Re: [ns] How to calculate bandwidth from transmission power?

2006-01-08 Thread Daniel Mahrenholz
layer and set the RXThresh accordingly. Just as an example what you can do with antennas (and an unamplified 802.11b card) lock here: http://www.unwiredadventures.com/unwire/2005/12/defcon_wifi_sho.html They reached more than 125 miles! Daniel. -- +-[Dipl.-Inf. Daniel Mahrenholz / Otto-von

Re: [ns] simulation time in ns-2

2006-01-09 Thread Daniel Mahrenholz
. Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] Pleas help:How to access mobile node data out of the agent

2006-01-09 Thread Daniel Mahrenholz
. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] (yet another) doubt on CSThresh_ and RxThresh_

2006-02-08 Thread Daniel Mahrenholz
into the code and you will find the equation. Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] How to speed up ns-2 simulations

2006-03-01 Thread Daniel Mahrenholz
have to test the different schedulers which one performs best for you. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] How to use Error Models with Wireless channels ?

2006-03-06 Thread Daniel Mahrenholz
ErrorModel] $err unit packet $err set rate_ 0.005 # 0.5% $err ranvar [new RandomVariable/Uniform] $err drop-target [new Agent/Null] return $err } $ns node-config -IncomingErrProc UniformErr Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http

Re: [ns] Shadowing model

2006-03-10 Thread Daniel Mahrenholz
in Stepanov et al. On the Impact of radio Propagation Models on MANET Simulation Results, MWCN 2005. Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] Memory leak in TFRC?!

2006-03-16 Thread Daniel Mahrenholz
?) For memory leaks I recomment to use valgrind - it helped a lot in our projects. And yes - it is possible to valgrind ns-2 although it is not that funny. You will need a lot of memory ... good luck. Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni

Re: [ns] CSThresh_ and RXThresh_

2006-03-20 Thread Daniel Mahrenholz
are developing new WLAN protocols you should at least use the Shadowing propagation model. Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] statement has no effect with CURRENT_TIME

2006-03-21 Thread Daniel Mahrenholz
. CURRENT_TIME is defined as : #define CURRENT_TIME Scheduler::instance().clock(); Remove the ; at the end Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] Integrate program

2006-03-21 Thread Daniel Mahrenholz
to use another simulator, it have to be NS-2! Network emulation will be the right choice for you. If you dont need the actual DNS functionality you should try to implement small traffic generators to mimic a DNS server and client. Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg

Re: [ns] Does ns2 support simultaneous processing ?

2006-04-01 Thread Daniel Mahrenholz
. Daniel. -- Dipl.-Inf. Daniel Mahrenholz, University of Magdeburg, Germany Homepage: http://ivs.cs.uni-magdeburg.de/~mahrenho

Re: [ns] a comparison between the wireless routing protocols

2006-04-03 Thread Daniel Mahrenholz
Hello Alexandra, Alexandra Cioroianu schrieb: Hello ns users! I,m working with ns 2.29 in Mandriva 2006 and i need to make a comparison between the existing wireless routing protocols(DSDV, AODV, DSR...). I thought about creating Xgraph files that would show the traffic, delay,

Re: [ns] compile ns-allinone-2.29.2 error on fedora core 5

2006-04-04 Thread Daniel Mahrenholz
landrew126 schrieb: Hi,everybody I think I must send this letter again,for I didn't post the errormessage to you. The following is the error message I got when complingns-2.29: g++ -c -Wall -DTCP_DELAY_BIND_ALL -DNO_TK -DTCLCL_CLASSINSTVAR-DNDEBUG -DLINUX_TCP_HEADER -DUSE_SHM

Re: [ns] Real time Play with NS-2 emulator

2006-04-11 Thread Daniel Mahrenholz
[EMAIL PROTECTED] schrieb: I am just putting this question out there to see if it is possible to implement. Right now I only have access to one laptop. I am running ns-2.27 with pclinuxos. So far I was able to 'make nse' and did not return any error messages however I still can't run the

Re: [ns] Values to be set in the TCL file to make the transmission range 100m

2006-04-12 Thread Daniel Mahrenholz
Sasan Sahraei schrieb: transmission range defined internally by distCST_ This is only the maximum assumed interference range for a propagation model and will be used to speed up the calculation of packet receivers. the transmission range is suppose to be calculated using the parameted

Re: [ns] Bandwidth of wireless channel

2006-04-12 Thread Daniel Mahrenholz
Vinod schrieb: im working in qos routing in mobile adhoc networks. can anyone tell me why the default value of bandwidth is 0 in link layer of type LL (wireless routing simulation). Does that mean its not used or something else? I can see that the delay value is set to 25us by default.

