A Discrete-Event Network Simulator
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lte-test-tdbet-ff-mac-scheduler.cc
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1/*
2 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Author: Marco Miozzo <marco.miozzo@cttc.es>,
18 * Nicola Baldo <nbaldo@cttc.es>
19 * Dizhi Zhou <dizhi.zhou@gmail.com>
20 */
21
22#include "lte-test-tdbet-ff-mac-scheduler.h"
23
24#include "ns3/double.h"
25#include "ns3/radio-bearer-stats-calculator.h"
26#include "ns3/string.h"
27#include <ns3/boolean.h>
28#include <ns3/constant-position-mobility-model.h>
29#include <ns3/enum.h>
30#include <ns3/eps-bearer.h>
31#include <ns3/ff-mac-scheduler.h>
32#include <ns3/log.h>
33#include <ns3/lte-enb-net-device.h>
34#include <ns3/lte-enb-phy.h>
35#include <ns3/lte-helper.h>
36#include <ns3/lte-ue-net-device.h>
37#include <ns3/lte-ue-phy.h>
38#include <ns3/lte-ue-rrc.h>
39#include <ns3/mobility-helper.h>
40#include <ns3/net-device-container.h>
41#include <ns3/node-container.h>
42#include <ns3/object.h>
43#include <ns3/packet.h>
44#include <ns3/ptr.h>
45#include <ns3/simulator.h>
46#include <ns3/spectrum-error-model.h>
47#include <ns3/spectrum-interference.h>
48#include <ns3/test.h>
49
50#include <iostream>
51#include <sstream>
52#include <string>
53
54using namespace ns3;
55
56NS_LOG_COMPONENT_DEFINE("LenaTestTdBetFfMacScheduler");
57
58LenaTestTdBetFfMacSchedulerSuite::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),
81 TestCase::EXTENSIVE);
82 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(3, 0, 732000, 749000, errorModel),
83 TestCase::EXTENSIVE);
84 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(6, 0, 366000, 373000, errorModel),
85 TestCase::EXTENSIVE);
86 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(12, 0, 183000, 184670, errorModel),
87 TestCase::EXTENSIVE);
88
89 // DOWNLINK - DISTANCE 4800 -> MCS 22 -> Itbs 20 (from table 7.1.7.2.1-1 of 36.213)
90 // 1 user -> 24 PRB at Itbs 20 -> 1383 -> 1383000 bytes/sec
91 // 3 users -> 1383000 among 3 users ->461000 bytes/sec
92 // 6 users -> 1383000 among 6 users ->230500 bytes/sec
93 // 12 users -> 1383000 among 12 users ->115250 bytes/sec
94 // UPLINK - DISTANCE 4800 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
95 // 1 user -> 25 PRB at Itbs 13 -> 807 -> 807000 bytes/sec
96 // 3 users -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
97 // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
98 // after the patch enforcing min 3 PRBs per UE:
99 // 12 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/12 UE/TTI -> 62000 bytes/sec
100 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(1, 4800, 1383000, 807000, errorModel),
101 TestCase::EXTENSIVE);
102 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(3, 4800, 461000, 253000, errorModel),
103 TestCase::EXTENSIVE);
104 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(6, 4800, 230500, 125000, errorModel),
105 TestCase::EXTENSIVE);
106 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(12, 4800, 115250, 62000, errorModel),
107 TestCase::EXTENSIVE);
108
109 // DOWNLINK - DISTANCE 6000 -> MCS 20 -> Itbs 18 (from table 7.1.7.2.1-1 of 36.213)
110 // 1 user -> 24 PRB at Itbs 18 -> 1191 -> 1191000 byte/sec
111 // 3 users -> 1191000 among 3 users ->397000 bytes/sec
112 // 6 users -> 1191000 among 6 users ->198500 bytes/sec
113 // 12 users -> 1191000 among 12 users ->99250 bytes/sec
114 // UPLINK - DISTANCE 6000 -> MCS 12 -> Itbs 11 (from table 7.1.7.2.1-1 of 36.213)
