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This commit is contained in:
Marco Miozzo
2011-05-11 17:45:27 +02:00
parent 560487788e 671b5334c3
commit d1f06364c9
2 changed files with 104 additions and 93 deletions
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184
src/lte/test/lte-test-link-adaptation.cc
View File

@@ -33,22 +33,14 @@ NS_LOG_COMPONENT_DEFINE ("LteLinkAdaptationTest");
using namespace ns3;
uint32_t LteLinkAdaptationTestCase::m_runId = 0;
bool LteLinkAdaptationTestCase::m_lastTestCase = false;
// GnuplotCollection LteLinkAdaptationTestCase::gnuplots("link-adaptation.ps");
// Gnuplot LteLinkAdaptationTestCase::plot;
// Gnuplot2dDataset LteLinkAdaptationTestCase::data;
/**
* Test 1.3 Link Adaptation
*/
void
LteTestDlSchedulingCallback (LteLinkAdaptationTestCase *testcase, std::string path,
uint32_t frameNo, uint32_t subframeNo, uint16_t rnti,
uint8_t mcsTb1, uint16_t sizeTb1, uint8_t mcsTb2, uint16_t sizeTb2)
uint32_t frameNo, uint32_t subframeNo, uint16_t rnti,
uint8_t mcsTb1, uint16_t sizeTb1, uint8_t mcsTb2, uint16_t sizeTb2)
{
testcase->DlScheduling(frameNo, subframeNo, rnti, mcsTb1, sizeTb1, mcsTb2, sizeTb2);
}
@@ -61,22 +53,19 @@ LteLinkAdaptationTestSuite::LteLinkAdaptationTestSuite ()
: TestSuite ("lte-link-adaptation", SYSTEM)
{
// LogLevel logLevel = (LogLevel)(LOG_PREFIX_FUNC | LOG_PREFIX_TIME | LOG_LEVEL_ALL);
// LogComponentEnable ("LteTestUePhy", logLevel);
// LogComponentEnable ("LteLinkAdaptationTest", logLevel);
NS_LOG_INFO ("Creating LteLinkAdaptionTestSuite");
int distanceMin = 10;
int distanceMax = 25000;
int distanceStep = 500;
// Tests: distance --> loss
#if 0
int distanceMin = 1;
int distanceMax = 2000;
int distanceStep = 1000;
bool logStep = false;
int distance;
double lossLinear, lossDb;
for ( distance = distanceMin ;
distance < distanceMax ;
for ( int distance = distanceMin ;
distance <= distanceMax ;
logStep ? ( distance *= distanceStep) : ( distance += distanceStep ) )
{
/**
@@ -84,32 +73,87 @@ LteLinkAdaptationTestSuite::LteLinkAdaptationTestSuite ()
*
* ( 4 * PI * distance * frequency ) 2
* Loss = ( ------------------------------- )
* ( c )
* ( c )
*
* where: c is speed of light in vacuum = 3e8 (m/s)
* distance in (m)
* frequency in (Hz)
*/
// double myLoss = ( ( 4.0 * M_PI * distance * 1.92e9 ) / 3e8 );
lossLinear = ( ( 4.0 * M_PI * distance * 2.160e9 ) / 3e8 );
double lossLinear = ( ( 4.0 * M_PI * distance * 2.160e9 ) / 3e8 );
lossLinear = lossLinear * lossLinear;
lossDb = 10 * log10(lossLinear);
double lossDb = 10 * log10(lossLinear);
AddTestCase (new LteLinkAdaptationTestCase (lossDb, distance));
}
#endif
LteLinkAdaptationTestCase::m_lastTestCase = true;
distance = distanceMax;
lossLinear = ( ( 4.0 * M_PI * distance * 2.160e9 ) / 3e8 );
lossLinear = lossLinear * lossLinear;
lossDb = 10 * log10(lossLinear);
AddTestCase (new LteLinkAdaptationTestCase (lossDb, distance));
struct SnrEfficiencyMcs
{
double snr;
double efficiency;
uint16_t mcsIndex;
};
// SINR = XXX
// AddTestCase (new LteLinkAdaptationTestCase (myLoss));
/**
* Test vectors: SNR, Spectral Efficiency, MCS index
* From XXX
*/
