[ns] R: 802.11 a/b/g status

Hi Stephen, the current ns-2 implementation of 802.11 can be considered representative of all b/g/a versions of the protocol. As a matter of fact, only the MAC sub- layer is considered in ns-2. PHY support is scarce in ns-2, and the different b/g/a versions are usually simulated by changing cha

[ns] R: How to plot jitter, throughput and end to end delay of a eurane simulation

Hi Diego, you may have a look at trace2stats, at http://www.reti. polito.it/fiore bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 13-ott-2006 10.41 PM >A: <[EMAIL PROTECTED] wmc.nl> >Cc: >Ogg: [ns] How to plot jitter, throughput and end to end delay of a eurane simula

[ns] R: RSSI measurement

Loreno, in common/packet-stamp.h you can find the PacketStamp structure, which is included in any ns packet. It stores information on the transmitted and received power. You can access this information with, for example, p->txInfo_.RxPr, which returns the received power of packet p. Note tha

[ns] R: Re: R: RSSI measurement

nodes. Regards, Marco >Messaggio originale >Da: [EMAIL PROTECTED] com >Data: 18-ott-2006 7.58 PM >A: "Marco Fiore"<[EMAIL PROTECTED]> >Cc: >Ogg: Re: R: [ns] RSSI measurement > >Hi Marco, very thanks to your reply! > >I will take a look at the

[ns] R: Plotting throughput end-to-end delay and jitter

Diego, have a look at trace2stats at http://www.reti.polito.it/fiore. bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 3-nov-2006 12.22 AM >A: >Ogg: [ns] Plotting throughput end-to-end delay and jitter > > >Hi, > >Has anynone a tcl code (or another language) to plot

[ns] R: TCP fixed data transfer

Andrea, if you want to transmit 1 Mbps every 10 mins, simply use a recursive function like: proc sendData {} { global ns_ puts "time : [$ns_ now]" $ns at [$ns_ now] "$ftp send 1e6" $ns_ at [expr [$ns_ now] + 600.0] "sendData" } $ns_ at 600.0 "sendData" which

[ns] R: how to calculate end to end delay in wireless scenario

Hi, have a look at trace2stats, at http://www.reti.polito.it/fiore bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 15-nov-2006 10.38 AM >A: "ns users" >Ogg: [ns] how to calculate end to end delay in wireless scenario > > > > hi all, > > can any one tell me, how to calc

[ns] R: wimax and Wifi TxPower default value

Ramzi, you can use the Tcl command Phy/WirelessPhy set Pt_ Look in tcl/lib/ns-default.tcl for default value and other wireless phy parameters. bye, Marco >Messaggio originale >Da: ramzi. [EMAIL PROTECTED] >Data: 22-nov-2006 4.06 PM >A: >Ogg: [ns] wimax and Wifi TxPower default va

[ns] R: Phy/WirelessPhy set Pt_ ?

Hi, "Array" should be "array"... bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 26-nov-2006 5.42 PM >A: >Ogg: [ns] Phy/WirelessPhy set Pt_ ? > > >I am attemped to use the code line [[lindex [$node_ (0) Array get >netif_] 1] set Pt_ 0,5] and you giving the error ?i

[ns] R: installazione ns 2.29.3 su Cygwin

Elena, if I understood your problem, you cannot run ns from any location of your file system. If that's right, check that the ns executable, or a link to it is present in any of the folders listed in your PATH. To visualize the list of folders in the PATH, type 'echo $PATH'. If you need fur

[ns] R: send off packet on different link

Luca, the routing of multiple flows generated by the same source node is determined by: 1. destination node of flow 2. routing algorithm employed In your case, if the two flows are directed to two different nodes, they will probably choose different (not necessarily disjoint) routes. If the

[ns] R: Rate adaptation in ns-2

Hi, if you refer to rate-based congestion control, the first result by searching Google is: "Source code for RAP in ns2" http://netweb.usc. edu/reza/RAP/NewRAP/ If you refer to rate adaptation at MAC layer in wireless networks, by looking at the ns mailing list archives, a patch is available

[ns] R: disable RTS/CTS mode

Dear ? it's difficult to tell without any information, you should at least post your tcl script and a portion of the tracefile showing RTS/CTS... bye, Marco >Messaggio originale >Da: ns2. [EMAIL PROTECTED] >Data: 14-dic-2006 10.40 AM >A: >Ogg: [ns] disable RTS/CTS mode > > >dear NS

