21#include "ns3/boolean.h"
22#include "ns3/command-line.h"
23#include "ns3/config.h"
24#include "ns3/double.h"
26#include "ns3/internet-stack-helper.h"
27#include "ns3/ipv4-address-helper.h"
28#include "ns3/ipv4-global-routing-helper.h"
30#include "ns3/mobility-helper.h"
31#include "ns3/on-off-helper.h"
32#include "ns3/packet-sink-helper.h"
33#include "ns3/packet-sink.h"
35#include "ns3/string.h"
37#include "ns3/udp-client-server-helper.h"
38#include "ns3/uinteger.h"
39#include "ns3/yans-wifi-channel.h"
40#include "ns3/yans-wifi-helper.h"
63main(
int argc,
char* argv[])
67 double simulationTime = 10;
68 double distance = 1.0;
69 double frequency = 5.0;
71 double minExpectedThroughput = 0;
72 double maxExpectedThroughput = 0;
75 cmd.AddValue(
"frequency",
76 "Whether working in the 2.4 or 5.0 GHz band (other values gets rejected)",
78 cmd.AddValue(
"distance",
79 "Distance in meters between the station and the access point",
81 cmd.AddValue(
"simulationTime",
"Simulation time in seconds", simulationTime);
82 cmd.AddValue(
"udp",
"UDP if set to 1, TCP otherwise", udp);
83 cmd.AddValue(
"useRts",
"Enable/disable RTS/CTS", useRts);
84 cmd.AddValue(
"mcs",
"if set, limit testing to a specific MCS (0-7)", mcs);
85 cmd.AddValue(
"minExpectedThroughput",
86 "if set, simulation fails if the lowest throughput is below this value",
87 minExpectedThroughput);
88 cmd.AddValue(
"maxExpectedThroughput",
89 "if set, simulation fails if the highest throughput is above this value",
90 maxExpectedThroughput);
91 cmd.Parse(argc, argv);
98 double prevThroughput[8];
101 prevThroughput[l] = 0;
103 std::cout <<
"MCS value"
109 <<
"Throughput" <<
'\n';
112 if (mcs >= 0 && mcs <= 7)
117 for (
int mcs = minMcs; mcs <= maxMcs; mcs++)
121 for (
int channelWidth = 20; channelWidth <= 40;)
123 for (
int sgi = 0; sgi < 2; sgi++)
148 if (frequency == 5.0)
152 else if (frequency == 2.4)
160 std::cout <<
"Wrong frequency value!" << std::endl;
164 std::ostringstream oss;
165 oss <<
"HtMcs" << mcs;
166 wifi.SetRemoteStationManager(
"ns3::ConstantRateWifiManager",
180 phy.Set(
"ChannelSettings", channelValue);
183 staDevice =
wifi.Install(
phy,
mac, wifiStaNode);
185 mac.SetType(
"ns3::ApWifiMac",
186 "EnableBeaconJitter",
198 positionAlloc->Add(
Vector(0.0, 0.0, 0.0));
199 positionAlloc->Add(
Vector(distance, 0.0, 0.0));
200 mobility.SetPositionAllocator(positionAlloc);
202 mobility.SetMobilityModel(
"ns3::ConstantPositionMobilityModel");
210 stack.Install(wifiStaNode);
213 address.SetBase(
"192.168.1.0",
"255.255.255.0");
217 staNodeInterface =
address.Assign(staDevice);
218 apNodeInterface =
address.Assign(apDevice);
227 serverApp = server.Install(wifiStaNode.
Get(0));
232 client.SetAttribute(
"MaxPackets",
UintegerValue(4294967295U));
234 client.SetAttribute(
"PacketSize",
UintegerValue(payloadSize));
242 uint16_t
port = 50000;
245 serverApp = packetSinkHelper.Install(wifiStaNode.
Get(0));
249 OnOffHelper onoff(
"ns3::TcpSocketFactory", Ipv4Address::GetAny());
250 onoff.SetAttribute(
"OnTime",
251 StringValue(
"ns3::ConstantRandomVariable[Constant=1]"));
252 onoff.SetAttribute(
"OffTime",
253 StringValue(
"ns3::ConstantRandomVariable[Constant=0]"));
254 onoff.SetAttribute(
"PacketSize",
UintegerValue(payloadSize));
258 onoff.SetAttribute(
"Remote", remoteAddress);
264 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
266 Simulator::Stop(
Seconds(simulationTime + 1));
269 uint64_t rxBytes = 0;
272 rxBytes = payloadSize * DynamicCast<UdpServer>(serverApp.
Get(0))->GetReceived();
276 rxBytes = DynamicCast<PacketSink>(serverApp.
Get(0))->GetTotalRx();
278 double throughput = (rxBytes * 8) / (simulationTime * 1000000.0);
280 Simulator::Destroy();
282 std::cout << mcs <<
"\t\t\t" << channelWidth <<
" MHz\t\t\t" << sgi <<
"\t\t\t"
283 << throughput <<
" Mbit/s" << std::endl;
286 if (mcs == 0 && channelWidth == 20 && sgi == 0)
288 if (throughput < minExpectedThroughput)
290 NS_FATAL_ERROR(
"Obtained throughput " << throughput <<
" is not expected!");
294 if (mcs == 7 && channelWidth == 40 && sgi == 1)
296 if (maxExpectedThroughput > 0 && throughput > maxExpectedThroughput)
298 NS_FATAL_ERROR(
"Obtained throughput " << throughput <<
" is not expected!");
302 if (throughput > previous)
304 previous = throughput;
308 NS_FATAL_ERROR(
"Obtained throughput " << throughput <<
" is not expected!");
311 if (throughput > prevThroughput[index])
313 prevThroughput[index] = throughput;
317 NS_FATAL_ERROR(
"Obtained throughput " << throughput <<
" is not expected!");
a polymophic address class
AttributeValue implementation for Address.
holds a vector of ns3::Application pointers.
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
AttributeValue implementation for Boolean.
Parse command-line arguments.
AttributeValue implementation for DataRate.
This class can be used to hold variables of floating point type such as 'double' or 'float'.
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Helper class used to assign positions and mobility models to nodes.
holds a vector of ns3::NetDevice pointers
keep track of a set of node pointers.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes.
Smart pointer class similar to boost::intrusive_ptr.
The IEEE 802.11 SSID Information Element.
AttributeValue implementation for Ssid.
Hold variables of type string.
AttributeValue implementation for Time.
Hold objects of type std::tuple<Args...>.
void Set(const result_type &value)
Set the stored values.
Create a client application which sends UDP packets carrying a 32bit sequence number and a 64 bit tim...
Create a server application which waits for input UDP packets and uses the information carried into t...
Hold an unsigned integer type.
Vector3D Vector
Vector alias typedef for compatibility with mobility models.
helps to create WifiNetDevice objects
create MAC layers for a ns3::WifiNetDevice.
std::tuple< uint8_t, uint16_t, int, uint8_t > ChannelTuple
Tuple identifying an operating channel.
manage and create wifi channel objects for the YANS model.
Make it easy to create and manage PHY objects for the YANS model.
void SetDefault(std::string name, const AttributeValue &value)
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Time Seconds(double value)
Construct a Time in the indicated unit.
WifiPhyBand
Identifies the PHY band.
@ WIFI_PHY_BAND_2_4GHZ
The 2.4 GHz band.
@ WIFI_PHY_BAND_5GHZ
The 5 GHz band.
void(* Time)(Time oldValue, Time newValue)
TracedValue callback signature for Time.
Every class exported by the ns3 library is enclosed in the ns3 namespace.