SnrEfficiencyMcs snrEfficiencyMcs[31] = {
{ 0.00000 , 0.15698 , 1},
{ 1.00000 , 0.19498 , 1},
{ 2.00000 , 0.24145 , 3},
{ 3.00000 , 0.29790 , 3},
{ 4.00000 , 0.36596 , 5},
{ 5.00000 , 0.44732 , 5},
{ 6.00000 , 0.54361 , 5},
{ 7.00000 , 0.65637 , 7},
{ 8.00000 , 0.78683 , 7},
{ 9.00000 , 0.93589 , 9},
{ 10.00000 , 1.10399 , 9},
{ 11.00000 , 1.29109 , 11},
{ 12.00000 , 1.49662 , 13},
{ 13.00000 , 1.71964 , 13},
{ 14.00000 , 1.95880 , 15},
{ 15.00000 , 2.21257 , 15},
{ 16.00000 , 2.47928 , 17},
{ 17.00000 , 2.75726 , 19},
{ 18.00000 , 3.04488 , 19},
{ 19.00000 , 3.34066 , 21},
{ 20.00000 , 3.64327 , 21},
{ 21.00000 , 3.95151 , 23},
{ 22.00000 , 4.26440 , 23},
{ 23.00000 , 4.58107 , 25},
{ 24.00000 , 4.90081 , 25},
{ 25.00000 , 5.22304 , 27},
{ 26.00000 , 5.54726 , 27},
{ 27.00000 , 5.87310 , 29},
{ 28.00000 , 6.20022 , 29},
{ 29.00000 , 6.52837 , 29},
{ 30.00000 , 6.85735 , 29}
};
int numOfTests = sizeof (snrEfficiencyMcs) / sizeof (SnrEfficiencyMcs);
// SINR = YYY
// AddTestCase (new LteLinkAdaptationTestCase (myLoss));
for ( int i = 0 ; i < numOfTests ; i++ )
{
/**
* SNR (in dB)
*
* SNR = P_tx - loss - noise
*
* loss = P_tx - SNR - noise
*
* where: P_tx is transmission power
* loss in (dB)
* noise
*/
double lossDb = 30.0 - snrEfficiencyMcs[i].snr - ( -107.5 );
double lossLinear = pow (10, lossDb / 10);
double distance = ( ( 3e8 * sqrt ( lossLinear ) ) / ( 4.0 * M_PI * 2.160e9 ) );
AddTestCase (new LteLinkAdaptationTestCase (snrEfficiencyMcs[i].snr, lossDb, distance, snrEfficiencyMcs[i].mcsIndex));
}
}
@@ -120,16 +164,17 @@ static LteLinkAdaptationTestSuite lteLinkAdaptationTestSuite;
* TestCase
*/
LteLinkAdaptationTestCase::LteLinkAdaptationTestCase (double loss, double distance)
LteLinkAdaptationTestCase::LteLinkAdaptationTestCase (double snr, double loss, double distance, uint16_t mcsIndex)
: TestCase ("Link Adaptation"),
m_snr (snr),
m_loss (loss),
m_distance (distance)
m_distance (distance),
m_mcsIndex (mcsIndex)
{
std::ostringstream sstream1, sstream2;
sstream1 << loss;
sstream2 << ++m_runId;
NS_LOG_INFO ("Creating LteLinkAdaptationTestCase (" << sstream2.str () + "): LOSS = " + sstream1.str ());
NS_LOG_INFO ("Creating LteLinkAdaptationTestCase: SNR = " + sstream1.str ());
}
LteLinkAdaptationTestCase::~LteLinkAdaptationTestCase ()
@@ -139,7 +184,6 @@ LteLinkAdaptationTestCase::~LteLinkAdaptationTestCase ()
void
LteLinkAdaptationTestCase::DoRun (void)
{
#if 1
// LogLevel logLevel = (LogLevel)(LOG_PREFIX_FUNC | LOG_PREFIX_TIME | LOG_LEVEL_ALL);
// LogComponentEnable ("LteEnbRrc", logLevel);
@@ -177,7 +221,6 @@ LteLinkAdaptationTestCase::DoRun (void)
// LogComponentEnable ("ConstantPositionMobilityModel", logLevel);
// LogComponentEnable ("MultiModelSpectrumChannel", logLevel);
// LogComponentEnable ("SingleModelSpectrumChannel", logLevel);
#endif
/**
* Simulation Topology
@@ -188,24 +231,9 @@ LteLinkAdaptationTestCase::DoRun (void)
lena->EnableMacTraces ();
lena->EnableRlcTraces ();
lena->SetAttribute ("PropagationModel", StringValue ("ns3::ConstantSpectrumPropagationLossModel"));
NS_LOG_INFO ("LOSS = " << m_loss);
