A Discrete-Event Network Simulator
API
lte-test-fdmt-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>
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 
55 
56 using namespace ns3;
57 
58 NS_LOG_COMPONENT_DEFINE ("LenaTestFdMtFfMacScheduler");
59 
61  : TestSuite ("lte-fdmt-ff-mac-scheduler", SYSTEM)
62 {
63  NS_LOG_INFO ("creating LenaTestFdMtFfMacSchedulerSuite");
64 
65  bool errorModel = false;
66 
67  //Test Case : AMC works in FDMT
68 
69  //Note: here the MCS is calculated by the narrowband CQI
70 
71  // DOWNLINK - DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
72  // 1 user -> 24 PRB at Itbs 26 -> 2196 -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
73  // 3 users -> 2196000 among 3 users -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
74  // 6 users -> 2196000 among 6 users -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
75  // 12 users -> 2196000 among 12 users -> 2196000 bytes/sec for one UE; 0 bytes/sec for other UEs
76  // UPLINK- DISTANCE 0 -> MCS 28 -> Itbs 26 (from table 7.1.7.2.1-1 of 36.213)
77  // 1 user -> 25 PRB at Itbs 26 -> 2292 -> 2292000 bytes/sec
78  // 3 users -> 8 PRB at Itbs 26 -> 749 -> 749000 bytes/sec
79  // 6 users -> 4 PRB at Itbs 26 -> 373 -> 373000 bytes/sec
80  // after the patch enforcing min 3 PRBs per UE:
81  // 12 users -> 3 PRB at Itbs 26 -> 277 bytes * 8/12 UE/TTI -> 184670 bytes/sec
82  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,0,2196000,2292000, errorModel), TestCase::EXTENSIVE);
83  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,0,2196000,749000,errorModel), TestCase::QUICK);
84  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,0,2196000,373000, errorModel), TestCase::EXTENSIVE);
85  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,0,2196000,184670, errorModel), TestCase::EXTENSIVE);
86 
87  // DOWNLINK - DISTANCE 4800 -> MCS 22 -> Itbs 20 (from table 7.1.7.2.1-1 of 36.213)
88  // 1 user -> 24 PRB at Itbs 20 -> 1383 -> 1383000 byte/secfor one UE; 0 bytes/sec for other UEs
89  // 3 users -> 1383000 among 3 users -> 1383000 bytes/sec for one UE; 0 bytes/sec for other UEs
90  // 6 users -> 1383000 among 6 users -> 1383000 bytes/sec for one UE; 0 bytes/sec for other UEs
91  // 12 users -> 1383000 among 12 users -> 1383000 bytes/sec for one UE; 0 bytes/sec for other UEs
92  // UPLINK - DISTANCE 4800 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
93  // 1 user -> 25 PRB at Itbs 13 -> 807 -> 807000 bytes/sec
94  // 3 users -> 8 PRB at Itbs 13 -> 253 -> 253000 bytes/sec
95  // 6 users -> 4 PRB at Itbs 13 -> 125 -> 125000 bytes/sec
96  // after the patch enforcing min 3 PRBs per UE:
97  // 12 users -> 3 PRB at Itbs 13 -> 93 bytes * 8/12 UE/TTI -> 62000 bytes/sec
98  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,4800,1383000,807000,errorModel), TestCase::EXTENSIVE);
99  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,4800,1383000,253000,errorModel), TestCase::EXTENSIVE);
100  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,4800,1383000,125000,errorModel), TestCase::EXTENSIVE);
101  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,4800,1383000,62000,errorModel), TestCase::EXTENSIVE);
102 
103 
104  // DOWNLINK - DISTANCE 6000 -> MCS 20 -> Itbs 18 (from table 7.1.7.2.1-1 of 36.213)
105  // 1 user -> 24 PRB at Itbs 18 -> 1191 -> 1191000 byte/sec for one UE; 0 bytes/sec for other UEs
106  // 3 users -> 1191000 among 3 users -> 1191000 bytes/sec for one UE; 0 bytes/sec for other UEs
107  // 6 users -> 1191000 among 6 users -> 1191000 bytes/sec for one UE; 0 bytes/sec for other UEs
108  // 12 users ->1191000 among 12 users -> 1191000 bytes/sec for one UE; 0 bytes/sec for other UEs
109  // UPLINK - DISTANCE 6000 -> MCS 12 -> Itbs 11 (from table 7.1.7.2.1-1 of 36.213)
110  // 1 user -> 25 PRB at Itbs 11 -> 621 -> 621000 bytes/sec
111  // 3 users -> 8 PRB at Itbs 11 -> 201 -> 201000 bytes/sec
112  // 6 users -> 4 PRB at Itbs 11 -> 97 -> 97000 bytes/sec
113  // after the patch enforcing min 3 PRBs per UE:
