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| #############################################
# Star over 802.15.4 #
# (beacon enabled) #
# Copyright (c) 2003 Samsung/CUNY #
# - - - - - - - - - - - - - - - - - - - - - #
# Prepared by Jianliang Zheng #
# (zheng@ee.ccny.cuny.edu) #
#############################################
# ======================================================================
# Define options
# ======================================================================
set val(chan) Channel/WirelessChannel ;# Channel Type
set val(prop) Propagation/TwoRayGround ;# radio-propagation model
set val(netif) Phy/WirelessPhy/802_15_4
set val(mac) Mac/802_15_4
set val(ifq) Queue/DropTail/PriQueue ;# interface queue type
set val(ll) LL ;# link layer type
set val(ant) Antenna/OmniAntenna ;# antenna model
set val(ifqlen) 150 ;# max packet in ifq
set val(nn) 7 ;# number of mobilenodes
set val(rp) AODV ;# routing protocol
set val(x) 50
set val(y) 50
set val(nam) wpan_demo2.nam
set val(traffic) cbr ;# cbr/poisson/ftp
set BO 3 ;# Non_Simulation time
set SO 3 ;# Non_Simulation time
#read command line arguments
proc getCmdArgu {argc argv} {
global val
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]]
}
}
getCmdArgu $argc $argv
set appTime1 7.0 ;# in seconds
set appTime2 7.1 ;# in seconds
set appTime3 7.2 ;# in seconds
set appTime4 7.3 ;# in seconds
set appTime5 7.4 ;# in seconds
set appTime6 7.5 ;# in seconds
set stopTime 100 ;# in seconds
# Initialize Global Variables
set ns_ [new Simulator]
set tracefd [open ./wpan_demo2.tr w]
$ns_ trace-all $tracefd
if { "$val(nam)" == "wpan_demo2.nam" } {
set namtrace [open ./$val(nam) w]
$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)
}
$ns_ puts-nam-traceall {# nam4wpan #} ;# inform nam that this is a trace file for wpan (special handling needed)
Mac/802_15_4 wpanCmd verbose on
Mac/802_15_4 wpanNam namStatus on ;# default = off (should be turned on before other 'wpanNam' commands can work)
#Mac/802_15_4 wpanNam ColFlashClr gold ;# default = gold
# For model 'TwoRayGround'
set dist(5m) 7.69113e-06
set dist(9m) 2.37381e-06
set dist(10m) 1.92278e-06
set dist(11m) 1.58908e-06
set dist(12m) 1.33527e-06
set dist(13m) 1.13774e-06
set dist(14m) 9.81011e-07
set dist(15m) 8.54570e-07
set dist(16m) 7.51087e-07
set dist(20m) 4.80696e-07
set dist(25m) 3.07645e-07
set dist(30m) 2.13643e-07
set dist(35m) 1.56962e-07
set dist(40m) 1.20174e-07
Phy/WirelessPhy set CSThresh_ $dist(15m)
Phy/WirelessPhy set RXThresh_ $dist(15m)
# set up topography object
set topo [new Topography]
$topo load_flatgrid $val(x) $val(y)
# Create God
set god_ [create-god $val(nn)]
set chan_1_ [new $val(chan)]
# 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) \
-topoInstance $topo \
-agentTrace ON \
-routerTrace ON \
-macTrace ON \
-movementTrace ON \
#-energyModel "EnergyModel" \
#-initialEnergy 1 \
#-rxPower 0.3 \
#-txPower 0.3 \
-channel $chan_1_
for {set i 0} {$i < $val(nn) } {incr i} {
set node_($i) [$ns_ node]
$node_($i) random-motion 0 ;# disable random motion
}
source ./wpan_demo2.scn
$ns_ at 0.0 "$node_(0) NodeLabel PAN Coor"
