2 mobile node can’t send the TCP packet at same time

ok.. this is my script

set seed 5555
Mac/802_16 set scan_iteration_ 2
set use_going_down 1
if {$use_going_down == 1} {
Mac/802_16 set lgd_factor_ 1.1
} else {
Mac/802_16 set lgd_factor_ 1.0
}
Mac/802_16 set scan_duration_ 4
Mac/802_16 set interleaving_interval_ 6
Mac/802_16 set dcd_interval_ 5 ;#max 10s
Mac/802_16 set ucd_interval_ 1 ;#max 10s
set default_modulation OFDM_16QAM_3_4 ;#OFDM_BPSK_1_2
set contention_size 5 ;#for initial ranging and bw
Mac/802_16 set t21_timeout_ 0.02 ;#max 10s, to replace the timer for
Mac/802_16 set client_timeout_ 0.007
Mac/802_16 set lost_ulmap_interval_ 0.76
#define frequency of RA at base station
Agent/ND set minRtrAdvInterval_ 0
Agent/ND set maxRtrAdvInterval_ 10
Agent/ND set router_lifetime_ 250
Agent/ND set minDelayBetweenRA_ 0.03
Agent/ND set maxRADelay_ 0.005
#define debug values
Agent/ND set debug_ 1
Agent/ND set send-RS 1
Agent/MIH set debug_ 1
Mac/802_16 set debug_ 0
Agent/MIHUser/IFMNGMT/MIPV6 set debug_ 1
Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1 set debug_ 1
# Handover
Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1 set case_ 3
#define coverage area for base station:
#default frequency 3.5e+9 hz
Phy/WirelessPhy set Pt_ 15
Phy/WirelessPhy set RXThresh_ 1.215e-09 ;#500m coverage
Phy/WirelessPhy set CSThresh_ [expr 0.8 *[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 ;# 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) NOAH ;# routing protocol
set opt(nbMN) 2 ;# number of Mobile Nodes
set opt(nbBS) 3 ;# number of base stations
set opt(x) 3000 ;# X dimension of the
set opt(y) 3000 ;# Y dimension of the
set opt(mnSender) 2
#Rate at which the nodes start moving
set moveStart 1.0
set moveStop 60.0
#Speed of the mobile nodes (m/sec)
set moveSpeed_0 40
set moveSpeed_1 40
set moveSpeed_2 40
set moveSpeed_3 40
set moveSpeed_4 40
#destination of the M
set X0_dst 2300
set Y0_dst 1150
set X1_dst 2300
set Y1_dst 1350
set X2_dst 2300
set Y2_dst 1400
set X3_dst 250
set Y3_dst 1200
set X4_dst 250
set Y4_dst 1460
#defines function for flushing and closing files
proc finish {} {
global ns nf tf ;#f0 f1 f2
$ns flush-trace
puts “running nam…”
exec nam out.nam &
#exec xgraph indah.tr -geometry 800×400 &
# exec xgraph out1.tr -geometry 800×400 &
# exec xgraph out2.tr -geometry 800×400 &
exit 0
}
#create the simulator
set ns [new Simulator]
#$ns use-newtrace
#create the topography
set topo [new Topography]
$topo load_flatgrid $opt(x) $opt(y)
#open file for trace
set tf [open out.tr w]
set nf [open out.nam w]
$ns trace-all $tf
$ns namtrace-all-wireless $nf $opt(x) $opt(y)
$ns use-newtrace
#**********
#set f0 [open out0.tr w] ;#for the 1st BS
#set f1 [open out1.tr w] ;#for the 2nd BS
#set f2 [open out2.tr w] ;#for the 3rd BS
#**********
# set up for hierarchical routing (needed for routing over a basestation)
$ns node-config -addressType hierarchical
AddrParams set domain_num_ 7 ;# domain number
AddrParams set cluster_num_ {1 1 1 1 1 1 1} ;# cluster
lappend tmp 1 ;# CN
lappend tmp 2 ;# router 1 & ganggu
lappend tmp 3 ;# 802.16 MNs+BS
lappend tmp 3 ;# 802.16 MNs+BS
lappend tmp 3 ;# 802.16 MNs+BS
lappend tmp 1 ;#MultifaceNode
lappend tmp 1 ;#MultifaceNode