114  // 12 users -> 3 PRB at Itbs 11 -> 73 bytes * 8/12 UE/TTI -> 48667 bytes/sec
115  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,6000,1191000,621000, errorModel), TestCase::EXTENSIVE);
116  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,6000,1191000,201000, errorModel), TestCase::EXTENSIVE);
117  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,6000,1191000,97000, errorModel), TestCase::EXTENSIVE);
118  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,6000,1191000,48667, errorModel), TestCase::EXTENSIVE);
119 
120  // DOWNLINK - DISTANCE 10000 -> MCS 14 -> Itbs 13 (from table 7.1.7.2.1-1 of 36.213)
121  // 1 user -> 24 PRB at Itbs 13 -> 775 -> 775000 byte/sec for one UE; 0 bytes/sec for other UEs
122  // 3 users -> 775000 among 3 users -> 775000 bytes/sec for one UE; 0 bytes/sec for other UEs
123  // 6 users -> 775000 among 6 users -> 775000 bytes/sec for one UE; 0 bytes/sec for other UEs
124  // 12 users -> 775000 among 12 users -> 775000 bytes/sec for one UE; 0 bytes/sec for other UEs
125  // UPLINK - DISTANCE 10000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
126  // 1 user -> 24 PRB at Itbs 8 -> 437 -> 437000 bytes/sec
127  // 3 users -> 8 PRB at Itbs 8 -> 137 -> 137000 bytes/sec
128  // 6 users -> 4 PRB at Itbs 8 -> 67 -> 67000 bytes/sec
129  // after the patch enforcing min 3 PRBs per UE:
130  // 12 users -> 3 PRB at Itbs 8 -> 49 bytes * 8/12 UE/TTI -> 32667 bytes/sec
131  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,10000,775000,437000,errorModel), TestCase::EXTENSIVE);
132  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,10000,775000,137000,errorModel), TestCase::EXTENSIVE);
133  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,10000,775000,67000,errorModel), TestCase::EXTENSIVE);
134  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,10000,775000,32667,errorModel), TestCase::EXTENSIVE);
135 
136  // DONWLINK - DISTANCE 20000 -> MCS 8 -> Itbs 8 (from table 7.1.7.2.1-1 of 36.213)
137  // 1 user -> 24 PRB at Itbs 8 -> 421 -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
138  // 3 users -> 421000 among 3 users -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
139  // 6 users -> 421000 among 6 users -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
140  // 12 users -> 421000 among 12 users -> 421000 bytes/sec for one UE; 0 bytes/sec for other UEs
141  // UPLINK - DISTANCE 20000 -> MCS 2 -> Itbs 2 (from table 7.1.7.2.1-1 of 36.213)
142  // 1 user -> 25 PRB at Itbs 2 -> 233 -> 137000 bytes/sec
143  // 3 users -> 8 PRB at Itbs 2 -> 69 -> 41000 bytes/sec
144  // 6 users -> 4 PRB at Itbs 2 -> 32 -> 22000 bytes/sec
145  // after the patch enforcing min 3 PRBs per UE:
146  // 12 users -> 3 PRB at Itbs 2 -> 26 bytes * 8/12 UE/TTI -> 12000 bytes/sec
147  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,20000,421000,137000,errorModel), TestCase::EXTENSIVE);
148  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (3,20000,421000,41000,errorModel), TestCase::EXTENSIVE);
149  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (6,20000,421000,22000,errorModel), TestCase::EXTENSIVE);
150  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (12,20000,421000,12000,errorModel), TestCase::EXTENSIVE);
151 
152  // DOWNLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
153  // UPLINK - DISTANCE 100000 -> CQI == 0 -> out of range -> 0 bytes/sec
154  AddTestCase (new LenaFdMtFfMacSchedulerTestCase (1,100000,0,0,errorModel), TestCase::QUICK);
155 }
156 
158 
159 
160 // --------------- T E S T - C A S E ------------------------------
161 
162 std::string
164 {
165  std::ostringstream oss;
166  oss << nUser << " UEs, distance " << dist << " m";
167  return oss.str ();
168 }
169 
170 LenaFdMtFfMacSchedulerTestCase::LenaFdMtFfMacSchedulerTestCase (uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
171  : TestCase (BuildNameString (nUser, dist)),
172  m_nUser (nUser),
173  m_dist (dist),
174  m_thrRefDl (thrRefDl),
175  m_thrRefUl (thrRefUl),
