Ns2programs

Carrier sense# ======================================================================# Define options# ======================================================================set val(chan) Channel/WirelessChannel ;# channel typeset val(prop) Propagation/TwoRayGround ;# radio-propagation modelset val(netif) Phy/WirelessPhy ;# network interface typeset val(mac) Mac/802_11 ;# MAC typeset val(ifq) Queue/DropTail/PriQueue ;# interface queue typeset val(ll) LL ;# link layer typeset val(ant) Antenna/OmniAntenna ;# antenna modelset val(ifqlen) 50 ;# max packet in ifqset val(nn) 4 ;# number of mobilenodesset val(rp) DSDV ;# routing protocolset val(x) 1000.0 ;set val(y) 1000.0 ;set val(simtime) 10.0 ; #sim timeset val(drate) 2.0e6 ; #default datarateset val(dist) 100.0 ;# ======================================================================# Main Program# ======================================================================

if { $argc != 6} { puts "Wrong no. of cmdline args." puts "Usage: ns csense.tcl -RTSthresh <RTS_Threshold> -CSthresh <carrier-sense threshold> -dist <x>" exit 0}

proc getopt {argc argv} { global val lappend optlist RTSthresh CSthresh dist for {set i 0} {$i < $argc} {incr i} { set arg [lindex $argv $i] if {[string range $arg 0 0] != "-"} continue set name [string range $arg 1 end] set val($name) [lindex $argv [expr $i+1]] }

}

getopt $argc $argv

#

# Initialize Global Variables#set ns_ [new Simulator]set tracefd [open csense.tr w]$ns_ trace-all $tracefd

#set namtrace [open single-hop.nam w] ;# for nam tracing#$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)$ns_ use-newtrace

# set up topography objectset topo [new Topography]

$topo load_flatgrid $val(x) $val(y)

## Create God#

set god_ [ create-god $val(nn) ]

$val(mac) set dataRate_ $val(drate)if { $val(RTSthresh) >= 0 } { $val(mac) set RTSThreshold_ $val(RTSthresh) }if { $val(CSthresh) >= 0 } { $val(netif) set CSThresh_ $val(CSthresh) }puts "Setting RTS_Threshold to $val(RTSthresh)"puts "Setting CS_Threshold to $val(CSthresh)"

## Create the specified number of mobilenodes [$val(nn)] and "attach" them# to the channel.

# configure node

$ns_ node-config -adhocRouting $val(rp) \ -llType $val(ll) \ -macType $val(mac) \ -ifqType $val(ifq) \ -ifqLen $val(ifqlen) \ -antType $val(ant) \ -propType $val(prop) \ -phyType $val(netif) \ -channelType $val(chan) \ -topoInstance $topo \ -agentTrace ON \ -routerTrace ON \ -macTrace ON \ -movementTrace OFF

for {set i 0} {$i < $val(nn) } {incr i} {set node_($i) [$ns_ node]$node_($i) random-motion 0 ;# disable random motion

}

## Provide initial (X,Y, Z=0) co-ordinates for mobilenodes#

#Conversation 1: Node 0 is the source, Node 1 is the dst

$node_(0) set X_ 50.0$node_(0) set Y_ 0.0$node_(0) set Z_ 0.0


#Conversation 2: Node 2 is the source, Node 3 is the dst

$node_(2) set X_ 450.0$node_(2) set Y_ $val(dist) $node_(2) set Z_ 0.0

$node_(3) set X_ 250.0$node_(3) set Y_ $val(dist)$node_(3) set Z_ 0.0

# Define node initial position in nam

for {set i 0} {$i < $val(nn)} {incr i} {

# 20 defines the node size in nam, must adjust it according to your scenario # The function must be called after mobility model is defined $ns_ initial_node_pos $node_($i) 20}

#Attach a data-sink to destination

set null_(0) [new Agent/Null]$ns_ attach-agent $node_(1) $null_(0)


