[ns] ns2.35 and Ubuntu 64 bit

Dear all, Is it true that ns2 is designed only for 32 bit systems and will not work correctly under 64 bit systems? (I moved now to ns-2.35 under Ubuntu 12.04 64 bit, have anybody tried this combination?) Regards, Ghada

[ns] ns2 freeze in the middle of the run

Dear all, Have anybody faced the problem of getting ns2 frozen during simulation run? it stop in the middle of it and do not continue. Regards, Ghada

Re: [ns] Multiple channel interface

Do a small search of multi-interface multi-channel support ns-2 module, you will easily find what you want. There is the mwnode patch, and Ramon's paper provide an excellent detailed procedure to support this facility, for me I am using it since it can be added to any ns-2 version. Regards,

Re: [ns] [NS]Problem with AODV+,Please help me!

Hi, The error message format_aodv: invalid AODV packet file appears in the following function definition in the aodv.cc file: voidAODV::recvAODV(Packet *p) Simply in this function a packet is manipulated which has a type does not match with any of the case labels found in switch structure

[ns] Why routing is performed on layer 2 in IEEE 802.11s wireless mesh networks standard

Dear all, I just want to find a reasonable justfications of why the IEEE 802.11s standard have specified that routing must take place at layer 2 of the protocol stack not layer 3? and which is better routing on layer 2 or layer 3 of the protocol stack? Thanks, Ghada

[ns] Too large size trace file, is it logical!!!!

Hi all, I am facing the problem of getting very lrage size trace files from my simulation scenarios (I am using a 7x7 grid of static wireless node, each node is equipped with 5 interfaces, and one traffic flow with 1 Mbps demand, AGT, RTR , and MAC traces are set ON, simulation time is

[ns] How to calculate maximum channel utilization

Dear all, Is there a way to calculate the channel utilization from ns-2 trace file? that is which is better to let each node measure the channel utilization based on Is_idle() function at mac and record the value for each node or count the number of transmissions/receiving/forwarding of

[ns] Advice is needed regarding trace file anlaysis

Hi all, What do you think is better for analyzing ns-2 trace files, to use already exist softwares (such as Tracegraph) or to write my own scripts auch awk scripts? I have no information about awk scripts or other scripts, so I have decieded to use Tracegrpah program but it does

[ns] Performance change due to change data order in packets header: Could anybody explain???

Hi all, I have modified AODV protocol to support other routing metric than hop-count, at the final stages of performance testing I have realized the following: I have added new fields to RREQ and RREP packets, lets say I have added three quantities of type double (x, y, z) to the

[ns] Can anybody explain why this happens?? network perfromance depends on used data structure

Hi all, I have modified AODV protocol to support other routing metric than hop-count, at the final stages of performance testing I have realized the following: I have added new fields to RREQ and RREP packets, lets say I have added three quantities of type double (x, y, z) to the

[ns] 802.11a simulation

Hi all, Have anybody worked with 802.11a simulation in ns-2? if so I want to know the simulation setup that you have used, such as Pt (transmit power level), noise floor or thermal noise for the different data rates, and the error model or BER that u have implemented. Thanks alot,

[ns] Thermal noise for 802.11a data rates

Dear all, Can anybody help me to get the values of the thermal noise levels for 802.11a different data rates? I have tried to get the data sheet of Prism Indigo from intersile but I have failed. I need such values to calculate the SNR value for any recieved data packet. Thnaks,

[ns] Empirical BER vs SNR curve for 802.11a

Dear all, Can anybody help me to get an empirical BER vs SNR curve for 802.11a so I can use it to calculate PER to allow realistic wireless channel simulation as possible? Thanks, Ghada - Be a better friend, newshound, and know-it-all with

Re: [ns] BER vs SNR curve for 802.11g

Wireless LANs Daji Qiao, Sunghyun Choi, and Kang G. Shin Good luck! Edu 2008/1/12, Ghada Al-Mashaqbeh : Hi all, I want to simulate realsitic channel propagation model for 802.11g standard. I just wonder if any body has the BER vs SNR curve for 802.11g similar to the one I have found