176  m_errorModelEnabled (errorModelEnabled)
177 {
178 }
179 
181 {
182 }
183 
184 
185 void
187 {
188 
189  NS_LOG_FUNCTION (this << m_nUser << m_dist);
190 
191  if (!m_errorModelEnabled)
192  {
193  Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
194  Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
195  }
196 
197  Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (true));
198 
199  //Disable Uplink Power Control
200  Config::SetDefault ("ns3::LteUePhy::EnableUplinkPowerControl", BooleanValue (false));
201 
206  Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
207  lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
208 
209  // Create Nodes: eNodeB and UE
210  NodeContainer enbNodes;
211  NodeContainer ueNodes;
212  enbNodes.Create (1);
213  ueNodes.Create (m_nUser);
214 
215  // Install Mobility Model
217  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
218  mobility.Install (enbNodes);
219  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
220  mobility.Install (ueNodes);
221 
222  // Create Devices and install them in the Nodes (eNB and UE)
223  NetDeviceContainer enbDevs;
224  NetDeviceContainer ueDevs;
225  lteHelper->SetSchedulerType ("ns3::FdMtFfMacScheduler");
226  enbDevs = lteHelper->InstallEnbDevice (enbNodes);
227  ueDevs = lteHelper->InstallUeDevice (ueNodes);
228 
229  // Attach a UE to a eNB
230  lteHelper->Attach (ueDevs, enbDevs.Get (0));
231 
232  // Activate an EPS bearer
233  enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
234  EpsBearer bearer (q);
235  lteHelper->ActivateDataRadioBearer (ueDevs, bearer);
236 
237 
238  Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
239  Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
240  enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
241  enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
242 
243  // Set UEs' position and power
244  for (int i = 0; i < m_nUser; i++)
245  {
247  mm->SetPosition (Vector (m_dist, 0.0, 0.0));
248  Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
249  Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
250  uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
251  uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
252  }
253 
254 
255  double statsStartTime = 0.300; // need to allow for RRC connection establishment + SRS
256  double statsDuration = 0.6;
257  double tolerance = 0.1;
258  Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.000001));
259 
260  lteHelper->EnableMacTraces ();
261  lteHelper->EnableRlcTraces ();
262  Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
263  rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
264  rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
265 
266 
267  Simulator::Run ();
268 
272  NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s) at distance " << m_dist);
273  std::vector <uint64_t> dlDataRxed;
274  for (int i = 0; i < m_nUser; i++)
275  {
276  // get the imsi
277  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
278  uint8_t lcId = 3;
279  dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
280  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_thrRefDl);
281  }
282 
288  uint8_t found = 0;
289  for (int i = 0; i < m_nUser; i++)
290  {
291  double throughput = (double)dlDataRxed.at (i) / statsDuration;
292  if (throughput != 0 && found == 0)
293  {
294  NS_TEST_ASSERT_MSG_EQ_TOL (throughput, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
295  found = 1;
296  }
297  else if (throughput != 0 && found == 1)
298  {
299  NS_TEST_ASSERT_MSG_EQ_TOL (0, m_thrRefDl, m_thrRefDl * tolerance, " Unfair Throughput!");
300  }
301  else
302  NS_TEST_ASSERT_MSG_EQ_TOL (throughput, 0, 0, " Unfair Throughput!");
303  }
304 
308  NS_LOG_INFO ("UL - Test with " << m_nUser << " user(s) at distance " << m_dist);
309  std::vector <uint64_t> ulDataRxed;
310  for (int i = 0; i < m_nUser; i++)
311  {
312  // get the imsi
313  uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