AddrParams set nodes_num_ $tmp

# Node address for router0 and router1 are 4 and 5, respectively.
set CN [$ns node 0.0.0]
$CN set X_ 1250.0
$CN set Y_ 200.0
$CN set Z_ 0.0
$CN install-default-ifmanager
$CN label “CN”
$CN color red

set router [$ns node 1.0.0]
$router set X_ 1250
$router set Y_ 600
$router set Z_ 0
$router label “router”
$router color green

set ganggu [$ns node 1.0.1]
$ganggu set X_ 800
$ganggu set Y_ 600
$ganggu set Z_ 0
$ganggu label “BT”
$ganggu color cyan

set udp1 [new Agent/UDP]
$ns attach-agent $ganggu $udp1
set cbr1 [new Application/Traffic/CBR]
#$cbr1 set packetSize_ 500
$cbr1 set rate_ 64 Kb
$cbr1 set interval_ 0.003
#$cbr1 set maxpkts_ 200000
$cbr1 attach-agent $udp1
set null1 [new Agent/LossMonitor]
$ns attach-agent $CN $null1
$ns connect $udp1 $null1

set udp2 [new Agent/UDP]
$ns attach-agent $router $udp2
set cbr2 [new Application/Traffic/CBR]
#$cbr2 set packetSize_ 500
$cbr2 set rate_ 64 Kb
$cbr2 set interval_ 0.009
#$cbr2 set maxpkts_ 200000
$cbr2 attach-agent $udp1
set null2 [new Agent/LossMonitor]
$ns attach-agent $CN $null2
$ns connect $udp2 $null2

# connect links
$ns duplex-link $router $CN 2Mb 0.00339ms DropTail 1000
$ns duplex-link $router $ganggu 2Mb 0.00339ms DropTail 1000

# Create God
create-god [expr ($opt(nbMN) + $opt(nbBS))]
# Create multi-interface node
$ns node-config -multiIf ON
#set multiFaceNode_0 [$ns node 5.0.0]
#set multiFaceNode_1 [$ns node 6.0.0]
#set multiFaceNode_2 [$ns node 7.0.0]
set multiFaceNode_wl_0 [$ns node 5.0.0]
set multiFaceNode_wl_1 [$ns node 6.0.0]
#set multiFaceNode_wl_2 [$ns node 10.0.0]
#set multiFaceNode_wl_3 [$ns node 11.0.0]
#set multiFaceNode_wl_4 [$ns node 12.0.0]
#set multiFaceNode_wl [$ns node [expr 5+$opt(nbBS)].0.0]
$ns node-config -multiIf OFF

#creates the Access Point (Base station)
$ns node-config -adhocRouting $opt(adhocRouting)
-llType $opt(ll)
-macType $opt(mac)
-ifqType $opt(ifq)
-ifqLen $opt(ifqlen)
-antType $opt(ant)
-propType $opt(prop)
-phyType $opt(netif)
-channel [new $opt(chan)]
-topoInstance $topo
-wiredRouting ON
-agentTrace ON
-routerTrace ON
-macTrace ON