#traffic...make src talk to dstset udp_(0) [new Agent/UDP]$ns_ attach-agent $node_(0) $udp_(0)

set cbr_(0) [new Application/Traffic/CBR]$cbr_(0) set packetSize_ 1024 $udp_(0) set packetSize_ 1024 $cbr_(0) set interval_ 0.001 $cbr_(0) set random_ 0.18372 $cbr_(0) set maxpkts_ 1000000$cbr_(0) attach-agent $udp_(0)$ns_ connect $udp_(0) $null_(0)$ns_ at 0.0 "$cbr_(0) start"

set udp_(1) [new Agent/UDP]$ns_ attach-agent $node_(2) $udp_(1)


## Tell nodes when the simulation ends#for {set i 0} {$i < $val(nn) } {incr i} { $ns_ at $val(simtime) "$node_($i) reset";}$ns_ at $val(simtime) "stop"$ns_ at $val(simtime).01 "puts \"NS EXITING...\" ; $ns_ halt"proc stop {} { global ns_ tracefd $ns_ flush-trace close $tracefd}

puts "Starting Simulation..."$ns_ run

Fairsim:# ======================================================================# Define options# ======================================================================set val(chan) Channel/WirelessChannel ;# channel type

set val(prop) Propagation/TwoRayGround ;# radio-propagation modelset val(netif) Phy/WirelessPhy ;# network interface typeset val(mac) Mac/802_11 ;# MAC typeset val(ifq) Queue/DropTail/PriQueue ;# interface queue typeset val(ll) LL ;# link layer typeset val(ant) Antenna/OmniAntenna ;# antenna modelset val(ifqlen) 50 ;# max packet in ifqset val(nn) 4 ;# number of mobilenodesset val(rp) AODV ;# routing protocolset val(sc) "./scenario" ;# scenario fileset val(x) 3000.0 ;set val(y) 400.0 ;set val(simtime) 10.0 ; #sim timeset val(drate) 2.0e6 ; #default datarateset val(dist) 150.0 ; #default datarate# ======================================================================

if { $argc < 2} { puts "Wrong no. of cmdline args." puts "Usage: ns sim.tcl -dist <dist>" exit 0}

proc getopt {argc argv} { global val lappend optlist dist

for {set i 0} {$i < $argc} {incr i} { set arg [lindex $argv $i] if {[string range $arg 0 0] != "-"} continue

set name [string range $arg 1 end] set val($name) [lindex $argv [expr $i+1]] }

}# Main Program# ======================================================================

getopt $argc $argv

## Initialize Global Variables#set ns_ [new Simulator]set tracefd [open fairsim.tr w]$ns_ trace-all $tracefd

set namtrace [open fairsim.nam w] ;# for nam tracing$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)$ns_ use-newtrace



## Create God#


$val(mac) set bandwidth_ 22.0e6 #$val(prop) set pathlossExp_ 3.0


# configure node



}


#Node 0 is the source, Node 1 is the dst



set x [expr 250.0 + $val(dist)]$node_(3) set X_ $x$node_(3) set Y_ 200.0$node_(3) set Z_ 0.0

$node_(2) set X_ [expr $x + 100.0]$node_(2) set Y_ 200.0$node_(2) set Z_ 0.0







#traffic...make sources talk to dstset udp_(0) [new Agent/UDP]$ns_ attach-agent $node_(0) $udp_(0)

set cbr_(0) [new Application/Traffic/CBR]$cbr_(0) set packetSize_ 512 $cbr_(0) set interval_ 0.0008 $cbr_(0) set random_ 0.96749 $cbr_(0) set maxpkts_ 1000000$cbr_(0) attach-agent $udp_(0)

set udp_(2) [new Agent/UDP]$ns_ attach-agent $node_(2) $udp_(2)

set cbr_(2) [new Application/Traffic/CBR]$cbr_(2) set packetSize_ 512

$cbr_(2) set interval_ 0.0008 $cbr_(2) set random_ 0.96749 $cbr_(2) set maxpkts_ 1000000$cbr_(2) attach-agent $udp_(2)

$ns_ connect $udp_(0) $null_(1)$ns_ connect $udp_(2) $null_(3)$ns_ at 0.0 "$cbr_(0) start"$ns_ at 0.0 "$cbr_(2) start"