115 // 1 user -> 25 PRB at Itbs 11 -> 621 -> 621000 bytes/sec
116 // 3 users -> 8 PRB at Itbs 11 -> 201 -> 201000 bytes/sec
117 // 6 users -> 4 PRB at Itbs 11 -> 97 -> 97000 bytes/sec
118 // 12 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/12 UE/TTI -> 48667 bytes/sec
119 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(1, 6000, 1191000, 621000, errorModel),
120 TestCase::EXTENSIVE);
121 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(3, 6000, 397000, 201000, errorModel),
122 TestCase::EXTENSIVE);
123 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(6, 6000, 198500, 97000, errorModel),
124 TestCase::EXTENSIVE);
125 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(12, 6000, 99250, 48667, errorModel),
126 TestCase::EXTENSIVE);
127
128 // DOWNLINK - DISTANCE 10000 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
129 // 1 user -> 24 PRB at Itbs 13 -> 775 -> 775000 byte/sec
130 // 3 users -> 775000 among 3 users -> 258333 bytes/sec
131 // 6 users -> 775000 among 6 users -> 129166 bytes/sec
132 // 12 users -> 775000 among 12 users ->64583 bytes/sec
133 // UPLINK - DISTANCE 9000 -> 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 -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
136 // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
137 // after the patch enforcing min 3 PRBs per UE:
138 // 12 users -> 3 PRB at Itbs 8 -> 49 bytes * 8/12 UE/TTI -> 32667 bytes/sec
139 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(1, 10000, 775000, 421000, errorModel),
140 TestCase::EXTENSIVE);
141 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(3, 10000, 258333, 137000, errorModel),
142 TestCase::EXTENSIVE);
143 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(6, 10000, 129166, 67000, errorModel),
144 TestCase::EXTENSIVE);
145 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(12, 10000, 64583, 32667, errorModel),
146 TestCase::EXTENSIVE);
147
148 // DOWNLINK - DISTANCE 20000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
149 // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec
150 // 3 users -> 421000 among 3 users ->140333 bytes/sec
151 // 6 users -> 421000 among 6 users ->70166 bytes/sec
152 // 12 users -> 421000 among 12 users ->35083 bytes/sec
153 // UPLINK - DISTANCE 20000 -> MCS 2 -> Itbs 2 (from table 7.1.7.2.1-1 of 36.213)
154 // 1 user -> 25 PRB at Itbs 2 -> 137 -> 137000 bytes/sec
155 // 3 users -> 8 PRB at Itbs 2 -> 41 -> 41000 bytes/sec
156 // 6 users -> 4 PRB at Itbs 2 -> 22 -> 22000 bytes/sec
157 // after the patch enforcing min 3 PRBs per UE:
158 // 12 users -> 3 PRB at Itbs 2 -> 18 bytes * 8/12 UE/TTI -> 12000 bytes/sec
159 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(1, 20000, 421000, 137000, errorModel),
160 TestCase::EXTENSIVE);
161 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(3, 20000, 140333, 41000, errorModel),
162 TestCase::EXTENSIVE);
163 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(6, 20000, 70166, 22000, errorModel),
164 TestCase::EXTENSIVE);
165 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(12, 20000, 35083, 12000, errorModel),
166 TestCase::EXTENSIVE);
167
168 // DOWNLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
169 // UPLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
170 AddTestCase(new LenaTdBetFfMacSchedulerTestCase1(1, 100000, 0, 0, errorModel), TestCase::QUICK);
171
172 // Test Case 2: fairness check
173
174 std::vector<double> dist;
175 dist.push_back(0); // User 0 distance --> MCS 28