314  // get the lcId
315  uint8_t lcId = 3;
316  ulDataRxed.push_back (rlcStats->GetUlRxData (imsi, lcId));
317  NS_LOG_INFO ("\tUser " << i << " imsi " << imsi << " bytes rxed " << (double)ulDataRxed.at (i) << " thr " << (double)ulDataRxed.at (i) / statsDuration << " ref " << m_thrRefUl);
318  }
325  for (int i = 0; i < m_nUser; i++)
326  {
327  NS_TEST_ASSERT_MSG_EQ_TOL ((double)ulDataRxed.at (i) / statsDuration, m_thrRefUl, m_thrRefUl * tolerance, " Unfair Throughput!");
328  }
329  Simulator::Destroy ();
330 
331 }
332 
double m_thrRefUl
UL throughput reference.
double m_thrRefDl
DL throughput reference.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
AttributeValue implementation for Boolean.
Definition: boolean.h:36
NetDeviceContainer InstallEnbDevice(NodeContainer c)
Create a set of eNodeB devices.
Definition: lte-helper.cc:484
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:459
Hold variables of type string.
Definition: string.h:41
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
A suite of tests to run.
Definition: test.h:1342
Ptr< LteEnbPhy > GetPhy(void) const
Mobility model for which the current position does not change once it has been set and until it is se...
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
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:201
void EnableRlcTraces(void)
Enable trace sinks for RLC layer.
Definition: lte-helper.cc:1350
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:277
encapsulates test code
Definition: test.h:1155
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
This system test program creates different test cases with a single eNB and several UEs...
void SetSchedulerType(std::string type)
Set the type of scheduler to be used by eNodeB devices.
Definition: lte-helper.cc:282
This class contains the specification of EPS Bearers.
Definition: eps-bearer.h:71
void Install(Ptr< Node > node) const
"Layout" a single node according to the current position allocator type.
tuple mobility
Definition: third.py:101
AttributeValue implementation for Time.
Definition: nstime.h:1055
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
uint64_t GetDlRxData(uint64_t imsi, uint8_t lcid)
Gets the number of received downlink data bytes.
holds a vector of ns3::NetDevice pointers
Test suite for LenaFdMtFfMacSchedulerTestCase test case.
#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
Every class exported by the ns3 library is enclosed in the ns3 namespace.
keep track of a set of node pointers.
virtual void DoRun(void)
Implementation to actually run this TestCase.
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())
void SetPosition(const Vector &position)
Ptr< RadioBearerStatsCalculator > GetRlcStats(void)
Definition: lte-helper.cc:1487
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:499
Helper class used to assign positions and mobility models to nodes.
uint64_t GetUlRxData(uint64_t imsi, uint8_t lcid)
Gets the number of received uplink data bytes.
static LenaTestFdMtFfMacSchedulerSuite lenaTestFdMtFfMacSchedulerSuite
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:993
LenaFdMtFfMacSchedulerTestCase(uint16_t nUser, double dist, double thrRefDl, double thrRefUl, bool errorModelEnabled)
Constructor.
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:782
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
void EnableMacTraces(void)
Enable trace sinks for MAC layer.
Definition: lte-helper.cc:1444
static std::string BuildNameString(uint16_t nUser, double dist)
Builds the test name string based on provided parameter values.
Ptr< LteUePhy > GetPhy(void) const
Get the Phy.
double m_dist
distance between the nodes
This class can be used to hold variables of floating point type such as 'double' or 'float'...
Definition: double.h:41
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:185
The eNodeB device implementation.
Qci
QoS Class Indicator.
Definition: eps-bearer.h:77
The LteUeNetDevice class implements the UE net device.