$ns_ at 0.0 "$node_(0) sscs startPANCoord 1" ;# startPANCoord <txBeacon=1> <BO=3> <SO=3>
# Start node 1 as a wpan device, beacon enabled
$ns_ at 0.5 "$node_(1) sscs startDevice 1 1 1 $BO $SO" ;# startDevice <isFFD=1> <assoPermit=1> <txBeacon=0> <BO=3> <SO=3>
$ns_ at 1.5 "$node_(2) sscs startDevice 1 0"
$ns_ at 2.5 "$node_(3) sscs startDevice 1 0"
$ns_ at 3.5 "$node_(4) sscs startDevice 1 0"
$ns_ at 4.5 "$node_(5) sscs startDevice 1 0"
$ns_ at 5.5 "$node_(6) sscs startDevice 1 0"
Mac/802_15_4 wpanNam PlaybackRate 3ms
$ns_ at $appTime1 "puts \"\nTransmitting data ...\n\""
# Setup traffic flow between nodes
proc cbrtraffic { src dst interval starttime } {
global ns_ node_
set udp_($src) [new Agent/UDP]
eval $ns_ attach-agent \$node_($src) \$udp_($src)
set null_($dst) [new Agent/Null]
eval $ns_ attach-agent \$node_($dst) \$null_($dst)
set cbr_($src) [new Application/Traffic/CBR]
eval \$cbr_($src) set packetSize_ 70
eval \$cbr_($src) set interval_ $interval
eval \$cbr_($src) set random_ 0
#eval \$cbr_($src) set maxpkts_ 10000
eval \$cbr_($src) attach-agent \$udp_($src)
eval $ns_ connect \$udp_($src) \$null_($dst)
$ns_ at $starttime "$cbr_($src) start"
}
if { ("$val(traffic)" == "cbr") } {
puts "\nTraffic: $val(traffic)"
#Mac/802_15_4 wpanCmd ack4data on
puts [format "Acknowledgement for data: %s" [Mac/802_15_4 wpanCmd ack4data]]
$ns_ at $appTime1 "Mac/802_15_4 wpanNam PlaybackRate 0.5ms"
$ns_ at [expr $appTime1 + 0.5] "Mac/802_15_4 wpanNam PlaybackRate 1.5ms"
$val(traffic)traffic 1 0 0.6 $appTime1
$val(traffic)traffic 3 0 0.6 $appTime3
$val(traffic)traffic 5 0 0.6 $appTime5
$ns_ at $appTime1 "$ns_ trace-annotate \"(at $appTime1) $val(traffic) traffic from node 1 to node 0\""
$ns_ at $appTime3 "$ns_ trace-annotate \"(at $appTime3) $val(traffic) traffic from node 3 to node 0\""
$ns_ at $appTime5 "$ns_ trace-annotate \"(at $appTime5) $val(traffic) traffic from node 5 to node 0\""
Mac/802_15_4 wpanNam FlowClr -p AODV -c tomato
Mac/802_15_4 wpanNam FlowClr -p ARP -c green
Mac/802_15_4 wpanNam FlowClr -p MAC -s 0 -d -1 -c navy
if { "$val(traffic)" == "cbr" } {
set pktType cbr
} else {
set pktType exp
}
Mac/802_15_4 wpanNam FlowClr -p $pktType -s 1 -d 0 -c blue
Mac/802_15_4 wpanNam FlowClr -p $pktType -s 3 -d 0 -c green4
Mac/802_15_4 wpanNam FlowClr -p $pktType -s 5 -d 0 -c cyan4
}
# defines the node size in nam
for {set i 0} {$i < $val(nn)} {incr i} {
$ns_ initial_node_pos $node_($i) 2
}
# Tell nodes when the simulation ends
for {set i 0} {$i < $val(nn) } {incr i} {
$ns_ at $stopTime "$node_($i) reset";
}
$ns_ at $stopTime "stop"
$ns_ at $stopTime "puts \"NS EXITING...\n\""
$ns_ at $stopTime "$ns_ halt"
proc stop {} {
global ns_ tracefd appTime1 val env
$ns_ flush-trace
close $tracefd
set hasDISPLAY 0
foreach index [array names env] {
#puts "$index: $env($index)"
if { ("$index" == "DISPLAY") && ("$env($index)" != "") } {
set hasDISPLAY 1
}
}
if { ("$val(nam)" == "wpan_demo2.nam") && ("$hasDISPLAY" == "1") } {
exec nam wpan_demo2.nam &
}
}
puts "\nStarting Simulation..."
$ns_ run |
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