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" 29 #include "ns3/yans-wifi-helper.h" 30 #include "ns3/spectrum-wifi-helper.h" 32 #include "ns3/mobility-helper.h" 33 #include "ns3/internet-stack-helper.h" 34 #include "ns3/ipv4-address-helper.h" 35 #include "ns3/udp-client-server-helper.h" 36 #include "ns3/packet-sink-helper.h" 37 #include "ns3/on-off-helper.h" 38 #include "ns3/ipv4-global-routing-helper.h" 39 #include "ns3/packet-sink.h" 40 #include "ns3/yans-wifi-channel.h" 41 #include "ns3/multi-model-spectrum-channel.h" 42 #include "ns3/wifi-acknowledgment.h" 43 #include "ns3/rng-seed-manager.h" 67 int main (
int argc,
char *argv[])
71 bool useExtendedBlockAck {
false};
72 double simulationTime {10};
73 double distance {1.0};
75 std::size_t nStations {1};
76 std::string dlAckSeqType {
"NO-OFDMA"};
78 uint32_t payloadSize = 700;
79 std::string phyModel {
"Yans"};
80 double minExpectedThroughput {0};
81 double maxExpectedThroughput {0};
84 cmd.AddValue (
"frequency",
"Whether working in the 2.4, 5 or 6 GHz band (other values gets rejected)", frequency);
85 cmd.AddValue (
"distance",
"Distance in meters between the station and the access point", distance);
86 cmd.AddValue (
"simulationTime",
"Simulation time in seconds", simulationTime);
87 cmd.AddValue (
"udp",
"UDP if set to 1, TCP otherwise", udp);
88 cmd.AddValue (
"useRts",
"Enable/disable RTS/CTS", useRts);
89 cmd.AddValue (
"useExtendedBlockAck",
"Enable/disable use of extended BACK", useExtendedBlockAck);
90 cmd.AddValue (
"nStations",
"Number of non-AP HE stations", nStations);
91 cmd.AddValue (
"dlAckType",
"Ack sequence type for DL OFDMA (NO-OFDMA, ACK-SU-FORMAT, MU-BAR, AGGR-MU-BAR)",
93 cmd.AddValue (
"mcs",
"if set, limit testing to a specific MCS (0-11)", mcs);
94 cmd.AddValue (
"payloadSize",
"The application payload size in bytes", payloadSize);
95 cmd.AddValue (
"phyModel",
"PHY model to use when OFDMA is disabled (Yans or Spectrum). If OFDMA is enabled then Spectrum is automatically selected", phyModel);
96 cmd.AddValue (
"minExpectedThroughput",
"if set, simulation fails if the lowest throughput is below this value", minExpectedThroughput);
97 cmd.AddValue (
"maxExpectedThroughput",
"if set, simulation fails if the highest throughput is above this value", maxExpectedThroughput);
98 cmd.Parse (argc,argv);
105 if (dlAckSeqType ==
"ACK-SU-FORMAT")
110 else if (dlAckSeqType ==
"MU-BAR")
115 else if (dlAckSeqType ==
"AGGR-MU-BAR")
120 else if (dlAckSeqType !=
"NO-OFDMA")
122 NS_ABORT_MSG (
"Invalid DL ack sequence type (must be NO-OFDMA, ACK-SU-FORMAT, MU-BAR or AGGR-MU-BAR)");
125 if (phyModel !=
"Yans" && phyModel !=
"Spectrum")
127 NS_ABORT_MSG (
"Invalid PHY model (must be Yans or Spectrum)");
129 if (dlAckSeqType !=
"NO-OFDMA")
132 phyModel =
"Spectrum";
135 double prevThroughput [12];
136 for (uint32_t l = 0; l < 12; l++)
138 prevThroughput[l] = 0;
140 std::cout <<
"MCS value" <<
"\t\t" <<
"Channel width" <<
"\t\t" <<
"GI" <<
"\t\t\t" <<
"Throughput" <<
'\n';
143 if (mcs >= 0 && mcs <= 11)
148 for (
int mcs = minMcs; mcs <= maxMcs; mcs++)
152 uint8_t maxChannelWidth = frequency == 2.4 ? 40 : 160;
153 for (
int channelWidth = 20; channelWidth <= maxChannelWidth; )
155 for (
int gi = 3200; gi >= 800; )
176 else if (frequency == 5)
180 else if (frequency == 2.4)
187 std::cout <<
"Wrong frequency value!" << std::endl;
191 std::ostringstream oss;
192 oss <<
"HeMcs" << mcs;
193 wifi.SetRemoteStationManager (
"ns3::ConstantRateWifiManager",
"DataMode",
StringValue (oss.str ()),
198 if (phyModel ==
"Spectrum")
209 phy.SetChannel (spectrumChannel);
211 mac.SetType (
"ns3::StaWifiMac",
216 if (dlAckSeqType !=
"NO-OFDMA")
