/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2010 Network Security Lab, University of Washington, Seattle.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: He Wu <mdzz@u.washington.edu>
*/
#include "ns3/rv-battery-model.h"
#include "ns3/wifi-radio-energy-model.h"
#include "ns3/rv-battery-model-helper.h"
#include "ns3/wifi-radio-energy-model-helper.h"
#include "ns3/energy-source-container.h"
#include "ns3/device-energy-model-container.h"
#include "ns3/log.h"
#include "ns3/test.h"
#include "ns3/node.h"
#include "ns3/simulator.h"
#include "ns3/double.h"
#include "ns3/config.h"
#include "ns3/string.h"
#include "ns3/yans-wifi-helper.h"
#include "ns3/nqos-wifi-mac-helper.h"
#include <cmath>
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("RvBatteryModelTestSuite");
/**
* Test case of update remaining energy for RvBatteryModel and
* WifiRadioEnergyModel.
*/
class BatteryLifetimeTest : public TestCase
{
public:
BatteryLifetimeTest ();
virtual ~BatteryLifetimeTest ();
private:
/**
* Creates load profiles according to "Battery Lifetime Prediction for Energy-
* Aware Computing" paper.
*/
void CreateLoadProfiles (void);
/**
* \returns False if no error occurs.
*
* Runs test.
*/
void DoRun (void);
/**
* \param load Load value, in Amperes (A).
* \param expLifetime Expected lifetime.
* \return False if no error occurs.
*
* Runs simulation with constant load and checks the battery lifetime with
* known results.
*/
bool ConstantLoadTest (double load, Time expLifetime);
/**
* \param loads Load profile.
* \param timeStamps Time stamps.
* \param expLifetime Expected lifetime.
* \returns False if no error occurs.
*
* Runs simulation with variable load and checks the battery lifetime with
* known results.
*/
bool VariableLoadTest (std::vector<double> loads,
std::vector<Time> timeStamps,
Time expLifetime);
private:
typedef struct LoadProfile
{
std::vector<double> loads;
std::vector<Time> timeStamps;
Time itsyLifetime;
Time dualFoilLifeTime;
} LoadProfile;
private:
std::vector<LoadProfile> m_loadProfiles;
double m_alpha;
double m_beta;
};
BatteryLifetimeTest::BatteryLifetimeTest ()
: TestCase ("RV battery model battery lifetime test case.")
{
// Itsy battery
m_alpha = 35220;
m_beta = 0.637;
}
BatteryLifetimeTest::~BatteryLifetimeTest ()
{
}
void
BatteryLifetimeTest::CreateLoadProfiles (void)
{
// create set of load profiles
LoadProfile profile;
std::vector<double> loads;
std::vector<Time> timeStamps;
// C1
loads.push_back (0.628);
loads.push_back (0);
loads.push_back (0.628);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (19.5 * 60));
timeStamps.push_back (Seconds (26.0 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (55.0 * 60); // 55.0 minutes
profile.dualFoilLifeTime = Seconds (36.2 * 60); // 36.2 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C2
loads.push_back (0.4947);
loads.push_back (0);
loads.push_back (0.4947);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (31.0 * 60));
timeStamps.push_back (Seconds (41.3 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (73.9 * 60); // 73.9 minutes
profile.dualFoilLifeTime = Seconds (55.8 * 60); // 55.8 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C3
loads.push_back (0.4256);
loads.push_back (0);
loads.push_back (0.4256);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (41.0 * 60));
timeStamps.push_back (Seconds (54.6 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (88.8 * 60); // 88.8 minutes
profile.dualFoilLifeTime = Seconds (71.8 * 60); // 71.8 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C4
loads.push_back (0.2923);
loads.push_back (0);
loads.push_back (0.2923);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (74.6 * 60));
timeStamps.push_back (Seconds (99.5 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (137.8 * 60); // 137.8 minutes