Aodv:set val(chan) Channel/WirelessChannel ;set val(prop) Propagation/TwoRayGround ;set val(netif) Phy/WirelessPhy ;set val(mac) Mac/802_11 ;set val(ifq) Queue/DropTail/PriQueue ;set val(ll) LL ;set val(ant) Antenna/OmniAntenna ;set val(ifqlen) 50 ;set val(nn) 3 ;set val(rp) AODV ;set val(x) 500 ;set val(y) 400 ;set val(stop) 150 ;

set ns [new Simulator]set tracefd [open simple.tr w]set windowVsTime2 [open win.tr w]set namtrace [open simwrls.nam w]

$ns trace-all $tracefd$ns namtrace-all-wireless $namtrace $val(x) $val(y)

set topo [new Topography]


create-god $val(nn)

$ns node-config -adhocRouting $val(rp)\ -llType $val(ll)\ -macType $val(mac)\ -ifqType $val(ifq)\ -ifqLen $val(ifqlen)\ -antType $val(ant)\ -propType $val(prop)\ -phyType $val(netif)\ -channelType $val(chan)\ -topoInstance $topo\ -agentTrace ON\ -routerTrace ON\ -macTrace OFF\ -movementTrace ON

for {set i 0} {$i <$val(nn) } {incr i} { set node_($i) [$ns node]}




$ns at 10.0 "$node_(0) setdest 250.0 250.0 3.0"$ns at 15.0 "$node_(1) setdest 45.0 285.0 5.0"$ns at 110.0 "$node_(0) setdest 480.0 300.0 5.0"

set tcp [new Agent/TCP/Newreno]$tcp set class_ 2set sink [new Agent/TCPSink]$ns attach-agent $node_(0) $tcp$ns attach-agent $node_(1) $sink$ns connect $tcp $sinkset ftp [new Application/FTP]$ftp attach-agent $tcp$ns at 10.0 "$ftp start"

proc plotWindow {tcpSource file} {global nsset time 0.01set now [$ns now]set cwnd [$tcpSource set cwnd_]puts $file "$now $cwnd"$ns at [expr $now+$time] "plotWindow $tcpSource $file" }$ns at 10.1 "plotWindow $tcp $windowVsTime2"

for {set i 0} {$i<$val(nn) } {incr i} {$ns initial_node_pos $node_($i) 30}

for {set i 0} {$i<$val(nn) } {incr i} { $ns at $val(stop) "$node_($i) reset";}

$ns at $val(stop) "$ns nam-end-wireless $val(stop)"$ns at $val(stop) "stop"$ns at 150.01 "puts\"end simulation\";$ns halt"proc stop { } { global ns tracefd namtrace $ns flush-trace close $tracefd close $namtrace}$ns run

Sim:# ======================================================================# Define options# ======================================================================set val(chan) Channel/WirelessChannel ;# channel typeset val(prop) Propagation/Shadowing ;# radio-propagation modelset val(netif) Phy/WirelessPhy ;# network interface typeset val(mac) Mac/802_11 ;# MAC typeset val(ifq) Queue/DropTail/PriQueue ;# interface queue typeset val(ll) LL ;# link layer typeset val(ant) Antenna/OmniAntenna ;# antenna modelset val(ifqlen) 50 ;# max packet in ifqset val(nn) 2 ;# number of mobilenodesset val(rp) AODV ;# routing protocolset val(sc) "./scenario" ;# scenario fileset val(x) 3000.0 ;set val(y) 400.0 ;set val(simtime) 10.0 ; #sim timeset val(drate) 2.0e6 ; #default datarateset val(dist) 100 ;

# ======================================================================# Main Program# ======================================================================

if { $argc != 2} { puts "Wrong no. of cmdline args." puts "Usage: ns sim.tcl -dist <x>" exit 0}

proc getopt {argc argv} { global val lappend optlist dist for {set i 0} {$i < $argc} {incr i} { set arg [lindex $argv $i] if {[string range $arg 0 0] != "-"} continue set name [string range $arg 1 end] set val($name) [lindex $argv [expr $i+1]] }

