|
|
|---|
| 39 |
// | | |
39 |
// | | |
| 40 |
// n1 n2 |
40 |
// n1 n2 |
| 41 |
// |
41 |
// |
| 42 |
//Packets in this simulation aren't marked with a QosTag so they are considered |
42 |
// By default, packets are sent on best effort access class (AC_BE), but |
| 43 |
//belonging to BestEffort Access Class (AC_BE). |
43 |
// when UDP is selected, a different User Priority can be set to select |
|
|
44 |
// a different access category (e.g. User Priority 7 corresponds to AC_VO) |
| 44 |
|
45 |
|
| 45 |
using namespace ns3; |
46 |
using namespace ns3; |
| 46 |
|
47 |
|
|
|
|---|
| 52 |
double simulationTime = 10; //seconds |
53 |
double simulationTime = 10; //seconds |
| 53 |
double distance = 1.0; //meters |
54 |
double distance = 1.0; //meters |
| 54 |
double frequency = 5.0; //whether 2.4 or 5.0 GHz |
55 |
double frequency = 5.0; //whether 2.4 or 5.0 GHz |
|
|
56 |
uint16_t userPriority = 0; // AC_BE |
| 57 |
int mcs = -1; // -1 indicates an unset value |
| 55 |
|
58 |
|
| 56 |
CommandLine cmd; |
59 |
CommandLine cmd; |
| 57 |
cmd.AddValue ("frequency", "Whether working in the 2.4 or 5.0 GHz band (other values gets rejected)", frequency); |
60 |
cmd.AddValue ("frequency", "Whether working in the 2.4 or 5.0 GHz band (other values gets rejected)", frequency); |
| 58 |
cmd.AddValue ("distance", "Distance in meters between the station and the access point", distance); |
61 |
cmd.AddValue ("distance", "Distance in meters between the station and the access point", distance); |
| 59 |
cmd.AddValue ("simulationTime", "Simulation time in seconds", simulationTime); |
62 |
cmd.AddValue ("simulationTime", "Simulation time in seconds", simulationTime); |
| 60 |
cmd.AddValue ("udp", "UDP if set to 1, TCP otherwise", udp); |
63 |
cmd.AddValue ("udp", "UDP if set to 1, TCP otherwise", udp); |
|
|
64 |
cmd.AddValue ("userPriority", "UserPriority for WiFi QoS", userPriority); |
| 65 |
cmd.AddValue ("mcs", "if set, limit testing to a specific MCS (0-7)", mcs); |
| 61 |
cmd.Parse (argc,argv); |
66 |
cmd.Parse (argc,argv); |
| 62 |
|
67 |
|
| 63 |
double prevThroughput [8]; |
68 |
double prevThroughput [8]; |
|
|
|---|
| 66 |
prevThroughput[l] = 0; |
71 |
prevThroughput[l] = 0; |
| 67 |
} |
72 |
} |
| 68 |
std::cout << "MCS value" << "\t\t" << "Channel width" << "\t\t" << "short GI" << "\t\t" << "Throughput" << '\n'; |
73 |
std::cout << "MCS value" << "\t\t" << "Channel width" << "\t\t" << "short GI" << "\t\t" << "Throughput" << '\n'; |
| 69 |
for (int mcs = 0; mcs <= 7; mcs++) |
74 |
int minMcs = 0; |
|
|
75 |
int maxMcs = 7; |
| 76 |
if (mcs >= 0 && mcs <=7) |
| 77 |
{ |
| 78 |
minMcs = mcs; |
| 79 |
maxMcs = mcs; |
| 80 |
} |
| 81 |
|
| 82 |
for (int mcsIndex = minMcs; mcsIndex <= maxMcs; mcsIndex++) |
| 70 |
{ |
83 |
{ |
| 71 |
uint8_t index = 0; |
84 |
uint8_t index = 0; |
| 72 |
double previous = 0; |
85 |
double previous = 0; |
|
|
|---|
| 115 |
} |
128 |
} |
| 116 |
|
