Hello , guys can reap the handover of data between wifi and wimax ? and identify the impact that occur at the time the handover ?
if {$argc != 0} {
puts ""
puts "Wrong Number of Arguments! No arguments in this topology"
puts ""
exit (1)
}
global ns
#set debug output for components
Agent/ND set debug_ 1
Agent/MIH set debug_ 1
Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1 set debug_ 1
Agent/MIHUser/IFMNGMT/MIPV6 set debug_ 1
Agent/MIHUser/IFMNGMT set debug_ 1
Mac/802_11 set debug_ 0
Mac/802_16 set debug_ 0
#define DEBUG parameters
set quiet 0
#defines ND attributes to fit the example
Agent/ND set maxRtrAdvInterval_ 1.0
Agent/ND set minRtrAdvInterval_ 0.5
Agent/ND set minDelayBetweenRA_ 0.5
#Handover
Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1 set case_ 3
#defines ND: Neihbor discovery attributes to fit the example
Agent/ND set maxRtrAdvInterval_ 1.0
Agent/ND set minRtrAdvInterval_ 0.5
Agent/ND set minDelayBetweenRA_ 0.5
#defines function for flushing and closing files
proc finish {} {
global ns f namtrace
$ns flush-trace
close $f
exec nam outtest.nam &
close $namtrace
puts " Simulation ended."
exit 0
}
# set global variables
set output_dir .
#create the simulator
set ns [new Simulator]
$ns use-newtrace
set opt(x) 2000 ;# X dimension of the topography
set opt(y) 2000 ;# Y dimension of the topography
#create the topography
set topo [new Topography]
$topo load_flatgrid $opt(x) $opt(y)
# create God
create-god 20
puts ""
#Simulation process is written to the trace file
set f [open out.tr w]
$ns trace-all $f
set namfile [open outtest.nam w]
#$ns namtrace-all-wireless $namfile $opt(x) $opt(y)
$ns namtrace-all-wireless $namfile 2000 2000
# 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 number for each domain
AddrParams set nodes_num_ {6 6 6 6 6 6 6} ;# number of nodes for each cluster
# parameter for wireless nodes
set opt(chan) Channel/WirelessChannel ;# channel type for 802.11
set opt(prop) Propagation/TwoRayGround ;# radio-propagation model 802.11
set opt(netif) Phy/WirelessPhy ;# network interface type 802.11
set opt(mac) Mac/802_11 ;# MAC type 802.11
set opt(ifq) Queue/DropTail/PriQueue ;# interface queue type 802.11
set opt(ll) LL ;# link layer type 802.11
set opt(ant) Antenna/OmniAntenna ;# antenna model 802.11
set opt(ifqlen) 50 ;# max packet in ifq 802.11
set opt(adhocRouting) DSDV ;# routing protocol 802.11
set opt(umtsRouting) "" ;# routing for UMTS (to reset node config)
set opt(channel) [new $opt(chan)] ;# channel to be shared by all wireless nodes
#Rate at which the nodes start moving
set moveStart 10
set moveStop 130
#Speed of the mobile nodes (m/sec)
set moveSpeed 1
#origin of the MN
set X_src 40.0
set Y_src 100.0
set X_dst 160.0
set Y_dst 100.0
# creation of the Mobile Node (MutiFaceNodes). It MUST be done before the 802.11
$ns node-config -multiIf ON ;#to create MultiFaceNode
set multiFaceNode [$ns node 4.0.0]
$ns node-config -multiIf OFF ;#reset attribute
$ns at 0.05 "$multiFaceNode label "MN 5.0.0""
if {$quiet == 0} {
puts "multiFaceNode(MN) has been created"
puts ""
}
# creation of the Correspondant Node
set host0 [$ns node 1.0.1] ;# node id is 5
$ns at 0.05 "$host0 label "CN 1.0.1""
if {$quiet == 0} {
puts "host(CN) has been created"
puts ""
}
$ns set hsdschEnabled_ 1addr
$ns set hsdsch_rlc_set_ 0
$ns set hsdsch_rlc_nif_ 0
# configure RNC node
puts "________RNC Configuration________"
$ns node-config -UmtsNodeType rnc
set rnc [$ns create-Umtsnode 0.0.0] ;
$ns at 0.05 "$rnc label "RNC 0.0.0""
if {$quiet == 0} {
puts "RNC: tcl=$rnc; id=[$rnc id]; addr=[$rnc node-addr]"
puts ""
}
# configure UMTS base station
puts "________UMTS Base Station Configuration________"
$ns node-config -UmtsNodeType bs \
-downlinkBW 384kbs \
-downlinkTTI 10ms \
-uplinkBW 384kbs \
-uplinkTTI 10ms \
-hs_downlinkTTI 2ms \
-hs_downlinkBW 384kbs
set bsUMTS [$ns create-Umtsnode 0.0.1]
$ns at 0.05 "$bsUMTS label "UMTS_BS 0.0.0""
if {$quiet == 0} {
puts "UMTS_Base_Station: tcl=$bsUMTS; id=[$bsUMTS id]; addr=[$bsUMTS node-addr]"
puts ""
}
puts "----------------------------------------------"
puts ""
# connect RNC and base station
puts "Connecting RNC and Base Station..."