[ns] BER vs SNR curve for 802.11g

Hi all, I want to simulate realsitic channel propagation model for 802.11g standard. I just wonder if any body has the BER vs SNR curve for 802.11g similar to the one I have found for 802.11b which is BER vs SNR curves for the Intersil HFA3861B chip, as reported in Javier del Prado Pavon

[ns] Heap Scheduler

Hi all, We all know that calendar scheduler is the default for ns-2 simulations, also it was proved that the heap scheduler is faster and better for large scale simulations. My question are there any risks or limiations on using heap scheduler or we can use it for any simulation

[ns] Traffic scene generation

Hi all, I am facing a problem in the used traffic scene within my ad hoc network. My objective is to have only 5 active connections at the same time where each connection has lasts for 40sec. below there is a part of the used traffic scene. The problem is when cbr_(2) stops a segmentation

[ns] Abour CBR in wired-cum-wireless

Dear all, I have noticed something for CBR traffic generation in wired-cum-wireless scenarios. When the source of the data packets is wired hosts the number of generated packets exceeds the expected, that is if the interval for the cbr source is 0.1 and the simulation time is 15 sec, the

[ns] Problems in data forwarding between nodes that use different routing protocols

Dear all, in my simulation scenario I have simply two wireless nodes, each node has a different routing agent, data packets sent from node 1 are not recieved at the routing agent at node 2 while any other packets types (unicast and broadcast) generated by the routing agents can be

[ns] Classfier::no-slot{} default handler (tcl/lib/ns-lib.tcl) with wired-cum-wireless scenario script

Dear all, I am running a wired-cum-wireless scenario to simulate the topology of Wireless Mesh Networks, I have 6 wired hosts, every two are belong to the same domain with a router for each domain, I have 60 mobile nodes, and 30 static wireless nodes, among the static nodes I have three

[ns] Help with wired-cum-wireless extensions of ns-2

Dear all, I am working with a scenario where four domains are connected with each other with four wired APs, each domain contains a set of static wireless nodes. However, my target is to allow a wireless node to select the AP to which it will associate based on the congestion status of

[ns] Working with Wireless Mesh Networks

Dear all, Have anybody simulated a wireless mesh network topology in which internet gateways, backbone routers and mobile clients ar incorporated in dynamic behavior? by dynamic behavior I mean that clients are not incorporated in routing thay only send data packets to the routers, also

[ns] Extended Network Simulator package (ENS).

Dear all, anybody have a copy or the websie link for the Extended Network Simulator package (ENS) used in this paper: B. Raman and C. Chebrolu. Design and Evaluation of a new MAC Protocol for Long-Distance 802.11 Mesh Networks. In Proceedings of the 11th Annual International

Re: [ns] Make failed: Command commence before first target ??!!?

position you want, and then write yourself don't copy/paste. If you don't do this process you get error. Regards On 29/09/2007, Ghada Al-Mashaqbeh [EMAIL PROTECTED] wrote: Dear all, I have added a new routing protocol module for ns-2 2.31, I have added all the needed modifications to tcl, c

Re: [ns] Make failed: Command commence before first target ??!!?

the Makefile). What can I do? Samer Bali [EMAIL PROTECTED] wrote: Also do not forget \ at the end of the line except for the last one in obj_cc list. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ghada Al-Mashaqbeh Sent: Samstag, 29. September

[ns] About Multi-interface support howto, by Ramon Aguero

Deal all, Have anybody worked with Multi-interface support howto, by Ramon Aguero and used it to support one of the routing agents that exist in ns2, e,g AODV, DSR, etc. ? If so, have you encountered the bug of 'Scheduler:: Event UID is not valid'? if so, please provide me with some

[ns] Cannot get the following paper Implementing a New Manet Unicast Routing Protocol in NS2

Dear all, I am looking for the following tutorial: Implementing a New Manet Unicast Routing Protocol in NS2 by Francisco J. Ros et al. the website of the author and the links available to get this paper cannot open with me. Can anybody attach this paper to me via email? I would