[ns] R: obstacle mobility model

Ibrahim, have a look at: Amit Jardosh, Elizabeth M. Belding-Royer, Kevin C. Almeroth, and Subhash Suri. "Towards Realistic Mobility Models for Mobile Ad hoc Networks." In the Proceedings of MOBICOM, San Diego, CA, September 2003. bye, Marco >Messaggio originale >Da: [EMAIL PROTEC

[ns] R: SINR and NS-2 802.11 simulations

Hi, ns-2 physical layer modeling is notoriously weak. A patch solving some of the issues you mentioned is avaialble at http://www.reti.polito. it/fiore bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] cmu.edu >Data: 8-mar-2007 3.21 AM >A: >Ogg: [ns] SINR and NS-2 802.11 simu

[ns] R: Re: Awk script for Jitter in NS2

For the question on the jitter, you can find the formulae in the read. me. There's no "right" formula, I used to employ the first, which is defined in RTP's RFC. I added the other three upon request of other users, who usually employed them for jitter calculation. Regards, Marco >Messag

Re: [ns] Question about wireless testing ?

The output is correct. It's just some control messages ns-2 gives at the beginning and end of simulation. If you see "NS EXITING..." everything went fine and you can find the results in your tracefile :) bye, Marco >Original Message >From: [EMAIL PROTECTED] >Date: Mar 17, 2007 5:31 P

[ns] R: help about dataRate_ in Wlan needed!

Hi, I can tell you that once I tried and could send data at 1Gbps over wireless (just as a test) and the transmission rate was set accordingly. Notice that by changing that you only affect the transmission time, but still have all the overhead and contention due to 802.11. bye, Marco >--

[ns] R: problem in delay and throughput script

Ibrahim, download the latest version from http://reti.polito.it/fiore and follow the read.me for instructions on how to run the scripts. bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] com >Data: 22-mar-2007 10.19 AM >A: >Ogg: [ns] problem in delay and throughput script > >

[ns] R: analyse trace files

Hi Stephan, have a look at tracegraph or trace2stats. bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 6-apr- 2007 7.37 AM >A: >Ogg: [ns] analyse trace files > > >Hello again! >Think my last Mail was lost :-( >I'm using ns-2.29 and do some wireless simulations. >Now i'

[ns] R: why RTP header in UDP's sendmsg() ?

Hi Timo, my guess is that those infos can be useful for statistics collection. Is the RTP header considered in the UDP header size? If not, it is an "invisible" header, put there just for informational purposes and not affecting the simulation outcome. bye, Marco > Messaggio originale

[ns] R: how can I graphically show ad hoc mobile nodes using nam?

Ciao, other than nam, you can try with Huginn: http://www.informatik. uni-mannheim.de/pi4.data/content/projects/huginn/ or iNSpect: http: //toilers.mines.edu/Public/NsInspect bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 6-apr-2007 7.12 PM >A: "ns- users" >Ogg: [ns]

[ns] R: analyse trace file- packet delay

Hi, you can use Perl/awk to parse the tracefile, or have a look at tracegraph or trace2stats (google for them). Also, you find a ton of mails on the topic in the mailing list archives... bye, Marco > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 6-apr-2007 6.18 PM >A: >Ogg: [

[ns] R: Help in simulating Bianchi's results

Hi Riz, >1. I am not sure about how to generate a scenario where all the >nodes are contending as in my case of 10 nodes only 0 2 4 6 8 are >contending and the other 1 3 5 7 9 are the sink or them so how can I >come with a scenario where all nodes are coteding as in Bianchi's paper attach

[ns] R: Simulation with real payload

Anand, there's a traffictrace agent somewhere in the ns distribution. Look for traffictrace.cc/h in the source tree to get the actual Tcl class name. Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 12-apr-2007 3.54 AM >A: <[EMAIL PROTECTED]> >Ogg: [ns] Simulation with real

[ns] R: Scheduler error in 802.11

Bahman, ususally the "Event UID not valid!" error means that an event in the event list has a time that is lower than the current time, or that the handler (the timer in your case) was deleted before the event was extracted from the list. So I suggest you to look for strange behaviors of you