$ns setup-Iub $bsUMTS $rnc 622Mbit 622Mbit 15ms 15ms DummyDropTail 2000 color red
$ns node-config -UmtsNodeType ue \
-baseStation $bsUMTS \
-radioNetworkController $rnc
if {$quiet == 0} {
puts "....Connecting successfully"
puts ""
}
puts "----------------------------------------------"
puts ""
# creation of the wireless interface UMTS
set iface0 [$ns create-Umtsnode 0.0.2]
if {$quiet == 0} {
puts "iface0: tcl=$iface0; id=[$iface0 id]; addr=[$iface0 node-addr]"
puts "________iface0 created"
}
#define UMTS color
$rnc color red
$bsUMTS color red
#define coverage area for 802.11 stations: 20m coverage, Freq: 2.4Ghz
Phy/WirelessPhy set Pt_ 0.025
Phy/WirelessPhy set freq_ 2412e+6
Phy/WirelessPhy set RXThresh_ 6.12277e-09
Phy/WirelessPhy set CSThresh_ [expr 0.9*[Phy/WirelessPhy set RXThresh_]]
# configure rate for 802.11
Mac/802_11 set basicRate_ 11Mb
Mac/802_11 set dataRate_ 11Mb
Mac/802_11 set bandwidth_ 11Mb
# configure Access Points
$ns node-config -adhocRouting $opt(adhocRouting) \
-llType $opt(ll) \
-macType $opt(mac) \
-channel $opt(channel) \
-ifqType $opt(ifq) \
-ifqLen $opt(ifqlen) \
-antType $opt(ant) \
-propType $opt(prop) \
-phyType $opt(netif) \
-topoInstance $topo \
-wiredRouting ON \
-agentTrace ON \
-routerTrace OFF \
-macTrace ON \
-movementTrace OFF
# configure Base station 802.11
set bstation802_11 [$ns node 3.0.0] ;
$ns at 0.05 "$bstation802_11 label "WLAN_BS 3.0.0""
if {$quiet == 0} {
puts "WLAN Base Station_id =$bstation802_11"
}
$bstation802_11 set X_ 680.0
$bstation802_11 set Y_ 1000.0
$bstation802_11 set Z_ 0.0
# we need to set the BSS for the base station
set bstationMac [$bstation802_11 getMac 0]
set AP_ADDR_0 [$bstationMac id]
if {$quiet == 0} {
puts "Basic Service Set_id for WAN_bstation =$AP_ADDR_0"
}
$bstationMac bss_id $AP_ADDR_0
$bstationMac enable-beacon
$bstationMac set-channel 1
# creation of the wireless interface 802.11
$ns node-config -wiredRouting OFF \
-macTrace ON
set iface1 [$ns node 3.0.1] ;
$iface1 random-motion 0 ;# disable random motion
$iface1 base-station [AddrParams addr2id [$bstation802_11 node-addr]] ;#attach mn to basestation
$iface1 set X_ 480.0 ;# $iface1 set X_ $X_src
$iface1 set Y_ 1000.0 ;# $iface1 set Y_ $Y_src
$iface1 set Z_ 0.0
[$iface1 getMac 0] set-channel 1
if {$quiet == 0} {
puts "iface1: tcl=$iface1; id=[$iface1 id]; addr=[$iface1 node-addr]"
puts "________iface1 created"
}
#define WLAN color
$bstation802_11 color blue
#note: we put 16 on a different channel to avoid dealing with interferences
set opt(mac) Mac/802_16
set opt(netif) Phy/WirelessPhy/OFDM
#define coverage area for 802.16 stations:
Phy/WirelessPhy set Pt_ 0.025
Phy/WirelessPhy set RXThresh_ 2.025e-12
Phy/WirelessPhy set CSThresh_ [expr 0.9*[Phy/WirelessPhy set RXThresh_]]
$ns node-config -adhocRouting $opt(adhocRouting) \
-llType $opt(ll) \
-macType $opt(mac) \
-channel $opt(channel) \
-ifqType $opt(ifq) \
-ifqLen $opt(ifqlen) \
-antType $opt(ant) \
-propType $opt(prop) \
-phyType $opt(netif) \
-topoInstance $topo \
-wiredRouting ON \
-agentTrace ON \
-routerTrace OFF \
-macTrace ON \
-movementTrace OFF
# configure Base station 802.16
set bstation802_16 [$ns node 4.0.0] ;
$ns at 0.05 "$bstation802_16 label "WIMAX_BS 4.0.0""
if {$quiet == 0} {
puts "WIMAX Base Station_id =$bstation802_16"
}
$bstation802_16 random-motion 0
$bstation802_16 set X_ 1000
$bstation802_16 set Y_ 1000
$bstation802_16 set Z_ 0.0
puts "bstation802_16: tcl=$bstation802_16; id=[$bstation802_16 id]; addr=[$bstation802_16 node-addr]"
set clas [new SDUClassifier/Dest]
[$bstation802_16 set mac_(0)] add-classifier $clas
set bs_sched [new WimaxScheduler/BS]
[$bstation802_16 set mac_(0)] set-scheduler $bs_sched
[$bstation802_16 set mac_(0)] set-channel 1
# creation of the wireless interface 802.16
$ns node-config -wiredRouting OFF \
-macTrace ON
set iface2 [$ns node 4.0.1] ;# node id is 12.
