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Discussion Groups | Matlab DSP

Technical discussion about Matlab and issues related to Digital Signal Processing.

Search Results for "ofdm"

  

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OFDM and MB-OFDM   [2 Articles]

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, ... OFDM and MB-OFDM

Re: ofdm simulation (ifft/fft) & NoiseVar

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 ... Re: ofdm simulation (ifft/fft) & NoiseVar

OFDM simulation

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... OFDM simulation

OFDM simulation (without using FFT)

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... OFDM simulation (without using FFT)

matlab code required for ofdm   [2 Articles]

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 ... matlab code required for ofdm

Re: OFDM simulation

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. > > > ... Re: OFDM simulation

MIMO-OFDM BER verification   [4 Articles]

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... MIMO-OFDM BER verification

ofdm simulation (ifft/fft) & NoiseVar

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... ofdm simulation (ifft/fft) & NoiseVar

simple ofdm simulation by Simulink   [2 Articles]

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... simple ofdm simulation by Simulink

GMSK and OFDM codes in matlab

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... GMSK and OFDM codes in matlab

OFDM simulation   [2 Articles]

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... OFDM simulation

PAPR Reduction or Pre-distortion Techniques for OFDM

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... PAPR Reduction or Pre-distortion Techniques for OFDM

help needed ) TEQ vs. FEQ in OFDM or DMT

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... help needed ) TEQ vs. FEQ in OFDM or DMT

IFFT in OFDM, real output requires conjugate symmetric   [2 Articles]

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... IFFT in OFDM, real output requires conjugate symmetric

no of subcarriers in OFDM   [2 Articles]

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? ... no of subcarriers in OFDM

Pseudo-random sequence and pilots in OFDM   [4 Articles]

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... Pseudo-random sequence and pilots in OFDM

OFDM receiver synchronization

tjerm2 - Jan 6 2004
Hi.. does anyone have a source code to synchronize the carrier offset timing for a OFDM signal ? ... OFDM receiver synchronization

Wavelet based OFDM

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... Wavelet based OFDM

Multi-user detection in OFDM

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... Multi-user detection in OFDM

For OFDM Simulation

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... For OFDM Simulation

FFT and IFFT in OFDM

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. ... FFT and IFFT in OFDM

Complex input to IFFT to generate real value signal

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... Complex input to IFFT to generate real value signal

OFDM and frequency-domain equalization   [3 Articles]

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... OFDM and frequency-domain equalization

Please Help me : Coding & OFDM & Rayleigh fading   [2 Articles]

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 ... Please Help me : Coding & OFDM & Rayleigh fading

plot OFDM spectral shape

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... plot OFDM spectral shape

filters used in ofdm modem

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? ... filters used in ofdm modem

matlab code(ofdm power reduction)

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 ... matlab code(ofdm power reduction)

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 ... OFDM

PAPR calculation for OFDM systems.

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 _________________________________... PAPR calculation for OFDM systems.

OFDM symbol genration - IIFT concept   [4 Articles]

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... OFDM symbol genration - IIFT concept

Repeat data frames in OFDM

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... Repeat data frames in OFDM

inputing text and audio into malab

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 ... inputing text and audio into malab

ofdm synchronization

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... ofdm synchronization

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... PAPR

Modelling of ISI n ICI for OFDM system

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... Modelling of ISI n ICI for OFDM system

OFDM Simulation

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... OFDM Simulation

OFDM PSD   [2 Articles]

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 ... OFDM PSD

BER in a rayleigh faded channed using OFDM

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... BER in a rayleigh faded channed using OFDM

scaling question for PAPR in OFDM

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... scaling question for PAPR in OFDM

Display output in Simulink OFDM demo   [3 Articles]

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... Display output in Simulink OFDM demo
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