[ns] R: Re: About random mobility of wireless nodes

Hi, it happened to me to use nam to visualize nodes movement, and I had no problems in doing that. These are the settings I used: set file (nam) [open "out.nam" w] $ns_ namtrace-all $file(nam) $ns_ namtrace-all- wireless $file(nam) $opt(x) $opt(y) $ns_ nam-end-wireless $opt(stop) Hope it help

[ns] R: R: Re: About random mobility of wireless nodes

et- 2007 8.53 AM >A: "ns-users" >Cc: "Marco Fiore" <[EMAIL PROTECTED]> >Ogg: [ns] R: Re: About random mobility of wireless nodes > >Hi, > > This method works and it is fine, however in my case when I set the random mobility to 1 for the wireless

[ns] R: Re: "Ask Google" is not a polished answer, isn't it?

Dear Sidney and Hagen, actually there's a way to include "real" application-level data in an ns-2 packet. The manual has one section on this: http://www.isi.edu/nsnam/ns/doc/node516.html Basically, it's all about defining an Application Data Unit (ADU) containing all the desired data, to be a

[ns] R: throughput of 802.11b

You might find the following link interesting: http://www.ece.rice. edu/~jpr/ns/docs/ns-802_11b.html bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 11-mag-2008 10.46 AM >A: >Ogg: [ns] throughput of 802.11b > > >Hi all, >I have tried to run 802.11b in ns2, and I

[ns] Loading a large movement trace file

ow what to do to avoid that. Does anyone have any idea about how to get rid of such a problem, or any experience with similar issues? Thanks, Marco Fiore

[ns] R: Delay anomaly

Teena, please provide more details when posting to the mailing list. Information about the topology and traffic sources are needed in order to help you. Regards, Marco Fiore Messaggio originale Da: [EMAIL PROTECTED] Data: 5-gen-2006 6.48 AM A: Ogg: [ns] Delay anomaly Hello all

[ns] R: TCP for wirelessTcp for

chers, but which are not standard and probably not implemented in ns-2. - use an error free channel, which is not realistic, but makes TCP works a lot better. Regards, Marco Fiore Messaggio originale Da: [EMAIL PROTECTED] Data: 15-gen-2006 3.48 PM A: Ogg: [ns] Tcp fo

[ns] R: 802.11 simulating

The number of transmissions is not sufficient to determine the cause of such a high number of collisions. Several other parameters are necessary: simulation time, transmission range of nodes, use of RTS/CTS, 802.11 CWND min and max sizes, etc. Regards, Marco Fiore Messaggio originale

Re: [ns] 802.11g - doubt in ns-2.29

Tamara, what do you mean by "did not work"? Did you get error messages, or unexpected results? Regards, Marco Fiore Original Message From: [EMAIL PROTECTED] Date: Jan 23, 2006 2:36 AM To: Subj: [ns] 802.11g - doubt in ns-2.29 Hi all! * I'm doing a kind of pro

[ns] R: Re: 802.11g - doubt in ns-2.29

Tamara, it seems strange to me that changing only datarate and 802.11 parameters can cause the simulation to stop. Does your code works with standard 802.11 configuration? Did you change anything else? Regards, Marco Fiore Messaggio originale Da: [EMAIL PROTECTED] Data: 23-gen-2006

[ns] R: lower RTS/CTS saturation throughput

Michael, it may be that increasing the data rate to 5,5 or 11 Mbps the number of collisions is reduced a lot. As a consequence, the RTS/CTS mechanism only introduces overhead. This depend on the offered load (i. e. how much traffic is present) in the network. Regards, Marco Fiore

[ns] R: HELP - I am stuck on MAC queue length

et_; 2. access 'target_' downtarget_ attribute. I am not sure you can do this directly, since 'downtarget_' is probably a protected mamber. Thus, you should code an accessor function (if not present) or define the aodv class as a friend of the 'target_' c

[ns] R: Re: R: lower RTS/CTS saturation throughput

behave identically, having FTP/TCP or CBR/UDP saturating traffic should not change things much. Of course, things could change in presence of high channel error rates, which are known to lead to TCP low performance. Regards, Marco Fiore Messaggio originale Da: [EMAIL PROTECTED] Data

[ns] R: help with trace file

Sita, have a look to the ns-manual, and you'll find all infos on tracefiles format. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 3-feb-2006 4.45 AM >A: "ns list" >Ogg: [ns] help with trace file > > >Hello, >I am

[ns] R: Can we get rid of TCP in wireless?