Re: [ns] Bandwidth of wireless channel

2006-04-13 Thread Daniel Mahrenholz
Vinod schrieb: Actually, my problem involves calculating the effective bandwidth of a wireless node (more specifically in a MANET). I guess the bandwidth_ variable of MAC or Phy layers dont give this value. I am using the default parameters given in the AODV implementation. To put it

Re: [ns] wireless-nodes-finding bandwidth in C++

2006-04-23 Thread Daniel Mahrenholz
Mahesh schrieb: is there anyway to find the bandwidth of a wireless node in the ns-2 (C++ ) DSR code. And is there any way to find the bandwidth of a wireless node in the TCL script. And also i need to know how to find the bandwidth of the neighboring nodes in a wireless network in NS-2

Re: [ns] simulate an access point

2006-04-23 Thread Daniel Mahrenholz
Hi, Hai Nam schrieb: I've installed and used NS-2 to test a protocol in ad hoc network. However, there're also AP (Access Points) in this network to provide connection to exterior. The problem is that I don't know how to simulate an AP. I tried to search on the web and the only example is

Re: [ns] Bug database?

2006-04-23 Thread Daniel Mahrenholz
D. R. Evans schrieb: Simple question, to which I have not been able to find the answer: how do I access the bug database? (Reason being that I filed a bug to report a build failure, but the auto-generated response didn't give me a bug number or provide any mechanism to check on the status

Re: [ns] HELP URGENT

2006-04-25 Thread Daniel Mahrenholz
Hi, anil reddy schrieb: hello, While executing the wireless program below ,we have some config problems, the sent packets and the NAM file are not being displayed , the output is also given below. plz help its urgent Any help will be appreciated .. Wireless emulation is almost

Re: [ns] Installing NS 2.29.2

2006-04-28 Thread Daniel Mahrenholz
Ethan Giordano schrieb: It would be nice if that info got posted to an ns-2 wiki. Does the ns-2 project have an official wiki? It may prove slightly more efficient than the mailing lists if we all used it. Yes, it has - http://nsnam.isi.edu/nsnam/index.php/Main_Page Daniel.

Re: [ns] Wireless transmissions look like they take no time

2006-05-03 Thread Daniel Mahrenholz
Hi Paul, Paul Vincent Craven schrieb: I'm trying a very simple wireless simulation while I'm learning to use ns-2. The output of it seems to show the wireless transmissions happening instantly: s 10.0 _0_ AGT --- 4 cbr 1000 [0 0 0 0] --- [0:0 1:0 32 0] [0] 0 0 r 10.0

Re: [ns] the more realist model taking in consideration the obstacl

2006-05-03 Thread Daniel Mahrenholz
Hi, www triste schrieb: Hello everybody i want to use a realist propagation model,because i think that TwoRayGround usually used in ns2 is not realist because it is not taking in consideration the obstacls,i find in ns titoriel shadowing model is it realist?thanks for informations

Re: [ns] why noone wants to help me? :(

2006-05-03 Thread Daniel Mahrenholz
Hi, [EMAIL PROTECTED] schrieb: I'm sorry that I am writing in such way, but I really need help. I am trying to install ns-2.1b7a because I want to patch gprs wrote by Richa Jain. I tried installing it and I have such error: tclcl-mappings.h: In static member function #8216;static int

Re: [ns] Modifying 802.11 wireless Channel Propagation Delay

2006-05-05 Thread Daniel Mahrenholz
Hi, Bahman Kalantari Sabet schrieb: Does anyone know how I can change the wireless channel propagation delay. I have two mobile nodes, use FTP over TCP, with RTS-CTS mechanism. I want to increase the delay, so that every packet (including the control packets) passing the channel goes

Re: [ns] Building Problem!

2006-05-08 Thread Daniel Mahrenholz
Enzo Memmolo schrieb: hello everybody, when I compile ns2 source code I find the follow error: dsr/dsragent.cc: In member function ‘void DSRAgent::handleFlowForwarding(SRPacket, int)’: dsr/dsragent.cc:828: error: ‘XmitFlowFailureCallback’ was not declared in this scope It is unclear

Re: [ns] Simulating an embedded ad-hoc wireless protocol

2006-05-19 Thread Daniel Mahrenholz
Hi, Jeff Schwentner schrieb: Has anyone simulated a mobile node using only send/receive functions with ns-2? I have an ad-hoc wireless protocol that has been implemented and fielded in an embedded system. I would like to simulate it for performance benchmarking. My problem is that the

