Hi Dave,
You may find some help from this article:
Just google and type
Simulate 802.11b Channel within NS2
All the best
-Manish
David Emekihia <[EMAIL PROTECTED]> wrote:
Hi all,
Does any one have an idea on how an IEEE 802.20 0r 802.11 or any other channel
can me modelled/simulated? Please, I need your help as I am running against
time in my dissertation work.
Thank you.
Regards
Dave
Renata Vidal wrote:
Thanks ggeorgak, I think I was confusing the concepts so now I can
simulate without erros.
Thanks again
On 8/11/06, [EMAIL PROTECTED] wrote:
>
> I can't debug your problem but from what I understand by looking the
> source code
> and using ns attach-agent is used to bind an Agent object to source generators
> or sinks. For example:
>
> set tcp [new Agent/TCP]
> $ns attach-agent $somenode %tcp
> (I think this is valid too: $somenode attach-agent $tcp)
>
> and the same applies to Applications too:
>
> set ftp [new Application/FTP]
> $ftp attach-agent $tcp
>
> Whereas connect is used to create a "virtual" connection between two agents so
> they can communicate:
>
> (Continuing from above)
> set sink [new Agent/TCPSink]
> $ns connect $tcp $sink
>
> I hope I was helpful.
>
> ggeorgak
> Quoting Renata Vidal :
>
> >
> > What's the difference among atttach-agent and connect?
> >
> > It's look like the connect is about 2 agents, and the attach-agent is about
> > node and agent. It's correct!?
> >
> > I'm experiencing the message above, it always implies with all lines with
> > "connect", so I'm doing something wrong. Any tip will be appreciated
> >
> > can't read "agent_addr_": no such variable
> > while executing
> > "subst $[subst $var]"
> > (procedure "_o19" line 5)
> > (SplitObject set line 5)
> > invoked from within
> > "$dst set agent_addr_"
> > (procedure "_o3" line 2)
> > (Simulator simplex-connect line 2)
> > invoked from within
> > "$self simplex-connect $src $dst"
> > (procedure "_o3" line 9)
> > (Simulator connect line 9)
> > invoked from within
> > "$ns connect $udp($i) $s($i)"
> > ("for" body line 10)
> > invoked from within
> > "for {set i 0} {$i < $numeroNodos} {incr i} {
> > set udp($i) [new Agent/UDP]
> > $udp($i) set packetSize_ 512
> > $udp($i) set fid_ ($i)
> > set cbr($i) [new Appl..."
> > (file "renata.tcl" line 89)
> >
> > Thanks, Renata
> > --
> > Renata Vidal
> > "Triste é o destino de quem tenta vencer as batalhas e ter sucesso nos
> > ataques sem cultivar o espírito da iniciativa (A Arte da Guerra SUN TSU
> > pg 102)"
> >
>
>
>
--
Renata Vidal
"Triste é o destino de quem tenta vencer as batalhas e ter sucesso nos
ataques sem cultivar o espírito da iniciativa (A Arte da Guerra SUN
TSU pg 102)"
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