profile.dualFoilLifeTime = Seconds (124.9 * 60); // 124.9 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C5
loads.push_back (0.2227);
loads.push_back (0);
loads.push_back (0.2227);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (105.7 * 60));
timeStamps.push_back (Seconds (140.9 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (185.8 * 60); // 185.8 minutes
profile.dualFoilLifeTime = Seconds (176.7 * 60); // 176.7 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C6
loads.push_back (0.628);
loads.push_back (0);
loads.push_back (0.628);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (19.5 * 60));
timeStamps.push_back (Seconds (29.9 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (58.9 * 60); // 58.9 minutes
profile.dualFoilLifeTime = Seconds (41.0 * 60); // 41.0 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C7
loads.push_back (0.628);
loads.push_back (0);
loads.push_back (0.628);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (19.5 * 60));
timeStamps.push_back (Seconds (22.1 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (51.1 * 60); // 51.1 minutes
profile.dualFoilLifeTime = Seconds (30.8 * 60); // 30.8 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C8
loads.push_back (0.628);
loads.push_back (0);
loads.push_back (0.628);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (23.4 * 60));
timeStamps.push_back (Seconds (29.9 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (55.0 * 60); // 55.0 minutes
profile.dualFoilLifeTime = Seconds (37.4 * 60); // 37.4 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C9
loads.push_back (0.628);
loads.push_back (0);
loads.push_back (0.628);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (15.6 * 60));
timeStamps.push_back (Seconds (22.1 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (55.0 * 60); // 55.0 minutes
profile.dualFoilLifeTime = Seconds (35.2 * 60); // 35.2 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C10
loads.push_back (0.300);
loads.push_back (0.628);
loads.push_back (0.4947);
loads.push_back (0.2523);
loads.push_back (0.2341);
loads.push_back (0.1379);
loads.push_back (0.1139);
loads.push_back (0.2656);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (0.5 * 60));
timeStamps.push_back (Seconds (5.5 * 60));
timeStamps.push_back (Seconds (10.5 * 60));
timeStamps.push_back (Seconds (35.5 * 60));
timeStamps.push_back (Seconds (60.5 * 60));
timeStamps.push_back (Seconds (85.5 * 60));
timeStamps.push_back (Seconds (110.5 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (144.3 * 60); // 144.3 minutes
profile.dualFoilLifeTime = Seconds (132.6 * 60); // 132.6 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C11
loads.push_back (0.300);
loads.push_back (0.1139);
loads.push_back (0.1379);
loads.push_back (0.2341);
loads.push_back (0.2523);
loads.push_back (0.4947);
loads.push_back (0.628);
loads.push_back (0.2656);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (0.5 * 60));
timeStamps.push_back (Seconds (25.5 * 60));
timeStamps.push_back (Seconds (50.5 * 60));
timeStamps.push_back (Seconds (75.5 * 60));
timeStamps.push_back (Seconds (100.5 * 60));
timeStamps.push_back (Seconds (105.5 * 60));
timeStamps.push_back (Seconds (110.5 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (144.3 * 60); // 144.3 minutes
profile.dualFoilLifeTime = Seconds (107.4 * 60); // 107.4 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C12
loads.push_back (0.300);
loads.push_back (0.1139);
loads.push_back (0.1379);
loads.push_back (0.2341);
loads.push_back (0.2523);
loads.push_back (0.4947);
loads.push_back (0.0);
loads.push_back (0.300);
loads.push_back (0.628);
loads.push_back (0.2656);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (0.5 * 60));
timeStamps.push_back (Seconds (25.5 * 60));
timeStamps.push_back (Seconds (50.5 * 60));
timeStamps.push_back (Seconds (75.5 * 60));