176 dist.push_back(4800); // User 1 distance --> MCS 22
177 dist.push_back(6000); // User 2 distance --> MCS 14
178 dist.push_back(10000); // User 3 distance --> MCS 8
179 dist.push_back(20000); // User 4 distance --> MCS 8
180 std::vector<uint32_t> estAchievableRateDl;
181 estAchievableRateDl.push_back(2196000);
182 estAchievableRateDl.push_back(1383000);
183 estAchievableRateDl.push_back(775000);
184 estAchievableRateDl.push_back(421000);
185 estAchievableRateDl.push_back(421000);
186 std::vector<uint32_t> estThrTdBetUl;
187 estThrTdBetUl.push_back(469000); // User 0 estimated TTI throughput from TDBET
188 estThrTdBetUl.push_back(157000); // User 1 estimated TTI throughput from TDBET
189 estThrTdBetUl.push_back(125000); // User 2 estimated TTI throughput from TDBET
190 estThrTdBetUl.push_back(85000); // User 3 estimated TTI throughput from TDBET
191 estThrTdBetUl.push_back(26000); // User 4 estimated TTI throughput from TDBET
192 AddTestCase(
193 new LenaTdBetFfMacSchedulerTestCase2(dist, estAchievableRateDl, estThrTdBetUl, errorModel),
194 TestCase::QUICK);
195}
196
201static LenaTestTdBetFfMacSchedulerSuite lenaTestTdBetFfMacSchedulerSuite;
202
203// --------------- T E S T - C A S E # 1 ------------------------------
204
205std::string
206LenaTdBetFfMacSchedulerTestCase1::BuildNameString(uint16_t nUser, double dist)
207{
208 std::ostringstream oss;
209 oss << nUser << " UEs, distance " << dist << " m";
210 return oss.str();
211}
212
213LenaTdBetFfMacSchedulerTestCase1::LenaTdBetFfMacSchedulerTestCase1(uint16_t nUser,
214 double dist,
215 double thrRefDl,
216 double thrRefUl,
217 bool errorModelEnabled)
218 : TestCase(BuildNameString(nUser, dist)),
219 m_nUser(nUser),
220 m_dist(dist),
221 m_thrRefDl(thrRefDl),
222 m_thrRefUl(thrRefUl),
223 m_errorModelEnabled(errorModelEnabled)
224{
225}
226
227LenaTdBetFfMacSchedulerTestCase1::~LenaTdBetFfMacSchedulerTestCase1()
228{
229}
230
231void
232LenaTdBetFfMacSchedulerTestCase1::DoRun()
233{
234 if (!m_errorModelEnabled)
235 {
236 Config::SetDefault("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue(false));
237 Config::SetDefault("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue(false));
238 }
239
240 Config::SetDefault("ns3::LteHelper::UseIdealRrc", BooleanValue(true));
241 Config::SetDefault("ns3::MacStatsCalculator::DlOutputFilename",
242 StringValue(CreateTempDirFilename("DlMacStats.txt")));
243 Config::SetDefault("ns3::MacStatsCalculator::UlOutputFilename",
244 StringValue(CreateTempDirFilename("UlMacStats.txt")));
245 Config::SetDefault("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename",
246 StringValue(CreateTempDirFilename("DlRlcStats.txt")));
247 Config::SetDefault("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename",
248 StringValue(CreateTempDirFilename("UlRlcStats.txt")));
249
250 // Disable Uplink Power Control
251 Config::SetDefault("ns3::LteUePhy::EnableUplinkPowerControl", BooleanValue(false));
252
257 Ptr<LteHelper> lteHelper = CreateObject<LteHelper>();
258
259 lteHelper->SetAttribute("PathlossModel", StringValue("ns3::FriisSpectrumPropagationLossModel"));
260
261 // Create Nodes: eNodeB and UE
262 NodeContainer enbNodes;
263 NodeContainer ueNodes;
264 enbNodes.Create(1);
265 ueNodes.Create(m_nUser);
266
267 // Install Mobility Model
268 MobilityHelper mobility;
269 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
270 mobility.Install(enbNodes);
271 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
272 mobility.Install(ueNodes);