Mac/802_16 set debug_ 1
set bstation_0 [$ns node 2.0.0]
$bstation_0 random-motion 0
$bstation_0 set X_ 500
$bstation_0 set Y_ 1000
$bstation_0 set Z_ 0
$bstation_0 label “BS0”
$bstation_0 color blue
$bstation_0 shape hexagon
set clas_0 [new SDUClassifier/Dest]
[$bstation_0 set mac_(0)] add-classifier $clas_0
set bs_sched_0 [new WimaxScheduler/BS]
$bs_sched_0 set-default-modulation $default_modulation
$bs_sched_0 set-contention-size 10
[$bstation_0 set mac_(0)] set-scheduler $bs_sched_0
[$bstation_0 set mac_(0)] set-channel 0
set wimaxctrl_0 [new Agent/WimaxCtrl]
$wimaxctrl_0 set-mac [$bstation_0 set mac_(0)]
$ns attach-agent $bstation_0 $wimaxctrl_0

Mac/802_16 set debug_ 1
set bstation_1 [$ns node 3.0.0]
$bstation_1 random-motion 0
$bstation_1 set X_ 1250
$bstation_1 set Y_ 1000
$bstation_1 set Z_ 0
$bstation_1 label “BS1”
$bstation_1 color blue
$bstation_1 shape hexagon
set clas_1 [new SDUClassifier/Dest]
[$bstation_1 set mac_(0)] add-classifier $clas_1
set bs_sched_1 [new WimaxScheduler/BS]
$bs_sched_1 set-default-modulation $default_modulation
$bs_sched_1 set-contention-size 10
[$bstation_1 set mac_(0)] set-scheduler $bs_sched_1
[$bstation_1 set mac_(0)] set-channel 2
set wimaxctrl_1 [new Agent/WimaxCtrl]
$wimaxctrl_1 set-mac [$bstation_1 set mac_(0)]
$ns attach-agent $bstation_1 $wimaxctrl_1

Mac/802_16 set debug_ 1
set bstation_2 [$ns node 4.0.0]
$bstation_2 random-motion 0
$bstation_2 set X_ 2000
$bstation_2 set Y_ 1000
$bstation_2 set Z_ 0
$bstation_2 label “BS2”
$bstation_2 color blue
$bstation_2 shape hexagon
set clas_2 [new SDUClassifier/Dest]
[$bstation_2 set mac_(0)] add-classifier $clas_2
set bs_sched_2 [new WimaxScheduler/BS]
$bs_sched_2 set-default-modulation $default_modulation
$bs_sched_2 set-contention-size 10
[$bstation_2 set mac_(0)] set-scheduler $bs_sched_2
[$bstation_2 set mac_(0)] set-channel 4
set wimaxctrl_2 [new Agent/WimaxCtrl]
$wimaxctrl_2 set-mac [$bstation_2 set mac_(0)]
$ns attach-agent $bstation_2 $wimaxctrl_2

$wimaxctrl_0 add-neighbor [$bstation_1 set mac_(0)] $bstation_1
$wimaxctrl_0 add-neighbor [$bstation_2 set mac_(0)] $bstation_2
$wimaxctrl_1 add-neighbor [$bstation_2 set mac_(0)] $bstation_2
$wimaxctrl_1 add-neighbor [$bstation_0 set mac_(0)] $bstation_0
$wimaxctrl_2 add-neighbor [$bstation_1 set mac_(0)] $bstation_1
$wimaxctrl_2 add-neighbor [$bstation_0 set mac_(0)] $bstation_0

$ns node-config -wiredRouting OFF
-macTrace ON ;# Mobile nodes cannot do routing.

#configure the MOBILE NODE
Mac/802_16 set debug_ 1
set wl_node_0 [$ns node 2.0.1]
$wl_node_0 random-motion 1
# create the node with given @.$wl_node_0 random-motion 0 ;# disable random
$wl_node_0 base-station [AddrParams addr2id [$bstation_0 node-addr]] ;#
$wl_node_0 set X_ 250
$wl_node_0 set Y_ 1150
$wl_node_0 set Z_ 0
$wl_node_0 label “satu”
set clas_wl_0 [new SDUClassifier/Dest]
[$wl_node_0 set mac_(0)] add-classifier $clas_wl_0
#set the scheduler for the node. Must be changed to -shed [new $opt(sched)]
set ss_sched_wl_0 [new WimaxScheduler/SS]
[$wl_node_0 set mac_(0)] set-scheduler $ss_sched_wl_0
$wl_node_0 set mac_(0)] set-channel 0
$multiFaceNode_wl_0 add-interface-node $wl_node_0

