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Forward Error Correction Code for MIMO-OFDM System in AWGN and Rayleigh Fading Channel

by R. Krishnamoorthy, N. S. Pradeep
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 69 - Number 3
Year of Publication: 2013
Authors: R. Krishnamoorthy, N. S. Pradeep
10.5120/11820-7505

R. Krishnamoorthy, N. S. Pradeep . Forward Error Correction Code for MIMO-OFDM System in AWGN and Rayleigh Fading Channel. International Journal of Computer Applications. 69, 3 ( May 2013), 8-13. DOI=10.5120/11820-7505

@article{ 10.5120/11820-7505,
author = { R. Krishnamoorthy, N. S. Pradeep },
title = { Forward Error Correction Code for MIMO-OFDM System in AWGN and Rayleigh Fading Channel },
journal = { International Journal of Computer Applications },
issue_date = { May 2013 },
volume = { 69 },
number = { 3 },
month = { May },
year = { 2013 },
issn = { 0975-8887 },
pages = { 8-13 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume69/number3/11820-7505/ },
doi = { 10.5120/11820-7505 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:29:12.905738+05:30
%A R. Krishnamoorthy
%A N. S. Pradeep
%T Forward Error Correction Code for MIMO-OFDM System in AWGN and Rayleigh Fading Channel
%J International Journal of Computer Applications
%@ 0975-8887
%V 69
%N 3
%P 8-13
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Orthogonal Frequency Division Multiplexing (OFDM) is a popular method for high data rate wireless transmission. OFDM may be combined with antenna arrays at the transmitter and receiver to increase the diversity gain and/or to enhance the system capacity on time-variant and frequency-selective channels, resulting in a Multiple-Input Multiple-Output (MIMO) configuration. To investigate the performance of MIMO-OFDM system, its physical layer is simulated using MATLAB and Bit Error Rate (BER) performance is observed. Further performance improvement is achieved using Forward Error Correction (FEC) codes. The goal of this paper is to compare different FEC codes in Additive White Gaussian Noise (AWGN) and Rayleigh fading channel and propose a suitable code for MIMO-OFDM system. Three codes, Reed Solomon-Convolution Code (RS-CC), Convolutional Turbo Code (CTC) and Low Density Parity Check code (LDPC) are considered for this purpose. It is found that CTC gave a coding gain of 0. 2dB and 0. 25dB than its rival LDPC in AWGN and Rayleigh fading channel respectively.

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Index Terms

Computer Science
Information Sciences

Keywords

BER FEC RS-CC CTC LDPC MIMO-OFDM

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