273
274 // Create Devices and install them in the Nodes (eNB and UE)
275 NetDeviceContainer enbDevs;
276 NetDeviceContainer ueDevs;
277 lteHelper->SetSchedulerType("ns3::TdBetFfMacScheduler");
278 lteHelper->SetSchedulerAttribute("UlCqiFilter", EnumValue(FfMacScheduler::SRS_UL_CQI));
279 enbDevs = lteHelper->InstallEnbDevice(enbNodes);
280 ueDevs = lteHelper->InstallUeDevice(ueNodes);
281
282 // Attach a UE to a eNB
283 lteHelper->Attach(ueDevs, enbDevs.Get(0));
284
285 // Activate an EPS bearer
286 EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
287 EpsBearer bearer(q);
288 lteHelper->ActivateDataRadioBearer(ueDevs, bearer);
289
290 Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get(0)->GetObject<LteEnbNetDevice>();
291 Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy();
292 enbPhy->SetAttribute("TxPower", DoubleValue(30.0));
293 enbPhy->SetAttribute("NoiseFigure", DoubleValue(5.0));
294
295 // Set UEs' position and power
296 for (int i = 0; i < m_nUser; i++)
297 {
298 Ptr<ConstantPositionMobilityModel> mm =
299 ueNodes.Get(i)->GetObject<ConstantPositionMobilityModel>();
300 mm->SetPosition(Vector(m_dist, 0.0, 0.0));
301 Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get(i)->GetObject<LteUeNetDevice>();
302 Ptr<LteUePhy> uePhy = lteUeDev->GetPhy();
303 uePhy->SetAttribute("TxPower", DoubleValue(23.0));
304 uePhy->SetAttribute("NoiseFigure", DoubleValue(9.0));
305 }
306
307 double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
308 double statsDuration = 0.6;
309 double tolerance = 0.1;
310 Simulator::Stop(Seconds(statsStartTime + statsDuration - 0.000001));
311
312 lteHelper->EnableMacTraces();
313 lteHelper->EnableRlcTraces();
314 Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats();
315 rlcStats->SetAttribute("StartTime", TimeValue(Seconds(statsStartTime)));
316 rlcStats->SetAttribute("EpochDuration", TimeValue(Seconds(statsDuration)));
317
318 NS_LOG_DEBUG("Start ");
319
320 Simulator::Run();
321
325 NS_LOG_INFO("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
326 std::vector<uint64_t> dlDataRxed;
327 for (int i = 0; i < m_nUser; i++)
328 {
329 // get the imsi
330 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
331 // get the lcId
332 uint8_t lcId = 3;
333 dlDataRxed.push_back(rlcStats->GetDlRxData(imsi, lcId));
334 NS_LOG_INFO("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at(i)
335 << " thr " << (double)dlDataRxed.at(i) / statsDuration << " ref "
336 << m_thrRefDl);
337 }
344 for (int i = 0; i < m_nUser; i++)
345 {
346 NS_TEST_ASSERT_MSG_EQ_TOL((double)dlDataRxed.at(i) / statsDuration,
347 m_thrRefDl,
348 m_thrRefDl * tolerance,
349 " Unfair Throughput!");
350 }
351
355 NS_LOG_INFO("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
356 std::vector<uint64_t> ulDataRxed;
357 for (int i = 0; i < m_nUser; i++)
358 {
359 // get the imsi
360 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
361 // get the lcId
362 uint8_t lcId = 3;
363 ulDataRxed.push_back(rlcStats->GetUlRxData(imsi, lcId));
364 NS_LOG_INFO("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at(i)
365 << " thr " << (double)ulDataRxed.at(i) / statsDuration << " ref "
366 << m_thrRefUl);
367 }
374 for (int i = 0; i < m_nUser; i++)
375 {
376 NS_TEST_ASSERT_MSG_EQ_TOL((double)ulDataRxed.at(i) / statsDuration,
377 m_thrRefUl,
378 m_thrRefUl * tolerance,
379 " Unfair Throughput!");
380 }
381 Simulator::Destroy();
382}
383
384// --------------- T E S T - C A S E # 2 ------------------------------
385
