString (nUser, dist)),
192 m_nUser (nUser),
193 m_dist (dist),
194 m_thrRefDl (thrRefDl),
195 m_thrRefUl (thrRefUl),
196 m_errorModelEnabled (errorModelEnabled)
197{
198}
199
200LenaTdBetFfMacSchedulerTestCase1::~LenaTdBetFfMacSchedulerTestCase1 ()
201{
202}
203
204void
205LenaTdBetFfMacSchedulerTestCase1::DoRun (void)
206{
207 if (!m_errorModelEnabled)
208 {
209 Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
210 Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
211 }
212
213 Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (true));
214 Config::SetDefault ("ns3::MacStatsCalculator::DlOutputFilename", StringValue (CreateTempDirFilename ("DlMacStats.txt")));
215 Config::SetDefault ("ns3::MacStatsCalculator::UlOutputFilename", StringValue (CreateTempDirFilename ("UlMacStats.txt")));
216 Config::SetDefault ("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename", StringValue (CreateTempDirFilename ("DlRlcStats.txt")));
217 Config::SetDefault ("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename", StringValue (CreateTempDirFilename ("UlRlcStats.txt")));
218
219 //Disable Uplink Power Control
220 Config::SetDefault ("ns3::LteUePhy::EnableUplinkPowerControl", BooleanValue (false));
221
226 Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
227
228 lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
229
230 // Create Nodes: eNodeB and UE
231 NodeContainer enbNodes;
232 NodeContainer ueNodes;
233 enbNodes.Create (1);
234 ueNodes.Create (m_nUser);
235
236 // Install Mobility Model
237 MobilityHelper mobility;
238 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
239 mobility.Install (enbNodes);
240 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
241 mobility.Install (ueNodes);
242
243 // Create Devices and install them in the Nodes (eNB and UE)
244 NetDeviceContainer enbDevs;
245 NetDeviceContainer ueDevs;
246 lteHelper->SetSchedulerType ("ns3::TdBetFfMacScheduler");
247 lteHelper->SetSchedulerAttribute ("UlCqiFilter", EnumValue (FfMacScheduler::SRS_UL_CQI));
248 enbDevs = lteHelper->InstallEnbDevice (enbNodes);
249 ueDevs = lteHelper->InstallUeDevice (ueNodes);
250
251 // Attach a UE to a eNB
252 lteHelper->Attach (ueDevs, enbDevs.Get (0));
253
254 // Activate an EPS bearer
255 enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
256 EpsBearer bearer (q);
257 lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
258
259 Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
260 Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
261 enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
262 enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
263
264 // Set UEs' position and power
265 for (int i = 0; i < m_nUser; i++)
266 {
267 Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
268 mm->SetPosition (Vector (m_dist, 0.0, 0.0));
269 Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
270 Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
271 uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
272 uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
273 }
274
275 double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
276 double statsDuration = 0.6;
277 double tolerance = 0.1;
278 Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
279
280 lteHelper->EnableMacTraces ();
281 lteHelper->EnableRlcTraces ();
282 Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
283 rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
284 rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
285
286 NS_LOG_DEBUG ("Start ");
287
288 Simulator::Run ();
289
293 NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
294 std::vector <uint64_t> dlDataRxed;
295 for (int i = 0; i < m_nUser; i++)
296 {
297 // get the imsi
298 uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
299 // get the lcId
300 uint8_t lcId = 3;
301 dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
302 NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_thrRefDl);
