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A Discrete-Event Network Simulator
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API
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Go to the documentation of this file.
21 #include "ns3/command-line.h"
22 #include "ns3/config.h"
23 #include "ns3/uinteger.h"
24 #include "ns3/boolean.h"
25 #include "ns3/string.h"
27 #include "ns3/yans-wifi-helper.h"
29 #include "ns3/mobility-helper.h"
30 #include "ns3/internet-stack-helper.h"
31 #include "ns3/ipv4-address-helper.h"
32 #include "ns3/packet-sink-helper.h"
33 #include "ns3/on-off-helper.h"
34 #include "ns3/ipv4-global-routing-helper.h"
35 #include "ns3/packet-sink.h"
36 #include "ns3/yans-wifi-channel.h"
48 int main (
int argc,
char *argv[])
51 double simulationTime = 10;
52 double distance = 1.0;
54 uint8_t channelWidth = 20;
55 bool useShortGuardInterval =
false;
59 cmd.AddValue (
"nWifi",
"Number of stations",
nWifi);
60 cmd.AddValue (
"distance",
"Distance in meters between the stations and the access point", distance);
61 cmd.AddValue (
"simulationTime",
"Simulation time in seconds", simulationTime);
62 cmd.AddValue (
"useRts",
"Enable/disable RTS/CTS", useRts);
63 cmd.AddValue (
"mcs",
"MCS value (0 - 7)", mcs);
64 cmd.AddValue (
"channelWidth",
"Channel width in MHz", channelWidth);
65 cmd.AddValue (
"useShortGuardInterval",
"Enable/disable short guard interval", useShortGuardInterval);
66 cmd.Parse (argc,argv);
81 std::ostringstream oss;
82 oss <<
"HtMcs" << mcs;
83 wifi.SetRemoteStationManager (
"ns3::ConstantRateWifiManager",
90 mac.SetType (
"ns3::StaWifiMac",
96 mac.SetType (
"ns3::ApWifiMac",
106 Config::Set (
"/NodeList/*/DeviceList/*/$ns3::WifiNetDevice/HtConfiguration/ShortGuardIntervalSupported",
BooleanValue (useShortGuardInterval));
111 positionAlloc->
Add (Vector (0.0, 0.0, 0.0));
112 for (uint32_t i = 0; i <
nWifi; i++)
114 positionAlloc->
Add (Vector (distance, 0.0, 0.0));
116 mobility.SetPositionAllocator (positionAlloc);
117 mobility.SetMobilityModel (
"ns3::ConstantPositionMobilityModel");
127 address.SetBase (
"192.168.1.0",
"255.255.255.0");
131 apNodeInterface =
address.Assign (apDevice);
135 std::vector<uint8_t> tosValues = {0x70, 0x28, 0xb8, 0xc0};
136 uint32_t portNumber = 9;
137 for (uint32_t index = 0; index <
nWifi; ++index)
139 for (uint8_t tosValue : tosValues)
142 const auto address = ipv4->GetAddress (1, 0).GetLocal ();
144 sinkSocket.SetTos (tosValue);
145 OnOffHelper onOffHelper (
"ns3::UdpSocketFactory", sinkSocket);
146 onOffHelper.SetAttribute (
"OnTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=1]"));
147 onOffHelper.SetAttribute (
"OffTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=0]"));
149 onOffHelper.SetAttribute (
"PacketSize",
UintegerValue (1472));
150 sourceApplications.
Add (onOffHelper.Install (
wifiStaNodes.Get (index)));
152 sinkApplications.
Add (packetSinkHelper.Install (
wifiApNode.Get (0)));
157 sinkApplications.
Stop (
Seconds (simulationTime + 1));
159 sourceApplications.
Stop (
Seconds (simulationTime + 1));
166 double throughput = 0;
167 for (uint32_t index = 0; index < sinkApplications.
GetN (); ++index)
169 uint64_t totalPacketsThrough = DynamicCast<PacketSink> (sinkApplications.
Get (index))->GetTotalRx ();
170 throughput += ((totalPacketsThrough * 8) / (simulationTime * 1000000.0));
177 std::cout <<
"Aggregated throughput: " << throughput <<
" Mbit/s" << std::endl;
holds a vector of ns3::NetDevice pointers
@ WIFI_STANDARD_80211n_5GHZ
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
AttributeValue implementation for DataRate.
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.
static YansWifiChannelHelper Default(void)
Create a channel helper in a default working state.
Make it easy to create and manage PHY objects for the YANS model.
Parse command-line arguments.
void Add(Vector v)
Add a position to the list of positions.
void Set(std::string path, const AttributeValue &value)
AttributeValue implementation for Boolean.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
helps to create WifiNetDevice objects
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
AttributeValue implementation for Ssid.
The IEEE 802.11 SSID Information Element.
void Add(ApplicationContainer other)
Append the contents of another ApplicationContainer to the end of this container.
Access to the IPv4 forwarding table, interfaces, and configuration.
Smart pointer class similar to boost::intrusive_ptr.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
static void Run(void)
Run the simulation.
Hold variables of type string.
uint32_t GetN(void) const
Get the number of Ptr<Application> stored in this container.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes.
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter.
Time Seconds(double value)
Construct a Time in the indicated unit.
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
holds a vector of ns3::Application pointers.
keep track of a set of node pointers.
Hold an unsigned integer type.
manage and create wifi channel objects for the YANS model.
create MAC layers for a ns3::WifiNetDevice.
aggregate IP/TCP/UDP functionality to existing Nodes.
Helper class used to assign positions and mobility models to nodes.