set nd_mn_wl_0 [$wl_node_0 install-nd]
set handover_wl_0 [new Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1]
$multiFaceNode_wl_0 install-ifmanager $handover_wl_0
$nd_mn_wl_0 set-ifmanager $handover_wl_0

# install MIH in multi-interface node
set mih_wl_0 [$multiFaceNode_wl_0 install-mih]
$handover_wl_0 connect-mih $mih_wl_0
set tmp_wl_0 [$wl_node_0 set mac_(0)]
$handover_wl_0 nd_mac $nd_mn_wl_0 $tmp_wl_0
$tmp_wl_0 mih $mih_wl_0
$mih_wl_0 add-mac $tmp_wl_0

#configure the MOBILE NODE
Mac/802_16 set debug_ 1
set wl_node_1 [$ns node 2.0.2]
$wl_node_1 random-motion 5
# create the node with given @.$wl_node_0 random-motion 0 ;# disable random
$wl_node_1 base-station [AddrParams addr2id [$bstation_0 node-addr]] ;#
$wl_node_1 set X_ 250
$wl_node_1 set Y_ 1170
$wl_node_1 set Z_ 0
$wl_node_1 label “dua”
set clas_wl_1 [new SDUClassifier/Dest]
[$wl_node_1 set mac_(0)] add-classifier $clas_wl_1
#set the scheduler for the node. Must be changed to -shed [new $opt(sched)]
set ss_sched_wl_1 [new WimaxScheduler/SS]
[$wl_node_1 set mac_(0)] set-scheduler $ss_sched_wl_1
[$wl_node_1 set mac_(0)] set-channel 0
$multiFaceNode_wl_1 add-interface-node $wl_node_1

set nd_mn_wl_1 [$wl_node_1 install-nd]
set handover_wl_1 [new Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1]
$multiFaceNode_wl_1 install-ifmanager $handover_wl_1
$nd_mn_wl_1 set-ifmanager $handover_wl_1

# install MIH in multi-interface node
set mih_wl_1 [$multiFaceNode_wl_1 install-mih]
$handover_wl_1 connect-mih $mih_wl_1
set tmp_wl_1 [$wl_node_1 set mac_(0)]
$handover_wl_1 nd_mac $nd_mn_wl_1 $tmp_wl_1
$tmp_wl_1 mih $mih_wl_1
$mih_wl_1 add-mac $tmp_wl_1

#configure the MOBILE NODE
#Mac/802_16 set debug_ 1
#set wl_node_2 [$ns node 2.0.4]
# create the node with given @.
#$wl_node_2 random-motion 0 ;# disable random
#$wl_node_2 base-station [AddrParams addr2id [$bstation_0 node-addr]] ;#
#$wl_node_2 set X_ 250
#$wl_node_2 set Y_ 1400
#$wl_node_2 set Z_ 0.0
#$wl_node_2 label “tiga”
#set clas_wl_2 [new SDUClassifier/Dest]
#[$wl_node_2 set mac_(0)] add-classifier $clas_wl_2
#set the scheduler for the node. Must be changed to -shed [new $opt(sched)]
#set ss_sched_wl_2 [new WimaxScheduler/SS]
#[$wl_node_2 set mac_(0)] set-scheduler $ss_sched_wl_2
#[$wl_node_2 set mac_(0)] set-channel 0
#$multiFaceNode_wl_2 add-interface-node $wl_node_2

#set nd_mn_wl_2 [$wl_node_2 install-nd]
#set handover_wl_2 [new Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1]
#$multiFaceNode_wl_2 install-ifmanager $handover_wl_2
#$nd_mn_wl_2 set-ifmanager $handover_wl_2