303 }
310 for (int i = 0; i < m_nUser; i++)
311 {
312 NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
313 }
314
318 NS_LOG_INFO ("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
319 std::vector <uint64_t> ulDataRxed;
320 for (int i = 0; i < m_nUser; i++)
321 {
322 // get the imsi
323 uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
324 // get the lcId
325 uint8_t lcId = 3;
326 ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
327 NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << m_thrRefUl);
328 }
335 for (int i = 0; i < m_nUser; i++)
336 {
337 NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, m_thrRefUl, m_thrRefUl * tolerance, " Unfair Throughput!");
338 }
339 Simulator::Destroy ();
340
341}
342
343
344
345// --------------- T E S T - C A S E # 2 ------------------------------
346
347
348std::string
349LenaTdBetFfMacSchedulerTestCase2::BuildNameString (uint16_t nUser, std::vector<double> dist)
350{
351 std::ostringstream oss;
352 oss << "distances (m) = [ " ;
353 for (std::vector<double>::iterator it = dist.begin (); it != dist.end (); ++it)
354 {
355 oss << *it << " ";
356 }
357 oss << "]";
358 return oss.str ();
359}
360
361
362LenaTdBetFfMacSchedulerTestCase2::LenaTdBetFfMacSchedulerTestCase2 (std::vector<double> dist, std::vector<uint32_t> estAchievableRateDl, std::vector<uint32_t> estThrTdBetUl, bool errorModelEnabled)
363 : TestCase (BuildNameString (dist.size (), dist)),
364 m_nUser (dist.size ()),
365 m_dist (dist),
366 m_achievableRateDl (estAchievableRateDl),
367 m_estThrTdBetUl (estThrTdBetUl),
368 m_errorModelEnabled (errorModelEnabled)
369{
370}
371
372LenaTdBetFfMacSchedulerTestCase2::~LenaTdBetFfMacSchedulerTestCase2 ()
373{
374}
375
376void
377LenaTdBetFfMacSchedulerTestCase2::DoRun (void)
378{
379
380 NS_LOG_FUNCTION (this);
381
382 if (!m_errorModelEnabled)
383 {
384 Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
385 Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
386 }
387 Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (false));
388 Config::SetDefault ("ns3::MacStatsCalculator::DlOutputFilename", StringValue (CreateTempDirFilename ("DlMacStats.txt")));
389 Config::SetDefault ("ns3::MacStatsCalculator::UlOutputFilename", StringValue (CreateTempDirFilename ("UlMacStats.txt")));
390 Config::SetDefault ("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename", StringValue (CreateTempDirFilename ("DlRlcStats.txt")));
391 Config::SetDefault ("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename", StringValue (CreateTempDirFilename ("UlRlcStats.txt")));
392
397 Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
398
399 lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
400
401 // Create Nodes: eNodeB and UE
402 NodeContainer enbNodes;
403 NodeContainer ueNodes;
404 enbNodes.Create (1);
405 ueNodes.Create (m_nUser);
406
407 // Install Mobility Model
408 MobilityHelper mobility;
409 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
410 mobility.Install (enbNodes);
411 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
412 mobility.Install (ueNodes);
413
414 // Create Devices and install them in the Nodes (eNB and UE)
415 NetDeviceContainer enbDevs;
416 NetDeviceContainer ueDevs;
417 lteHelper->SetSchedulerType ("ns3::TdBetFfMacScheduler");
418 lteHelper->SetSchedulerAttribute ("UlCqiFilter", EnumValue (FfMacScheduler::SRS_UL_CQI));
419 enbDevs = lteHelper->InstallEnbDevice (enbNodes);
420 ueDevs = lteHelper->InstallUeDevice (ueNodes);
421
422 // Attach a UE to a eNB
423 lteHelper->Attach (ueDevs, enbDevs.Get (0));
424
425 // Activate an EPS bearer
426 enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
427 EpsBearer bearer (q);
428 lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
429
430 Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
431 Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