386std::string
387LenaTdBetFfMacSchedulerTestCase2::BuildNameString(uint16_t nUser, std::vector<double> dist)
388{
389 std::ostringstream oss;
390 oss << "distances (m) = [ ";
391 for (std::vector<double>::iterator it = dist.begin(); it != dist.end(); ++it)
392 {
393 oss << *it << " ";
394 }
395 oss << "]";
396 return oss.str();
397}
398
399LenaTdBetFfMacSchedulerTestCase2::LenaTdBetFfMacSchedulerTestCase2(
400 std::vector<double> dist,
401 std::vector<uint32_t> estAchievableRateDl,
402 std::vector<uint32_t> estThrTdBetUl,
403 bool errorModelEnabled)
404 : TestCase(BuildNameString(dist.size(), dist)),
405 m_nUser(dist.size()),
406 m_dist(dist),
407 m_achievableRateDl(estAchievableRateDl),
408 m_estThrTdBetUl(estThrTdBetUl),
409 m_errorModelEnabled(errorModelEnabled)
410{
411}
412
413LenaTdBetFfMacSchedulerTestCase2::~LenaTdBetFfMacSchedulerTestCase2()
414{
415}
416
417void
418LenaTdBetFfMacSchedulerTestCase2::DoRun()
419{
420 NS_LOG_FUNCTION(this);
421
422 if (!m_errorModelEnabled)
423 {
424 Config::SetDefault("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue(false));
425 Config::SetDefault("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue(false));
426 }
427 Config::SetDefault("ns3::LteHelper::UseIdealRrc", BooleanValue(false));
428 Config::SetDefault("ns3::MacStatsCalculator::DlOutputFilename",
429 StringValue(CreateTempDirFilename("DlMacStats.txt")));
430 Config::SetDefault("ns3::MacStatsCalculator::UlOutputFilename",
431 StringValue(CreateTempDirFilename("UlMacStats.txt")));
432 Config::SetDefault("ns3::RadioBearerStatsCalculator::DlRlcOutputFilename",
433 StringValue(CreateTempDirFilename("DlRlcStats.txt")));
434 Config::SetDefault("ns3::RadioBearerStatsCalculator::UlRlcOutputFilename",
435 StringValue(CreateTempDirFilename("UlRlcStats.txt")));
436
441 Ptr<LteHelper> lteHelper = CreateObject<LteHelper>();
442
443 lteHelper->SetAttribute("PathlossModel", StringValue("ns3::FriisSpectrumPropagationLossModel"));
444
445 // Create Nodes: eNodeB and UE
446 NodeContainer enbNodes;
447 NodeContainer ueNodes;
448 enbNodes.Create(1);
449 ueNodes.Create(m_nUser);
450
451 // Install Mobility Model
452 MobilityHelper mobility;
453 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
454 mobility.Install(enbNodes);
455 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
456 mobility.Install(ueNodes);
457
458 // Create Devices and install them in the Nodes (eNB and UE)
459 NetDeviceContainer enbDevs;
460 NetDeviceContainer ueDevs;
461 lteHelper->SetSchedulerType("ns3::TdBetFfMacScheduler");
462 lteHelper->SetSchedulerAttribute("UlCqiFilter", EnumValue(FfMacScheduler::SRS_UL_CQI));
463 enbDevs = lteHelper->InstallEnbDevice(enbNodes);
464 ueDevs = lteHelper->InstallUeDevice(ueNodes);
465
466 // Attach a UE to a eNB
467 lteHelper->Attach(ueDevs, enbDevs.Get(0));
468
469 // Activate an EPS bearer
470 EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
471 EpsBearer bearer(q);
472 lteHelper->ActivateDataRadioBearer(ueDevs, bearer);
473
474 Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get(0)->GetObject<LteEnbNetDevice>();
475 Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy();
476 enbPhy->SetAttribute("TxPower", DoubleValue(30.0));
477 enbPhy->SetAttribute("NoiseFigure", DoubleValue(5.0));
478
479 // Set UEs' position and power
480 for (int i = 0; i < m_nUser; i++)
481 {
482 Ptr<ConstantPositionMobilityModel> mm =
483 ueNodes.Get(i)->GetObject<ConstantPositionMobilityModel>();
484 mm->SetPosition(Vector(m_dist.at(i), 0.0, 0.0));