$iface2 random-motion 0 ;# disable random motion
$iface2 base-station [AddrParams addr2id [$bstation802_16 node-addr]] ;#attach mn to basestation
$iface2 set X_ 480.0 ;# $iface1 set X_ $X_src
$iface2 set Y_ 1000.0 ;# $iface1 set Y_ $Y_src
$iface2 set Z_ 0.0
set clas [new SDUClassifier/Dest]
[$iface2 set mac_(0)] add-classifier $clas
set ss_sched [new WimaxScheduler/SS]
[$iface2 set mac_(0)] set-scheduler $ss_sched
[$iface2 set mac_(0)] set-channel 1
if {$quiet == 0} {
puts "iface2: tcl=$iface2; id=[$iface2 id]; addr=[$iface2 node-addr]"
puts "________iface2 created"
}
#define WIMAX color
$bstation802_16 color green
# add interfaces to MultiFaceNode
$multiFaceNode add-interface-node $iface0
$multiFaceNode add-interface-node $iface1
$multiFaceNode add-interface-node $iface2
# define node movement. We start from outside the coverage, cross it and leave.
$ns at 20 "$iface0 setdest 1600.0 1000.0 3.0"
# define node movement. We start from outside the coverage, cross it and leave.
$ns at 20 "$iface1 setdest 1600.0 1000.0 3.0"
# define node movement. We start from outside the coverage, cross it and leave.
$ns at 20 "$iface2 setdest 1600.0 1000.0 3.0"
puts "----------------------------------------------"
#creation of backbones
set router0 [$ns node 1.0.0]
$ns at 0.05 "$router0 label "router0 1.0.0""
if {$quiet == 0} {
puts "router0: tcl=$router0; id=[$router0 id]; addr=[$router0 node-addr]"
puts "________router0 created"
}
set router1 [$ns node 2.0.0]
$ns at 0.05 "$router0 label "router1 2.0.0""
if {$quiet == 0} {
puts "router0: tcl=$router1; id=[$router1 id]; addr=[$router1 node-addr]"
puts "________router1 created"
puts ""
}
# topology Links..."
$ns duplex-link $rnc $router1 622Mbit 0.4ms DropTail 1000 color red
$ns trace-queue $rnc $router1 $f
$ns duplex-link $router1 $router0 100MBit 5ms DropTail 1000
$ns trace-queue $router1 $router0 $f
$ns duplex-link $router0 $host0 100MBit 5ms DropTail 1000
$ns trace-queue $router0 $host0 $f
$rnc add-gateway $router1
# add link WLAN base station to backbone
$ns duplex-link $bstation802_11 $router1 100MBit 15ms DropTail 1000 color blue
$ns trace-queue $router1 $bstation802_11 $f
# add link WIMAX base station to backbone
$ns duplex-link $bstation802_16 $router1 100MBit 15ms DropTail 1000 color green
$ns trace-queue $router1 $bstation802_16 $f
if {$quiet == 0} {
puts "....Connecting successfully"
puts ""
}
#neighbor discovery module
# UMTS (Note: The ND module is on the rnc node NOT in the base station)
set nd_bsUMTS [$rnc install-nd]
$nd_bsUMTS set-router TRUE
$nd_bsUMTS router-lifetime 1800
$nd_bsUMTS enable-broadcast FALSE
$nd_bsUMTS add-ra-target 0.0.2 ; # adding ra-target (Router Advertisement)