NS_LOG_INFO ("SNR = " << m_snr << " LOSS = " << m_loss);
lena->SetPropagationModelAttribute ("Loss", DoubleValue (m_loss));
/**
* Distance (m) PropagationLoss (XXX)
* 0 0.0
* 100 6.46814e+07
* 200 2.58726e+08
* 300 5.82133e+08
* 400 1.0349e+09
* 500 1.61704e+09
* 600 2.32853e+09
* 700 3.16939e+09
* 800 4.13961e+09
* 900 5.2392e+09
* 1000 6.46814e+09
*/
// Create Nodes: eNodeB and UE
NodeContainer enbNodes;
NodeContainer ueNodes;
@@ -245,13 +273,11 @@ LteLinkAdaptationTestCase::DoRun (void)
// Simulator::Stop (Seconds (0.005));
Simulator::Stop (Seconds (0.01));
// Simulator::Stop (Seconds (0.1));
/* Simulator::Stop (Seconds (2.0));*/
// Simulator::Stop (Seconds (10.0));
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Link Adaptation Test");
NS_TEST_ASSERT_MSG_EQ_TOL (1.0, 1.0, 0.0000001, "Wrong Test !");
}
@@ -264,34 +290,26 @@ LteLinkAdaptationTestCase::DlScheduling (uint32_t frameNo, uint32_t subframeNo,
if ( firstTime )
{
firstTime = false;
// NS_LOG_UNCOND ("frame\tsbframe\trnti\tmcsTb1\tsizeTb1\tmcsTb2\tsizeTb2");
NS_LOG_UNCOND ("dist\tmcsTb1\tsizeTb1");
// NS_LOG_UNCOND ("dist, mcsTb1, sizeTb1");
// gnuplots.SetTerminal("ps color");
// plot.SetTitle("UniformVariable");
// plot.AppendExtra("set yrange [0:]");
// data.SetTitle("MCS");
// NS_LOG_UNCOND (" Frame\tSbframe\tRnti\tmcsTb1\tsizeTb1\tmcsTb2\tsizeTb2");
NS_LOG_UNCOND ("SNR\tRef_MCS\tCalc_MCS");
}
if ( subframeNo == 10 )
/**
* Note:
* For first 4 subframeNo in the first frameNo, the MCS can still not be well calculated,
* because XXX
* so it is not checked.
* If you want XXX
*/
if ( (frameNo > 1) || (subframeNo > 4) )
// if ( (frameNo == 1) && (subframeNo == 10) )
{
// NS_LOG_UNCOND (" " << frameNo << "\t" << subframeNo << "\t" << rnti << "\t"
// << (uint16_t)mcsTb1 << "\t" << sizeTb1 << "\t"
// << (uint16_t)mcsTb2 << "\t" << sizeTb2);
NS_LOG_UNCOND (m_distance << "\t" << (uint16_t)mcsTb1 << "\t" << sizeTb1);
NS_LOG_UNCOND (m_snr << "\t" << m_mcsIndex << "\t" << (uint16_t)mcsTb1);
// data.Add(m_distance, mcsTb1);
NS_TEST_ASSERT_MSG_EQ ((uint16_t)mcsTb1, m_mcsIndex, "Wrong MCS index");
}
// if ( LteLinkAdaptationTestCase::m_lastTestCase )
// {
// plot.AddDataset(data);
// gnuplots.AddPlot(plot);
// gnuplots.GenerateOutput(std::cout);
// }
}
}

13
src/lte/test/lte-test-link-adaptation.h
View File

@@ -22,7 +22,6 @@
#define LTE_TEST_LINK_ADAPTATION_H
#include "ns3/test.h"
#include "ns3/gnuplot.h"
using namespace ns3;
@@ -41,26 +40,20 @@ public:
class LteLinkAdaptationTestCase : public TestCase
{
public:
LteLinkAdaptationTestCase (double loss, double distance);
LteLinkAdaptationTestCase (double snr, double loss, double distance, uint16_t mcsIndex);
LteLinkAdaptationTestCase ();
virtual ~LteLinkAdaptationTestCase ();
void DlScheduling (uint32_t frameNo, uint32_t subframeNo, uint16_t rnti,
uint8_t mcsTb1, uint16_t sizeTb1, uint8_t mcsTb2, uint16_t sizeTb2);
static bool m_lastTestCase;
// static GnuplotCollection gnuplots;
// static Gnuplot plot;
// static Gnuplot2dDataset data;
private:
virtual void DoRun (void);
double m_snr;
double m_loss;
double m_distance;
static uint32_t m_runId;
uint16_t m_mcsIndex;
};