in your simulation you do not need reliability at transport layer: in that case it is sufficient to use the UDP protocol... you can do that simply changing the level 4 protocol from TCP to UDP... Regards, Marco Fiore

[ns] R: MAC protocol

CWmax, and you can override them in your tcl script using the same commands. Regards, Marco Fiore

[ns] R: IP_BROADCAST problem

Dan, which command did you use to send the message to the IP layer? An through which transport level protocol? Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 6-feb-2006 7.27 PM >A: >Ogg: [ns] IP_BROADCAST problem > > >Hello, > >I am

[ns] R: large-scale p2p simulation

I really doubt that *any* existing network simulator could be a good one if you need to simulate millions nodes... that's why analytical approaches to the p2p evaluation problem are so popular. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 9-

[ns] R: User data over UDP

Application Data Units (ADUs) containing real data can be used in ns-2. You can look for the "AppData" class structure and functioning in the ns-maunal (see chapter 37 'eb cache as an application' for an example). Regards, Marco Fiore >Messaggio originale >Da

[ns] R: in 802.11, ShortRetryLimit_ and LongRetryLimit_ "0" is same effect on simulation result as "1"?

ength greater than dot11RTSThreshold fails for that MSDU or MMPDU. This long retry count and the STA long retry count shall be reset when a MAC frame of length greater than dot11RTSThreshold succeeds for that MSDU or MMPDU." Regards, Marco Fiore >Messaggio originale >Da:

[ns] R: propagation model

Comments are inline. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 3-mar-2006 2.52 AM >A: >Ogg: [ns] propagation model > > >All, > >Is it possible to support multiple propagation model? as far as I know, no. > is this

[ns] R: "Check_pktCTRL: Invalid MAC Control subtype".

That error message is generated by 802.11. See mac/mac-802_11.cc for details. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 4-mar-2006 6.23 AM >A: >Ogg: [ns] "Check_pktCTRL: Invalid MAC Control subtype". > > >Hi, >

[ns] R: Help: Setdest Command

Norlida, try "./configure" instead of "configure" and after configure&make, check that a binary (executable) file "setdest" is created in the folder. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 13-mar-2006 7.0

[ns] R: regarding promiscuous mode

Krithiga, answers are inline. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 12-mar-2006 1.24 PM >A: , <[EMAIL PROTECTED]>, >Ogg: [ns] regarding promiscuous mode > > >hi all, > i am doing proj in mobile adh

[ns] R: sending packets from objects within agent

Elise, you could have a look at the website: http://masimum.dif.um. es/?Documents where Francisco Ros and other researchers present their work on implementing a new routing protocol for ad-hoc networks. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Dat

Re: [ns] Trace file

particular lines. Many references/tutorials/examples of both languages are available on the web. Regards, Marco Fiore > Original Message >From: [EMAIL PROTECTED] >Date: Mar 31, 2006 12:52 PM >To: "ns-users" >Subj: [ns] Trace file > > >Hi all, >Is there a

[ns] R: why setdest so slow?

is to patch the scheduler with the following code: http: //netlab.caltech.edu/~weixl/technical/ns2patch/ns2patch.htm Hope this helps, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] com >Data: 1-apr-2006 7.39 PM >A: >Ogg: [ns] why setdest so slow? > > &

[ns] R: looking for"hcf" implementation

, before mailing to the list (the above links are the first results of a Google query...) Regards, Marco Fiore > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 1-apr- 2006 3.31 PM >A: >Ogg: [ns] looking for" hcf" implementation > > >Hello

[ns] DataRate in Header

Hi everyone, does anybody know if and where the DataRate at which packets are transmitted on a wireless channel is recorded in some header? Thanks, Marco Fiore

[ns] R: make: *** No rule to make target `tcl/lib/noah.tcl', needed by `gen/ns_tcl.cc'. Stop.

