Technical discussion about Matlab and issues related to Digital Signal Processing.
Search Results for "ofdm"
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edu_forme - Mar 19 2008
hi,
can anybody of you explain to me whats the advantage of MB-OFDM over
OFDM .why cannot we use frequency spectrum that is not composed of
bands .
Regards,
... 
chan...@yahoo.com - Nov 7 2006
http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=6957
hi.. follow this link and download the m-fil... ofdm code is there... r u working in only ... 
hiren_b_parmar - Jul 30 2006
Hello friends,
I am new in this group and i am happy to be a part of the group of
intelligent people. I am doing my MSC in Communication engineering in
U.K. My final project... 
Oluyemi Omomukuyo - Jun 17 2008
Good day everyone. I am currently doing my thesis on OFDM and my
supervisor wants me to simulate continuous-time OFDM (i.e without
using FFT). I've been able to simulate it using... 
dixi...@indiatimes.com - Apr 28 2008
hi all
I have work as a telecommunication engineer. I have been making research and preparing thesis regarding with OFDM and its applications for my work . To understand OFDM ... 
alam...@yahoo.com - Apr 13 2006
Hi, I am new member. Now I am doing my M.Sc. I missed that file wich jeff gives you. Could you send me this file please. It it too much helpful to me. thanks.
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... 
lsw0...@hotmail.com - May 18 2007
Hello everyone.
I'm building a MIMO-OFDM simulator.
Can I have some discussion with anyone interested in this,please?
For example, I'm buildiing a 4-by-4 MIMO-OFDM simulator... 
sundar janaa - Jun 10 2005
Hi all,
I have some problems in simulating the OFDM using
matlab. I will list them one by one.
1). Normailsation of the signal after ifft & fft.
Do we have to multiply b... 
ikis...@yahoo.com - Apr 16 2008
hye there..i need help in doing simple ofdm in simulink. this model i refered from demo hiperlan2. the thing is, i can run the simulation with no errors warning. but in the end, my... 
meito92 - Mar 30 2005
Hello,
I am a french student to engineering and I am in search a matlab code
or codes which are able to simulate GMSK and OFDM (for example matlab
program which... 
Diana Knight - Mar 8 2005
Dear All ;
I have work as a telecommunication engineer. I have been making research and preparing thesis regarding with OFDM and its applications for my wo... 
sundar janaa - Mar 17 2006
Dear all,
If anyone working on Pre-distortion techniques for OFDM or PAPR Reduction Techniques for OFDM ...it is good idea if we get together and discuss the issues and the li... 
Sean Lee - Apr 7 2006
Hello everyone. I recently joined this group.
I'm a PhD student pursuing equalization.
I'm interested in TEQ(shortening filter) and FEQ ( freq domain
equalization). But to me... 
vcteo - Apr 17 2006
Hi, i've forgotten where i read about this but i know for OFDM, if i
want the output of my IFFT to be real, i can only use half of the
subcarriers with the other half the complex... 
jahn...@yahoo.co.in - Dec 22 2006
I am doing a project related to OFDM. My doubt is whether the no of subcarriers and the IFFT size should be equal or not?
... 
vcteo - Nov 22 2005
Hi, i'm doing a project on OFDM and currently i'm just playing around
and exploring with the HiperLan/2 demo that comes together with Simulink.
I noticed at OFDM transmis... 
tjerm2 - Jan 6 2004
Hi.. does anyone have a source code to synchronize the carrier
offset timing for a OFDM signal ?
... 
Oswald Jumira - Apr 18 2008
Has anyone worked with wavelets based OFDm. I would like to know how one
included the idwt and dwt fucntion for an OFDM code.
--
Regards
Oswald Jumira
Communications Resear... 
farrukh59th - Jan 16 2008
Hi everyone, I am doing Masters thesis in multiuser detection in OFDM.
The basic model is y=hx+v . y is the mixture signal recieved by the
rxr, h is the channel matrix, x is th... 
Aminul Alam - Apr 18 2006
Hello, Diana Knight. Hope you read this mail. You are
looking for an OFDM simulation using Matlab. Jeff
Winter had given you a file. I known this by searching
past message in ds... 
ping...@hotmail.com - Jun 12 2005
Can we use directly the FFT and IFFT functions in Matlab for OFDM simulation? I found IFFT(AWGN) will result in strange mean and variance.