218 mac.SetMultiUserScheduler (
"ns3::RrMultiUserScheduler",
222 mac.SetType (
"ns3::ApWifiMac",
235 mac.SetType (
"ns3::StaWifiMac",
240 mac.SetType (
"ns3::ApWifiMac",
249 int64_t streamNumber = 100;
250 streamNumber +=
wifi.AssignStreams (apDevice, streamNumber);
255 Config::Set (
"/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/HeConfiguration/MpduBufferSize",
UintegerValue (useExtendedBlockAck ? 256 : 64));
261 positionAlloc->
Add (Vector (0.0, 0.0, 0.0));
262 positionAlloc->
Add (Vector (distance, 0.0, 0.0));
263 mobility.SetPositionAllocator (positionAlloc);
265 mobility.SetMobilityModel (
"ns3::ConstantPositionMobilityModel");
276 address.SetBase (
"192.168.1.0",
"255.255.255.0");
281 apNodeInterface =
address.Assign (apDevice);
294 for (std::size_t i = 0; i < nStations; i++)
298 client.SetAttribute (
"Interval",
TimeValue (
Time (
"0.00001")));
299 client.SetAttribute (
"PacketSize",
UintegerValue (payloadSize));
308 uint16_t
port = 50000;
315 for (std::size_t i = 0; i < nStations; i++)
318 onoff.SetAttribute (
"OnTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=1]"));
319 onoff.SetAttribute (
"OffTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=0]"));
320 onoff.SetAttribute (
"PacketSize",
UintegerValue (payloadSize));
323 onoff.SetAttribute (
"Remote", remoteAddress);
338 double tolerance = 0.10;
339 uint64_t rxBytes = 0;
342 for (uint32_t i = 0; i < serverApp.
GetN (); i++)
344 rxBytes += payloadSize * DynamicCast<UdpServer> (serverApp.
Get (i))->GetReceived ();
349 for (uint32_t i = 0; i < serverApp.
GetN (); i++)
351 rxBytes += DynamicCast<PacketSink> (serverApp.
Get (i))->GetTotalRx ();
354 double throughput = (rxBytes * 8) / (simulationTime * 1000000.0);
358 std::cout << mcs <<
"\t\t\t" << channelWidth <<
" MHz\t\t\t" << gi <<
" ns\t\t\t" << throughput <<
" Mbit/s" << std::endl;
361 if (mcs == 0 && channelWidth == 20 && gi == 3200)
363 if (throughput * (1 + tolerance) < minExpectedThroughput)
365 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
370 if (mcs == 11 && channelWidth == 160 && gi == 800)
372 if (maxExpectedThroughput > 0 && throughput > maxExpectedThroughput * (1 + tolerance))
374 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
379 if (throughput * (1 + tolerance) > previous)
381 previous = throughput;
385 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
389 if (throughput * (1 + tolerance) > prevThroughput [index])
391 prevThroughput [index] = throughput;
395 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not expected!");
holds a vector of ns3::Application pointers.
static EventId Schedule(Time const &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
Simulation virtual time values and global simulation resolution.
static Ipv4Address GetAny(void)
Smart pointer class similar to boost::intrusive_ptr.
AttributeValue implementation for Boolean.
#define NS_ABORT_MSG(msg)
Unconditional abnormal program termination with a message.
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.
static void SetRun(uint64_t run)
Set the run number of simulation.
a polymophic address class
Hold variables of type enum.
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.
static void SetSeed(uint32_t seed)
Set the seed.
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.
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.
This class can be used to hold variables of floating point type such as 'double' or 'float'...
Include Radiotap link layer information.
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.
uint32_t GetN(void) const
Get the number of Ptr<Application> stored in this container.
Make it easy to create and manage PHY objects for the spectrum model.