[ns] Help for simulating 802.11a data rates

2012-01-02 Thread Zubiya ..

Hi,
Can anyone help me about simulating data rates of 802.11a with their
respective modulation schemes (BPSK, QPSK, QAM)
There are patches available e.g. 802.11Ext and dei80211mr but the
information about them is not enough.
802.11Ext provides limited coding schemes and it has skipped BPSK3/4,
QPSK3/4, 16QAM3/4.
dei80211mr documentation is not available.

Thanks in advance



-- 
Regards


Re: [ns] Rv: Rv: ns2-28 installation problems

2012-01-02 Thread Kristina.P


Hi,

Can You please send me also the attached files, because currently i am
installing ns 2.28?

Thank You in advance.

Regards,
Ktistina

David Rodenas wrote:
> 
> 
> 
> I saw that the files I attached were not sent well. I attach them in a zip 
> file. 
>  David
> 
> 
> 
> - Mensaje reenviado 
> De: David Rodenas 
> Para: ns-users@ISI.EDU
> Enviado: sáb,22 enero, 2011 10:48
> Asunto: [ns] Rv:  ns2-28 installation problems
> 
> 
> I made a mistake at stpes. I'm sorry! Now they're correct!!
> 
> Hi
> 
> 
> I had a lot of problems with the instalation of ns 2.28 too. You should
> follow 
> the next steps:
> 
> 1) Decompress ns-allinone 2.28
> tar xvzf ns-allinone-2.28.tar.gz
> 
> 2) Patch nam: you need the patch file (I attach it)
> cp nam-1.11.patch ns-allinone-2.28/nam-1.11/
> cd ns-allinone-2.28/nam-1.11/
> patch -p0 < ./nam-1.11.patch
> 
> 3) Patch tk: you need the pacth file (I attach it)
> cp tk-8.4-lastevent.patch ns-allinone-2.28/tk8.4.5/
> cd ns-allinone-2.28/tk8.4.5/patch -p0 < ./tk-8.4-lastevent.patch 
> 
> 4) Modify gt-itm files:
> 4.1) Create the following directories:
> mkdir ns-allinone-2.28/gt-itm/bin
> mkdir ns-allinone-2.28/gt-itm/lib
> 4.2) Copy the libgb.a file (I attach it) into the lib folder
> cp libgb.a ns-allinone-2.28/gt-itm/lib
> 4.3) Copy the eval.c file (I attach it) into the src folder
> cp eval.c ns-allinone-2.28/gt-itm/src
> 
> 5) Install ns
> cd ns-allinone-2.28/
> ./install
>   
> Good luck!!!
> David
> 
> 
> 
> 
> 
> De: Ashwini Patankar 
> Para: ns-users@ISI.EDU
> Enviado: sáb,22 enero, 2011 07:49
> Asunto: Re: [ns] ns2-28 installation problems
> 
> 
>> --
>>
>> Message: 2
>> Date: Fri, 21 Jan 2011 11:33:01 +0100
>> From: hend baklouti 
>> Subject: [ns] ns2-28 installation problems
>> To: ns-users@isi.edu
>> Message-ID:
>>
>>
>>
>>
>> >
>> Content-Type: text/plain;  charset=ISO-8859-1
>>
>> Hi everybody,
>> i have installed ns-2.32 on fedora core 8 but now i have to replace it by
>> ns-2.28 .i have removed ns-2.32 but while installing ns-2.28 i have this
>> kind of msg
>>
>>  When configured, ns found the right version of tclsh in
>> /home/ns-allinone-2.32/bin/tclsh8.4
>> but it doesn't seem to be there anymore, so ns will fall back on running
>> the
>> first tclsh in your path. The wrong version of tclsh may break the test
>> suites. Reconfigure and rebuild ns if this is a problem.
>> ns:
>> [code omitted because of length]
>> : invalid command name " SRMEXT off_srm_ext_"
>>while executing
>> "{ SRMEXT off_srm_ext_}"
>>
>> i'm a beginner and i don't know what to do .
>> Help me please.
>> Hend
>>
>>
>> --
>>
>> Installation of ns2 is a two  step process, in step 1 you install by
>> running
> make etc. and second step is to set the Path. When you installed ns2.32
> you
> definately has set the path variables, and then you removed ns2.32 by
> deleting it, and then you installed ns2.28 but you have not removed the
> path
> variables set during installation of ns2.32 , just remove those variables
> and then try install ns2.28 after rebooting the machine or exporting the
> variables. Else visit this
> http://wirelesscafe.wordpress.com/2008/12/22/how-to-install-ns-2-network-simulator-2/
> 
> 
> 
> thanks and regards,
> Ashwini
> 
> 
> 
> 

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[ns] MCPS_DATA_request overflow

2012-01-02 Thread David Rodenas

Hi all

I have a problem with the MCPS_DATA_request primitive in the IEEE 802.15.4 ns-2 
implementation. I build a new packet and send it peridically using this 
primitive (broadcast transmission). The thing is that this error does not 
always happen because I can send the packet, and it is received successfully by 
the receiver nodes, but at some point, the simulation stops and outputs the 
following message:

[wpan/p802_15_4mac.cc::checkTaskOverflow][504.894498](node 16) task overflow: 
MCPS-DATA.request


I suppose that this is due to two packets (frames) collide at MAC layer, that 
is, these two frames are being managed by the MAC layer at same time, and it 
overflows. If this is the reason, do you know how can I manage and solve it? I 
searched for a solution but I din not find anything. My problem is similar to 
the following recent 
post: http://mailman.isi.edu/pipermail/ns-users/2011-June/070485.html.

I appreciate all the help possible. Thanks in advance.
 
David


[ns] need help regarding Mac/802.11Ext

2012-01-02 Thread Zubiya ..

Hi,
I need guidance for using Mac/802.11Ext.

1) How to set different data rates while using Mac/802.11Ext?

2) What does the following parameter mean?
  * Phy/WirelessPhyExt set noise_floor_ 2.512e-13
;#-96 dBm for 10MHz bandwidth*

does it change with different modulation schemes?

Thanks in advance


-- 
Regards


[ns] does tracegraph analyzer support , handover message ?

2012-01-02 Thread zmezm 14

does tracegraph analyzer support , handover message , in mobile wimax ?
am using ns-2.29 and NIST mobility model
want to get handoff delay time and packet drop