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Simulation Study and Analysis of OFDM

Published on None 2011 by Rajanna K M, Mahesan. K.V, Sunanda. C
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International Symposium on Devices MEMS, Intelligent Systems & Communication
Foundation of Computer Science USA
ISDMISC - Number 3
None 2011
Authors: Rajanna K M, Mahesan. K.V, Sunanda. C
5ef07a0c-1773-4ab6-8dcb-a0e69642dfc9

Rajanna K M, Mahesan. K.V, Sunanda. C . Simulation Study and Analysis of OFDM. International Symposium on Devices MEMS, Intelligent Systems & Communication. ISDMISC, 3 (None 2011), 5-10.

@article{
author = { Rajanna K M, Mahesan. K.V, Sunanda. C },
title = { Simulation Study and Analysis of OFDM },
journal = { International Symposium on Devices MEMS, Intelligent Systems & Communication },
issue_date = { None 2011 },
volume = { ISDMISC },
number = { 3 },
month = { None },
year = { 2011 },
issn = 0975-8887,
pages = { 5-10 },
numpages = 6,
url = { /proceedings/isdmisc/number3/3454-isdm047/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Symposium on Devices MEMS, Intelligent Systems & Communication
%A Rajanna K M
%A Mahesan. K.V
%A Sunanda. C
%T Simulation Study and Analysis of OFDM
%J International Symposium on Devices MEMS, Intelligent Systems & Communication
%@ 0975-8887
%V ISDMISC
%N 3
%P 5-10
%D 2011
%I International Journal of Computer Applications
Abstract

In this paper, we describe the Orthogonal frequency division multiplexing (OFDM) is an established technique for wireless communication applications. Typical constraints faced during OFDM transmission are: a large peak-to-mean envelope power ratio, which can result in significant distortion when transmitted through a nonlinear device, such as a transmitter power amplifier. We study the effects of clipping and filtering on the performance of OFDM, including the power spectral density, BER, through intensive MATLAB simulation. We have indigenously simulated the effect of multipath fading to ensure that all specifications of OFDM transmission are taken care of. To simulate the modulation of the sub-carriers, we have chosen DQPSK. The way OFDM handles ISI has also been encompassed.

References
  1. Xiaodong Li; Cimini, L.J., Jr, “Effects of clipping and filtering on the performance of OFDM”, Vehicular Technology Conference, IEEE 47th, 4-7 May 1997.
  2. Rhee, W.; Cioffi, J.M.; STAR Lab., Stanford Univ., CA, “Increase in capacity of multiuser OFDM system using dynamic subchannel allocation”, IEEE 51st Vehicular Technology Conference Proceedings, 2000- Spring Tokyo.
  3. F Jian Li; Guoqing Liu; Giannakis, G.B.; Dept. of Electr. & Comput. Eng., Florida Univ., Gainesville, FL, “Carrier frequency offset estimation for OFDM-based WLANs”, Signal Processing Letters, IEEE, March 2001: Issue 3.
  4. Bingham, John A. C. “Multicarrier Modulation for Data Transmission: An Idea Whose Time Has Come.” IEEE Communications Magazine (May, 1990).
  5. Bahai, Ahmad R. S., and Burton R. Saltzberg. “Multi-Carrier DigitalComunications: Theory and Applications of OFDM”. New York: KluwerAcademic/Plenum Publishers, 1999.
  6. Rinne,J, Renfors,M.;Telecommun. Lab., Tampere Univ. of Technol, “The behavior of orthogonal frequency division multiplexing signals in an amplitude limiting channel,”IEEE International Conference on “Serving Humanity through Communications” 1-5 May 1994, pg: 381-385 vol1.
  7. Armstrong, J.; Dept. of Electron. Eng., La Trobe Univ., Bundoora, Vic., Australia, “Peak-to-average power reduction for OFDM by repeated clipping and frequency domain filtering”,IEEE Electronics Letters, Vol 38, Issue 5.
Index Terms

Computer Science
Information Sciences

Keywords

OFDM BER