[ns] Recompiling ns-2 with 'make' does not work

Hi all, I am facing a problem with recompiling ns-2 after midifying its code, where after changing the code I run: 'make clean' 'configure' 'make' But mothing happen (i.e. no compilation takes place where ns-2 is still the one before modification, so changes does not take

Re: [ns] Modify the trace file format in ns-2

on the files, the only command additional to make, is a make clean, to resolve on dependencies! Original-Nachricht Datum: Wed, 19 Sep 2007 04:09:18 -0700 (PDT) Von: Ghada Al-Mashaqbeh An: ns-users@ISI.EDU Betreff: [ns] Modify the trace file format in ns-2 Dear all

[ns] Problem with Realistic Channel Propagation made by Wu Xiuchao

Dear all, I am using the patch available at http://nsnam.isi.edu/nsnam/index.php/Contributed_Code, which is supported by Marco Fiore, to make use of the realistic chnnel propagation module. I have installed it on ns-2.31 and I have done the failed hunks manually. When I am using this

[ns] Needing help about the real channel propagation model

Dear all, I have added your implementation of the realistic channel propagation by Wu Xiuchao for ns-2. I added the code and modify the required files then I run: make clean configure make make install. But when I attempt to use it in my code, i.e. ErrorModel80211 noise1 -91

[ns] Suggestion -- Needing help about the real channel propagation model

Dear all, I have added your implementation of the realistic channel propagation by Wu Xiuchao for ns-2. I added the code and modify the required files then I run: make clean configure make make install. But when I attempt to use it in my code, i.e. ErrorModel80211 noise1 -91

Re: [ns] Installation problem with MW-Node patch for ns-2.29.3

this information in the patch file itself. Open the patch file with any txt editor and see the changes made to classifier.cc. Usually, the original lines in the files begins with - , and the new lines (changes) begins with + or !. Best Wishes. From: Ghada Al-Mashaqbeh [mailto

[ns] Installation problem with MW-Node patch for ns-2.29.3

Dear all, I am trying to use MW-node patch with ns-2.29.3 , when I have tried to install mw-node patch for ns-2.29.3 there are many Hunks failed, I have followed the same steps announced on your website (http://www.q2s.ntnu.no/~paquerea/ns.html) but it does not work, I am using ns-2

[ns] Error while using Ricean propagation model!!

Dear all, When I am trying to test the Ricean propagation model (after I have added it to NS-2) using the following code I got the following error: can't read propInstance_: no such variable while executing . . . $ns_ set propInstance_ ... Here is the code

Re: [ns] How to add new C++ classes to NS-2 2.31?

Of Ghada Al-Mashaqbeh Sent: Dienstag, 11. September 2007 20:21 To: ns-users@ISI.EDU Subject: Re: [ns] How to add new C++ classes to NS-2 2.31? Do I must add the line mobile/Ricean.o to the Makefile or the Makefile.in then run configure then make in the ns2 directory? Is this method correct

[ns] About dei80211mr library

Dear all, I am using ns2 under windows xP SP2 using cygwin, when I have tried to install dei80211mr using the same steps on its website and after installing the dynamic library batch, I have faced the error that no dynamic libraries is supported on this system (when I have tested some

[ns] Questions about patches added to ns-2.

Dear all, I have two questions related to the patch installations on ns-2: -- If I have more than one patch to install, must I install all of them at the same time or I can do that serially at different times? -- Can I have a confliction between batches that support common

Re: [ns] How to add new C++ classes to NS-2 2.31?

disappeared, can I follow the same procedure for future additions and modifications? Thanx Leonard Tracy [EMAIL PROTECTED] wrote: ricean.o is created by adding the line mobile/ricean.o to the Makefile. Leonard On 9/10/07, Ghada Al-Mashaqbeh [EMAIL PROTECTED] wrote: OK! how to create

Re: [ns] How to add new C++ classes to NS-2 2.31?

to add mobile/Ricean.o around Line235 on Makefile in ns directory. Paste your error messages here if it doesn't work. On 9/11/07, Ghada Al-Mashaqbeh [EMAIL PROTECTED] wrote: Dear all, I am new to NS-2, and frankly I am still in the learning phase to use it in my Master Thesis, I am trying