}

getopt $argc $argv

## Initialize Global Variables#set ns_ [new Simulator]set tracefd [open sim.tr w]$ns_ trace-all $tracefd

$ns_ use-newtrace



## Create God#


$val(netif) set Pt_ 0.100$val(netif) set RXThresh_ 7.94328e-13$val(netif) set CSThresh_ 6.30957e-14

$val(mac) set dataRate_ $val(drate)

#Shadowing Model Parameters$val(prop) set std_db_ 4.0$val(prop) set pathlossExp_ 3.5


# configure node



}




$node_(1) set X_ [expr 100.0 + $val(dist)]

$node_(1) set Y_ 200.0$node_(1) set Z_ 0.0






#traffic...make src talk to dstset udp_(0) [new Agent/UDP]$ns_ attach-agent $node_(0) $udp_(0)


## Tell nodes when the simulation ends#for {set i 0} {$i < $val(nn) } {incr i} { $ns_ at $val(simtime) "$node_($i) reset";}$ns_ at $val(simtime) "stop"$ns_ at $val(simtime).01 "puts \"NS EXITING...\" ; $ns_ halt"proc stop {} { global ns_ tracefd

$ns_ flush-trace close $tracefd}


Rcs_sim:# ======================================================================# Define options# ======================================================================set val(chan) Channel/WirelessChannel ;# channel typeset val(prop) Propagation/TwoRayGround ;# radio-propagation modelset val(netif) Phy/WirelessPhy ;# network interface typeset val(mac) Mac/802_11 ;# MAC typeset val(ifq) Queue/DropTail/PriQueue ;# interface queue typeset val(ll) LL ;# link layer typeset val(ant) Antenna/OmniAntenna ;# antenna modelset val(ifqlen) 50 ;# max packet in ifqset val(nn) 100 ;# default number of mobilenodesset val(rp) AODV ;# routing protocolset val(x) 1500.0 ;set val(y) 1500.0 ;set val(simtime) 10.0 ; #sim timeset val(rlen) 10 ;# ======================================================================# Main Program# ======================================================================

if { $argc != 8 } { puts "Wrong no. of cmdline args."

puts "Usage: ns multi-hop.tcl -rate <rate (Mbps)> -rxthresh <rcv_threshold> -cpthresh <capture-threshold> -csthresh <carrier-sense threshold (W)>" exit 0}

proc getopt {argc argv} { global val lappend optlist rate rxthresh cpthresh csthresh for {set i 0} {$i < $argc} {incr i} { set arg [lindex $argv $i] if {[string range $arg 0 0] != "-"} continue set name [string range $arg 1 end]

set val($name) [lindex $argv [expr $i+1]] }

}

getopt $argc $argv## Initialize Global Variables#set ns_ [new Simulator]set tracefd [open rcssim.tr w]$ns_ trace-all $tracefd

set namtrace [open rcssim.nam w] ;# for nam tracing$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)$ns_ use-newtrace



## Create God#


#set Propagation parameters$val(prop) set pathlossExp_ 2.5 $val(prop) set std_db_ 2.0

#set PHY parameters

#2.4 GHz frequency$val(netif) set freq_ 2.4e+09

#100 mW from Cisco 350$val(netif) set Pt_ 0.100 $val(netif) set RXThresh_ $val(rxthresh)$val(netif) set CPThresh_ $val(cpthresh)$val(netif) set CSThresh_ $val(csthresh)#$val(netif) set bandwidth_ $val(rate)

#set MAC parameters#$val(mac) set bandwidth_ $val(rate)$val(mac) set basicRate_ $val(rate)$val(mac) set dataRate_ $val(rate)

#set RTSThreshold to some v. large value...effectively shutting down RTS/CTS$val(mac) set RTSThreshold_ 10192


# configure node



}


set gridspace [expr $val(x) / $val(rlen)]

for {set i 0} {$i < $val(rlen) } {incr i} {for {set j 0} {$j < $val(rlen) } {incr j} {

set a [expr $j + [expr $i * $val(rlen)]]$node_($a) set X_ [expr 0.0 + [ expr $i * $gridspace]]$node_($a) set Y_ [expr 0.0 + [ expr $j * $gridspace]]$node_($a) set Z_ 0.0

