[ns] Packet drop due to Queue Full

2009-02-03 Thread Mohit Tahiliani
Hello Everyone,   I am able to calculate the number of drop packets due to queue being full through C++ code. Everything is working fine except that I cannot determine that the number of drop packets are related to which Link (or queue).   I have seven links (hence seven queues) and the number o

[ns] where and how to set Transmission rate?

2009-02-03 Thread kassahun Endris
Hi! In my wireless ns2 simulation scenario the Transmission rate is 128 kbps/flow. Is there anyone have an idea where and how to set this value? thank you in advance. regards, kasspro

[ns] 802.11 xRetryLimit_ implementations incorrect

2009-02-03 Thread Ren.Liu
The 802.11 implementations of ShortRetryLimit_ and LongRetryLimit_ are incorrect: if you set the ShortRetryLimit_ to 7, you would expect the STA to retry for 7 times (total number of transmissions of 8). However, ns-2.33 STA only retransmits 6 times (total number of transmissions of 7). The sam

[ns] node joins in NS2

2009-02-03 Thread Nadine Chen
Hi all, At the beginning of my simulation I have a set of nodes, and after some time, I need that other nodes join my network, but I don't know how should I write in tcl file to make a new node join the network. So please help me . Thanks a lot for your help.

Re: [ns] plot offered load vs. throughput

2009-02-03 Thread Mohammed Abu Hajar
Dear Camilla, I didn't use Tracegraph software in details, but if you want to use it, try fellow installtion steps of the package and try to plot some simple example to become more familiar with the package and to understand how to deal with it(how to extract output, how to justify it and...)

[ns] Sensing Capabilit of Sensor Nodes in ns2

2009-02-03 Thread Arslan Munir
Hi all, I am trying to simulate sensor nodes in ns2. I am sure that many people in the community use ns2 for modeling sensor nodes. I just want to ask what they use to simulate the sensing capability of sensor node. How do they set the sensing frequency of a sensor node. Please let me know if

[ns] [bug] exec xgraph could not find file or directory

2009-02-03 Thread saroj
[Bug Report] - Category: Other Package: ns ns2.33 OS:centos Environment Variables: LD_LIBRARY_PATH= TCL_LIBRARY= TK_LIBRARY= - Description: Description of Problem: How to view graph in ns2.33 on centos linux system How Easily

[ns] Mean idle time

2009-02-03 Thread Vinh Pham
Hello everyone. I hope someone can give me some idea on how to implement mean idle time in mac-802_11.cc. To explain this in detail, from the node under consideration point of view, hereby referred as station, the medium is sometimes idle and sometimes busy. Given a time window T, we want to

[ns] Re : How a mobile node detects a new AP

2009-02-03 Thread Mazen TLAIS
I have the same problem. I want to detect a new base station, and then to attach the mobile node to the new base station. Many thanks for any help Mazen --- En date de : Mar 3.2.09, Spyros Marinis a écrit : De: Spyros Marinis Objet: [ns] How a mobile node detects a new AP À: ns-users@ISI.EDU

[ns] How a mobile node detects a new AP

2009-02-03 Thread Spyros Marinis
Hi everybody! I want to know how a mobile node can detect that it has come to the area covered by a new base station. How can I  measure the power of the signal received by the mobile node from an access point, either the old one that currently uses to transmit data, or the new one?? I know the im

[ns] Got error in trace file

2009-02-03 Thread Rainn
Dear All, I got a problem in my trace file and while running awk code to get result an error looks like follows; awk: getresult.awk:58: (FILENAME=trace.tr FNR=243499) fatal: division by zero attempted Could anyone please help me to figure it out. Thank you in advance! Good luck * Rainn

[ns] Accessing energy_model()

2009-02-03 Thread fhg07
Well, I have instantiated a MobileNode object, and I really need to access its energy_model() functions, however, energy_model() points to NULL. Here is a piece of MyAgent::command() in my C++ code: 119 if (strcasecmp(argv[1], "energy_ammount")==0) { 120 node = (MobileNode*) MobileNode:

[ns] Coverage of a University campus using WMN with 802.11s

2009-02-03 Thread Diego Dalmasso
Hello, I'm doing a research on 802.11s. I need to study the performance of a scenario that permits to cover a university campus. MPP (Mesh Portal): composed by 2 part. A interface that communicate with the wired internet and another that uses 802.11s to communicate with MPs. MP (Mesh Point): uses

[ns] How to retrieve the signal strength from a Wi-Fi card?

2009-02-03 Thread rafiza
Hi ns-users, I need to use NS2 to retrieve the signal strength from a Wi-fi card. Can anyone help me to solve my problem? Thanks in advance. Regards, Rafiza.