timeStamps.push_back (Seconds (100.5 * 60));
timeStamps.push_back (Seconds (105.5 * 60));
timeStamps.push_back (Seconds (130.5 * 60));
timeStamps.push_back (Seconds (131.0 * 60));
timeStamps.push_back (Seconds (136.0 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (169.3 * 60); // 169.3 minutes
profile.dualFoilLifeTime = Seconds (155.4 * 60); // 155.4 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C13
loads.push_back (0.300);
timeStamps.push_back (Seconds (0));
for (int i = 0; i < 5; i++)
{
loads.push_back (0.628);
loads.push_back (0.4947);
loads.push_back (0.2523);
loads.push_back (0.2341);
loads.push_back (0.1379);
loads.push_back (0.1139);
timeStamps.push_back (Seconds ((0.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((1.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((2.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((7.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((12.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((17.5 + i * 22.5) * 60));
}
loads.push_back (0.2656);
timeStamps.push_back (Seconds (110.5 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (144.3 * 60); // 144.3 minutes
profile.dualFoilLifeTime = Seconds (131.7 * 60); // 131.7 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C14, time stamp calculation in paper is off, using our own estimated value
loads.push_back (0.300);
timeStamps.push_back (Seconds (0));
for (int i = 0; i < 5; i++)
{
loads.push_back (0.1139);
loads.push_back (0.1379);
loads.push_back (0.2341);
loads.push_back (0.2523);
loads.push_back (0.4947);
loads.push_back (0.628);
timeStamps.push_back (Seconds ((0.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((5.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((10.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((15.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((20.5 + i * 22.5) * 60));
timeStamps.push_back (Seconds ((21.5 + i * 22.5) * 60));
}
loads.push_back (0.2656);
timeStamps.push_back (Seconds (112.5 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (141.5 * 60); // 141.5 minutes
profile.dualFoilLifeTime = Seconds (126.3 * 60); // 126.3 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C15
loads.push_back (0.2227);
loads.push_back (0.2045);
loads.push_back (0.1083);
loads.push_back (0.0843);
loads.push_back (0.2227);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (50.0 * 60));
timeStamps.push_back (Seconds (100.0 * 60));
timeStamps.push_back (Seconds (150.0 * 60));
timeStamps.push_back (Seconds (200.0 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (211.4 * 60); // 211.4 minutes
profile.dualFoilLifeTime = Seconds (209.2 * 60); // 209.2 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C16
loads.push_back (0.0843);
loads.push_back (0.1083);
loads.push_back (0.2045);
loads.push_back (0.2227);
loads.push_back (0.2227);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (50.0 * 60));
timeStamps.push_back (Seconds (100.0 * 60));
timeStamps.push_back (Seconds (150.0 * 60));
timeStamps.push_back (Seconds (200.0 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (211.4 * 60); // 211.4 minutes
profile.dualFoilLifeTime = Seconds (200.7 * 60); // 200.7 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C17
loads.push_back (0.0843);
loads.push_back (0.1083);
loads.push_back (0.2045);
loads.push_back (0.0);
loads.push_back (0.2227);
loads.push_back (0.2227);
timeStamps.push_back (Seconds (0));
timeStamps.push_back (Seconds (50.0 * 60));
timeStamps.push_back (Seconds (100.0 * 60));
timeStamps.push_back (Seconds (150.0 * 60));
timeStamps.push_back (Seconds (200.0 * 60));
timeStamps.push_back (Seconds (250.0 * 60));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (261.4 * 60); // 261.4 minutes
profile.dualFoilLifeTime = Seconds (251.2 * 60); // 251.2 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C18
