Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman

In telecommunications, multi antenna communication systems with orthogonal frequency division multiplexing (OFDM) have the potential to play an important role in the design of the next generation broadband wireless communication systems. This paper proposes novel space time frequency block code (STF...

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Main Author:	Abdul Rahman, Suhaila
Format:	Thesis
Language:	English
Published:	2007
Subjects:	Orthogonal frequency division multiplexing Antennas
Online Access:	https://ir.uitm.edu.my/id/eprint/68670/1/68670.pdf
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id	my-uitm-ir.68670
record_format	uketd_dc
spelling	my-uitm-ir.686702023-01-04T07:04:34Z Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman 2007 Abdul Rahman, Suhaila Orthogonal frequency division multiplexing Antennas In telecommunications, multi antenna communication systems with orthogonal frequency division multiplexing (OFDM) have the potential to play an important role in the design of the next generation broadband wireless communication systems. This paper proposes novel space time frequency block code (STFBC) diversity for OFDM transmissions over frequency selective Rayleigh fading channel by using 64 QAM and 256 QAM modulation scheme with insertion Maximum Likelihood Decoding process by using Linear Equalizer. In this research, we will deal with four transmit antennas and three receive antennas. As will be shown, the performance of diversity system depends on the combining scheme in order to choose the highest signal to noise ratio (SNR) and lowest noise by using free selective fading chanel. The design of STFBC is to achieve full spatial diversity against Rayleigh fading channel. A comparison will be made, which OFDM modulation techniques with propose double decode (Cyclic Decoding and Maximum Likelihood Decoding) will give better result in diversity technique and to prove that diversity better than no diversity base on bit error rate (BER). The result shows that 256 QAM Modulation techniques is having better performance compared to 64 QAM Modulation Techniques. This project use MATLAB version R2007a to simulate the performance of STFBC. 2007 Thesis https://ir.uitm.edu.my/id/eprint/68670/ https://ir.uitm.edu.my/id/eprint/68670/1/68670.pdf text en public masters Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Abdul Rahman, Ruhani
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Abdul Rahman, Ruhani
topic	Orthogonal frequency division multiplexing Antennas
spellingShingle	Orthogonal frequency division multiplexing Antennas Abdul Rahman, Suhaila Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman
description	In telecommunications, multi antenna communication systems with orthogonal frequency division multiplexing (OFDM) have the potential to play an important role in the design of the next generation broadband wireless communication systems. This paper proposes novel space time frequency block code (STFBC) diversity for OFDM transmissions over frequency selective Rayleigh fading channel by using 64 QAM and 256 QAM modulation scheme with insertion Maximum Likelihood Decoding process by using Linear Equalizer. In this research, we will deal with four transmit antennas and three receive antennas. As will be shown, the performance of diversity system depends on the combining scheme in order to choose the highest signal to noise ratio (SNR) and lowest noise by using free selective fading chanel. The design of STFBC is to achieve full spatial diversity against Rayleigh fading channel. A comparison will be made, which OFDM modulation techniques with propose double decode (Cyclic Decoding and Maximum Likelihood Decoding) will give better result in diversity technique and to prove that diversity better than no diversity base on bit error rate (BER). The result shows that 256 QAM Modulation techniques is having better performance compared to 64 QAM Modulation Techniques. This project use MATLAB version R2007a to simulate the performance of STFBC.
format	Thesis
qualification_level	Master's degree
author	Abdul Rahman, Suhaila
author_facet	Abdul Rahman, Suhaila
author_sort	Abdul Rahman, Suhaila
title	Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman
title_short	Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman
title_full	Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman
title_fullStr	Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman
title_full_unstemmed	Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman
title_sort	space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / suhaila abdul rahman
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Electrical Engineering
publishDate	2007
url	https://ir.uitm.edu.my/id/eprint/68670/1/68670.pdf
_version_	1783735797333098496

Space time frequency diversity techniques for orthogonal frequency division multiplexing using multiple input multiple output channels / Suhaila Abdul Rahman

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