Qasim, the error messages you get informs you that the file tcl/lib/noah.tcl could not be find. Check that the path is correct and the file exists. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 4-apr-2006 3.27 PM >A: <[EMAIL PROTECTED] EDU&g

[ns] R: Re: Set address to ns node

queue - do not remember the way, but there is one). However, in my opinion, this would definitely be unfeasible in a real network, making simulation somehow useless... Regards, Marco Fiore > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 12-apr-2006 11.10 AM >A: >Og

[ns] R: how to install random-waypoint model in ns-2.27

stribution (in indep-utils/cmu-scen-gen). Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 14-apr-2006 12.54 AM >A: >Ogg: [ns] how to install random-waypoint model in ns-2.27 > > >Hello everybody > I want to installing random-waypoin

[ns] R: which trace format is more accurate?

e two versions of you awk script, and then you'll get the same results. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 15-apr-2006 8.06 AM >A: >Ogg: [ns] which trace format is more accurate? > > >Hi All, > >I am generating both tr

[ns] R: Re: R: which trace format is more accurate?

Sasan, I see your point. How much do differ results you got in the two cases? By exact same simulation you mean that you simply changed the trace format and nothing else (included the machine you working on)? Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED]

[ns] R: help regarding trace file

Please have a look to ns manual, ns mailing list history and relative FAQ before posting to the mailing list itself! This is the third or fourth mail about trace file format this month! Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 19- apr-2006 9

[ns] R: Re: R: which trace format is more accurate?

Sasan, don't have a clue on that. I fear the only way is to analyze the trace files by hand to spot the differences. Maybe printing the sending times (using an awk script) can speed up the process. Let us know if you can solve the problem. Regards, Marco Fiore > Messaggio o

[ns] R: help regarding for awk file

For simple topologies/statistics, you may give a look at trace2stats: http://www.reti.polito.it/fiore Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 26-apr-2006 1.25 PM >A: "ns_users_request"<[EMAIL PROTECTED]>, "ns_users&q

[ns] R: Which ad hoc routing protocol is used in 802.11?

. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 26-apr-2006 12.46 PM >A: "NS USERS" >Ogg: [ns] Which ad hoc routing protocol is used in 802.11? > > >Hi All, > Which ad hoc routing protocol is used in 802.11? I can'

[ns] R: Adhoc Rounting Overhead

for that). Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 25-apr-2006 6.33 PM >A: "ns_users" >Ogg: [ns] Adhoc Rounting Overhead > > >Hello NS users, > >I am working on some Adhoc simulations for my graduation project, and

[ns] R: codes of mobility models in adhoc.

Look for projects such as IMPORTANT, BonnMotion, CanuMobiSim. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] com >Data: 25-apr-2006 12.23 PM >A: >Ogg: [ns] codes of mobility models in adhoc. > > >hi every body >im interested in a pr

[ns] R: Modifying 802.11 wireless Channel Propagation Delay

Look for the define line commanding the propagation delay of the wireless channel in mac/mac-802_11.h. Regards, Marco Fiore > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 5-mag-2006 9.49 AM >A: >Ogg: [ns] Modifying 802.11 wireless Channel Propagation Delay >

[ns] R: calculate >> jitter,delay,throughput !!

You can try with tracegraph (http://www.tracegraph.com) or, for simple statistics, with trace2stats (http://www.reti.polito.it/fiore). Regards, Marco Fiore >Messaggio originale >Da: m. [EMAIL PROTECTED] >Data: 17-mag-2006 12.45 AM >A: >Ogg: [ns] calculate >> ji

[ns] R: Underwater acoustic channel model?

Christian, ns-2 does not support any of the models/protocols you mentioned. I think you will have to code and add to the simulator them if you want to use them within ns. Regards, Marco Fiore > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 19-mag- 2006 4.09 PM >A

[ns] R: WLAN and SCTP?

Hi, unfortunately, ns-2 SCTP implementation does not currently support wireless links. Regards, Marco Fiore >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 22-mag-2006 3.09 AM >A: >Ogg: [ns] WLAN and SCTP? > > >Hi, > >I am a posgraduate in B

[ns] R: About the multihome in SCTP!

links support as well. Regards, Marco Fiore > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 7-giu-2006 11.07 AM >A: >Ogg: [ns] About the multihome in SCTP! > > >Hi, > >I want to know how to configure a SCTP node in NS2.29,the type of address is >hierac

[ns] R: two equal UDP CBR flows in droptail queue get different bandwidths?

Eduardo, it could be a synchronization issue. Try to avoid synchronization between flows by setting the random flag of the cbr flows to true: "$cbr_name set random_ 1". Regards, Marco Fiore > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 7-giu-2006 3.00 PM

[ns] R: Re: R: two equal UDP CBR flows in droptail queue get different bandwidths?