129 |
|
| 117 |
std::ostringstream oss; |
130 |
std::ostringstream oss; |
| 118 |
oss << "HtMcs" << mcs; |
131 |
oss << "HtMcs" << mcsIndex; |
| 119 |
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager","DataMode", StringValue (oss.str ()), |
132 |
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager","DataMode", StringValue (oss.str ()), |
| 120 |
"ControlMode", StringValue (oss.str ())); |
133 |
"ControlMode", StringValue (oss.str ())); |
| 121 |
|
134 |
|
|
|
|---|
| 172 |
serverApp = myServer.Install (wifiStaNode.Get (0)); |
185 |
serverApp = myServer.Install (wifiStaNode.Get (0)); |
| 173 |
serverApp.Start (Seconds (0.0)); |
186 |
serverApp.Start (Seconds (0.0)); |
| 174 |
serverApp.Stop (Seconds (simulationTime + 1)); |
187 |
serverApp.Stop (Seconds (simulationTime + 1)); |
|
|
188 |
InetSocketAddress destAddress (staNodeInterface.GetAddress (0), 9); |
| 189 |
destAddress.SetTos (userPriority); |
| 175 |
|
190 |
|
| 176 |
UdpClientHelper myClient (staNodeInterface.GetAddress (0), 9); |
191 |
UdpClientHelper myClient (destAddress); |
| 177 |
myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295u)); |
192 |
myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295u)); |
| 178 |
myClient.SetAttribute ("Interval", TimeValue (Time ("0.00001"))); //packets/s |
193 |
myClient.SetAttribute ("Interval", TimeValue (Time ("0.00001"))); //packets/s |
| 179 |
myClient.SetAttribute ("PacketSize", UintegerValue (payloadSize)); |
194 |
myClient.SetAttribute ("PacketSize", UintegerValue (payloadSize)); |
|
|
|---|
| 223 |
rxBytes = payloadSize * DynamicCast<PacketSink> (sinkApp.Get (0))->GetTotalRx (); |
238 |
rxBytes = payloadSize * DynamicCast<PacketSink> (sinkApp.Get (0))->GetTotalRx (); |
| 224 |
} |
239 |
} |
| 225 |
double throughput = (rxBytes * 8) / (simulationTime * 1000000.0); //Mbit/s |
240 |
double throughput = (rxBytes * 8) / (simulationTime * 1000000.0); //Mbit/s |
| 226 |
std::cout << mcs << "\t\t\t" << channelWidth << " MHz\t\t\t" << sgi << "\t\t\t" << throughput << " Mbit/s" << std::endl; |
241 |
std::cout << mcsIndex << "\t\t\t" << channelWidth << " MHz\t\t\t" << sgi << "\t\t\t" << throughput << " Mbit/s" << std::endl; |
| 227 |
//test first element |
242 |
//test first element |
| 228 |
if (udp && mcs == 0 && channelWidth == 20 && sgi == 0) |
243 |
if (udp && mcsIndex == 0 && channelWidth == 20 && sgi == 0) |
| 229 |
{ |
244 |
{ |
| 230 |
if (throughput < 5.25 || throughput > 6.25) |
245 |
if (throughput < 5.25 || throughput > 6.25) |
| 231 |
{ |
246 |
{ |
|
|
|---|
| 234 |
} |
249 |
} |
| 235 |
} |
250 |
} |
| 236 |
//test last element |
251 |
//test last element |
| 237 |
if (udp && mcs == 7 && channelWidth == 40 && sgi == 1) |
252 |
if (udp && mcsIndex == 7 && channelWidth == 40 && sgi == 1) |
| 238 |
{ |
253 |
{ |
| 239 |
if (throughput < 133 || throughput > 135) |
254 |
if (throughput < 133 || throughput > 135) |
| 240 |
{ |
255 |
{ |