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 bool useExtendedBlockAck =
false;
65 double simulationTime = 10;
66 double distance = 1.0;
69 double minExpectedThroughput = 0;
70 double maxExpectedThroughput = 0;
73 cmd.AddValue (
"frequency",
"Whether working in the 2.4, 5 or 6 GHz band (other values gets rejected)", frequency);
74 cmd.AddValue (
"distance",
"Distance in meters between the station and the access point", distance);
75 cmd.AddValue (
"simulationTime",
"Simulation time in seconds", simulationTime);
76 cmd.AddValue (
"udp",
"UDP if set to 1, TCP otherwise", udp);
77 cmd.AddValue (
"useRts",
"Enable/disable RTS/CTS", useRts);
78 cmd.AddValue (
"useExtendedBlockAck",
"Enable/disable use of extended BACK", useExtendedBlockAck);
79 cmd.AddValue (
"mcs",
"if set, limit testing to a specific MCS (0-11)", mcs);
80 cmd.AddValue (
"minExpectedThroughput",
"if set, simulation fails if the lowest throughput is below this value", minExpectedThroughput);
81 cmd.AddValue (
"maxExpectedThroughput",
"if set, simulation fails if the highest throughput is above this value", maxExpectedThroughput);
82 cmd.Parse (argc,argv);
89 double prevThroughput [12];
90 for (uint32_t l = 0; l < 12; l++)
92 prevThroughput[l] = 0;
94 std::cout <<
"MCS value" <<
"\t\t" <<
"Channel width" <<
"\t\t" <<
"GI" <<
"\t\t\t" <<
"Throughput" <<
'\n';
97 if (mcs >= 0 && mcs <= 11)
102 for (
int mcs = minMcs; mcs <= maxMcs; mcs++)
106 uint8_t maxChannelWidth = frequency == 2.4 ? 40 : 160;
107 for (
int channelWidth = 20; channelWidth <= maxChannelWidth; )
109 for (
int gi = 3200; gi >= 800; )
111 uint32_t payloadSize;
138 else if (frequency == 5)
142 else if (frequency == 2.4)
149 std::cout <<
"Wrong frequency value!" << std::endl;
153 std::ostringstream oss;
154 oss <<
"HeMcs" << mcs;
155 wifi.SetRemoteStationManager (
"ns3::ConstantRateWifiManager",
"DataMode",
StringValue (oss.str ()),
160 mac.SetType (
"ns3::StaWifiMac",
164 staDevice =
wifi.Install (
phy,
mac, wifiStaNode);
166 mac.SetType (
"ns3::ApWifiMac",
176 Config::Set (
"/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/HeConfiguration/MpduBufferSize",
UintegerValue (useExtendedBlockAck ? 256 : 64));
182 positionAlloc->
Add (Vector (0.0, 0.0, 0.0));
183 positionAlloc->
Add (Vector (distance, 0.0, 0.0));
184 mobility.SetPositionAllocator (positionAlloc);
186 mobility.SetMobilityModel (
"ns3::ConstantPositionMobilityModel");
194 stack.Install (wifiStaNode);
197 address.SetBase (
"192.168.1.0",
"255.255.255.0");
201 staNodeInterface =
address.Assign (staDevice);
202 apNodeInterface =
address.Assign (apDevice);
211 serverApp = server.Install (wifiStaNode.
Get (0));
217 client.SetAttribute (
"Interval",
TimeValue (
Time (
"0.00001")));
218 client.SetAttribute (
"PacketSize",
UintegerValue (payloadSize));
226 uint16_t
port = 50000;
229 serverApp = packetSinkHelper.Install (wifiStaNode.
Get (0));
234 onoff.SetAttribute (
"OnTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=1]"));
235 onoff.SetAttribute (
"OffTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=0]"));
236 onoff.SetAttribute (
"PacketSize",
UintegerValue (payloadSize));
239 onoff.SetAttribute (
"Remote", remoteAddress);
250 uint64_t rxBytes = 0;
253 rxBytes = payloadSize * DynamicCast<UdpServer> (serverApp.
Get (0))->GetReceived ();
257 rxBytes = DynamicCast<PacketSink> (serverApp.
Get (0))->GetTotalRx ();
259 double throughput = (rxBytes * 8) / (simulationTime * 1000000.0);
263 std::cout << mcs <<
"\t\t\t" << channelWidth <<
" MHz\t\t\t" << gi <<
" ns\t\t\t" << throughput <<
" Mbit/s" << std::endl;
266 if (mcs == 0 && channelWidth == 20 && gi == 3200)
268 if (throughput < minExpectedThroughput)
270 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
275 if (mcs == 11 && channelWidth == 160 && gi == 800)
277 if (maxExpectedThroughput > 0 && throughput > maxExpectedThroughput)
279 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
284 if (throughput > previous)
286 previous = throughput;
290 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
294 if (throughput > prevThroughput [index])
296 prevThroughput [index] = throughput;
300 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...
static YansWifiPhyHelper Default(void)
Create a PHY helper in a default working state.
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
Time NanoSeconds(uint64_t value)
Construct a Time in the indicated unit.
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.
This class can be used to hold variables of floating point type such as 'double' or 'float'...
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.