# install MIH in multi-interface node
#set mih_wl_2 [$multiFaceNode_wl_2 install-mih]
#$handover_wl_2 connect-mih $mih_wl_2
#set tmp_wl_2 [$wl_node_2 set mac_(0)]
#$handover_wl_2 nd_mac $nd_mn_wl_2 $tmp_wl_2
#$tmp_wl_2 mih $mih_wl_2
#$mih_wl_2 add-mac $tmp_wl_2

#configure the MOBILE NODE
#Mac/802_16 set debug_ 1
#set wl_node_3 [$ns node 4.0.2]
# create the node with given @.
#$wl_node_3 random-motion 0 ;# disable random
#$wl_node_3 base-station [AddrParams addr2id [$bstation_2 node-addr]] ;#
#$wl_node_3 set X_ 2300
#$wl_node_3 set Y_ 1200
#$wl_node_3 set Z_ 0.0
#$wl_node_3 label “empat”
#set clas_wl_3 [new SDUClassifier/Dest]
#[$wl_node_3 set mac_(0)] add-classifier $clas_wl_3
#set the scheduler for the node. Must be changed to -shed [new $opt(sched)]
#set ss_sched_wl_3 [new WimaxScheduler/SS]
#[$wl_node_3 set mac_(0)] set-scheduler $ss_sched_wl_3
#[$wl_node_3 set mac_(0)] set-channel 0
#$multiFaceNode_wl_3 add-interface-node $wl_node_3

#set nd_mn_wl_3 [$wl_node_3 install-nd]
#set handover_wl_3 [new Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1]
#$multiFaceNode_wl_3 install-ifmanager $handover_wl_3
#$nd_mn_wl_3 set-ifmanager $handover_wl_3

# install MIH in multi-interface node
#set mih_wl_3 [$multiFaceNode_wl_3 install-mih]
#$handover_wl_3 connect-mih $mih_wl_3
#set tmp_wl_3 [$wl_node_3 set mac_(0)]
#$handover_wl_3 nd_mac $nd_mn_wl_3 $tmp_wl_3
#$tmp_wl_3 mih $mih_wl_3
#$mih_wl_3 add-mac $tmp_wl_3

#configure the MOBILE NODE
#Mac/802_16 set debug_ 1
#set wl_node_4 [$ns node 4.0.3]
# create the node with given @.
#$wl_node_4 random-motion 0 ;# disable random
#$wl_node_4 base-station [AddrParams addr2id [$bstation_2 node-addr]] ;#
#$wl_node_4 set X_ 2300
#$wl_node_4 set Y_ 1460
#$wl_node_4 set Z_ 0.0
#$wl_node_4 label “lima”
#set clas_wl_4 [new SDUClassifier/Dest]
#[$wl_node_4 set mac_(0)] add-classifier $clas_wl_4
#set the scheduler for the node. Must be changed to -shed [new $opt(sched)]
#set ss_sched_wl_4 [new WimaxScheduler/SS]
#[$wl_node_4 set mac_(0)] set-scheduler $ss_sched_wl_4
#[$wl_node_4 set mac_(0)] set-channel 0
#$multiFaceNode_wl_4 add-interface-node $wl_node_4

#set nd_mn_wl_4 [$wl_node_4 install-nd]
#set handover_wl_4 [new Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1]
#$multiFaceNode_wl_4 install-ifmanager $handover_wl_4
#$nd_mn_wl_4 set-ifmanager $handover_wl_4

# install MIH in multi-interface node
#set mih_wl_4 [$multiFaceNode_wl_4 install-mih]
#$handover_wl_4 connect-mih $mih_wl_4
#set tmp_wl_4 [$wl_node_4 set mac_(0)]
#$handover_wl_4 nd_mac $nd_mn_wl_4 $tmp_wl_4
#$tmp_wl_4 mih $mih_wl_4
#$mih_wl_4 add-mac $tmp_wl_4