for (int i = 0; i < 10; i++)
{
loads.push_back (0.0843);
loads.push_back (0.1083);
loads.push_back (0.2045);
loads.push_back (0.2227);
timeStamps.push_back (Seconds ((0.0 + i * 20.0) * 60));
timeStamps.push_back (Seconds ((5.0 + i * 20.0) * 60));
timeStamps.push_back (Seconds ((10.0 + i * 20.0) * 60));
timeStamps.push_back (Seconds ((15.0 + i * 20.0) * 60));
}
loads.push_back (0.2227);
timeStamps.push_back (Seconds (200.0));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (211.4 * 60); // 211.4 minutes
profile.dualFoilLifeTime = Seconds (204.6 * 60); // 204.6 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C19
for (int i = 0; i < 10; i++)
{
loads.push_back (0.0755);
loads.push_back (0.0949);
loads.push_back (0.2045);
loads.push_back (0.2227);
timeStamps.push_back (Seconds ((0.0 + i * 20.0) * 60));
timeStamps.push_back (Seconds ((5.0 + i * 20.0) * 60));
timeStamps.push_back (Seconds ((10.0 + i * 20.0) * 60));
timeStamps.push_back (Seconds ((15.0 + i * 20.0) * 60));
}
loads.push_back (0.2227);
timeStamps.push_back (Seconds (200.0));
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (216.4 * 60); // 216.4 minutes
profile.dualFoilLifeTime = Seconds (208.7 * 60); // 208.7 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C20
for (int i = 0; i < 50; i++)
{
loads.push_back (0.4947);
loads.push_back (0.628);
timeStamps.push_back (Seconds ((0.0 + i * 2.0) * 60));
timeStamps.push_back (Seconds ((1.0 + i * 2.0) * 60));
}
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (55.3 * 60); // 55.3 minutes
profile.dualFoilLifeTime = Seconds (33.2 * 60); // 33.2 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C21
for (int i = 0; i < 50; i++)
{
loads.push_back (0.4947);
loads.push_back (0.628);
loads.push_back (0.0576);
timeStamps.push_back (Seconds ((0.0 + i * 3.0) * 60));
timeStamps.push_back (Seconds ((1.0 + i * 3.0) * 60));
timeStamps.push_back (Seconds ((2.0 + i * 3.0) * 60));
}
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (79.6 * 60); // 79.6 minutes
profile.dualFoilLifeTime = Seconds (55.9 * 60); // 55.9 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
// C22
for (int i = 0; i < 150; i++)
{
loads.push_back (0.005 + 0.005 * i);
timeStamps.push_back (Seconds ((0.0 + i * 1.0) * 60));
}
profile.loads = loads;
profile.timeStamps = timeStamps;
profile.itsyLifetime = Seconds (112.2 * 60); // 112.2 minutes
profile.dualFoilLifeTime = Seconds (94.5 * 60); // 94.5 minutes
m_loadProfiles.push_back (profile);
loads.clear ();
timeStamps.clear ();
}
void
BatteryLifetimeTest::DoRun (void)
{
NS_LOG_DEBUG ("Constant load run.");
// 640mA
NS_TEST_ASSERT_MSG_EQ (ConstantLoadTest (0.640, Seconds (2844.0)), false, "Problems with constant load test (640mA).");
// 320mA
NS_TEST_ASSERT_MSG_EQ (ConstantLoadTest (0.320, Seconds (6146.0)), false, "Problems with constant load test (320mA).");
// 128mA
NS_TEST_ASSERT_MSG_EQ (ConstantLoadTest (0.128, Seconds (16052.0)), false, "Problems with constant load test (128mA).");
// 64mA
NS_TEST_ASSERT_MSG_EQ (ConstantLoadTest (0.064, Seconds (32561.0)), false, "Problems with constant load test (64mA).");
// 32mA
NS_TEST_ASSERT_MSG_EQ (ConstantLoadTest (0.032, Seconds (65580.0)), false, "Problems with constant load test (32).");
// create load profiles for variable load test
CreateLoadProfiles ();
// variable load with Itsy battery
NS_LOG_DEBUG ("\n\nItsy");
m_alpha = 35220;
m_beta = 0.637;
for (uint32_t i = 0; i < m_loadProfiles.size (); i++)
{
NS_LOG_DEBUG ("========");
NS_LOG_DEBUG ("Variable load profile C" << i + 1);
if (VariableLoadTest (m_loadProfiles[i].loads,
m_loadProfiles[i].timeStamps,
m_loadProfiles[i].itsyLifetime))
{
return;
}
}
// variable load with DUALFOIL battery
NS_LOG_DEBUG ("\n\nDUALFOIL");
m_alpha = 40027;
m_beta = 0.276;
for (uint32_t i = 0; i < m_loadProfiles.size (); i++)
{
NS_LOG_DEBUG ("========");
