21 #include "ns3/command-line.h" 22 #include "ns3/config.h" 23 #include "ns3/uinteger.h" 24 #include "ns3/boolean.h" 25 #include "ns3/double.h" 26 #include "ns3/string.h" 28 #include "ns3/yans-wifi-helper.h" 30 #include "ns3/mobility-helper.h" 31 #include "ns3/internet-stack-helper.h" 32 #include "ns3/ipv4-address-helper.h" 33 #include "ns3/udp-client-server-helper.h" 34 #include "ns3/packet-sink-helper.h" 35 #include "ns3/on-off-helper.h" 36 #include "ns3/ipv4-global-routing-helper.h" 37 #include "ns3/packet-sink.h" 38 #include "ns3/yans-wifi-channel.h" 60 int main (
int argc,
char *argv[])
64 double simulationTime = 10;
65 double distance = 1.0;
67 double minExpectedThroughput = 0;
68 double maxExpectedThroughput = 0;
71 cmd.AddValue (
"distance",
"Distance in meters between the station and the access point", distance);
72 cmd.AddValue (
"simulationTime",
"Simulation time in seconds", simulationTime);
73 cmd.AddValue (
"udp",
"UDP if set to 1, TCP otherwise", udp);
74 cmd.AddValue (
"useRts",
"Enable/disable RTS/CTS", useRts);
75 cmd.AddValue (
"mcs",
"if set, limit testing to a specific MCS (0-9)", mcs);
76 cmd.AddValue (
"minExpectedThroughput",
"if set, simulation fails if the lowest throughput is below this value", minExpectedThroughput);
77 cmd.AddValue (
"maxExpectedThroughput",
"if set, simulation fails if the highest throughput is above this value", maxExpectedThroughput);
78 cmd.Parse (argc,argv);
85 double prevThroughput [8];
86 for (uint32_t l = 0; l < 8; l++)
88 prevThroughput[l] = 0;
90 std::cout <<
"MCS value" <<
"\t\t" <<
"Channel width" <<
"\t\t" <<
"short GI" <<
"\t\t" <<
"Throughput" <<
'\n';
93 if (mcs >= 0 && mcs <= 9)
98 for (
int mcs = minMcs; mcs <= maxMcs; mcs++)
102 for (
int channelWidth = 20; channelWidth <= 160; )
104 if (mcs == 9 && channelWidth == 20)
109 for (
int sgi = 0; sgi < 2; sgi++)
111 uint32_t payloadSize;
135 std::ostringstream oss;
136 oss <<
"VhtMcs" << mcs;
137 wifi.SetRemoteStationManager (
"ns3::ConstantRateWifiManager",
"DataMode",
StringValue (oss.str ()),
142 mac.SetType (
"ns3::StaWifiMac",
147 staDevice =
wifi.Install (
phy,
mac, wifiStaNode);
149 mac.SetType (
"ns3::ApWifiMac",
158 Config::Set (
"/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/HtConfiguration/ShortGuardIntervalSupported",
BooleanValue (sgi));
164 positionAlloc->
Add (Vector (0.0, 0.0, 0.0));
165 positionAlloc->
Add (Vector (distance, 0.0, 0.0));
166 mobility.SetPositionAllocator (positionAlloc);
168 mobility.SetMobilityModel (
"ns3::ConstantPositionMobilityModel");
176 stack.Install (wifiStaNode);
179 address.SetBase (
"192.168.1.0",
"255.255.255.0");
183 staNodeInterface =
address.Assign (staDevice);
184 apNodeInterface =
address.Assign (apDevice);
193 serverApp = server.Install (wifiStaNode.
Get (0));
199 client.SetAttribute (
"Interval",
TimeValue (
Time (
"0.00002")));
200 client.SetAttribute (
"PacketSize",
UintegerValue (payloadSize));
208 uint16_t
port = 50000;
211 serverApp = packetSinkHelper.Install (wifiStaNode.
Get (0));
216 onoff.SetAttribute (
"OnTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=1]"));
217 onoff.SetAttribute (
"OffTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=0]"));
218 onoff.SetAttribute (
"PacketSize",
UintegerValue (payloadSize));
221 onoff.SetAttribute (
"Remote", remoteAddress);
232 uint64_t rxBytes = 0;
235 rxBytes = payloadSize * DynamicCast<UdpServer> (serverApp.
Get (0))->GetReceived ();
239 rxBytes = DynamicCast<PacketSink> (serverApp.
Get (0))->GetTotalRx ();
241 double throughput = (rxBytes * 8) / (simulationTime * 1000000.0);
245 std::cout << mcs <<
"\t\t\t" << channelWidth <<
" MHz\t\t\t" << sgi <<
"\t\t\t" << throughput <<
" Mbit/s" << std::endl;
248 if (mcs == 0 && channelWidth == 20 && sgi == 0)
250 if (throughput < minExpectedThroughput)
252 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
257 if (mcs == 9 && channelWidth == 160 && sgi == 1)
259 if (maxExpectedThroughput > 0 && throughput > maxExpectedThroughput)
261 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
266 if (throughput > previous)
268 previous = throughput;
272 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
276 if (throughput > prevThroughput [index])
278 prevThroughput [index] = throughput;
282 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
holds a vector of ns3::Application pointers.
Simulation virtual time values and global simulation resolution.
static Ipv4Address GetAny(void)
Smart pointer class similar to boost::intrusive_ptr.
AttributeValue implementation for Boolean.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
Hold variables of type string.
Make it easy to create and manage PHY objects for the YANS model.
static YansWifiChannelHelper Default(void)
Create a channel helper in a default working state.
void Set(std::string path, const AttributeValue &value)
static void Run(void)
Run the simulation.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes...
helps to create WifiNetDevice objects
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
a polymophic address class
Create a client application which sends UDP packets carrying a 32bit sequence number and a 64 bit tim...
AttributeValue implementation for Time.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Hold an unsigned integer type.
holds a vector of ns3::NetDevice pointers
Create a server application which waits for input UDP packets and uses the information carried into t...
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter...
Parse command-line arguments.
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
void SetAttribute(std::string name, const AttributeValue &value)
Record an attribute to be set in each Application after it is is created.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
keep track of a set of node pointers.
manage and create wifi channel objects for the YANS model.
create MAC layers for a ns3::WifiNetDevice.
The IEEE 802.11 SSID Information Element.
Helper class used to assign positions and mobility models to nodes.
AttributeValue implementation for Address.
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 DataRate.
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Time Seconds(double value)
Construct a Time in the indicated unit.
AttributeValue implementation for Ssid.
void SetDefault(std::string name, const AttributeValue &value)
void Add(Vector v)
Add a position to the list of positions.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.