... 
vcteo - Nov 14 2005
The statement in the subject is refering to Erich Cosby's tutorial for
OFDM.
I'm simulating OFDM in Simulink with the aim of later converting it
for a DSP.
I use B... 
lsw0...@hotmail.com - Jul 24 2007
How are you everyone.
In OFDM links, do we need frequency-domain equalization(FDE), after FFT block of the receiver?
In books, it seems that FDE is need if we have a TEQ (cha... 
Tam BigBoy - Apr 4 2005
Hi all !!!
I use Convolutional code (decode with Veterbi) for OFDM (BPSK modulation) over Rayleigh fading (having interleaver and not). But it seems not to improve. If you ... 
sundar janaa - May 1 2006
Hi all,
I need a help in ploting the OFDM Spectral shape using matlab, so that I can always visualize the adjacent channel interference. Any idea or matlab codes would be of g... 
l040...@nu.edu.pk - Sep 14 2007
Hi,
i need to know what filters can be used in order to design an OFDM modem? and how can we stimulate them in matlab?
... 
kowsalya premkumar - Aug 27 2007
Hello all,
Does anybody have a coding of Peak to Average Power Ratio reduction of ofdm in matlab.
I would appreciate any feedback....
Thanks.
Kowsi
... 
OFDM [2 Articles]
pinkrose6590 - Aug 22 2006
Hello Friends,
My name is paulami and i am working as a communication engineer in
U.S. Recently I have a project based on OFDM simulation in MATLAB. As
this software is ... 
Sabbir Ahmed - Feb 17 2006
Dear All!!
I have a project going related to PAPR of OFDM
systems.Can
any one help me with codes to calculate PAPR?
Thanks in Advance.
Sabbir
_________________________________... 
sandeep kumar - Jun 8 2005
Hi all
I have basic question regarding OFDM symbol genration.IFFT is taken
to genrate a OFDM symbol.that part is undersood.
My question is that whether that IFFT taken... 
vcteo - Nov 17 2005
Q1:
This is with reference to the white paper by TI entitled, "Power Line
Modem with E-meter Platform", 2004 (i'm sorry i can't find the link to
the article)
At the p... 
pkab...@tech.mak.ac.ug - Feb 18 2006
hi friends
i am doing a project about an Othogonal Frequency Division Multiplexing(OFDM) transmission scheme. any body tell me how i can input alphanumeric text or audio files ... 
fpyzak - Sep 1 2003
Does any one have ofdm receiver matlab code?
I am interested in seeing how the pilot symbols and cyclic prefix are
used to synchronize the receive... 
PAPR [2 Articles]
mohamed hussien - Apr 10 2008
Hi,
I’m trying to calculate the PAPR in OFDM system, but I
don’t know why there is no result? I know there is
something wrong! Can any one help me to get it?
this is my progra... 
rasool_jawad - Feb 23 2006
Hi,
i am trying to simulate an OFDM transmission system in matlab.
AWGN noise can be modelled as a normal distribution using the randn
function.
But can anyone guide me how... 
sundar janaa - Oct 12 2005
Dear all,
I have some problems regarding the simulation of OFDM
Chain to obtain the BER curve...Pls help me ..it is
very urgent. Great helps are appreciated.
1). Noise V... 
disa...@gmail.com - Oct 23 2007
hi all, i'm trying to plot ofdm normalized (dBr) psd after ifft function.
i.e:
carriers=NFFT.*ifft(tx);
%plot normalized PSD
i've tried pwelch(), psd() and their varients ... 
Shabab - Jul 9 2007
I am really glad to be a part of this group and i am sure that there
is some one out there who would help me in this problem of mine.
I need to find ways to plot a curve of BER... 
cool...@hotmail.com - Sep 8 2006
I have a simple question about calculating the PAPR in matlab. I am doing an OFDM simulation where I have say N data points and then I do the IFFT on these N data points with 4 tim... 
vcteo - Nov 8 2005
I am currently doing a simulation of OFDM in Simulink to be later
used in a TI DSP.
There are a few demos in Simulink which involves OFDM which i play
around to famil... 