432 enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
433 enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
434
435 // Set UEs' position and power
436 for (int i = 0; i < m_nUser; i++)
437 {
438 Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
439 mm->SetPosition (Vector (m_dist.at (i), 0.0, 0.0));
440 Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
441 Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
442 uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
443 uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
444 }
445
446
447 double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
448 double statsDuration = 0.4;
449 double tolerance = 0.1;
450 Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
451
452 lteHelper->EnableMacTraces ();
453 lteHelper->EnableRlcTraces ();
454 Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
455 rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
456 rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
457
458 Simulator::Run ();
459
460 NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s)");
461 std::vector <uint64_t> dlDataRxed;
462 double totalData = 0;
463 double estTotalThr = 0;
464 double estUeThr = 0;
465 for (int i = 0; i < m_nUser; i++)
466 {
467 // get the imsi
468 uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
469 // get the lcId
470 uint8_t lcId = 3;
471 dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
472 totalData += (double)dlDataRxed.at (i);
473 estTotalThr += 1 / m_achievableRateDl.at (i);
474 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);
475 }
476
477 estTotalThr = m_nUser * (1 / estTotalThr);
478 estUeThr = estTotalThr / m_nUser;
483 for (int i = 0; i < m_nUser; i++)
484 {
485 double thrRatio = (double) 1 / m_nUser;
486 double estThrRatio = (double)dlDataRxed.at (i) / totalData;
487 NS_LOG_INFO ("\tUser " << i << " thrRatio " << thrRatio << " estThrRatio " << estThrRatio);
488 NS_TEST_ASSERT_MSG_EQ_TOL (estThrRatio, thrRatio, tolerance, " Unfair Throughput!");
489 NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, estUeThr, estUeThr * tolerance, " Unfair Throughput!");
490
491 }
492
497 NS_LOG_INFO ("UL - Test with " << m_nUser);
498 std::vector <uint64_t> ulDataRxed;
499 for (int i = 0; i < m_nUser; i++)
500 {
501 // get the imsi
502 uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
503 // get the lcId
504 uint8_t lcId = 3;
505 ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
506 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));
507 NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, (double)m_estThrTdBetUl.at (i), (double)m_estThrTdBetUl.at (i) * tolerance, " Unfair Throughput!");
508 }
509 Simulator::Destroy ();
510
511}
LenaTdBetFfMacSchedulerTestCase1
This system test program creates different test cases with a single eNB and several UEs,...
Definition: lte-test-tdbet-ff-mac-scheduler.h:46
LenaTdBetFfMacSchedulerTestCase1::m_errorModelEnabled
bool m_errorModelEnabled
indicates whether the error model is enabled
Definition: lte-test-tdbet-ff-mac-scheduler.h:73
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:183
LenaTdBetFfMacSchedulerTestCase1::m_thrRefUl
double m_thrRefUl
the UL throughput reference
Definition: lte-test-tdbet-ff-mac-scheduler.h:72
LenaTdBetFfMacSchedulerTestCase1::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:205
LenaTdBetFfMacSchedulerTestCase1::m_thrRefDl
double m_thrRefDl
the DL throughput reference
Definition: lte-test-tdbet-ff-mac-scheduler.h:71
LenaTdBetFfMacSchedulerTestCase1::LenaTdBetFfMacSchedulerTestCase1
LenaTdBetFfMacSchedulerTestCase1(uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Constructor.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:190
LenaTdBetFfMacSchedulerTestCase1::m_dist
double m_dist
the distance between UE nodes and eNodeB
Definition: lte-test-tdbet-ff-mac-scheduler.h:70
LenaTdBetFfMacSchedulerTestCase2
Lena TdBet Ff Mac Scheduler Test Case.