NS_LOG_DEBUG ("Variable load profile C" << i + 1);
if (VariableLoadTest (m_loadProfiles[i].loads,
m_loadProfiles[i].timeStamps,
m_loadProfiles[i].dualFoilLifeTime))
{
return;
}
}
}
bool
BatteryLifetimeTest::ConstantLoadTest (double load, Time expLifetime)
{
// create single node
NodeContainer c;
c.Create (1);
std::string phyMode ("DsssRate1Mbps");
// disable fragmentation for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold",
StringValue ("2200"));
// turn off RTS/CTS for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold",
StringValue ("2200"));
// Fix non-unicast data rate to be the same as that of unicast
Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode",
StringValue (phyMode));
// install YansWifiPhy
WifiHelper wifi;
wifi.SetStandard (WIFI_PHY_STANDARD_80211b);
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
/*
* This is one parameter that matters when using FixedRssLossModel, set it to
* zero; otherwise, gain will be added.
*/
wifiPhy.Set ("RxGain", DoubleValue (0));
// ns-3 supports RadioTap and Prism tracing extensions for 802.11b
wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);
YansWifiChannelHelper wifiChannel;
wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
wifiPhy.SetChannel (wifiChannel.Create ());
// Add a non-QoS upper MAC, and disable rate control
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", StringValue (phyMode),
"ControlMode", StringValue (phyMode));
// Set it to ad-hoc mode
wifiMac.SetType ("ns3::AdhocWifiMac");
NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, c);
// Create and install battery model and device models
// RV battery model
RvBatteryModelHelper rvModelHelper;
// Set alpha & beta values
rvModelHelper.Set ("RvBatteryModelAlphaValue", DoubleValue (m_alpha));
rvModelHelper.Set ("RvBatteryModelBetaValue", DoubleValue (m_beta));
rvModelHelper.Set ("RvBatteryModelLowBatteryThreshold", DoubleValue (0.0));
// install source
EnergySourceContainer sources = rvModelHelper.Install (c);
// device energy model
WifiRadioEnergyModelHelper radioEnergyHelper;
// set VariableLoadTestIDLE current, which will be the constant load
radioEnergyHelper.Set ("IdleCurrentA", DoubleValue (load));
// install on node
DeviceEnergyModelContainer deviceModels = radioEnergyHelper.Install (devices, sources);
// run simulation
Simulator::Stop (Seconds (70000.0));
Simulator::Run ();
Time actualLifetime;
Ptr<RvBatteryModel> srcPtr = DynamicCast<RvBatteryModel> (sources.Get (0));
actualLifetime = srcPtr->GetLifetime ();
NS_LOG_DEBUG ("Expected lifetime = " << expLifetime.GetSeconds () << "s");
NS_LOG_DEBUG ("Actual lifetime = " << actualLifetime.GetSeconds () << "s");
NS_TEST_ASSERT_MSG_EQ_RETURNS_BOOL (actualLifetime, expLifetime, "Incorrect lifetime!");
/*
NS_TEST_ASSERT_MSG_EQ_TOL_RETURNS_BOOL (actualLifetime.GetSeconds () / 60,
expLifetime.GetSeconds () / 60, 0.1,
"Incorrect lifetime!");
*/
Simulator::Destroy ();
return false; // error free
}
bool
BatteryLifetimeTest::VariableLoadTest (std::vector<double> loads,
std::vector<Time> timeStamps,
Time expLifetime)
{
NS_ASSERT (loads.size () == timeStamps.size ());
// create single node
NodeContainer c;
c.Create (1);
std::string phyMode ("DsssRate1Mbps");
// disable fragmentation for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold",
StringValue ("2200"));
// turn off RTS/CTS for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold",
StringValue ("2200"));
// Fix non-unicast data rate to be the same as that of unicast
Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode",
StringValue (phyMode));
// install YansWifiPhy
WifiHelper wifi;
wifi.SetStandard (WIFI_PHY_STANDARD_80211b);
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
/*
* This is one parameter that matters when using FixedRssLossModel, set it to
* zero; otherwise, gain will be added.
