Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah

MIMO-OFDM offers significant high data rates transfer without increasing the bandwidth or transmit power. By adopting diversity coding such as Space Time coding (STC), Space Frequency Coding (SFC), Space Time Frequency Coding (STFC), the major challenge of transmitting information over a long distan...

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Main Author:	Abdullah, Ezmin
Format:	Thesis
Language:	English
Published:	2013
Subjects:	Applications of electric power
Online Access:	https://ir.uitm.edu.my/id/eprint/44399/1/44399.pdf
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spelling	my-uitm-ir.443992021-03-29T13:11:48Z Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah 2013-01 Abdullah, Ezmin Applications of electric power Electric apparatus and materials. Electric circuits. Electric networks MIMO-OFDM offers significant high data rates transfer without increasing the bandwidth or transmit power. By adopting diversity coding such as Space Time coding (STC), Space Frequency Coding (SFC), Space Time Frequency Coding (STFC), the major challenge of transmitting information over a long distances can be improved in terms of reliability and security of the data due to ISI and ICI. Low Density Parity Check which is introduced by Gallager in 1962 has attracted much attention to the needs of efficient and reliable coding theory in digital data communication system. In this paper together with STFC, the simulation of LDPC under 8, 16 and 64 QAM is conducted in 4x4 MIMO-OFDM over Additive White Gaussian Noise (AWGN) and Raleigh fading channel. The propose system is analyzed based on BER with signal to noise ratio (SNR). The simulation using Matlab, shows the BER comparison between AWGN and Rayleigh fading channel, which LDPC works better in Rayleigh fading channel while in digital modulations the system outperforms with 8-QAM . The performance of LDPC between MIMO-OFDM and MISO OFDM is also being compared and it is further prove that MIMO performs betterthanMISO[l]. 2013-01 Thesis https://ir.uitm.edu.my/id/eprint/44399/ https://ir.uitm.edu.my/id/eprint/44399/1/44399.pdf text en public masters Universiti Teknologi MARA Faculty of Electrical Engineering Ibrahim, Muhammad@Yusoff (Ir )
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Ibrahim, Muhammad@Yusoff (Ir )
topic	Applications of electric power Applications of electric power
spellingShingle	Applications of electric power Applications of electric power Abdullah, Ezmin Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah
description	MIMO-OFDM offers significant high data rates transfer without increasing the bandwidth or transmit power. By adopting diversity coding such as Space Time coding (STC), Space Frequency Coding (SFC), Space Time Frequency Coding (STFC), the major challenge of transmitting information over a long distances can be improved in terms of reliability and security of the data due to ISI and ICI. Low Density Parity Check which is introduced by Gallager in 1962 has attracted much attention to the needs of efficient and reliable coding theory in digital data communication system. In this paper together with STFC, the simulation of LDPC under 8, 16 and 64 QAM is conducted in 4x4 MIMO-OFDM over Additive White Gaussian Noise (AWGN) and Raleigh fading channel. The propose system is analyzed based on BER with signal to noise ratio (SNR). The simulation using Matlab, shows the BER comparison between AWGN and Rayleigh fading channel, which LDPC works better in Rayleigh fading channel while in digital modulations the system outperforms with 8-QAM . The performance of LDPC between MIMO-OFDM and MISO OFDM is also being compared and it is further prove that MIMO performs betterthanMISO[l].
format	Thesis
qualification_level	Master's degree
author	Abdullah, Ezmin
author_facet	Abdullah, Ezmin
author_sort	Abdullah, Ezmin
title	Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah
title_short	Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah
title_full	Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah
title_fullStr	Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah
title_full_unstemmed	Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah
title_sort	low density parity check (ldpc) for space time frequency coding in mimo-ofdm / ezmin abdullah
granting_institution	Universiti Teknologi MARA
granting_department	Faculty of Electrical Engineering
publishDate	2013
url	https://ir.uitm.edu.my/id/eprint/44399/1/44399.pdf
_version_	1783734716886679552

Low density parity check (LDPC) for space time frequency coding in MIMO-OFDM / Ezmin Abdullah

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