485 Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get(i)->GetObject<LteUeNetDevice>();
486 Ptr<LteUePhy> uePhy = lteUeDev->GetPhy();
487 uePhy->SetAttribute("TxPower", DoubleValue(23.0));
488 uePhy->SetAttribute("NoiseFigure", DoubleValue(9.0));
489 }
490
491 double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
492 double statsDuration = 0.4;
493 double tolerance = 0.1;
494 Simulator::Stop(Seconds(statsStartTime + statsDuration - 0.000001));
495
496 lteHelper->EnableMacTraces();
497 lteHelper->EnableRlcTraces();
498 Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats();
499 rlcStats->SetAttribute("StartTime", TimeValue(Seconds(statsStartTime)));
500 rlcStats->SetAttribute("EpochDuration", TimeValue(Seconds(statsDuration)));
501
502 Simulator::Run();
503
504 NS_LOG_INFO("DL - Test with " << m_nUser << " user(s)");
505 std::vector<uint64_t> dlDataRxed;
506 double totalData = 0;
507 double estTotalThr = 0;
508 double estUeThr = 0;
509 for (int i = 0; i < m_nUser; i++)
510 {
511 // get the imsi
512 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
513 // get the lcId
514 uint8_t lcId = 3;
515 dlDataRxed.push_back(rlcStats->GetDlRxData(imsi, lcId));
516 totalData += (double)dlDataRxed.at(i);
517 estTotalThr += 1 / m_achievableRateDl.at(i);
518 NS_LOG_INFO("\tUser " << i << " dist " << m_dist.at(i) << " imsi " << imsi << " bytes rxed "
519 << (double)dlDataRxed.at(i) << " thr "
520 << (double)dlDataRxed.at(i) / statsDuration << " ref " << m_nUser);
521 }
522
523 estTotalThr = m_nUser * (1 / estTotalThr);
524 estUeThr = estTotalThr / m_nUser;
529 for (int i = 0; i < m_nUser; i++)
530 {
531 double thrRatio = 1.0 / m_nUser;
532 double estThrRatio = (double)dlDataRxed.at(i) / totalData;
533 NS_LOG_INFO("\tUser " << i << " thrRatio " << thrRatio << " estThrRatio " << estThrRatio);
534 NS_TEST_ASSERT_MSG_EQ_TOL(estThrRatio, thrRatio, tolerance, " Unfair Throughput!");
535 NS_TEST_ASSERT_MSG_EQ_TOL((double)dlDataRxed.at(i) / statsDuration,
536 estUeThr,
537 estUeThr * tolerance,
538 " Unfair Throughput!");
539 }
540
545 NS_LOG_INFO("UL - Test with " << m_nUser);
546 std::vector<uint64_t> ulDataRxed;
547 for (int i = 0; i < m_nUser; i++)
548 {
549 // get the imsi
550 uint64_t imsi = ueDevs.Get(i)->GetObject<LteUeNetDevice>()->GetImsi();
551 // get the lcId
552 uint8_t lcId = 3;
553 ulDataRxed.push_back(rlcStats->GetUlRxData(imsi, lcId));
554 NS_LOG_INFO("\tUser " << i << " dist " << m_dist.at(i) << " bytes rxed "
555 << (double)ulDataRxed.at(i) << " thr "
556 << (double)ulDataRxed.at(i) / statsDuration << " ref "
557 << (double)m_estThrTdBetUl.at(i));
558 NS_TEST_ASSERT_MSG_EQ_TOL((double)ulDataRxed.at(i) / statsDuration,
559 (double)m_estThrTdBetUl.at(i),
560 (double)m_estThrTdBetUl.at(i) * tolerance,
561 " Unfair Throughput!");
562 }
563 Simulator::Destroy();
564}
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
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:206
LenaTdBetFfMacSchedulerTestCase1::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:232
LenaTdBetFfMacSchedulerTestCase1::m_thrRefUl
double m_thrRefUl
the UL throughput reference
Definition: lte-test-tdbet-ff-mac-scheduler.h:72
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:213
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:82
LenaTdBetFfMacSchedulerTestCase2::BuildNameString
static std::string BuildNameString(uint16_t nUser, std::vector< double > dist)
Build name string.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:387
