error model is used.
Thanks,
Regards
- Original Message -
Expéditeur: Fazlullah Khan
à: ns-users
Sujet: [ns] Error Model
Date: Mon, 26 Nov 2012 11:46:52 +0900
> Hi everybody!
> How to add NS2 built-in Error Models in Wireless Networks.
> I followed the NS example and some other
Hi everybody!
How to add NS2 built-in Error Models in Wireless Networks. I followed the
NS example and some other tutorials but could not implement it.
--
Regards
Fazlullah Khan
Department of Electrical Electronics and Information Engineering,
Nagaoka University of Technology, Nagaoka-shi, Niiga
hi everybody
i want to add error model to my script file for simulating the packet loss in
wireless scenario
but the instruction of ns manual for adding error model for wireless scenario
does not work and actually does not have any effect in the simulation. these
command which are said in ns ma
Does anybody have an error model for AODV or DSDV that works.
Best Regards
Mike
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Hi friends
can any body have the source code which implements the packet dropping error
model in MANET.
Please friends i need it urgently. if you provide that code i will be very
thankful to you
--
Your's Rams
Hi
please i need your help i d like to understand what is the meaning of this
procedure,i have integrate it in my TCL script and i have seen that when i
change the value of the rate the rate of received and lost packet change?
So please i d like to know what this rate present?is it the rate of err
Hi there,
i try to search for a way to disable link and i come across of error
model. In wired network, the link is predetermined and we can easily
insert this command, let say for to create an error link between node
1 and 2:
$ns link-lossmodel $em $n0 $n1
How about for static wireless netwo
How do I simulate using error model in 802.15.4 in ns2?
I inserted error model (ch13 in ns2 manual) and ran it. Invalid command name
IncomingErrProc ...
Is error model connected to only 802.11?
Please help me.
d"}
puts "Start Simulation..."
# run the simulation$ns run# end of code
Date: Sat, 26 Jul 2008 19:15:11 +0100From: [EMAIL PROTECTED]: [EMAIL
PROTECTED]: Re: [ns] Error model in wireless networkCC: ns-users@isi.edu
Try this$n
Hi ns users,
I try to add some drops in wireless links following the methode of ns manual
: IncomingErrProc and OutgoingErrProc.
proc UniformErr {} {
set err [new ErrorModel]
$err unit packet
$err rate_ 0.01
return $err
}
$ns node-config -IncomingErrProc UniformErr -OutgoingErrProc UniformErr
Dear ns2 users,
I am trying to simulation a lossy link in a wireless environment using
the ErrorModel. However the code I inserted to simulate a uniform
packet loss has no effect on my results (see below). Can anybody tell me,
what's wrong with me. I am using version 2.29.
# simple-wireless.tc
Dear ns-users,
May I know how I could specify error models between a base
station and a wireless node? I know how to do this for wired nodes but
specifying the error model for a link, but is there any way to do
something similar for wireless nodes?
I added the following lines in my TCL s
Dear ns-users,
May I know how I could specify error models between a base
station and a wireless node? I know how to do this for wired nodes but
specifying the error model for a link, but is there any way to do
something similar for wireless nodes?
I added the following lines in my TCL s
I'm trying to model a typical network for wireless communications and I
want to model the errors in the network using ns2 as a simulator. How do
you insert an error model into the simulation? I've looked up the notes
and documentation but I'm still lost as to how it is done. Can someone
tell me ho
What is the difference between an error model and a loss model? I want to
maliciously drop packets over a wireless link and am not sure how to do
this. Could someone please help?
Thanks
Hi!
i am trying to incorporate an error model in wireless scenario.
can anyone help me out.
i actually want to make a node error node which start dropping
p[ackets at a predefined time or during transmission.
-
Never miss a thing. Mak
hello,
I have having problems with error model attachment in a umts scenario. I
followed the eurane user guide 1.6:
set em [new ErrorModel]
$em unit pkt
$em set rate 0.02
$em ranvar [new RandomVariable/Uniform]
$ue1 interface-errormodel $em 2
ue1 is a umts node with dch channel, cbr applicati
Dear NS users,
Specifying the rate_ gives me the indication that the error will be constant?
True?
Then the random operation by ranvar, how does it effect the error model!!!
The ns manual said: ranvar to specify the random variable for generating
errors? thus what is the role of rate_
I need u
Hello Qadous,
I have used the tcl script below to test the error modeling. I am using
ns-2.29 and when I increase the value of rate_ from 0 to 0.05 I get more
duplicated packets, and collisions, which is a result of transmission
errors.
>I used the following command to specify the Error mode
Dear ns-users,
I would like to thank Mr. Svilen Ivanov for his help.
I inserted Mr. Svilen's code in my code as it is, and I monitored the output but
I got nothing or changes.
I used the following command to specify the Error model for mobile node.
$ns_ node-config ErrProc -Incoming ErrProc "U
Hello,
the attached example script is for network emulation, but you should be
able to use the error modeling for a simulation as well.
The lines 55 - 62 create an object in each node for error modeling. It
drops 1 percent of the packets.
proc UniformErr {} {
set err [new ErrorModel]
Dear ns users,
Would you please send me examples for Error modeling in ns-22.9.
how to model that with wireless nodes.
The ns tutorial is not good enough.
thank you in advance.
Regards
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