# configure each Base station 802.16
set nd_bs_0 [$bstation_0 install-nd]
$nd_bs_0 set-router TRUE
$nd_bs_0 router-lifetime 250
$ns at 1 “$nd_bs_0 start-ra”
set mih_bs_0 [$bstation_0 install-mih]
set tmp2_0 [$bstation_0 set mac_(0)] ;#in 802.16 one interface is created
$tmp2_0 mih $mih_bs_0
$mih_bs_0 add-mac $tmp2_0

set nd_bs_1 [$bstation_1 install-nd]
$nd_bs_1 set-router TRUE
$nd_bs_1 router-lifetime 250
$ns at 1 “$nd_bs_1 start-ra”
set mih_bs_1 [$bstation_1 install-mih]
set tmp2_1 [$bstation_1 set mac_(0)] ;#in 802.16 one interface is created
$tmp2_1 mih $mih_bs_1
$mih_bs_1 add-mac $tmp2_1

set nd_bs_2 [$bstation_2 install-nd]
$nd_bs_2 set-router TRUE
$nd_bs_2 router-lifetime 250
$ns at 1 “$nd_bs_2 start-ra”
set mih_bs_2 [$bstation_2 install-mih]
set tmp2_2 [$bstation_2 set mac_(0)] ;#in 802.16 one interface is created
$tmp2_2 mih $mih_bs_2
$mih_bs_2 add-mac $tmp2_2

# add link to backbone
$ns duplex-link $bstation_0 $router 100Mb 1ms DropTail 1000
$ns duplex-link $bstation_1 $router 100Mb 1ms DropTail 1000
$ns duplex-link $bstation_2 $router 100Mb 1ms DropTail 1000

#***************************

#setup sender side
set tcp_0 [new Agent/TCP/Linux]
#tcp_0 set window_ 128
$tcp_0 set flow_ 0
$tcp_0 set class_ 0
$ns color 0 green
$tcp_0 set timestamps_ true
$ns at 0 “$tcp_0 select_ca newreno”
#$tcp_0 set packetSize_ 1000
$ns attach-agent $wl_node_0 $tcp_0

#setup sender side
set tcp_1 [new Agent/TCP/Linux]
#$tcp_1 set window_ 128
$tcp_1 set fid_ 1
$tcp_1 set class_ 1
$ns color 1 blue
$tcp_1 set timestamps_ true
$tcp_1 set flow_ 1
$ns at 0 “$tcp_1 select_ca newreno”
#$tcp_1 set packetSize_ 1500
$ns attach-agent $wl_node_1 $tcp_1

#setup sender side
#set tcp_2 [new Agent/TCP/Linux]
#tcp_2 set window_ 128
#$tcp_2 set fid_ 2
#$tcp_2 set class_ 2
#$ns color 2 white
#$tcp_2 set timestamps_ true
#$tcp_2 set flow_ 2
#$ns at 2 “$tcp_2 select_ca westwood”
#tcp_2 set packetSize_ 1500
#$ns attach-agent $wl_node_2 $tcp_2

#setup sender side
#set tcp_3 [new Agent/TCP/Linux]
#$tcp_3 set fid_ 3
#tcp_3 set window_ 128
#$tcp_3 set class_ 3
#$ns color 3 cyan
#$tcp_3 set timestamps_ true
#$tcp_3 set flow_ 3
#$ns at 0 “$tcp_3 select_ca westwood”
#tcp_3 set packetSize_ 1500
#$ns attach-agent $wl_node_3 $tcp_3