Re: [ns] Simulating an embedded ad-hoc wireless protocol

2006-05-28 Thread Daniel Mahrenholz
Hi Jeff, Jeff Schwentner schrieb: So if I understand correctly, I would embed our custom packets in UDP packets. This would include the RTS/CTS/ACK MAC packets in addition to the actual data packets. The MAC layer, as far as ns-2 is concerned, would just be a pass-through (not sending its

Re: [ns] Simulating an embedded ad-hoc wireless protocol

2006-05-29 Thread Daniel Mahrenholz
Jeff, you tried to compile GEA in the wrong order. You have to: 1. install GEA using ./configure make make install in the GEA source directory. 2. compile ns Step 1 will compile and install the native GEA version. This is not required for ns-2 at runtime. But you need the different include

Re: [ns] packet loss rate on ad hoc network

2006-06-19 Thread Daniel Mahrenholz
ns user schrieb: i'm beginner with ns2.29, anr i'm trying to calculate the number of collisions (or packet loss rate) made on a node in an ad hoc network. You need to enable MAC tracing. Then go through the generated trace file and lock for lines where packets are dropped because

Re: [ns] Warning everyone is ignoring (please use -channel)

2006-06-20 Thread Daniel Mahrenholz
Amer Filipovic schrieb: Can anyone tell me how to get rid of that warning at the beginning of the wireless simulations warning: Please use -channel as shown in tcl/ex/wireless-mitf.tcl It is getting on my nerves :P As you can read - modify each test script to use the wireless channel

Re: [ns] Mobile nodes: radius

2006-06-20 Thread Daniel Mahrenholz
Andrea M schrieb: Hello, I found this string in NS Manual, how can I use it? [quote]$mobilenode radius r The radius r denotes the node's range. All mobilenodes that fall within the circle of radius r with the node at its center are considered as neighbours.[/quote] I used it like:

Re: [ns] tuning up wireless phy layer

2006-06-28 Thread Daniel Mahrenholz
Balazs Kovacs schrieb: I am simulating some communication performance with 802.11. My simulations always fail to show the results I expect because the wireless-phy seems to be overloaded. Is there any possibility to tune the throughput? I set datarate and basicrate to 54 mbps but this

Re: [ns] Performing several runs of same simulation

2006-07-10 Thread Daniel Mahrenholz
[EMAIL PROTECTED] schrieb: we try to perform several runs of the same simulation and can't find a hint in the manual how to manage this. Is there a possibility to do it by a for (; numberOfRuns;) or an other tcl-method? Or should we simply write a shell script calling our tcl file several

Re: [ns] TX Range Problem Still not Clear

2006-07-11 Thread Daniel Mahrenholz
Abdulaziz Barnawi schrieb: I have been looking for a solution on how to set a TX range for a Base Station that is different (e.g. much larger) from other nodes in the network. Unfortunately all the solutions I have tried (including ones already posted on the this list) will set the same TX

Re: [ns] how to detemine channel used by 802.11 nodes

2006-08-10 Thread Daniel Mahrenholz
m w schrieb: I was just wondering as to how we can know which channel is 802.11 node is using. Is it possible to find it from somewhere regarding the channel used information. 802.11b uses three channels so which channel a specific node is using, how can we get to know

Re: [ns] Shadowing propagation model problem with NS 2.29

2006-09-27 Thread Daniel Mahrenholz
Víctor González schrieb: Hi, I am simulating an ad-hoc environment under NS 2.29 in a Ubuntu 6.06(Dapper) LTS. In my simulation I am using the shadowing propagation model because thetwoRayGround and the free space are far away from the reality. When I start the simulations I get the

Re: [ns] Multiple source files

2006-10-11 Thread Daniel Mahrenholz
Keita Rose schrieb: I am trying to run a mobile scenario using multiple source files, how do I go about implementing that is NS-2 if it is at all possible. I'm not sure, I got you right. But I did the following in order to simulate different topologies with the same set of applications. I

Re: [ns] Need tunctl command for cygwin

2006-10-19 Thread Daniel Mahrenholz
Emin Gencpinar schrieb: We installed ns-2 emulation (nse) both over Linux and (by cygwin) Windows machines. NSE uses tunctl command for tun / tap interfaces to manage the network. We have successfully installed the tunctl command source code for Linux under sbin directory, but we could not

Re: [ns] How can i measure the bandwidth in use?