# in UMTS there is no notion of broadcast.
# We fake it by sending unicast to a list of nodes
set nd_ue [$iface0 install-nd]
# WLAN
set nd_bs [$bstation802_11 install-nd]
$nd_bs set-router TRUE
$nd_bs router-lifetime 1800
set nd_mn [$iface1 install-nd]
# WIMAX
set nd_bs2 [$bstation802_16 install-nd]
$nd_bs2 set-router TRUE
$nd_bs2 router-lifetime 1800
set nd_mn2 [$iface2 install-nd]
# router1
set nd_router [$router1 install-nd]
$nd_router set-router TRUE
$nd_router router-lifetime 1800
# router0
set nd_router_0 [$router0 install-nd]
$nd_router_0 set-router TRUE
$nd_router_0 router-lifetime 1800
if {$quiet == 0} {
puts "....Configuration successfully"
puts ""
}
#mih module
# install interface manager into the Mobile Node (multi-interface node)
Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1 set case_ 2
set handover [new Agent/MIHUser/IFMNGMT/MIPV6/Handover/Handover1]
$multiFaceNode install-ifmanager $handover
# adding handover module to the UMTS iface0
$nd_ue set-ifmanager $handover
# adding handover module to the WLAN iface1
$nd_mn set-ifmanager $handover
$handover nd_mac $nd_mn [$iface1 set mac_(0)] ;#to know how to send RS messages (Ready to sent)
# adding handover module to the WIMAX iface2
$nd_mn2 set-ifmanager $handover
$handover nd_mac $nd_mn2 [$iface2 set mac_(0)] ;#to know how to send RS messages (Ready to sent)
# install interface manager into the Correspondant Node (host0)
set ifmgmt_cn [$host0 install-default-ifmanager]
# install MIH in multi-interface node
set mih [$multiFaceNode install-mih]
$handover connect-mih $mih ;#create connection between MIH and iface management
# install MIH on AP/BS
set mih_bs [$bstation802_11 install-mih]
set tmp_bs [$bstation802_11 set mac_(0)]
$tmp_bs mih $mih_bs
$mih_bs add-mac $tmp_bs
set mih_bs [$bstation802_16 install-mih]
set tmp_bs [$bstation802_16 set mac_(0)]
$tmp_bs mih $mih_bs
$mih_bs add-mac $tmp_bs
#traffic tcp between cn and multi interface
#Create a UDP agent
set udp_ [new Agent/UDP]
$udp_ set packetSize_ 1500
if {$quiet == 0} {
puts "...UDP on node : $udp_"
}
# Create a CBR traffic source and attach it to udp
set cbr_ [new Application/Traffic/CBR]
$cbr_ set packetSize_ 500
$cbr_ set interval_ 0.2
$cbr_ attach-agent $udp_
if {$quiet == 0} {
puts "...CBR created : $cbr_"
}
# Create the Null agent to sink traffic
set udp_test_sink [new Agent/Null]
$ns attach-agent $iface0 $udp_test_sink
$ns connect $udp_ $udp_test_sink
if {$quiet == 0} {
puts "...TEST_SINK created : $udp_test_sink"
}
#host0 is transmitter
$ns attach-agent $host0 $udp_
if {$quiet == 0} {
puts ""
puts "...Attachement Successfully"
}
#Multiface node is receiver
$multiFaceNode attach-agent $udp_test_sink $iface0 ;#4
$handover add-flow $udp_test_sink $udp_ $iface0 1
if {$quiet == 0} {
puts "...MN added flow"
}
# do registration in UMTS. This will create the MACs in UE and base stations
$ns node-config -llType UMTS/RLC/AM \
-downlinkBW 384kbs \
-uplinkBW 384kbs \
-downlinkTTI 20ms \
-uplinkTTI 20ms \
-hs_downlinkTTI 2ms \
-hs_downlinkBW 384kbs
if {$quiet == 0} {
puts "Configuration UMTS Node..."
}
set dch0 [$ns create-dch $iface0 $udp_test_sink]
$ns attach-dch $iface0 $handover $dch0
$ns attach-dch $iface0 $nd_ue $dch0
if {$quiet == 0} {
puts "...Attachement Successfully"
}
# Now we can register the MIH module with all the MACs
set tmp2 [$iface0 set mac_(2)] ;#in UMTS and using DCH the MAC to use is 2 (0 and 1 are for RACH and FACH)
$tmp2 mih $mih
$mih add-mac $tmp2 ;#inform the MIH about the local MAC
set tmp2 [$iface1 set mac_(0)] ;#in 802.11 one interface is created
$tmp2 mih $mih
$mih add-mac $tmp2 ;#inform the MIH about the local MAC
set tmp2 [$iface2 set mac_(0)] ;#in 802.16 one interface is created
$tmp2 mih $mih
$mih add-mac $tmp2 ;#inform the MIH about the local MAC
if {$quiet == 0} {
puts "....Configuration finished successfully"
puts ""
}
#Start the Application
$ns at 0.1 "$cbr_ start"
$ns at 4.0 "$cbr_ stop"
$ns at 5.0 "finish"
if {$quiet == 0} {
puts " Simulation is running ... please wait ..."
}
$ns run