#setup sender side
#set tcp_4 [new Agent/TCP/Linux]
#$tcp_4 set fid_ 4
#tcp_4 set window_ 128
#$tcp_4 set class_ 4
#$ns color 4 purple
#$tcp_4 set timestamps_ true
#$tcp_4 set flow_ 4
#$ns at 0 “$tcp_4 select_ca westwood”
#tcp_4 set packetSize_ 1500
#$ns attach-agent $wl_node_4 $tcp_4

set TCPtraceFile_0 [open indah.tr w]
$tcp_0 tracevar cwnd_
$tcp_0 attach $TCPtraceFile_0

set TCPtraceFile_1 [open rizka.tr w]
$tcp_1 tracevar cwnd_
$tcp_1 attach $TCPtraceFile_1

#set TCPtraceFile_2 [open rina.tr w]
#$tcp_2 tracevar cwnd_
#$tcp_2 attach $TCPtraceFile_2

#set TCPtraceFile_3 [open bintang.tr w]
#$tcp_3 tracevar cwnd_
#$tcp_3 attach $TCPtraceFile_3

#set TCPtraceFile_4 [open aditya.tr w]
#$tcp_4 tracevar cwnd_
#$tcp_4 attach $TCPtraceFile_4

#set up receiver side
set sink_0 [new Agent/TCPSink/Sack1]
$sink_0 set ts_echo_rfc1323_ true
$ns attach-agent $CN $sink_0

$ns attach-agent $CN $sink_0
$multiFaceNode_wl_0 attach-agent $tcp_0 $wl_node_0
$handover_wl_0 add-flow $tcp_0 $sink_0 $wl_node_0 1 2000.

set sink_1 [new Agent/TCPSink/Sack1]
$sink_1 set ts_echo_rfc1323_ true
$ns attach-agent $CN $sink_1

$ns attach-agent $CN $sink_1
#Multiface node is transmitter
$multiFaceNode_wl_1 attach-agent $tcp_1 $wl_node_1
$handover_wl_1 add-flow $tcp_1 $sink_1 $wl_node_1 1 2000.

#set sink_2 [new Agent/TCPSink/Sack1]
#$sink_2 set ts_echo_rfc1323_ true
#$ns attach-agent $CN $sink_2

# $ns attach-agent $CN $sink_2
# #Multiface node is transmitter
# $multiFaceNode_wl_2 attach-agent $tcp_2 $wl_node_2
# $handover_wl_2 add-flow $tcp_2 $sink_2 $wl_node_2 1 2000.
#
# set sink_3 [new Agent/TCPSink/Sack1]
#$sink_3 set ts_echo_rfc1323_ true
#$ns attach-agent $CN $sink_3

# $ns attach-agent $CN $sink_3
# #Multiface node is transmitter
# $multiFaceNode_wl_3 attach-agent $tcp_3 $wl_node_3
# $handover_wl_3 add-flow $tcp_3 $sink_3 $wl_node_3 1 2000.

# set sink_4 [new Agent/TCPSink/Sack1]
#$sink_4 set ts_echo_rfc1323_ true
#$ns attach-agent $CN $sink_4
# $ns attach-agent $CN $sink_4
#Multiface node is transmitter
# $multiFaceNode_wl_4 attach-agent $tcp_4 $wl_node_4
# $handover_wl_4 add-flow $tcp_4 $sink_4 $wl_node_4 1 2000.

#set up application
set ftp_0 [new Application/FTP]
$ftp_0 attach-agent $tcp_0
#ftp_0 send 500
#$ftp_0 set rate_ 24.6
#$ftp produce n ;#source akan menghasilkan ftp n paket skaligus
#$ftp producemore ;#ftp menghasilkan lebih banyak paket
#$ftp maxpkts_ 20000 Mb
$ftp_0 set type_ FTP

set ftp_1 [new Application/FTP]
$ftp_1 attach-agent $tcp_1
#ftp_1 send 500
#ftp_1 set rate_ 24.6
#$ftp produce n ;#source akan menghasilkan ftp n paket skaligus
#$ftp producemore ;#ftp menghasilkan lebih banyak paket
#$ftp maxpkts_ 20000 Mb
$ftp_1 set type_ FTP