}}



# 20 defines the node size in nam, must adjust it according to your scenario # The function must be called after mobility model is defined $ns_ initial_node_pos $node_($i) 20

set udp_($i) [new Agent/UDP]$udp_($i) set packetSize_ 1024$ns_ attach-agent $node_($i) $udp_($i)

set cbr_($i) [new Application/Traffic/CBR]$cbr_($i) set packetSize_ 1024 $cbr_($i) set interval_ 0.001 $cbr_($i) set random_ 0.1346 $cbr_($i) set maxpkts_ 1000000$cbr_($i) attach-agent $udp_($i)

set null_($i) [new Agent/Null]$ns_ attach-agent $node_($i) $null_($i)

}

## Tell nodes when the simulation ends#

expr srand(19987)

for {set i 0} {$i < 25 } {incr i} { set tmp [expr [expr rand()] * $val(nn)] set src [expr int($tmp)] set tmp [expr [expr rand()] * $val(nn)] set dst [expr int($tmp)] puts "$src to $dst\n" $ns_ connect $udp_($src) $null_($dst) $ns_ at [expr 0.1 * $i] "$cbr_($src) start" #$ns_ at [expr 0.01 * $i] "puts \" cbr_($i) start\" "}

for {set i 0} {$i < $val(nn)} {incr i} { $ns_ at $val(simtime) "$node_($i) reset";}

$ns_ at $val(simtime) "stop"$ns_ at $val(simtime).01 "puts \"NS EXITING...\" ; $ns_ halt"

proc stop {} { global ns_ tracefd $ns_ flush-trace close $tracefd}puts "Starting Simulation..."$ns_ run

Single hop:# ======================================================================# Define options# ======================================================================set val(chan) Channel/WirelessChannel ;# channel typeset val(prop) Propagation/TwoRayGround ;# radio-propagation modelset val(netif) Phy/WirelessPhy ;# network interface typeset val(mac) Mac/802_11 ;# MAC typeset val(ifq) Queue/DropTail/PriQueue ;# interface queue typeset val(ll) LL ;# link layer typeset val(ant) Antenna/OmniAntenna ;# antenna modelset val(ifqlen) 50 ;# max packet in ifqset val(nn) 2 ;# number of mobilenodesset val(rp) AODV ;# routing protocolset val(sc) "./scenario" ;# scenario fileset val(x) 3000.0 ;set val(y) 400.0 ;set val(simtime) 10.0 ; #sim timeset val(drate) 2.0e6 ; #default datarate# ======================================================================# Main Program# ======================================================================

if { $argc != 2} { puts "Wrong no. of cmdline args." puts "Usage: ns single-hop.tcl -drate <dataRate>" exit 0}

proc getopt {argc argv} { global val lappend optlist drate for {set i 0} {$i < $argc} {incr i} { set arg [lindex $argv $i] if {[string range $arg 0 0] != "-"} continue set name [string range $arg 1 end] set val($name) [lindex $argv [expr $i+1]] }

}

getopt $argc $argv

## Initialize Global Variables#set ns_ [new Simulator]set tracefd [open single-hop.tr w]$ns_ trace-all $tracefd

#set namtrace [open single-hop.nam w] ;# for nam tracing#$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)$ns_ use-newtrace



## Create God#


$val(mac) set dataRate_ $val(drate)$val(mac) set bandwidth_ 22.0e6 $val(prop) set pathlossExp_ 4.0


# configure node

$ns_ node-config -adhocRouting $val(rp) \ -llType $val(ll) \ -macType $val(mac) \ -ifqType $val(ifq) \ -ifqLen $val(ifqlen) \ -antType $val(ant) \ -propType $val(prop) \ -phyType $val(netif) \ -channelType $val(chan) \ -topoInstance $topo \ -agentTrace ON \ -routerTrace ON \

-macTrace ON \ -movementTrace OFF


}










#traffic...make src talk to dstset udp_(0) [new Agent/UDP]

$ns_ attach-agent $node_(0) $udp_(0)




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Ns2programs