[ns] 802.11 ad hoc throughput papers

[Peter Staab]

Hello all,

I am working with ns2 to simulate a mobile ad hoc network (802.11 ad hoc mode) 
and I am having trouble with overloaded wireless medium.

Are you aware of papers that deal with data troughput measurements for MANETs 
with different message frequencies and device densities (experimental or 
simulation)?

Sincerely,
Peter
-- 
Pt! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen: 
http://www.gmx.net/de/go/multimessenger01

[ns] what is invalid command PLevels

[Nikheel Kumar]

*hello friends,

here some lines of tcl script to access different wireless scenario:*



set modeDCF;# mode for this test DCF/PCF
set pcf_period0;# CFP period for pcf mode
set pcf_duration0;# CFP duration for pcf mode
set endtime15.0;# duration of the simulation
set title_snenario-test;# default title for the
scenario
set idea_mac0;# default cleverness of mac
;# 0 - normal
;# 1 - persistent slotting
;# 0 - PDCF

set val(chan)Channel/WirelessChannel;# Channel Type
set val(prop)Propagation/TwoRayGround;# radio-propagation model
set val(netif)Phy/WirelessPhy;# network interface type
set val(mac)Mac/802_11;# MAC type
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)50;# max packet in ifq
set val(rp)DSDV;#
set val(x)50
set val(y)50

Phy/WirelessPhy set CPThresh_2000
Phy/WirelessPhy set per_0.0
Mac/802_11 set bandwidth_36Mb
PLevels set max_plevels_8
PLevels set plevels_8
MAC_MIB set RTSThreshold_3000
MAC_MIB set ShortRetryLimit_7
MAC_MIB set LongRetryLimit_4
PHY_MIB set MinimumBandwidth_6Mb
PHY_MIB set SlotTime_0.09
PHY_MIB set SIFS_0.16
.
..
..

*i got following error:-*

$ ns main.tcl
invalid command name PLevels
  while executing
PLevels set max_plevels_  8

*what is this error for
plz help me*

[ns] Exponential traffic

[Φανή]

I am trying to create an exponential traffic where packet_size should be 512, 
rate 250k and poisson packet rate 1 packet/10 sec . I have the following 
declaration for exponential traffic. What changes should I make? I tried to put 
512 in packet size and left everything else the same but I get errors. Is there 
a CC file that I should change too? Please help me I am totally lost!
 
 
proc poissontraffic { src dst interval starttime } {
global ns_ node_
set udp($src) [new Agent/UDP]
eval $ns_ attach-agent \$node_($src) \$udp($src)
set null(0) [new Agent/Null]
eval $ns_ attach-agent \$node_(0) \$null(0)
set expl($src) [new Application/Traffic/Exponential]
eval \$expl($src) set packetSize_ 70
eval \$expl($src) set burst_time_ 0
eval \$expl($src) set idle_time_ [expr $interval*1000.0-70.0*8/250]ms ;# 
idle_time + pkt_tx_time = interval
eval \$expl($src) set rate_ 250k
eval \$expl($src) attach-agent \$udp($src)
eval $ns_ connect \$udp($src) \$null(0)
$ns_ at $starttime $expl($src) start
 
 
 
Thank you,
Fani
Greece


  
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[ns] installing tracegraph in Linux

[qute rose]

Hi!
i need to know that how can i install tracegraph on fedora 8 because its 
instalation requires Matlab libraries which one can install through 
mglinstaller but it's in exe form. So how to install it on fedora?

reply me at your earliest.

With best regards
Qute Rose



  

[ns] Backoff values in a trace file?

[AIG]

Is the backoff value a node chooses recorded in the trace file? If not, is
there any way I could obtain all the backoff values chosen by one (or all)
nodes??

Thanks

[ns] using .cc file to recuperate a node's attribute:please help me

[Nadine Chen]

Hi all,
Do you know please what should I write in cc file in order to recuperate an 
information about a node's attribute:for example my tcl file generates a trace 
file giving me informations about the remaining energy on each node and I want 
that this information will be well known in the .CC file but I don't know how?
Please help me.
Thank you so much for your help.



  

[ns] Fw:how to modify the makefile

[tiger-habit]

 
 
 
 hello everyone:
  one of my file want to include a head file in another floder ,so i need to 
modify the makefile,but when i modify it there are many errors that not 
related，i don't know what's wrong ,i need help ,thank you very much! please 
help me!





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[ns] recvTimer1: Invalid Mac Control Subtype

[Ananta Pandey]

I am simulating on 802.11 and i got this error

MAC_Subtype_Finfo received
recvTimer1:Invalid MAC Control Subtype 4

where subtype 4 is MAC_Subtype_Finfo
it shows that i am able to receive this packet but after i receive i got the
error on recvTimer1.

It would be great if i get explanation in this problem and on recvTimer1.

Thanking in advance,
Ananta