#set ftp_2 [new Application/FTP]
#$ftp_2 attach-agent $tcp_2
#ftp_2 send 500
#ftp_2 set rate_ 24.6
#$ftp produce n ;#source akan menghasilkan ftp n paket skaligus
#$ftp producemore ;#ftp menghasilkan lebih banyak paket
#$ftp maxpkts_ 20000 Mb
#$ftp_2 set type_ FTP

#set ftp_3 [new Application/FTP]
#$ftp_3 attach-agent $tcp_3
#ftp_3 send 500
#ftp_3 set rate_ 24.6
#$ftp produce n ;#source akan menghasilkan ftp n paket skaligus
#$ftp producemore ;#ftp menghasilkan lebih banyak paket
#$ftp maxpkts_ 20000 Mb
#$ftp_3 set type_ FTP

#set ftp_4 [new Application/FTP]
#$ftp_4 attach-agent $tcp_4
#ftp_4 send 500
#ftp_4 set rate_ 24.6
#$ftp produce n ;#source akan menghasilkan ftp n paket skaligus
#$ftp producemore ;#ftp menghasilkan lebih banyak paket
#$ftp maxpkts_ 20000 Mb
#$ftp_4 set type_ FTP

$ns at 1 “$cbr1 start”
$ns at 60 “$cbr1 stop”

$ns at 1 “$cbr2 start”
$ns at 60 “$cbr2 stop”

$ns at $moveStart “$wl_node_0 setdest $X0_dst $Y0_dst $moveSpeed_0”
$ns at $moveStart “$wl_node_1 setdest 1250 1449 $moveSpeed_1”
$ns at 27.5 “$wl_node_1 setdest 2300 1175 $moveSpeed_1”
#$ns at $moveStart “$wl_node_2 setdest $X2_dst $Y2_dst $moveSpeed_2”
#$ns at $moveStart “$wl_node_3 setdest $X3_dst $Y3_dst $moveSpeed_3”
#$ns at $moveStart “$wl_node_4 setdest $X4_dst $Y4_dst $moveSpeed_4”

#Start the application 1sec before the MN is entering the WiMAX cell
#$ns at [expr $moveStart – 1] “$ftp_0 start”
#Stop the application according to another poisson distribution (note that we
#$ns at [expr $moveStop + 1] “$ftp_0 stop”

$ns at 5 “$ftp_0 start”
#Stop the application according to another poisson distribution (note that we
$ns at 60 “$ftp_0 stop”

#Start the application 1sec before the MN is entering the WiMAX cell
#$ns at [expr $moveStart – 1] “$ftp_1 start”
#Stop the application according to another poisson distribution (note that we
#$ns at [expr $moveStop + 1] “$ftp_1 stop”

$ns at 5 “$ftp_1 start”
#Stop the application according to another poisson distribution (note that we
$ns at 60 “$ftp_1 stop”

#Start the application 1sec before the MN is entering the WiMAX cell
#$ns at [expr $moveStart – 1] “$ftp_2 start”
#Stop the application according to another poisson distribution (note that we
#$ns at [expr $moveStop + 1] “$ftp_2 stop”

#Start the application 1sec before the MN is entering the WiMAX cell
#$ns at [expr $moveStart – 1] “$ftp_3 start”
#Stop the application according to another poisson distribution (note that we
#$ns at [expr $moveStop + 1] “$ftp_3 stop”

#Start the application 1sec before the MN is entering the WiMAX cell
#$ns at [expr $moveStart – 1] “$ftp_4 start”
#Stop the application according to another poisson distribution (note that we
#$ns at [expr $moveStop + 1] “$ftp_4 stop”

$ns at $moveStop “finish”
puts “Running simulation for $opt(nbMN) mobile nodes…”
$ns run
puts “Simulation done.”

thanks