2006-10-24 Thread Daniel Mahrenholz
wang laye schrieb: Hi, I am simulating a QoS Routing Protocol,in this protocol,the available bandwidth of node is caculate according: Available Bandwidth=Total Bandwidth - Reseved Bandwidth - Bandwith In Use My question is:In C++, to a mobile node,How can i measure (or caculate)

Re: [ns] Compilation Error ns2.1b8a

2006-11-15 Thread Daniel Mahrenholz
Mohammad Haseeb Zafar schrieb: Hi I got following error while compiling ns2.1b8a. Please help. Haseeb c++ -c -DTCP_DELAY_BIND_ALL -DNO_TK -DNIXVECTOR -DTCLCL_CLASSINSTVAR -DNDEBUG -DUSE_SHM -DHAVE_LIBTCLCL -DHAVE_TCLCL_H -DHAVE_LIBOTCL1_0A7 -DHAVE_OTCL_H -DHAVE_LIBTK8_3 -DHAVE_TK_H

Re: [ns] Simulating channel Hopping in ns2

2006-11-15 Thread Daniel Mahrenholz
Hi, gaurav deshpande schrieb: Hi all, We intend to implement channel hopping using ns2 simulator. Has anyone tried to implement hopping in ns2? Our approach: We found that each channel (class WirelessChannel) keeps a linked list of all nodes listening on that channel. For a

Re: [ns] threads in NS-2

2006-12-08 Thread Daniel Mahrenholz
Savitri P. Pandharikar schrieb: Is it possible to create threads in NS-2,I am using Linux platform for NS-2. In general - yes. But for what purpose? You cannot run the simulation with multiple threads. But you can off-load certain tasks like output compression to separated threads.

Re: [ns] what is the transmission range fo mobile nodes

2007-02-08 Thread Daniel Mahrenholz
you to calculate these parameters. Additionally, you should study some hardware specs to get realistic values. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln rt-solutions.de networks you can trust.

Re: [ns] definition of sending / receiving threshold per mobile node

2007-03-08 Thread Daniel Mahrenholz
. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] MAC/802.11 STA error on ACK

2007-03-30 Thread Daniel Mahrenholz
information: http://forums.wi-fiplanet.com/showthread.php?t=6488 Regards, Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] Doubt........plz help me

2007-03-30 Thread Daniel Mahrenholz
, the simulator calculates the receive power for all nodes attached to the channel. If the signal is strong enough, the node will receive the packet. But if the destination address does not match, it will simply ignore it. Regards, Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH

Re: [ns] how to pass PHY layer information to upper layers?

2007-04-12 Thread Daniel Mahrenholz
information and pass it around. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] how to computer the Transmission range

2007-04-18 Thread Daniel Mahrenholz
in mind - in reality you do not have anything like a discrete transmission range. Instead you have regions with different receive probabilities. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you

Re: [ns] Lucents WaveLAN propagation model

2007-04-18 Thread Daniel Mahrenholz
changes (signal strength degradation, noise, etc.) between the transmitter and the receiver. If you have more specific questions, don't hesitate to ask me. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt

Re: [ns] strange bug in ns2 - halted forever (more details) ?

2007-04-18 Thread Daniel Mahrenholz
an infinite loop of events triggering itself over and over again. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] Lucents WaveLAN propagation model

2007-04-18 Thread Daniel Mahrenholz
research can be found in my thesis at http://diglib.uni-magdeburg.de/Dissertationen/2006/danmahrenholz.htm Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] Ns2 with threads

2007-05-02 Thread Daniel Mahrenholz
Hi, Jose M.Herrera schrieb: A question. Does they know if Ns2 support threads Usually not - but you can get a version that uses threading internally. The question is for what you need threading? Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln

Re: [ns] help required regarding analysis of tracefile

2007-06-01 Thread Daniel Mahrenholz
: packet #610 enqueued on node 2 (now with new destination / next hop 3) Line 9: packet #610 dropped If you receive a packet, the receiver is still the destination. Hope this clearifies you problem., Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln

Re: [ns] How MAC finds out that there is no more traffic?

