Hi
I am using the TKN extension for WLAN 802.11e EDCF
But when trying the example included in the package multi_udpflows.tcl
#
# globals and flags
#
set ns [new Simulator]
set AKAROA 0
#
#number of nodes
#
set num_wired_nodes 3
set num_mobile_nodes 4
set num_bs_nodes 1 ;# number of base stations
set num_nodes [expr $num_wired_nodes + $num_mobile_nodes + $num_bs_nodes]
set bs_id $num_wired_nodes
#
# Parameter for wireless nodes
#
set opt(chan) Channel/WirelessChannel ;# channel type
set opt(prop) Propagation/TwoRayGround ;# radio-propagation model
set opt(netif) Phy/WirelessPhy ;# network interface type
set opt(mac) Mac/802_11e ;# MAC type
set opt(ifq) Queue/DTail/PriQ ;# interface queue type
set opt(ifqlen) 50
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) 670 ;# X dimension of the topography
set opt(y) 670 ;# Y dimension of the
topography
#
# set up for hierarchical routing
# (needed for routing over a basestation)
#
$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 $num_wired_nodes [expr $num_mobile_nodes + $num_bs_nodes]
;# number of nodes for each cluster
AddrParams set nodes_num_ $eilastlevel
#
#Open the nam trace file
#
#if {$AKAROA==0 } {
#set nf [open out.nam w]
set nf [open /dev/null w]
$ns namtrace-all-wireless $nf $opt(x) $opt(y)
set ntr [open out.tr w]
$ns trace-all $ntr
#}
set chan [new $opt(chan)]
set topo [new Topography]
$topo load_flatgrid $opt(x) $opt(y)
# Create God
create-god [expr $num_mobile_nodes + $num_bs_nodes]
#
# creating wired nodes
#
for {set i 0} {$i < $num_wired_nodes} {incr i} {
set W($i) [$ns node 0.0.$i]
puts "wired node $i created"
}
#
# creating 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 $chan \
-topoInstance $topo \
-wiredRouting ON \
-agentTrace OFF \
-routerTrace OFF \
-macTrace OFF \
-movementTrace OFF
set BS(0) [$ns node 1.0.0]
$BS(0) random-motion 0
puts "Base-Station node $bs_id created"
#provide some co-ord (fixed) to base station node
$BS(0) set X_ 1.0
$BS(0) set Y_ 2.0
$BS(0) set Z_ 0.0
#
# creating mobile nodes
#
$ns node-config -wiredRouting OFF
for {set i 0} {$i < $num_mobile_nodes} {incr i} {
set wl_node_($i) [$ns node 1.0.[expr $i + 1]]
$wl_node_($i) random-motion 0 ;#
disable random motion
puts "wireless node $i created ..."
$wl_node_($i) base-station [AddrParams addr2id [$BS(0) node-addr]]
$wl_node_($i) set X_ [expr $i * 10]
$wl_node_($i) set Y_ [expr $i * 10]
$wl_node_($i) set Z_ 0.0
}
# linking of root to base-station node
$ns duplex-link $W(0) $BS(0) 10Mb 2ms DropTail
# linking of wired nodes to root node
for {set i 1} {$i < $num_wired_nodes} {incr i} {
$ns duplex-link $W($i) $W(0) 10Mb 2ms DropTail
}
# telling akaroa which macs to observe
set observed_queues 4
lappend observe_list 2
set numconnections [llength $observe_list]
if {$AKAROA == 1} {
set ak [new Akaroa]
$ak AkDeclareParameters [expr $numconnections * $observed_queues]
puts "numparams= $numconnections"
#$ak AkObservation 1 $througput
#$ak AkObservation 2 $througput
#$ak AkObservation 3 $througput
}
#$ns duplex-link $W([expr $num_wired_nodes - 1]) $BS(0) 10Mb 2ms DropTail
set src_udp0 [new Agent/UDP]
$src_udp0 set class_ 0
$src_udp0 set prio_ 0
set dst_udp0 [new Agent/Null]
$ns attach-agent $wl_node_(1) $src_udp0
$ns attach-agent $W(1) $dst_udp0
set app [new Application/Traffic/CBR]
$app attach-agent $src_udp0
$ns connect $src_udp0 $dst_udp0
$ns at 0.0 "$app start"
set src_udp1 [new Agent/UDP]
$src_udp1 set class_ 1
$src_udp1 set prio_ 1
set dst_udp1 [new Agent/Null]
$ns attach-agent $wl_node_(1) $src_udp1
$ns attach-agent $W(1) $dst_udp1
set app1 [new Application/Traffic/CBR]
$app1 attach-agent $src_udp1
$ns connect $src_udp1 $dst_udp1
$ns at 0.0 "$app1 start"
set src_udp2 [new Agent/UDP]
$src_udp2 set class_ 2
$src_udp2 set prio_ 2
set dst_udp2 [new Agent/Null]
$ns attach-agent $wl_node_(1) $src_udp2
$ns attach-agent $W(1) $dst_udp2
set app2 [new Application/Traffic/CBR]
$app2 attach-agent $src_udp2
$ns connect $src_udp2 $dst_udp2
$ns at 0.0 "$app2 start"
set src_udp3 [new Agent/UDP]
$src_udp3 set class_ 3
$src_udp3 set prio_ 3
set dst_udp3 [new Agent/Null]
$ns attach-agent $wl_node_(1) $src_udp3
$ns attach-agent $W(1) $dst_udp3
set app3 [new Application/Traffic/CBR]
$app3 attach-agent $src_udp3
$ns connect $src_udp3 $dst_udp3
$ns at 0.0 "$app3 start"
# Define node initial position in nam
for {set i 0} {$i < $num_mobile_nodes} {incr i} {
$ns initial_node_pos $wl_node_($i) 20
}
#
# Tell nodes when the simulation ends
#
for {set i 0} {$i < $num_mobile_nodes } {incr i} {
$ns at 10.0 "$wl_node_($i) reset";
}
if {$AKAROA == 0} {
$ns at 100.0 "$BS(0) reset";
$ns at 100.0 "$app stop"
$ns at 100.0 "$app1 stop"
$ns at 100.0 "$app2 stop"
$ns at 100.0 "$app3 stop"
#$ns at 10.0 "$ftp1 stop"
#$ns at 10.0 "$ftp2 stop"
$ns at 110.0 "puts \"NS EXITING...\" ; $ns halt"
}
proc stop {} {
global ns ntr nf
close $ntr
close $nf
}
# run the simulation
$ns run
I get the follwing output,
num_nodes is set 5
wired node 3 created
INITIALIZE THE LIST xListHead
Base-Station node 1 created
wireless node 0 created ...
wireless node 1 created ...
wireless node 2 created ...
wireless node 3 created ...
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
warning: Route to base_stn not known: dropping pkt
channel.cc:sendUp - Calc highestAntennaZ_ and distCST_
highestAntennaZ_ = 1.5, distCST_ = 550.0
SORTING LISTS ...DONE!
NS EXITING...
===================================
The problem is that packets are droped?!
Why? And how can I fix it?
Thank you
Asma
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