*exact* time. Regards, Marco Fiore > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 8-giu-2006 5.09 AM >A: "Marco Fiore"<[EMAIL PROTECTED]> >Ogg: Re: R: [ns] two equal UDP CBR flows in droptail queue get different bandwidths? > >That does this f

[ns] R: Autorate in 802.11G

>However this modification is not working, I see that everytime > the dataRate is at 54Mbps, including if I comment >every line that define the dataRate, including the lines > > tcl.evalf("Mac/802_11 set dataRate_"); >if (strcmp(tcl.result(), "0") != 0) > bind_bw("dataRate_"

[ns] R: Turn Nodes on/off

Hi, assuming that "violación de segmento" translates into "segment fault", this error is very often caused by a NULL pointer. I.e. look into your code for pointers, and check that you never fall in the case p->something, where p is NULL. regards, Marco Fiore &g

[ns] R: Movements in wireless scenario

Andrea, god is only used for statistical purposes. If you are interested in generating nodes movement simply use the 'setdest' command, ignoring god. E.g. $ns_ at 10.0 "$node_(0) setdest X Y S" where X,Y are the coords of destination and S is the speed (in m/s). bye, Marco >Messaggio o

[ns] Verbose simulation errors

Hi, some days ago (probably after a recompile, but I am not sure about that), my installation of ns-2 became 'mute' in presence of errors. That is, previously it exited saying 'Segmentation fault', or printing something like (just an example!): --

[ns] R: RTSThreshold in Simulations

Alicia, RTS/CTS is used when frame size is greater than the RTS threshold. So you should act on the RTS threshold value to set RTS/CTS on or off. Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 3-lug-2006 1.31 PM >A: >Ogg: [ns] RTSThreshold in Simulations > > >Hello guys: >

[ns] ns-2 wireless update patch avaialble

AARF algorithm was designed by the Planete research group at INRIA. Full references and installation instructions can be found in the included read.me file. An example Tcl script to test the patch is provided. The patch is available for download at http://www. reti.polito.it/fiore Regards, Marco Fiore

[ns] R: Ending the simulation after a transfer is finished

Prateek, setting the finish time to a high value should not cause any harm, nor should it make you wait more. Since ns-2 is an event-driven simulator, once no event is scheduled the time shall move directly to the 'end of simulation' event, in no (user) time. I don't know if other better sol

[ns] R: Re: R: Ending the simulation after a transfer is finished

Prateek, unfortunately, I think you are right... Marco > Messaggio originale >Da: [EMAIL PROTECTED] >Data: 4-lug- 2006 1.27 PM >A: >Cc: "Marco Fiore"<[EMAIL PROTECTED] it> >Ogg: Re: R: [ns] Ending the simulation after a transfer is finished > >

[ns] R: 802.11 dynamic bit rate change

Guillermo, ns-2 does not offer native support for such phenomenon. You can have a look at the patch at www.reti.polito.it/fiore which adds realistic propagation and ARF support. Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 11-lug-2006 11.50 AM >A: "Ns Users" >Ogg: [ns]

[ns] R: Calculating Mean end-to-end delay.

Nicholas, I think the right way would be: mean = [mean * (total_pkts- 1) + curr_pkt_delay] / total_pkts where total_pkts represents the number of packets received, including the current one (i.e., that determining the curr_pkt_delay contribution). Regards, Marco > Messaggio originale--

[ns] R: how to implement DCF in NS2

Hi, if you mean 802.11 DCF, it is already implemented. See the ns manual. bye, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 22-lug-2006 5.40 PM >A: >Ogg: [ns] how to implement DCF in NS2 > > >Hi > I want to implement DCF in NS2, can anybody help me in this regard. >

[ns] R: How to generate ocean node movement for wireless scenarios

Hi, look for references to the 'setdest' command, which allows you to define nodes movements during simulation. Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 30-ago-2006 7.02 PM >A: >Ogg: [ns] How to generate ocean node movement for wireless scenarios > > >Hi all, >

[ns] R: Re: Measuring physical data rate for wireless medium

Hi, you could have a look at the wireless patch at http://www.reti. polito.it/fiore regards, Marco >Messaggio originale >Da: [EMAIL PROTECTED] >Data: 14-set-2006 8.22 PM >A: "Piyush Agrawal"<[EMAIL PROTECTED]> >Cc: >Ogg: Re: [ns] Measuring physical data rate for wireless medium > >