RTS/CTS threshold

[Yalda Edalat]

Hi,

I want to change the RTS/CTS threshold for every single packet. Is it possible? I have a text file with a column of the threshold. How can I feed it to the RTS/CTS threshold?

I really appreciate your help.

Thanks

[Varun Reddy]

  //Enable RTS/CTS
  Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("100"));

[Yalda Edalat]

Thanks, but I want to have different threshold for different nodes.

Any idea?!!

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[Varun Reddy]

For that I guess you'll have to meddle with the src/wifi/model/wifi-remote-station-manager.cc/h files.

Varun

On Wednesday, 6 September 2017 13:56:01 UTC-4, Yalda Edalat wrote:

Thanks, but I want to have different threshold for different nodes.

Any idea?!!

On Wed, Sep 6, 2017 at 7:56 AM, Varun Reddy <varunam...@gmail.com> wrote:

  //Enable RTS/CTS
  Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("100"));

On Tuesday, 5 September 2017 15:59:15 UTC-4, Yalda Edalat wrote:

Hi,

I want to change the RTS/CTS threshold for every single packet. Is it possible? I have a text file with a column of the threshold. How can I feed it to the RTS/CTS threshold?

I really appreciate your help.

Thanks

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[Francisco Eduardo Balart Sanchez]

Good day:

So, in your test you get to put a phy and mac in the node via wifihelper (example below)

devices = wifi.Install (wifiPhy, wifiMac, c);

Then you have created WifiNetDevices and therefore

Then for each node (there are several methods to get the node like get(numberofnode), etc)

you will need to grab their remote station manager with the function

GetRemoteStationManager

https://www.nsnam.org/doxygen/classns3_1_1_wifi_net_device.html#a8b8bb06504a6d76552dd626103b1e5fd

which returns m_stationManager

Which is a pointer so the code mike look something like this (depending if the wifi net device is a pointer or not you use . or ->)

YourWifiNetDeviceNode0->GetRemoteStationManager()-> SetRtsCtsThreshold(0)  to enable it always
YourWifiNetDeviceNode0->GetRemoteStationManager()-> SetRtsCtsThreshold(99999)  to disable it

https://www.nsnam.org/doxygen/classns3_1_1_wifi_remote_station_manager.html#a2775597e5f338539ee99d12760df5d31

As Varun mentions, not sure if there is only 1 remotestationmanager for all wifinodes or one per node, you will need to check that in the install from the wifi helper

https://www.nsnam.org/doxygen/wifi-helper_8cc.html

Hope it helps a little bit

Regards

Eduardo

[Rediet]

Hello,

In reply to Eduardo's interrogation, there is one WifiRemoteStationManager per station. However, the same threshold will be used for all destination stations.

Rediet

[Yalda Edalat]

Is  "WifiRemoteStationManager::GetRtsCtsThreshold (Mac48Address address)" The correct place to set the threshold?

I want to change the rts/cts threshold for every single packet. Should I put my changes in "GetRtsCtsThreshold"?

I want to make sure that when a packet is going to be sent, it first get the threshold from this function. Am I right?

Thanks

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[Rediet]

Hello Yalda,

This method seems to be the place to modify it (or even NeedRts since you have additional information that are passed as arguments). However, I'm quite surprised by your method's signature; in 3.26 and dev it takes no arguments...

Rediet

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