LenaTdBetFfMacSchedulerTestCase2::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:418
LenaTdBetFfMacSchedulerTestCase2::m_dist
std::vector< double > m_dist
the distance between nodes
Definition: lte-test-tdbet-ff-mac-scheduler.h:108
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:399
LenaTdBetFfMacSchedulerTestCase2::m_estThrTdBetUl
std::vector< uint32_t > m_estThrTdBetUl
etimated TDBET UL throughput
Definition: lte-test-tdbet-ff-mac-scheduler.h:110
LenaTdBetFfMacSchedulerTestCase2::m_errorModelEnabled
bool m_errorModelEnabled
indicates whether the error model is enabled
Definition: lte-test-tdbet-ff-mac-scheduler.h:111
LenaTdBetFfMacSchedulerTestCase2::m_achievableRateDl
std::vector< uint32_t > m_achievableRateDl
DL achievable rate.
Definition: lte-test-tdbet-ff-mac-scheduler.h:109
LenaTestTdBetFfMacSchedulerSuite
Test suite for TdBetFfMacScheduler tests.
Definition: lte-test-tdbet-ff-mac-scheduler.h:120
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:34
ns3::DoubleValue
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:42
ns3::EnumValue
Hold variables of type enum.
Definition: enum.h:56
ns3::EpsBearer
This class contains the specification of EPS Bearers.
Definition: eps-bearer.h:91
ns3::EpsBearer::Qci
Qci
QoS Class Indicator.
Definition: eps-bearer.h:106
ns3::EpsBearer::GBR_CONV_VOICE
@ GBR_CONV_VOICE
GBR Conversational Voice.
Definition: eps-bearer.h:107
ns3::LteEnbNetDevice
The eNodeB device implementation.
Definition: lte-enb-net-device.h:59
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:44
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:43
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:67
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:40
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:84
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:78
ns3::Object::GetObject
Ptr< T > GetObject() const
Get a pointer to the requested aggregated Object.
Definition: object.h:471
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:78
ns3::Simulator::Destroy
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:140
ns3::Simulator::Run
static void Run()
Run the simulation.
Definition: simulator.cc:176
ns3::Simulator::Stop
static void Stop()
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:184
ns3::StringValue
Hold variables of type string.
Definition: string.h:56
ns3::TestCase
encapsulates test code
Definition: test.h:1060
ns3::TestCase::EXTENSIVE
@ EXTENSIVE
Medium length test.
Definition: test.h:1066
ns3::TestCase::QUICK
@ QUICK
Fast test.
Definition: test.h:1065
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:301
ns3::TestCase::CreateTempDirFilename
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition: test.cc:438
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1256
ns3::TimeValue
AttributeValue implementation for Time.
Definition: nstime.h:1423
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:891
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:268
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:238
NS_LOG_INFO
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:275
lenaTestTdBetFfMacSchedulerSuite
static LenaTestTdBetFfMacSchedulerSuite lenaTestTdBetFfMacSchedulerSuite
Static variable for test initialization.
Definition: lte-test-tdbet-ff-mac-scheduler.cc:201
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:337
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1336
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.