[ns] Scenario generation in NS-2
Hello guys, Does any one knows how to generate scenarios in which the initial positions of the nodes are the same, only the moving speed is different? Any comment is welcomed! Thanks in advance! Cheers! Pandita
[ns] error in bcast protocol
hi every one,
I am trying to simulate the bcast protocol orginally it is for ns2.27 but i am
trying to run it under ns2.34 but I got those error I hope you can help me in
this issue.
this is the error:
In file included from ./bcast/bcast.h:63,
from ./bcast/bcast_packet.h:63,
from trace/cmu-trace.cc:55:
./bcast/bcast_queue.h:49: error: expected ‘)’ before ‘*’ token
trace/cmu-trace.cc:1631: error: expected ‘}’ at end of input
trace/cmu-trace.cc:1631: error: expected unqualified-id at end of input
make: *** [trace/cmu-trace.o] Error 1
this is the ln 49 of bcast_gueue.h:
BCASTHandler(BCAST *a) : agent(a) {LIST_INIT(&pbcasts); no_bcasts=0;}
Thanx in advance,
Bodoor
[ns] NS-2 WIMAX HANDOVER PROJECYT
Greetings all . i want to do some sinaro regarding Mobile wimax handover and i don't have a lot of experiences in ns-2 and im really in a bad time . so if there is anyone can help me with that i will be very thankful , and i can pay for it too , just please help me please how ever can help me with this project i can pay for it thank you very much regrades
[ns] Error in classifier when enforcing the destination of the packets
Hi everyone,
I'm trying to redirect packets from source to (another destination) in routing
layer, but this error appear, any one have any idea?
current number of current packet inside (rt_resolve) is (1)---
Classfier::no-slot{} default handler (tcl/lib/ns-lib.tcl) --- _o80: no target
for slot 0 _o80 type: Classifier/Portcontent dump:classifier _o80 0
offset0 shift 2147483647 mask 1 slots slot 255: _o82
(CMUTrace/Recv)-- Finished standard no-slot{} default handler --
[ns] Wiamx Simulation Script Problem
Hello everyone,
I need some help regarding wimax simulation.
I
have written a wimax simulation script with 2 base stations. My
flow is something like this :
WL(0) --> BS(0) ---> BS(1)
---> WL(3).
But my code is always skipping BS(1). I am not
getting the problem. Can you help me in this regard?
I am using NIST Wimax Patch and using NS 2.31.
Thanks in
advance..
My code is below:
# Test file for wimax
#
Topology scenario:
#
# |-| |-|
#
; 0.0.1 | MN1 | | MN2 | ; 0.0.2
#
|-| |-|
#
#
# (^) (^)
#
| |
# |---|
#
|
Base Station 1| ; 0.0.0
# |---|
#
(^)
# |
(V)
# |---|
# | Base
Station 2| ; 1.0.0
# |---|
#
| |
# (V) (V)
#
#
#
|-| |-|
# ; 1.0.1 | MN3 | | MN4
| ; 1.0.2
# |-| |-|
#
#
#check
input parameters
if {$argc != 0} {
puts ""
puts "Wrong
Number of Arguments! No arguments in this topology"
puts ""
exit (1)
}
# set global variables
set nb_mn 4
;# max number
of mobile node
#set packet_size 1500 ;# packet size in
bytes at CBR applications
set output_dir .
set gap_size 1
;#compute gap size between packets
puts "gap size=$gap_size"
#set
traffic_start 100
#set traffic_stop 200
set simulation_stop 210
#define
debug values
Mac/802_16 set debug_ 1
Mac/802_16 set rtg_ 20
Mac/802_16
set ttg_ 20
Mac/802_16 set frame_duration_ 0.004
Mac/802_16 set
client_timeout_ 110 ;#to avoid BS disconnecting the SS since the traffic
starts a 10s
Phy/WirelessPhy/OFDM set g_ 0.25
#define
coverage area for base station: 20m coverage
Phy/WirelessPhy set Pt_
0.025
#Phy/WirelessPhy set freq_ 2412e+6
#Phy/WirelessPhy set
RXThresh_ 2.90781e-09
Phy/WirelessPhy set RXThresh_ 2.025e-12 ;#500m
radius
Phy/WirelessPhy set CSThresh_ [expr 0.9*[Phy/WirelessPhy set
RXThresh_]]
# Parameter for
wireless nodes
set opt(chan) Channel/WirelessChannel ;#
channel type
set opt(prop) Propagation/TwoRayGround ;#
radio-propagation model
set opt(netif)
Phy/WirelessPhy/OFDM ;# network interface type
set
opt(mac) Mac/802_16/BS ;# MAC type
set
opt(ifq) Queue/DropTail/PriQueue ;# interface queue type
set
opt(ll)
LL ;# link layer type
set
opt(ant) Antenna/OmniAntenna ;# antenna model
set
opt(ifqlen) 50 ;# max packet in ifq
set
opt(adhocRouting) DSDV ;# routing protocol
set
opt(x) 1100 ;# X dimension of the topography
set
opt(y) 1100
;# Y dimension of the topography
Mac/802_11 set
basicRate_ 11Mb
Mac/802_11 set dataRate_ 11Mb
Mac/802_11 set
bandwidth_ 11Mb
#defines function for flushing and closing files
proc
finish {} {
global ns tf ntf output_dir nb_mn
$ns
flush-trace
close $tf
close $ntf
exec nam
cubic_4_node_2_bs.nam &
exit 0
}
#create the
simulator
set ns [new Simulator]
$ns use-newtrace
#create
the topography
set topo [new Topography]
$topo load_flatgrid
$opt(x) $opt(y)
#puts "Topology created"
#open file for trace
set
tf [open $output_dir/cubic_4_node_2_bs.tr w]
$ns trace-all $tf
#puts
"Output file configured"
#Open file for
Nam Trace
set ntf [open $output_dir/cubic_4_node_2_bs.nam w]
$ns
namtrace-all-wireless $ntf $opt(x) $opt(y)
set winfile1 [open
cubic_2_bs_WinFile_0_3 w]
# set up for hierarchical routing
(needed for routing over a basestation)
#puts "start hierarchical
addressing"
$ns node-config -addressType hierarchical
AddrParams
set domain_num_ 2 ;# domain number
lappend
cluster_num 1 1 ;# cluster number for each domain
AddrParams set cluster_num_ $cluster_num
lappend eilastlevel 3
3 ;# number of nodes for each cluster (2 mobile nodes + 1 base
station)
AddrParams set nodes_num_ $eilastlevel
puts
"Configuration of hierarchical addressing
done"
# Create God
create-god [expr ($nb_mn + 2)]
;# nb_mn + 2 (2 base stations and mobile nodes)
#puts "God node
created"
#creates the Access Point (Base station)
$ns
node-config -adhocRouting $opt(adhocRouting) \
-llType $opt(ll) \
-macType Mac/802_16/BS \
-ifqType $opt(ifq) \
-ifqLen $opt(ifqlen) \
-antType $opt(ant)
\
-propType $opt(prop) \
-phyType $opt(netif) \
-channel [new $opt(chan)] \
-topoInstance $topo \
-wiredRouting ON \