2007-06-18 Thread Daniel Mahrenholz
handling the voice connection needs to pass this information down to the MAC layer e.g. to (de)allocate ressources on the medium. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] shutting down link or node with wireless topology

2007-06-27 Thread Daniel Mahrenholz
not aware of any such solution currently existing. You could also modify the propagation model to create very specific transmission failures, e.g. drop all packets from a specific node (node failure). Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln

Re: [ns] Shadowing and Rayleigh models

2007-07-18 Thread Daniel Mahrenholz
further questions, don't hesitate to ask me. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] help ! for increase communication rage to 1600 m

2007-08-08 Thread Daniel Mahrenholz
recommend me !!! Regards, Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] advice (relatime protocol implementation on ns-2)

2007-08-10 Thread Daniel Mahrenholz
://ivs.cs.uni-magdeburg.de/EuK/forschung/publikationen/pdf/2005/gea.pdf If you find this approach suitable for your needs, contact me to get the extension. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de

Re: [ns] verying link capacity dynamically

2007-08-14 Thread Daniel Mahrenholz
.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] Changing NS Unit disk model of radio range

2007-08-14 Thread Daniel Mahrenholz
that uses some kind of lookup table to determine the reception of a packet. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] Memory problems

2007-08-14 Thread Daniel Mahrenholz
who had the same problem in the past or someone who knows which is the problem. For any memory problem I suggest to use valgrind (http://valgrind.org). It saved my day several times. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt

Re: [ns] Is there a data rate limitation for ns emulate?

2007-08-15 Thread Daniel Mahrenholz
- if you need tracing, buffer output in memory (ram disk) For high-throughput emulations of wired networks you should consider a different emulator like NIST Net. This should improve your results. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln

Re: [ns] Is there exist any IRC for ns2

2007-08-17 Thread Daniel Mahrenholz
Scottie schrieb: I had do a google search and hardly find any of IRC for ns2. Regards, Scottie 4th hit with Google for irc ns-2 : http://mailman.isi.edu/pipermail/ns-users/2005-November/052772.html Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D

Re: [ns] TCP packet size and Wireless channel delay settings?

2007-08-17 Thread Daniel Mahrenholz
the error rate to cause retransmissions on the MAC layer. Or you could introduce a processing delay in the agent. Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] How can i set transmission difference rage

2007-08-21 Thread Daniel Mahrenholz
. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] why my TCL file cannot run ..?

2007-08-22 Thread Daniel Mahrenholz
- the new model is registered with tcl using the right name Daniel. -- Dr.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] Movement of nodes should be modifiable during runtime of an ns-2 simulation

2007-08-22 Thread Daniel Mahrenholz
.-Ing. Daniel Mahrenholz rt-solutions.de GmbH Oberländer Ufer 190a D-50968 Köln Web: www.rt-solutions.de rt-solutions.de networks you can trust.

Re: [ns] Which is the best Opreating System for NS2.27 emulation

2008-02-04 Thread Daniel Mahrenholz
M Lee schrieb: Hello: I want to know which is the best Opreating System for NS2(2.27--2.32)?especially for emulation. linux Redhat9 ? linux Debian? Free BSD? Thanks! Debian - if you use Debian, you can install the whole emulation extension

Re: [ns] Somthing wrong when I patch NS-2.27 with Emulation Extensions

2008-02-04 Thread Daniel Mahrenholz
Hi, you need to install the kernel headers (or the complete kernel sources) to compile this emulation extension. Daniel. M Lee schrieb: Hello: I have install NS-2.27 on* Linux Redhat9* and patch it with NS-2 Emulation Extensions : *Distributed Clients Emulation Patch against

Re: [ns] About wireless cards specifications simulation

2008-02-22 Thread Daniel Mahrenholz
Hi, Gabrial Monty schrieb: I have to simulate an infrastructured wireless network behavior using different wireless cards specifications. I want to test the network performance using 802.11a cards with high transmit power level (not less than 600 mW). I have choosen the XtremeRange5

Re: [ns] About wireless cards specifications simulation

2008-02-25 Thread Daniel Mahrenholz
is not. It is a result of the combination of transmitter, receiver, environment, and signal encoding. Daniel. Daniel Mahrenholz [EMAIL PROTECTED] wrote: Hi, Gabrial Monty schrieb: I have to simulate an infrastructured wireless network behavior using different wireless cards specifications. I want

Re: [ns] Vectors in NS

2008-03-06 Thread Daniel Mahrenholz
Hi, vector.erase(...) works only on iterators. Look here for more information: http://www.cplusplus.com/reference/stl/vector/erase.html Daniel. SS Mukaka schrieb: Dear All How do you define and manipulate vectors in C++ code. I have written my own protocol but I'm having problems with

Re: [ns] Large ad hoc simulation using FreeSpace propagation model is way too slow

2008-05-17 Thread Daniel Mahrenholz
Hi Ricardo, the obvious answer - the number of events to process is very different. But why? First of all, the different propagation models result in different transmission ranges. And greater transmission range results in a larger number of nodes receiving an event and hence more processing