*/
wifiPhy.Set ("RxGain", DoubleValue (0));
// ns-3 supports RadioTap and Prism tracing extensions for 802.11b
wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);
YansWifiChannelHelper wifiChannel;
wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
wifiPhy.SetChannel (wifiChannel.Create ());
// Add a non-QoS upper MAC, and disable rate control
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", StringValue (phyMode),
"ControlMode", StringValue (phyMode));
// Set it to ad-hoc mode
wifiMac.SetType ("ns3::AdhocWifiMac");
NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, c);
// Create and install battery model and device models
// RV battery model
RvBatteryModelHelper rvModelHelper;
// Set alpha & beta values
rvModelHelper.Set ("RvBatteryModelAlphaValue", DoubleValue (m_alpha));
rvModelHelper.Set ("RvBatteryModelBetaValue", DoubleValue (m_beta));
rvModelHelper.Set ("RvBatteryModelLowBatteryThreshold", DoubleValue (0.0));
// install source
EnergySourceContainer sources = rvModelHelper.Install (c);
// device energy model
WifiRadioEnergyModelHelper radioEnergyHelper;
// set VariableLoadTestIDLE current, which will be the constant load
radioEnergyHelper.Set ("IdleCurrentA", DoubleValue (loads[0]));
// install on node
DeviceEnergyModelContainer deviceModels = radioEnergyHelper.Install (devices, sources);
Ptr<WifiRadioEnergyModel> wifiDevicePtr = DynamicCast<WifiRadioEnergyModel> (deviceModels.Get (0));
// schedule load change events
for (uint32_t i = 1; i < loads.size (); i++)
{
Simulator::Schedule (timeStamps[i], &WifiRadioEnergyModel::SetIdleCurrentA,
wifiDevicePtr, loads[i]);
}
// run simulation
Simulator::Stop (Seconds (70000.0));
Simulator::Run ();
Time actualLifetime;
Ptr<RvBatteryModel> srcPtr = DynamicCast<RvBatteryModel> (sources.Get (0));
actualLifetime = srcPtr->GetLifetime ();
NS_LOG_DEBUG ("Expected lifetime = " << expLifetime.GetSeconds () << "s");
NS_LOG_DEBUG ("Actual lifetime = " << actualLifetime.GetSeconds () << "s");
NS_LOG_DEBUG ("Difference = " << expLifetime.GetSeconds () - actualLifetime.GetSeconds () << "s");
//NS_TEST_ASSERT_MSG_EQ_RETURNS_BOOL (actualLifetime, expLifetime, "Incorrect lifetime!");
NS_TEST_ASSERT_MSG_EQ_TOL_RETURNS_BOOL (actualLifetime.GetSeconds (), expLifetime.GetSeconds (),
120, // error tolerance = 120s
"Incorrect lifetime!");
Simulator::Destroy ();
return false; // error free
}
// -------------------------------------------------------------------------- //
/**
* Unit test suite for energy model. Although the test suite involves 2 modules
* it is still considered a unit test. Because a DeviceEnergyModel cannot live
* without an EnergySource.
*/
class RvBatteryModelTestSuite : public TestSuite
{
public:
RvBatteryModelTestSuite ();
};
RvBatteryModelTestSuite::RvBatteryModelTestSuite ()
: TestSuite ("rv-battery-model", SYSTEM)
{
AddTestCase (new BatteryLifetimeTest, TestCase::QUICK);
}
// create an instance of the test suite
static RvBatteryModelTestSuite g_rvBatteryModelTestSuite;