Definition: lte-test-tdbet-ff-mac-scheduler.h:84
LenaTdBetFfMacSchedulerTestCase2::BuildNameString
static std::string BuildNameString(uint16_t nUser, std::vector< double > dist)
Build name string.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:349
LenaTdBetFfMacSchedulerTestCase2::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:377
LenaTdBetFfMacSchedulerTestCase2::m_dist
std::vector< double > m_dist
the distance between nodes
Definition: lte-test-tdbet-ff-mac-scheduler.h:107
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:362
LenaTdBetFfMacSchedulerTestCase2::m_estThrTdBetUl
std::vector< uint32_t > m_estThrTdBetUl
etimated TDBET UL throughput
Definition: lte-test-tdbet-ff-mac-scheduler.h:109
LenaTdBetFfMacSchedulerTestCase2::m_errorModelEnabled
bool m_errorModelEnabled
indicates whether the error model is enabled
Definition: lte-test-tdbet-ff-mac-scheduler.h:110
LenaTdBetFfMacSchedulerTestCase2::m_achievableRateDl
std::vector< uint32_t > m_achievableRateDl
DL achievable rate.
Definition: lte-test-tdbet-ff-mac-scheduler.h:108
LenaTestTdBetFfMacSchedulerSuite
Test suite for TdBetFfMacScheduler tests.
Definition: lte-test-tdbet-ff-mac-scheduler.h:122
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:37
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:33
ns3::DoubleValue
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:41
ns3::EnumValue
Hold variables of type enum.
Definition: enum.h:55
ns3::EpsBearer
This class contains the specification of EPS Bearers.
Definition: eps-bearer.h:92
ns3::EpsBearer::Qci
Qci
QoS Class Indicator.
Definition: eps-bearer.h:107
ns3::LteEnbNetDevice
The eNodeB device implementation.
Definition: lte-enb-net-device.h:57
ns3::LteEnbNetDevice::GetPhy
Ptr< LteEnbPhy > GetPhy(void) const
Definition: lte-enb-net-device.cc:194
ns3::LteHelper::SetSchedulerAttribute
void SetSchedulerAttribute(std::string n, const AttributeValue &v)
Set an attribute for the scheduler to be created.
Definition: lte-helper.cc:293
ns3::LteHelper::InstallEnbDevice
NetDeviceContainer InstallEnbDevice(NodeContainer c)
Create a set of eNodeB devices.
Definition: lte-helper.cc:474
ns3::LteHelper::GetRlcStats
Ptr< RadioBearerStatsCalculator > GetRlcStats(void)
Definition: lte-helper.cc:1572
ns3::LteHelper::SetSchedulerType
void SetSchedulerType(std::string type)
Set the type of scheduler to be used by eNodeB devices.
Definition: lte-helper.cc:279
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:959
ns3::LteHelper::EnableRlcTraces
void EnableRlcTraces(void)
Enable trace sinks for RLC layer.
Definition: lte-helper.cc:1435
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:1313
ns3::LteHelper::InstallUeDevice
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:489
ns3::LteHelper::EnableMacTraces
void EnableMacTraces(void)
Enable trace sinks for MAC layer.
Definition: lte-helper.cc:1529
ns3::LteUeNetDevice
The LteUeNetDevice class implements the UE net device.
Definition: lte-ue-net-device.h:57
ns3::MobilityHelper
Helper class used to assign positions and mobility models to nodes.
Definition: mobility-helper.h:43
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:42
ns3::NetDeviceContainer::Get
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
Definition: net-device-container.cc:62
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:39
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:98
ns3::NodeContainer::Get
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
Definition: node-container.cc:93
ns3::ObjectBase::SetAttribute
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:256
ns3::Object::GetObject
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
ns3::StringValue
Hold variables of type string.
Definition: string.h:41
ns3::TestCase
encapsulates test code
Definition: test.h:994
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
ns3::TestCase::CreateTempDirFilename
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition: test.cc:430
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1188
ns3::TimeValue
AttributeValue implementation for Time.
Definition: nstime.h:1308
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:849
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:273
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:244
NS_LOG_INFO
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:281
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:323
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
lenaTestTdBetFfMacSchedulerSuite
static LenaTestTdBetFfMacSchedulerSuite lenaTestTdBetFfMacSchedulerSuite
Definition: lte-test-tdbet-ff-mac-scheduler.cc:176
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
third.mobility
mobility
Definition: third.py:107